/* ============================================================
   SIMULADOR IAQ - HOJA DE ESTILOS PRINCIPAL

   Organización:
   1.  Variables de diseño
   2.  Reset y base
   3.  Pantallas (contenedores)
   4.  Tipografía global
   5.  Header y navegación
   6.  Toggle Modo Docente
   7.  Dashboard
   8.  Intro del simulador
   9.  Pantalla de simulación
   10. Reporte
   11. Anatomía
   12. Historial
   13. Estados vacíos
   14. Sistema de iconos SVG
   15. Sistema unificado de botones
   16. Formularios base
   17. Sistema de clases
   18. Modal de importar (clases y simuladores)
   19. Editor enriquecido
   20. Modal de imagen
   21. Sistema de simuladores personalizados
   22. Editor de pasos del simulador (S2)
   23. Vista previa del simulador (S4)
   24. Publicación y simuladores publicados (S5)
   25. Animaciones compartidas
   26. Detalles globales
   27. Responsive general
   28. Soporte táctil (Fase 1 — NUEVO)
   ============================================================ */


/* ============================================================
   1. VARIABLES DE DISEÑO
   ============================================================ */

:root {
    --color-primario: #00d4ff;
    --color-primario-oscuro: #0090b8;
    --color-exito: #00c864;
    --color-exito-claro: #00ff88;
    --color-peligro: #e94560;
    --color-peligro-oscuro: #a02a42;
    --color-advertencia: #ffcc00;
    --color-docente: #7a3fff;
    --color-docente-claro: #b088ff;

    --color-texto: #eaeaea;
    --color-texto-suave: #c5d3e8;
    --color-texto-tenue: #7a9cc6;
    --color-texto-medio: #a8bcd4;

    --color-fondo-panel: #16213e;
    --color-fondo-card: #0f1f3a;
    --color-fondo-oscuro: #0a0e1a;
    --color-fondo-medio: #1a1a2e;

    --radio-sm: 8px;
    --radio-md: 10px;
    --radio-lg: 14px;
    --radio-xl: 16px;

    --transicion-rapida: 0.18s ease;
    --transicion-normal: 0.25s ease;
    --transicion-lenta: 0.4s ease;
}


/* ============================================================
   2. RESET Y BASE
   ============================================================ */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: #2a3a54 rgba(10, 30, 60, 0.4);
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    color: var(--color-texto);
    min-height: 100vh;
    background:
        radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(0, 100, 150, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 100, 150, 0.12) 0%, transparent 50%),
        linear-gradient(180deg, #0a0e1a 0%, #1a1a2e 50%, #0a0e1a 100%);
    background-attachment: fixed;
}

::selection {
    background: rgba(0, 212, 255, 0.35);
    color: #ffffff;
}


/* ============================================================
   3. PANTALLAS (contenedores principales)
   ============================================================ */

.pantalla {
    display: none;
    position: relative;
    margin: 0 auto;
    background: linear-gradient(145deg, #16213e 0%, #0f1a2e 100%);
    border-radius: 16px;
    padding: 32px;
    max-width: 1000px;
    width: 100%;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(0, 212, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.pantalla.activa {
    display: block;
    animation: aparecerPantalla 0.4s ease-out;
}

.pantalla::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%, #00d4ff 20%, #e94560 50%, #00d4ff 80%, transparent 100%);
    border-radius: 16px 16px 0 0;
}


/* ============================================================
   4. TIPOGRAFÍA GLOBAL
   ============================================================ */

h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-primario);
    margin-bottom: 8px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

h2 {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-texto-tenue);
    margin-bottom: 24px;
    letter-spacing: 0.6px;
}

h3 {
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primario);
    margin-bottom: 12px;
    opacity: 0.9;
}

p {
    line-height: 1.6;
    margin-bottom: 8px;
    color: var(--color-texto-suave);
    letter-spacing: 0.2px;
}


/* ============================================================
   5. HEADER Y NAVEGACIÓN
   ============================================================ */

#header-app {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: linear-gradient(180deg, rgba(15, 26, 46, 0.98) 0%, rgba(10, 14, 26, 0.95) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.nav-btn {
    background: transparent;
    border: none;
    color: var(--color-texto-medio);
    padding: 10px 16px;
    border-radius: var(--radio-sm);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    box-shadow: none;
    text-transform: none;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.nav-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-primario);
    transform: none;
    box-shadow: none;
}

.nav-btn:hover::before,
.nav-btn.activo::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-btn.activo {
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-primario);
    box-shadow: inset 0 0 0 1px rgba(0, 212, 255, 0.3);
}

.nav-btn-docente {
    background: linear-gradient(135deg, rgba(122, 63, 255, 0.2) 0%, rgba(90, 47, 191, 0.2) 100%);
    color: var(--color-docente-claro);
    box-shadow: inset 0 0 0 1px rgba(122, 63, 255, 0.4);
}

.nav-btn-docente:hover {
    background: linear-gradient(135deg, rgba(122, 63, 255, 0.35) 0%, rgba(90, 47, 191, 0.35) 100%);
    color: #d0b0ff;
}


/* ============================================================
   6. TOGGLE MODO DOCENTE
   ============================================================ */

.header-acciones {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toggle-docente {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.2s ease;
}

.toggle-docente:hover { background: rgba(0, 212, 255, 0.1); }

.toggle-docente input { display: none; }

.toggle-slider {
    position: relative;
    width: 34px;
    height: 18px;
    background: #2a3a54;
    border-radius: 20px;
    transition: background 0.25s ease;
    flex-shrink: 0;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: var(--color-texto-tenue);
    border-radius: 50%;
    transition: all 0.25s ease;
}

.toggle-docente input:checked + .toggle-slider {
    background: linear-gradient(90deg, #7a3fff 0%, #00d4ff 100%);
}

.toggle-docente input:checked + .toggle-slider::after {
    left: 18px;
    background: #ffffff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

.toggle-texto {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-texto-tenue);
    transition: color 0.2s ease;
    white-space: nowrap;
}

.toggle-docente input:checked ~ .toggle-texto { color: var(--color-docente-claro); }


/* ============================================================
   7. DASHBOARD
   ============================================================ */

.dashboard-bienvenida {
    text-align: center;
    padding: 10px 0 24px 0;
}

.dashboard-bienvenida h1 {
    font-size: 32px;
    margin-bottom: 6px;
}

.dashboard-bienvenida .subtitulo {
    color: var(--color-texto-tenue);
    font-size: 14px;
    letter-spacing: 0.5px;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.card-accion {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.7) 0%, rgba(10, 30, 60, 0.7) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radio-lg);
    padding: 22px 20px;
    cursor: pointer;
    transition: all var(--transicion-normal);
    position: relative;
    overflow: hidden;
}

.card-accion::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.1), transparent 40%);
    pointer-events: none;
}

.card-accion::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radio-lg);
    border: 1px solid transparent;
    opacity: 0;
    transition: opacity var(--transicion-normal);
    pointer-events: none;
    box-shadow:
        inset 0 0 0 1px rgba(0, 212, 255, 0.6),
        inset 0 0 20px rgba(0, 212, 255, 0.15),
        0 0 20px rgba(0, 212, 255, 0.3);
}

.card-accion:hover {
    transform: translateY(-5px);
    border-color: var(--color-primario);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.2);
}

.card-accion:hover::after { opacity: 1; }

.card-accion h3 {
    color: var(--color-primario);
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.card-accion p {
    color: var(--color-texto-medio);
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.card-cta {
    color: var(--color-primario);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.card-accion:hover .card-cta { opacity: 1; }

.dashboard-info {
    background: linear-gradient(135deg, rgba(15, 52, 96, 0.4) 0%, rgba(10, 30, 60, 0.4) 100%);
    border-left: 4px solid var(--color-peligro);
    border-radius: var(--radio-md);
    padding: 20px 24px;
}

.dashboard-info h2 {
    color: var(--color-primario);
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}

.dashboard-info p {
    color: var(--color-texto-suave);
    font-size: 14px;
    line-height: 1.7;
}

.dashboard-info strong { color: var(--color-primario); }


/* ============================================================
   8. INTRO DEL SIMULADOR
   ============================================================ */

#pantalla-simulador-intro {
    text-align: center;
}

#pantalla-simulador-intro p {
    font-size: 15px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

#pantalla-simulador-intro p:last-of-type {
    border-bottom: none;
    margin-bottom: 24px;
}

#pantalla-simulador-intro strong {
    color: var(--color-primario);
    font-weight: 600;
    letter-spacing: 0.5px;
}

#botones-inicio {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 28px;
}


/* ============================================================
   9. PANTALLA DE SIMULACIÓN
   ============================================================ */

#panel-cirujano {
    position: relative;
    background: linear-gradient(135deg, #0f3460 0%, #0a2547 100%);
    border-left: 4px solid var(--color-peligro);
    padding: 20px 24px;
    border-radius: var(--radio-md);
    margin-bottom: 24px;
    box-shadow:
        0 4px 20px rgba(233, 69, 96, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

#panel-cirujano::before {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 20px;
    height: 20px;
    opacity: 0.7;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300d4ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='11 5 6 9 2 9 2 15 6 15 11 19 11 5'/%3E%3Cpath d='M15.54 8.46a5 5 0 0 1 0 7.07'/%3E%3Cpath d='M19.07 4.93a10 10 0 0 1 0 14.14'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

#panel-cirujano.entrando {
    animation: entraPanelCirujano 0.45s ease-out;
}

#texto-cirujano {
    font-size: 16px;
    font-style: italic;
    color: #e8eef7;
    line-height: 1.5;
    margin: 0;
}

#panel-cirujano .badge-simulador-nombre {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 3px 8px;
    background: rgba(122, 63, 255, 0.2);
    color: var(--color-docente-claro);
    border: 1px solid rgba(122, 63, 255, 0.4);
    border-radius: 12px;
    margin-bottom: 8px;
}

/* ---------- Zona de entrega ---------- */

#area-mano {
    text-align: center;
    margin: 28px 0;
}

#area-mano > p {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-texto-tenue);
    margin-bottom: 14px;
    font-weight: 600;
}

#zona-drop {
    width: 320px;
    height: 220px;
    margin: 0 auto;
    border: 3px solid rgba(0, 212, 255, 0.6);
    border-radius: var(--radio-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transicion-normal);
    background: var(--color-fondo-oscuro);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(0, 212, 255, 0.2),
        0 10px 30px rgba(0, 0, 0, 0.5),
        inset 0 0 40px rgba(0, 0, 0, 0.6);
}

#zona-drop::before {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 8px;
    pointer-events: none;
    z-index: 2;
}

#zona-drop .esquina {
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-primario);
    pointer-events: none;
    z-index: 3;
    transition: all var(--transicion-normal);
}

#zona-drop .esquina-tl { top: 8px;    left: 8px;   border-right: none; border-bottom: none; }
#zona-drop .esquina-tr { top: 8px;    right: 8px;  border-left: none;  border-bottom: none; }
#zona-drop .esquina-bl { bottom: 8px; left: 8px;   border-right: none; border-top: none; }
#zona-drop .esquina-br { bottom: 8px; right: 8px;  border-left: none;  border-top: none; }

#zona-drop.sobre .esquina {
    border-color: var(--color-exito-claro);
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.8);
}

#imagen-procedimiento {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 11px;
    transition: transform 0.4s ease, filter 0.3s ease;
    display: block;
    filter: brightness(0.95) contrast(1.05);
    pointer-events: none;
}

#zona-drop.sobre #imagen-procedimiento {
    transform: scale(1.05);
    filter: brightness(0.7) contrast(1.1) blur(1px);
}

#zona-drop.sobre {
    border-color: var(--color-primario);
    box-shadow:
        0 0 0 2px rgba(0, 212, 255, 0.4),
        0 0 30px rgba(0, 212, 255, 0.5),
        inset 0 0 60px rgba(0, 212, 255, 0.15);
}

#zona-drop.sobre::after {
    content: '⬇ SOLTAR AQUÍ';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-primario);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.9);
    pointer-events: none;
    z-index: 4;
    animation: pulsoSoltar 1s ease-in-out infinite;
}

/* ---------- Mesa de instrumentación ---------- */

#mesa-instrumentos {
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(180deg, rgba(15, 52, 96, 0.5) 0%, rgba(10, 30, 60, 0.5) 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

#lista-instrumentos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.instrumento {
    background: linear-gradient(145deg, #1a2c4e 0%, #0f1f3a 100%);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    padding: 14px 10px;
    cursor: grab;
    user-select: none;
    transition: all 0.22s ease;
    text-align: center;
    color: var(--color-texto-suave);
    line-height: 1.3;
    min-height: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.instrumento::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.08), transparent 40%);
    pointer-events: none;
}

.instrumento-imagen {
    width: 64px;
    height: 64px;
    object-fit: contain;
    transition: transform 0.22s ease;
    filter: drop-shadow(0 2px 6px rgba(0, 212, 255, 0.3));
    -webkit-user-drag: none;
}

.instrumento-icono {
    font-size: 38px;
    line-height: 1;
    filter: drop-shadow(0 2px 6px rgba(0, 212, 255, 0.3));
    transition: transform 0.22s ease;
}

.instrumento-nombre {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: var(--color-texto-medio);
    text-transform: uppercase;
    line-height: 1.3;
}

.instrumento-imagen,
.instrumento-icono,
.instrumento-nombre {
    pointer-events: none;
}

.instrumento:hover {
    transform: translateY(-5px);
    border-color: var(--color-primario);
    box-shadow:
        0 10px 25px rgba(0, 212, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.instrumento:hover .instrumento-imagen,
.instrumento:hover .instrumento-icono { transform: scale(1.12); }

.instrumento:hover .instrumento-nombre { color: var(--color-primario); }

.instrumento:active { cursor: grabbing; }

.instrumento.seleccionado {
    border-color: var(--color-peligro);
    background: linear-gradient(145deg, #2a1f3a 0%, #1a0f2a 100%);
    box-shadow: 0 0 25px rgba(233, 69, 96, 0.6);
    transform: scale(0.97);
}

.instrumento.seleccionado .instrumento-imagen,
.instrumento.seleccionado .instrumento-icono {
    filter: drop-shadow(0 0 12px rgba(233, 69, 96, 0.8));
}

.instrumento.entrando {
    animation: entraInstrumento 0.35s ease-out backwards;
}

/* ---------- Feedback ---------- */

#panel-feedback {
    margin-top: 20px;
    padding: 16px 20px;
    border-radius: var(--radio-md);
    font-weight: 600;
    line-height: 1.5;
    display: none;
    border-left: 4px solid;
    font-size: 14px;
}

#panel-feedback.exito {
    display: block;
    background: linear-gradient(135deg, rgba(0, 200, 100, 0.15) 0%, rgba(0, 150, 80, 0.1) 100%);
    border-color: var(--color-exito);
    color: #4dffa0;
    box-shadow: 0 0 20px rgba(0, 200, 100, 0.2);
    animation: entraFeedback 0.35s ease-out;
}

#panel-feedback.exito::before {
    content: '✓ ';
    font-weight: bold;
    font-size: 16px;
}

#panel-feedback.error {
    display: block;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.15) 0%, rgba(180, 40, 70, 0.1) 100%);
    border-color: var(--color-peligro);
    color: #ff7a95;
    box-shadow: 0 0 20px rgba(233, 69, 96, 0.2);
    animation: entraFeedback 0.35s ease-out;
}

#panel-feedback.error::before {
    content: '⚠ ';
    font-weight: bold;
    font-size: 16px;
}

/* ---------- Barra de progreso + temporizador ---------- */

#panel-progreso {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 16px;
}

#panel-progreso.entrando {
    animation: entraBarraProgreso 0.4s ease-out;
}

#panel-progreso.pulso {
    animation: pulsoIAQ 0.6s ease-out;
    transform-origin: right center;
}

#progreso-paso {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-texto-tenue);
    white-space: nowrap;
}

#barra-progreso {
    position: relative;
    height: 10px;
    background: rgba(0, 212, 255, 0.08);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

#barra-progreso-relleno {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #00d4ff 0%, #00ff88 100%);
    border-radius: 6px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 0 12px rgba(0, 212, 255, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

#barra-progreso-relleno::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%
    );
    animation: brilloBarra 2s ease-in-out infinite;
}

#progreso-iaq {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-primario);
    letter-spacing: 1px;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    white-space: nowrap;
    min-width: 90px;
    text-align: right;
    transition: color 0.3s ease;
}

#temporizador {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--color-exito-claro);
    min-width: 70px;
    text-align: right;
    transition: color 0.3s ease, transform 0.2s ease;
    font-variant-numeric: tabular-nums;
}

#temporizador.advertencia {
    color: var(--color-advertencia);
    text-shadow: 0 0 12px rgba(255, 204, 0, 0.6);
}

#temporizador.peligro {
    color: #ff4d6d;
    text-shadow: 0 0 15px rgba(255, 77, 109, 0.8);
    animation: pulsoTemporizador 0.8s ease-in-out infinite;
}

#indicadores-pasos {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 14px;
}

.indicador-paso {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid rgba(0, 212, 255, 0.3);
    transition: all 0.4s ease;
    position: relative;
    box-shadow:
        0 0 0 1px rgba(0, 212, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.indicador-paso.completado {
    background: var(--color-exito-claro);
    border-color: var(--color-exito-claro);
    box-shadow:
        0 0 15px rgba(0, 255, 136, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.indicador-paso.actual {
    background: var(--color-primario);
    border-color: var(--color-primario);
    box-shadow:
        0 0 15px rgba(0, 212, 255, 0.8),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: pulsoIndicador 1.5s ease-in-out infinite;
}


/* ============================================================
   10. REPORTE
   ============================================================ */

#pantalla-reporte ul {
    list-style: none;
    padding: 0;
    margin-top: 12px;
}

#pantalla-reporte li {
    padding: 12px 16px;
    background: rgba(233, 69, 96, 0.1);
    border-left: 3px solid var(--color-peligro);
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 13px;
    color: #ffb0c0;
    line-height: 1.5;
}

#pantalla-reporte li strong { color: var(--color-peligro); }
#contenido-reporte p { font-size: 15px; padding: 8px 0; }
#contenido-reporte strong { color: var(--color-primario); }


/* ============================================================
   11. ANATOMÍA
   ============================================================ */

#contenido-anatomia {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 20px 0;
}

.bloque-anatomia {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.6) 0%, rgba(10, 30, 60, 0.6) 100%);
    border-left: 3px solid var(--color-primario);
    border-radius: var(--radio-sm);
    padding: 16px 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.bloque-anatomia::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primario) 0%, transparent 100%);
    opacity: 0.7;
    transition: opacity var(--transicion-normal);
}

.bloque-anatomia:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.15);
}

.bloque-anatomia:hover::after {
    opacity: 1;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.7);
}

.bloque-anatomia h3 {
    color: var(--color-primario);
    margin-bottom: 10px;
    font-size: 14px;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bloque-anatomia p,
.bloque-anatomia li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-texto-suave);
    margin-bottom: 6px;
}

.bloque-anatomia ul,
.bloque-anatomia ol {
    padding-left: 20px;
    margin-top: 6px;
}

.bloque-anatomia strong { color: var(--color-primario); font-weight: 600; }


/* ============================================================
   12. HISTORIAL
   ============================================================ */

#estadisticas-historial {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.stat-historial {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.7) 0%, rgba(10, 30, 60, 0.7) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.stat-historial::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--color-primario) 50%, transparent 100%);
    opacity: 0.6;
    transition: opacity var(--transicion-normal);
}

.stat-historial:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
}

.stat-historial:hover::before { opacity: 1; }

.stat-historial:hover .stat-valor {
    color: var(--color-exito-claro);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
}

.stat-valor {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primario);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    margin-bottom: 6px;
    font-variant-numeric: tabular-nums;
}

.stat-etiqueta {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-texto-tenue);
    font-weight: 600;
}

#tabla-historial-contenedor {
    max-height: 320px;
    overflow-y: auto;
    border-radius: var(--radio-md);
    border: 1px solid rgba(0, 212, 255, 0.15);
    background: rgba(10, 30, 60, 0.4);
    margin-bottom: 20px;
}

#tabla-historial {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

#tabla-historial thead {
    position: sticky;
    top: 0;
    background: #0f3460;
    z-index: 1;
}

#tabla-historial th {
    padding: 12px 16px;
    text-align: left;
    color: var(--color-primario);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 1.2px;
    font-weight: 700;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

#tabla-historial td {
    padding: 12px 16px;
    color: var(--color-texto-suave);
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
}

#tabla-historial tbody tr { transition: background var(--transicion-rapida); }
#tabla-historial tbody tr:hover { background: rgba(0, 212, 255, 0.08); }

.iaq-alto  { color: var(--color-exito-claro); font-weight: 700; }
.iaq-medio { color: var(--color-advertencia); font-weight: 700; }
.iaq-bajo  { color: #ff4d6d; font-weight: 700; }

.historial-vacio {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-texto-tenue);
    font-style: italic;
    font-size: 14px;
}

#acciones-historial {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}


/* ============================================================
   13. ESTADOS VACÍOS
   ============================================================ */

.estado-vacio {
    text-align: center;
    padding: 50px 20px;
    color: var(--color-texto-tenue);
}

.estado-vacio p {
    font-size: 14px;
    margin-bottom: 6px;
}

.estado-vacio-ayuda {
    font-size: 12px !important;
    opacity: 0.7;
    font-style: italic;
}


/* ============================================================
   14. SISTEMA DE ICONOS SVG
   ============================================================ */

.icono-svg {
    display: inline-block;
    vertical-align: middle;
    width: 1em;
    height: 1em;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    flex-shrink: 0;
}

.icono-svg-sm { width: 16px; height: 16px; }
.icono-svg-md { width: 20px; height: 20px; }
.icono-svg-lg { width: 26px; height: 26px; }
.icono-svg-xl { width: 42px; height: 42px; }

.logo-icono-svg {
    width: 28px;
    height: 28px;
    color: var(--color-primario);
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.7));
    animation: pulsoLogo 2.5s ease-in-out infinite;
}

.card-icono-svg {
    width: 42px;
    height: 42px;
    color: var(--color-primario);
    stroke-width: 1.75;
    margin-bottom: 14px;
    filter: drop-shadow(0 4px 8px rgba(0, 212, 255, 0.35));
    transition: transform 0.25s ease, filter 0.25s ease;
}

.card-accion:hover .card-icono-svg {
    transform: scale(1.12);
    filter: drop-shadow(0 0 14px rgba(0, 212, 255, 0.7));
}

.nav-btn .icono-svg {
    width: 16px;
    height: 16px;
}

.estado-vacio-icono-svg {
    width: 64px;
    height: 64px;
    color: var(--color-texto-tenue);
    stroke-width: 1.25;
    opacity: 0.5;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.bloque-anatomia h3 .icono-svg {
    width: 18px;
    height: 18px;
    color: var(--color-primario);
    flex-shrink: 0;
}


/* ============================================================
   15. SISTEMA UNIFICADO DE BOTONES
   ============================================================ */

/* ---------- Base común ---------- */

#btn-iniciar,
#btn-repasar-anatomia,
#btn-reiniciar,
#btn-volver-inicio,
#btn-volver-inicio-historial,
#btn-borrar-historial,
#btn-guardar-clase,
#btn-guardar-simulador,
.btn-secundario,
.btn-accion-clases {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: var(--radio-md);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin-top: 20px;
    font-family: inherit;
    white-space: nowrap;
    transition:
        background var(--transicion-normal),
        transform var(--transicion-rapida),
        box-shadow var(--transicion-normal),
        border-color var(--transicion-normal),
        color var(--transicion-normal);
}

#btn-iniciar .icono-svg,
#btn-repasar-anatomia .icono-svg,
#btn-reiniciar .icono-svg,
#btn-volver-inicio .icono-svg,
#btn-volver-inicio-historial .icono-svg,
#btn-borrar-historial .icono-svg,
#btn-guardar-clase .icono-svg,
#btn-guardar-simulador .icono-svg,
.btn-secundario .icono-svg,
.btn-accion-clases .icono-svg {
    width: 16px;
    height: 16px;
    margin: 0;
    flex-shrink: 0;
    transition: transform var(--transicion-normal);
}

#btn-iniciar::after,
#btn-repasar-anatomia::after,
#btn-reiniciar::after,
#btn-volver-inicio::after,
#btn-volver-inicio-historial::after,
#btn-borrar-historial::after,
#btn-guardar-clase::after,
#btn-guardar-simulador::after,
.btn-secundario::after,
.btn-accion-clases::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.22) 50%, transparent 100%);
    transition: left 0.55s ease;
    pointer-events: none;
}

#btn-iniciar:hover::after,
#btn-repasar-anatomia:hover::after,
#btn-reiniciar:hover::after,
#btn-volver-inicio:hover::after,
#btn-volver-inicio-historial:hover::after,
#btn-borrar-historial:hover::after,
#btn-guardar-clase:hover::after,
#btn-guardar-simulador:hover::after,
.btn-secundario:hover::after,
.btn-accion-clases:hover::after {
    left: 100%;
}

#btn-iniciar:focus-visible,
#btn-repasar-anatomia:focus-visible,
#btn-reiniciar:focus-visible,
#btn-volver-inicio:focus-visible,
#btn-volver-inicio-historial:focus-visible,
#btn-borrar-historial:focus-visible,
#btn-guardar-clase:focus-visible,
#btn-guardar-simulador:focus-visible,
.btn-secundario:focus-visible,
.btn-accion-clases:focus-visible {
    outline: 2px solid var(--color-primario);
    outline-offset: 3px;
}

/* ---------- Variante primaria ---------- */

#btn-iniciar,
#btn-repasar-anatomia,
#btn-guardar-clase,
#btn-guardar-simulador {
    background: linear-gradient(135deg, #00d4ff 0%, #0089b3 100%);
    color: var(--color-fondo-oscuro);
    border: 1.5px solid transparent;
    box-shadow: 0 4px 18px rgba(0, 212, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

#btn-iniciar:hover,
#btn-repasar-anatomia:hover,
#btn-guardar-clase:hover,
#btn-guardar-simulador:hover {
    background: linear-gradient(135deg, #22e0ff 0%, #00a8d4 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 212, 255, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

#btn-iniciar:hover .icono-svg,
#btn-repasar-anatomia:hover .icono-svg,
#btn-guardar-clase:hover .icono-svg,
#btn-guardar-simulador:hover .icono-svg {
    transform: scale(1.15) rotate(-5deg);
}

/* ---------- Variante secundaria (ghost) ---------- */

#btn-reiniciar,
#btn-volver-inicio,
#btn-volver-inicio-historial,
.btn-secundario,
.btn-accion-clases {
    background: rgba(0, 212, 255, 0.06);
    color: #7ad4ff;
    border: 1.5px solid rgba(0, 212, 255, 0.45);
    box-shadow: 0 0 0 0 rgba(0, 212, 255, 0), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#btn-reiniciar:hover,
#btn-volver-inicio:hover,
#btn-volver-inicio-historial:hover,
.btn-secundario:hover,
.btn-accion-clases:hover {
    background: rgba(0, 212, 255, 0.18);
    border-color: var(--color-primario);
    color: #e6f8ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 212, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

#btn-reiniciar:hover .icono-svg,
#btn-volver-inicio:hover .icono-svg,
#btn-volver-inicio-historial:hover .icono-svg,
.btn-secundario:hover .icono-svg {
    transform: translateX(-4px);
}

.btn-accion-clases:hover .icono-svg { transform: translateY(2px); }
#btn-importar-clases:hover .icono-svg,
#btn-importar-simuladores:hover .icono-svg { transform: translateY(-2px); }

/* ---------- Variante peligro ---------- */

#btn-borrar-historial {
    background: rgba(233, 69, 96, 0.08);
    color: #ff8fa3;
    border: 1.5px solid rgba(233, 69, 96, 0.5);
    box-shadow: 0 0 0 0 rgba(233, 69, 96, 0), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#btn-borrar-historial:hover {
    background: rgba(233, 69, 96, 0.22);
    border-color: #ff5c77;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(233, 69, 96, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

#btn-borrar-historial:hover .icono-svg {
    transform: scale(1.15);
    animation: sacudidaPapelera 0.5s ease-in-out;
}

/* ---------- Botón exportar una clase individual ---------- */

.btn-exportar-una-clase {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radio-md);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    cursor: pointer;
    margin: 0;
    transition: all var(--transicion-normal);
    font-family: inherit;
    border: 1.5px solid;
    background: rgba(0, 200, 100, 0.08);
    color: #4dffa0;
    border-color: rgba(0, 200, 100, 0.5);
}

.btn-exportar-una-clase:hover {
    background: rgba(0, 200, 100, 0.2);
    border-color: var(--color-exito-claro);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 200, 100, 0.4);
}

.btn-exportar-una-clase .icono-svg {
    width: 15px;
    height: 15px;
    margin: 0;
    transition: transform var(--transicion-normal);
}

.btn-exportar-una-clase:hover .icono-svg { transform: translateY(2px); }

/* ---------- Botón "Nueva Clase / Nuevo Simulador" ---------- */

.btn-nueva-clase-docente {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radio-md);
    background: linear-gradient(135deg, #7a3fff 0%, #5a2fbf 100%);
    color: #ffffff;
    border: 1.5px solid transparent;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    cursor: pointer;
    margin-top: 0;
    transition: all var(--transicion-normal);
    box-shadow: 0 4px 15px rgba(122, 63, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    font-family: inherit;
    white-space: nowrap;
}

.btn-nueva-clase-docente:hover {
    background: linear-gradient(135deg, #8f5aff 0%, #6a3fdf 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(122, 63, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-nueva-clase-docente .icono-svg {
    width: 16px;
    height: 16px;
    margin: 0;
}

/* ---------- Botón "Volver a Clases / Simuladores" ---------- */

.btn-volver-clases {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radio-md);
    background: rgba(0, 212, 255, 0.06);
    color: #7ad4ff;
    border: 1.5px solid rgba(0, 212, 255, 0.45);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    cursor: pointer;
    margin: 0 0 20px 0;
    transition: all var(--transicion-normal);
    font-family: inherit;
}

.btn-volver-clases:hover {
    background: rgba(0, 212, 255, 0.18);
    border-color: var(--color-primario);
    color: #e6f8ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 212, 255, 0.35);
}

.btn-volver-clases .icono-svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transicion-normal);
}

.btn-volver-clases:hover .icono-svg { transform: translateX(-4px); }

/* ---------- Botones editar / eliminar clase ---------- */

.btn-editar-clase,
.btn-eliminar-clase {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radio-md);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    cursor: pointer;
    margin: 0;
    transition: all var(--transicion-normal);
    font-family: inherit;
    border: 1.5px solid;
}

.btn-editar-clase {
    background: rgba(0, 212, 255, 0.08);
    color: #7ad4ff;
    border-color: rgba(0, 212, 255, 0.45);
}

.btn-editar-clase:hover {
    background: rgba(0, 212, 255, 0.18);
    border-color: var(--color-primario);
    color: #e6f8ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 212, 255, 0.35);
}

.btn-eliminar-clase {
    background: rgba(233, 69, 96, 0.08);
    color: #ff8fa3;
    border-color: rgba(233, 69, 96, 0.5);
}

.btn-eliminar-clase:hover {
    background: rgba(233, 69, 96, 0.22);
    border-color: #ff5c77;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(233, 69, 96, 0.4);
}

.btn-editar-clase .icono-svg,
.btn-eliminar-clase .icono-svg {
    width: 15px;
    height: 15px;
    margin: 0;
}

/* ---------- Botón exportar con selección activa ---------- */

#btn-exportar-clases.con-seleccion {
    background: linear-gradient(135deg, #00d4ff 0%, #0089b3 100%);
    color: var(--color-fondo-oscuro);
    border-color: transparent;
    box-shadow: 0 4px 18px rgba(0, 212, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

#btn-exportar-clases.con-seleccion:hover {
    background: linear-gradient(135deg, #22e0ff 0%, #00a8d4 100%);
    color: var(--color-fondo-oscuro);
    box-shadow: 0 8px 28px rgba(0, 212, 255, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

#btn-seleccionar-todas.oculto { display: none; }

/* ---------- Botón principal de modal ---------- */

.btn-primario-modal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: var(--radio-md);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    font-family: inherit;
    background: linear-gradient(135deg, #00d4ff 0%, #0089b3 100%);
    color: var(--color-fondo-oscuro);
    border: 1.5px solid transparent;
    box-shadow: 0 4px 18px rgba(0, 212, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition: all var(--transicion-normal);
}

.btn-primario-modal:hover {
    background: linear-gradient(135deg, #22e0ff 0%, #00a8d4 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 212, 255, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn-primario-modal .icono-svg {
    width: 16px;
    height: 16px;
    margin: 0;
}

.btn-primario-modal:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-primario-modal:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}


/* ============================================================
   16. FORMULARIOS BASE
   ============================================================ */

.form-grupo {
    margin-bottom: 20px;
}

.form-grupo label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-texto-tenue);
    margin-bottom: 8px;
}

.form-grupo input[type="text"],
.form-grupo input[type="email"],
.form-grupo input[type="password"],
.form-grupo input[type="number"],
.form-grupo select,
.form-grupo textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(10, 30, 60, 0.6);
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radio-md);
    color: var(--color-texto);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    transition: all var(--transicion-normal);
    outline: none;
}

.form-grupo textarea {
    line-height: 1.6;
    resize: vertical;
    min-height: 80px;
}

.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
    border-color: var(--color-primario);
    background: rgba(10, 30, 60, 0.85);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15), 0 0 20px rgba(0, 212, 255, 0.2);
}

.form-grupo input::placeholder,
.form-grupo textarea::placeholder {
    color: rgba(122, 156, 198, 0.6);
    font-style: italic;
}

.form-grupo small {
    display: block;
    font-size: 12px;
    color: var(--color-texto-tenue);
    margin-top: 6px;
    font-style: italic;
}

.form-grupo .error-campo {
    display: block;
    font-size: 12px;
    color: var(--color-peligro);
    margin-top: 6px;
    font-weight: 600;
}


/* ============================================================
   17. SISTEMA DE CLASES
   ============================================================ */

#clases-toolbar,
#simuladores-toolbar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    align-items: center;
}

#simuladores-toolbar .buscador-clases {
    flex: 1;
    min-width: 220px;
}

.buscador-clases {
    position: relative;
    flex: 1;
    min-width: 220px;
    display: flex;
    align-items: center;
}

.buscador-clases .icono-svg {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--color-texto-tenue);
    pointer-events: none;
    transition: color var(--transicion-normal);
}

.buscador-clases input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    background: rgba(10, 30, 60, 0.6);
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radio-md);
    color: var(--color-texto);
    font-family: inherit;
    font-size: 14px;
    transition: all var(--transicion-normal);
    outline: none;
}

.buscador-clases input:focus {
    border-color: var(--color-primario);
    background: rgba(10, 30, 60, 0.85);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15), 0 0 20px rgba(0, 212, 255, 0.2);
}

.buscador-clases:focus-within .icono-svg { color: var(--color-primario); }

.buscador-clases input::placeholder {
    color: rgba(122, 156, 198, 0.6);
    font-style: italic;
}

.filtro-categoria {
    padding: 12px 16px;
    background: rgba(10, 30, 60, 0.6);
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radio-md);
    color: var(--color-texto);
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transicion-normal);
    outline: none;
    min-width: 180px;
}

.filtro-categoria:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.filtro-categoria option {
    background: #0a1e3c;
    color: var(--color-texto);
}

.lista-clases {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.card-clase {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.7) 0%, rgba(10, 30, 60, 0.7) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radio-lg);
    padding: 20px 20px 20px 48px;
    cursor: pointer;
    transition: all var(--transicion-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 180px;
}

.card-clase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primario) 0%, transparent 100%);
    opacity: 0.7;
    transition: opacity var(--transicion-normal);
}

.card-clase:hover {
    transform: translateY(-5px);
    border-color: var(--color-primario);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.2);
}

.card-clase:hover::before {
    opacity: 1;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.7);
}

.card-clase.seleccionada {
    border-color: var(--color-primario);
    background: linear-gradient(145deg, rgba(0, 212, 255, 0.12) 0%, rgba(10, 30, 60, 0.85) 100%);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.35), 0 8px 25px rgba(0, 212, 255, 0.2);
}

.card-clase-categoria {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(0, 212, 255, 0.12);
    color: var(--color-primario);
    border: 1px solid rgba(0, 212, 255, 0.3);
    align-self: flex-start;
    margin-top: 2px;
}

.card-clase-titulo {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-texto);
    line-height: 1.3;
    margin: 0;
    transition: color var(--transicion-normal);
}

.card-clase:hover .card-clase-titulo { color: var(--color-primario); }

.card-clase-descripcion {
    font-size: 13px;
    color: var(--color-texto-medio);
    line-height: 1.5;
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-clase-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    font-size: 11px;
    color: var(--color-texto-tenue);
    letter-spacing: 0.5px;
}

.card-clase-fecha {
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-clase-fecha .icono-svg { width: 13px; height: 13px; }

.checkbox-clase {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 22px;
    height: 22px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background: rgba(10, 30, 60, 0.9);
    border: 2px solid rgba(0, 212, 255, 0.5);
    border-radius: 6px;
    z-index: 5;
    transition: all var(--transicion-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox-clase::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-primario);
    border-radius: 3px;
    transform: scale(0);
    transition: transform var(--transicion-rapida);
}

.checkbox-clase:hover {
    border-color: var(--color-primario);
    background: rgba(0, 212, 255, 0.12);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

.checkbox-clase:checked {
    border-color: var(--color-primario);
    background: rgba(0, 212, 255, 0.22);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
}

.checkbox-clase:checked::after { transform: scale(1); }

.checkbox-clase:focus-visible {
    outline: 2px solid var(--color-primario);
    outline-offset: 3px;
}

.detalle-clase-header {
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.detalle-clase-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 12px;
    font-size: 12px;
    color: var(--color-texto-tenue);
}

.detalle-clase-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.detalle-clase-meta-item .icono-svg {
    width: 14px;
    height: 14px;
    color: var(--color-primario);
}

.detalle-clase-contenido {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-texto-suave);
    margin-top: 20px;
}

.detalle-clase-contenido h3 {
    font-size: 18px;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--color-primario);
}

.detalle-clase-contenido p { margin-bottom: 14px; line-height: 1.8; }

.detalle-clase-contenido strong {
    color: var(--color-primario);
    font-weight: 700;
}

.detalle-clase-contenido em {
    color: var(--color-texto);
    font-style: italic;
}

.detalle-clase-contenido ul,
.detalle-clase-contenido ol {
    padding-left: 26px;
    margin-bottom: 14px;
}

.detalle-clase-contenido li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.detalle-clase-contenido img {
    max-width: 100%;
    border-radius: var(--radio-md);
    margin: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.detalle-clase-contenido br { line-height: 1.8; }

.detalle-clase-acciones {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    flex-wrap: wrap;
}

/* ---------- Acciones del editor ---------- */

.editor-acciones {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    flex-wrap: wrap;
}

.editor-acciones .btn-secundario,
.editor-acciones #btn-guardar-clase,
.editor-acciones #btn-guardar-simulador,
.editor-acciones .btn-vista-previa,
.editor-acciones .btn-eliminar-simulador {
    margin-top: 0;
}

.editor-acciones .btn-eliminar-simulador {
    margin-right: auto;
}


/* ============================================================
   18. MODAL DE IMPORTAR (CLASES Y SIMULADORES)
   ============================================================ */

.modal-contenido-ancho {
    max-width: 640px;
}

.btn-quitar-archivo {
    background: rgba(233, 69, 96, 0.12);
    color: #ff8fa3;
    border: 1.5px solid rgba(233, 69, 96, 0.4);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin: 0;
    padding: 0;
    transition: all var(--transicion-normal);
    flex-shrink: 0;
}

.btn-quitar-archivo:hover {
    background: rgba(233, 69, 96, 0.25);
    border-color: #ff5c77;
    color: #ffffff;
}

.btn-quitar-archivo .icono-svg {
    width: 14px;
    height: 14px;
    margin: 0;
}

.importar-previsualizacion {
    margin-bottom: 20px;
}

.importar-previsualizacion h3 {
    font-size: 12px;
    letter-spacing: 1.2px;
    color: var(--color-texto-tenue);
    margin-bottom: 10px;
    text-transform: uppercase;
}

#importar-lista-previsualizacion,
#importar-sim-lista-previsualizacion {
    max-height: 180px;
    overflow-y: auto;
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--radio-md);
    background: rgba(10, 30, 60, 0.4);
    padding: 8px;
}

.importar-estrategia {
    margin-bottom: 16px;
}

.importar-estrategia-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-texto-tenue);
    margin-bottom: 10px;
}

.importar-estrategia-opciones {
    display: flex;
    flex-direction: column;
    gap: 8px;
}


.importar-error::before {
    content: '⚠ ';
    font-size: 15px;
    font-weight: 700;
}


/* ============================================================
   19. EDITOR ENRIQUECIDO
   ============================================================ */

.editor-enriquecido {
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radio-md);
    background: rgba(10, 30, 60, 0.6);
    overflow: hidden;
    transition: border-color var(--transicion-normal), box-shadow var(--transicion-normal);
}

.editor-enriquecido:focus-within {
    border-color: var(--color-primario);
    background: rgba(10, 30, 60, 0.85);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15), 0 0 20px rgba(0, 212, 255, 0.2);
}

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 10px;
    background: linear-gradient(180deg, rgba(15, 52, 96, 0.7) 0%, rgba(10, 30, 60, 0.7) 100%);
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    flex-wrap: wrap;
}

.toolbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    margin: 0;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--color-texto-medio);
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transicion-rapida);
    letter-spacing: 0;
    text-transform: none;
    box-shadow: none;
}

.toolbar-btn:hover {
    background: rgba(0, 212, 255, 0.12);
    color: var(--color-primario);
    border-color: rgba(0, 212, 255, 0.35);
    transform: none;
    box-shadow: none;
}

.toolbar-btn:active,
.toolbar-btn.activo {
    background: rgba(0, 212, 255, 0.22);
    color: var(--color-primario);
    border-color: var(--color-primario);
    transform: none;
}

.toolbar-btn:focus-visible {
    outline: 2px solid var(--color-primario);
    outline-offset: 2px;
}

.toolbar-btn .icono-svg {
    width: 16px;
    height: 16px;
    margin: 0;
    stroke-width: 2;
}

.toolbar-btn strong,
.toolbar-btn em,
.toolbar-btn u {
    font-size: 13px;
    font-weight: 700;
    color: inherit;
}

.toolbar-separador {
    display: inline-block;
    width: 1px;
    height: 20px;
    background: rgba(0, 212, 255, 0.2);
    margin: 0 6px;
}

.editor-contenido {
    min-height: 260px;
    max-height: 500px;
    overflow-y: auto;
    padding: 16px 20px;
    color: var(--color-texto);
    font-family: inherit;
    font-size: 14.5px;
    line-height: 1.7;
    outline: none;
    caret-color: var(--color-primario);
}

.editor-contenido:empty::before {
    content: attr(data-placeholder);
    color: rgba(122, 156, 198, 0.6);
    font-style: italic;
    pointer-events: none;
    display: block;
}

.editor-contenido p { margin-bottom: 12px; color: var(--color-texto-suave); }

.editor-contenido h3 {
    color: var(--color-primario);
    font-size: 18px;
    margin-top: 16px;
    margin-bottom: 10px;
    text-transform: none;
    letter-spacing: 0;
}

.editor-contenido h4 {
    color: var(--color-primario);
    font-size: 15px;
    margin-top: 14px;
    margin-bottom: 8px;
    text-transform: none;
    letter-spacing: 0;
}

.editor-contenido strong,
.editor-contenido b { color: var(--color-primario); font-weight: 700; }

.editor-contenido em,
.editor-contenido i { color: var(--color-texto); font-style: italic; }

.editor-contenido u {
    text-decoration: underline;
    text-decoration-color: var(--color-primario);
    text-underline-offset: 3px;
}

.editor-contenido ul,
.editor-contenido ol {
    padding-left: 26px;
    margin-bottom: 12px;
    color: var(--color-texto-suave);
}

.editor-contenido li { margin-bottom: 4px; }

.editor-contenido a {
    color: var(--color-primario);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.editor-contenido a:hover { color: #22e0ff; }

.editor-contenido blockquote {
    border-left: 4px solid var(--color-primario);
    padding: 8px 16px;
    margin: 12px 0;
    background: rgba(0, 212, 255, 0.06);
    border-radius: 0 6px 6px 0;
    color: var(--color-texto-suave);
    font-style: italic;
}

.editor-contenido::-webkit-scrollbar { width: 8px; }
.editor-contenido::-webkit-scrollbar-track { background: rgba(10, 30, 60, 0.4); }
.editor-contenido::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 4px;
}
.editor-contenido::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.5); }


/* ============================================================
   20. MODAL DE IMAGEN
   ============================================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 5000;
    animation: fadeInModal 0.2s ease-out;
}

.modal-contenido {
    background: linear-gradient(145deg, #16213e 0%, #0f1a2e 100%);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radio-xl);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 212, 255, 0.15);
    animation: subirModal 0.3s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.modal-header h2 {
    margin: 0;
    font-size: 17px;
    color: var(--color-primario);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 700;
}

.modal-cerrar {
    background: transparent;
    border: none;
    color: var(--color-texto-tenue);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin: 0;
    padding: 0;
    transition: all var(--transicion-normal);
    box-shadow: none;
}

.modal-cerrar:hover {
    background: rgba(233, 69, 96, 0.15);
    color: #ff8fa3;
    transform: rotate(90deg);
    box-shadow: none;
}

.modal-cerrar .icono-svg {
    width: 18px;
    height: 18px;
    margin: 0;
}

.modal-tabs {
    display: flex;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    padding: 0 24px;
    gap: 4px;
}

.modal-tab {
    background: transparent;
    border: none;
    color: var(--color-texto-tenue);
    padding: 14px 18px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    margin: 0;
    position: relative;
    transition: color var(--transicion-normal);
    font-family: inherit;
    border-radius: 0;
    box-shadow: none;
}

.modal-tab:hover {
    color: var(--color-primario);
    background: transparent;
    transform: none;
    box-shadow: none;
}

.modal-tab.activo { color: var(--color-primario); }

.modal-tab.activo::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primario);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.7);
}

.modal-body { padding: 24px; }
.modal-panel { display: none; }

.modal-panel.activo {
    display: block;
    animation: fadeInPanel 0.25s ease-out;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 20px 24px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    flex-wrap: wrap;
}

.modal-footer .btn-secundario,
.modal-footer .btn-primario-modal {
    margin-top: 0;
}

.zona-archivo {
    border: 2px dashed rgba(0, 212, 255, 0.4);
    border-radius: var(--radio-md);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    background: rgba(0, 212, 255, 0.03);
    transition: all var(--transicion-normal);
}

.zona-archivo:hover,
.zona-archivo.arrastrando {
    border-color: var(--color-primario);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1), inset 0 0 30px rgba(0, 212, 255, 0.08);
}

.zona-archivo-icono {
    width: 42px;
    height: 42px;
    color: var(--color-primario);
    margin-bottom: 12px;
    opacity: 0.7;
    transition: all var(--transicion-normal);
}

.zona-archivo:hover .zona-archivo-icono,
.zona-archivo.arrastrando .zona-archivo-icono {
    transform: scale(1.1) translateY(-3px);
    opacity: 1;
}

.zona-archivo-titulo {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-texto-suave);
    margin: 0 0 6px 0;
}

.zona-archivo-ayuda {
    font-size: 12px;
    color: var(--color-texto-tenue);
    margin: 0;
    font-style: italic;
}

.imagen-previsualizacion {
    margin-top: 16px;
    border-radius: var(--radio-md);
    overflow: hidden;
    border: 1.5px solid rgba(0, 212, 255, 0.3);
    background: rgba(10, 30, 60, 0.4);
    padding: 12px;
    text-align: center;
}

.imagen-previsualizacion img {
    max-width: 100%;
    max-height: 220px;
    border-radius: var(--radio-sm);
    display: block;
    margin: 0 auto 12px auto;
}

.btn-quitar-previsualizacion {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(233, 69, 96, 0.12);
    color: #ff8fa3;
    border: 1.5px solid rgba(233, 69, 96, 0.5);
    border-radius: var(--radio-sm);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    margin: 0;
    font-family: inherit;
    transition: all var(--transicion-normal);
}

.btn-quitar-previsualizacion:hover {
    background: rgba(233, 69, 96, 0.25);
    color: #ffffff;
    border-color: #ff5c77;
}

.btn-quitar-previsualizacion .icono-svg {
    width: 13px;
    height: 13px;
    margin: 0;
}

.editor-contenido img,
.detalle-clase-contenido img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radio-md);
    margin: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    display: block;
}

.editor-contenido img[data-cargando="true"] {
    opacity: 0.5;
    filter: blur(2px);
}


/* ============================================================
   21. SISTEMA DE SIMULADORES PERSONALIZADOS
   ============================================================ */

.card-simulador {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.7) 0%, rgba(10, 30, 60, 0.7) 100%);
    border: 1px solid rgba(122, 63, 255, 0.25);
    border-radius: var(--radio-lg);
    padding: 20px;
    cursor: pointer;
    transition: all var(--transicion-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 200px;
}

.card-simulador::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-docente) 0%, transparent 100%);
    opacity: 0.7;
    transition: opacity var(--transicion-normal);
}

.card-simulador:hover {
    transform: translateY(-5px);
    border-color: var(--color-docente-claro);
    box-shadow: 0 12px 30px rgba(122, 63, 255, 0.25);
}

.card-simulador:hover::before {
    opacity: 1;
    box-shadow: 0 0 15px rgba(122, 63, 255, 0.7);
}

.card-simulador-categoria {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(122, 63, 255, 0.15);
    color: var(--color-docente-claro);
    border: 1px solid rgba(122, 63, 255, 0.4);
    align-self: flex-start;
}

.card-simulador-titulo {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-texto);
    line-height: 1.3;
    margin: 0;
    transition: color var(--transicion-normal);
}

.card-simulador:hover .card-simulador-titulo { color: var(--color-docente-claro); }

.card-simulador-procedimiento {
    font-size: 12px;
    color: var(--color-texto-tenue);
    font-style: italic;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-simulador-procedimiento .icono-svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.card-simulador-descripcion {
    font-size: 13px;
    color: var(--color-texto-medio);
    line-height: 1.5;
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-simulador-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid rgba(122, 63, 255, 0.15);
    font-size: 11px;
    color: var(--color-texto-tenue);
    gap: 8px;
    flex-wrap: wrap;
}

.card-simulador-dificultad {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 10px;
}

.card-simulador-dificultad.facil {
    background: rgba(0, 200, 100, 0.12);
    color: #4dffa0;
    border: 1px solid rgba(0, 200, 100, 0.3);
}

.card-simulador-dificultad.normal {
    background: rgba(0, 212, 255, 0.12);
    color: var(--color-primario);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.card-simulador-dificultad.dificil {
    background: rgba(233, 69, 96, 0.12);
    color: #ff8fa3;
    border: 1px solid rgba(233, 69, 96, 0.3);
}

.card-simulador-fecha {
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-simulador-fecha .icono-svg {
    width: 12px;
    height: 12px;
}

.badge-publicado {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background: linear-gradient(135deg, #00c864 0%, #008a44 100%);
    color: #ffffff;
    border-radius: 12px;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0, 200, 100, 0.4);
    z-index: 3;
}

.badge-publicado .icono-svg {
    width: 10px;
    height: 10px;
    stroke-width: 3;
}

.aviso-info {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(10, 30, 60, 0.4) 100%);
    border-left: 4px solid var(--color-primario);
    border-radius: var(--radio-md);
    margin-top: 8px;
}

.aviso-info .icono-svg {
    width: 22px;
    height: 22px;
    color: var(--color-primario);
    flex-shrink: 0;
    margin-top: 2px;
}

.aviso-info > div { flex: 1; }

.aviso-info strong {
    display: block;
    font-size: 13px;
    color: var(--color-primario);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.aviso-info span {
    display: block;
    font-size: 13px;
    color: var(--color-texto-suave);
    line-height: 1.5;
}


/* ============================================================
   22. EDITOR DE PASOS DEL SIMULADOR (S2)
   ============================================================ */

.form-grupo-pasos {
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    padding-top: 24px;
    margin-top: 24px;
}

.pasos-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 12px;
    flex-wrap: wrap;
}

.pasos-header label {
    margin-bottom: 0;
}

.btn-util {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--radio-sm);
    background: rgba(0, 212, 255, 0.06);
    color: #7ad4ff;
    border: 1px solid rgba(0, 212, 255, 0.35);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    margin: 0;
    transition: all var(--transicion-normal);
    font-family: inherit;
}

.btn-util:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--color-primario);
    color: #e6f8ff;
}

.btn-util .icono-svg {
    width: 14px;
    height: 14px;
    margin: 0;
}

.pasos-lista {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.pasos-lista:empty::before {
    content: 'Aún no hay pasos. Hacé clic en "Agregar paso" para empezar.';
    display: block;
    text-align: center;
    padding: 32px 20px;
    color: var(--color-texto-tenue);
    font-style: italic;
    font-size: 13px;
    background: rgba(10, 30, 60, 0.4);
    border: 1.5px dashed rgba(0, 212, 255, 0.2);
    border-radius: var(--radio-md);
}

.paso-card {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.5) 0%, rgba(10, 30, 60, 0.6) 100%);
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radio-md);
    padding: 0;
    overflow: hidden;
    transition: border-color var(--transicion-normal);
}

.paso-card:hover {
    border-color: rgba(0, 212, 255, 0.4);
}

.paso-card.arrastrando {
    opacity: 0.5;
    border-style: dashed;
}

.paso-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.08) 0%, transparent 100%);
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    gap: 12px;
}

.paso-numero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-primario);
}

.paso-numero-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.15);
    border: 1.5px solid rgba(0, 212, 255, 0.4);
    color: var(--color-primario);
    font-size: 12px;
    font-weight: 800;
}

.paso-acciones {
    display: flex;
    gap: 4px;
}

.paso-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    margin: 0;
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 6px;
    background: rgba(10, 30, 60, 0.5);
    color: var(--color-texto-medio);
    cursor: pointer;
    transition: all var(--transicion-rapida);
    font-family: inherit;
}

.paso-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--color-primario);
    color: var(--color-primario);
}

.paso-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.paso-btn.paso-btn-eliminar:hover {
    background: rgba(233, 69, 96, 0.15);
    border-color: var(--color-peligro);
    color: #ff8fa3;
}

.paso-btn .icono-svg {
    width: 14px;
    height: 14px;
    margin: 0;
}

.paso-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-fila {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 12px;
}

.form-fila .form-grupo { margin-bottom: 0; }
.paso-body .form-grupo { margin-bottom: 0; }

.paso-body .form-grupo label {
    font-size: 11px;
    margin-bottom: 6px;
}

.paso-body .form-grupo input,
.paso-body .form-grupo select,
.paso-body .form-grupo textarea {
    padding: 10px 12px;
    font-size: 13px;
}

.paso-body .form-grupo textarea {
    min-height: 60px;
    resize: vertical;
}

.paso-errores-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.paso-errores-header label {
    margin: 0;
    font-size: 11px;
}

.paso-errores {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 8px;
}

.error-row {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: 8px;
    align-items: center;
    padding: 8px;
    background: rgba(233, 69, 96, 0.05);
    border-left: 3px solid rgba(233, 69, 96, 0.4);
    border-radius: 6px;
}

.error-row select,
.error-row input {
    padding: 8px 10px;
    font-size: 12px;
    background: rgba(10, 30, 60, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 6px;
    color: var(--color-texto);
    font-family: inherit;
    outline: none;
    transition: border-color var(--transicion-rapida);
}

.error-row select:focus,
.error-row input:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.15);
}

.error-row input::placeholder {
    color: rgba(122, 156, 198, 0.6);
    font-style: italic;
}

.btn-eliminar-error {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    margin: 0;
    background: rgba(233, 69, 96, 0.1);
    color: #ff8fa3;
    border: 1px solid rgba(233, 69, 96, 0.4);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transicion-rapida);
    font-family: inherit;
}

.btn-eliminar-error:hover {
    background: rgba(233, 69, 96, 0.25);
    color: #ffffff;
    border-color: #ff5c77;
}

.btn-eliminar-error .icono-svg {
    width: 12px;
    height: 12px;
    margin: 0;
}

.btn-agregar-error {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(0, 212, 255, 0.05);
    color: #7ad4ff;
    border: 1px dashed rgba(0, 212, 255, 0.35);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    margin: 0;
    transition: all var(--transicion-rapida);
    font-family: inherit;
}

.btn-agregar-error:hover {
    background: rgba(0, 212, 255, 0.12);
    border-style: solid;
    border-color: var(--color-primario);
    color: #e6f8ff;
}

.btn-agregar-error .icono-svg {
    width: 12px;
    height: 12px;
    margin: 0;
}

.btn-agregar-paso {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 212, 255, 0.05);
    color: #7ad4ff;
    border: 2px dashed rgba(0, 212, 255, 0.35);
    border-radius: var(--radio-md);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    cursor: pointer;
    margin: 0 0 16px 0;
    transition: all var(--transicion-normal);
    font-family: inherit;
}

.btn-agregar-paso:hover {
    background: rgba(0, 212, 255, 0.12);
    border-style: solid;
    border-color: var(--color-primario);
    color: #e6f8ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 212, 255, 0.25);
}

.btn-agregar-paso .icono-svg {
    width: 18px;
    height: 18px;
    margin: 0;
}

.pasos-resumen {
    display: flex;
    gap: 20px;
    padding: 12px 16px;
    background: rgba(10, 30, 60, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: var(--radio-md);
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.pasos-resumen-item {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.pasos-resumen-valor {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primario);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.pasos-resumen-etiqueta {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-texto-tenue);
    font-weight: 700;
}

.pasos-peso-aviso {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(255, 204, 0, 0.1) 0%, rgba(180, 140, 0, 0.05) 100%);
    border-left: 4px solid var(--color-advertencia);
    border-radius: var(--radio-md);
    font-size: 12px;
    color: #ffd966;
    line-height: 1.5;
    margin-bottom: 12px;
}

.pasos-peso-aviso .icono-svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--color-advertencia);
}

.pasos-peso-aviso strong {
    color: #ffeeaa;
    font-weight: 800;
}


/* ============================================================
   23. VISTA PREVIA DEL SIMULADOR (S4)
   ============================================================ */

.preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 10, 20, 0.98);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 6000;
    overflow-y: auto;
    animation: fadeInModal 0.25s ease-out;
}

.preview-contenedor {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding: 12px 20px;
    background: linear-gradient(180deg, rgba(15, 26, 46, 0.95) 0%, rgba(10, 14, 26, 0.95) 100%);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radio-md);
    flex-wrap: wrap;
}

.preview-titulo {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.preview-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    background: linear-gradient(135deg, #ffcc00 0%, #cc9900 100%);
    color: #1a1a1a;
    border-radius: 20px;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(255, 204, 0, 0.4);
}

.preview-titulo > span:not(.preview-badge) {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-texto);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-cerrar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(233, 69, 96, 0.1);
    color: #ff8fa3;
    border: 1.5px solid rgba(233, 69, 96, 0.5);
    border-radius: var(--radio-md);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    cursor: pointer;
    margin: 0;
    transition: all var(--transicion-normal);
    font-family: inherit;
    flex-shrink: 0;
}

.preview-cerrar:hover {
    background: rgba(233, 69, 96, 0.25);
    border-color: #ff5c77;
    color: #ffffff;
}

.preview-cerrar .icono-svg {
    width: 15px;
    height: 15px;
    margin: 0;
}

.preview-content {
    flex: 1;
    background: linear-gradient(145deg, #16213e 0%, #0f1a2e 100%);
    border-radius: var(--radio-xl);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    padding: 32px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.preview-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%, #ffcc00 20%, #00d4ff 50%, #ffcc00 80%, transparent 100%);
    border-radius: 16px 16px 0 0;
}

.preview-panel-cirujano {
    position: relative;
    background: linear-gradient(135deg, #0f3460 0%, #0a2547 100%);
    border-left: 4px solid var(--color-peligro);
    padding: 18px 22px;
    border-radius: var(--radio-md);
    box-shadow: 0 4px 20px rgba(233, 69, 96, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.preview-panel-cirujano h3 {
    font-size: 12px;
    margin-bottom: 8px;
    letter-spacing: 1.5px;
    opacity: 0.85;
}

.preview-panel-cirujano p {
    font-size: 15px;
    font-style: italic;
    color: #e8eef7;
    line-height: 1.5;
    margin: 0;
}

.preview-panel-cirujano.entrando {
    animation: entraPanelCirujano 0.45s ease-out;
}

.preview-area-mano {
    text-align: center;
    margin: 0;
}

.preview-area-mano > p {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-texto-tenue);
    margin-bottom: 12px;
    font-weight: 600;
}

.preview-zona-drop {
    width: 300px;
    height: 180px;
    margin: 0 auto;
    border: 3px solid rgba(0, 212, 255, 0.6);
    border-radius: var(--radio-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transicion-normal);
    background: var(--color-fondo-oscuro);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.2), 0 10px 30px rgba(0, 0, 0, 0.5), inset 0 0 40px rgba(0, 0, 0, 0.6);
}

.preview-zona-drop::before {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 8px;
    pointer-events: none;
    z-index: 2;
}

.preview-zona-drop .esquina {
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-primario);
    pointer-events: none;
    z-index: 3;
    transition: all var(--transicion-normal);
}

.preview-zona-drop .esquina-tl { top: 8px;    left: 8px;   border-right: none; border-bottom: none; }
.preview-zona-drop .esquina-tr { top: 8px;    right: 8px;  border-left: none;  border-bottom: none; }
.preview-zona-drop .esquina-bl { bottom: 8px; left: 8px;   border-right: none; border-top: none; }
.preview-zona-drop .esquina-br { bottom: 8px; right: 8px;  border-left: none;  border-top: none; }

.preview-zona-drop.sobre .esquina {
    border-color: var(--color-exito-claro);
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.8);
}

.preview-zona-drop-texto {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(0, 212, 255, 0.5);
    font-weight: 600;
    text-align: center;
    padding: 0 20px;
}

.preview-zona-drop.sobre {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.4), 0 0 30px rgba(0, 212, 255, 0.5), inset 0 0 60px rgba(0, 212, 255, 0.15);
}

.preview-zona-drop.sobre .preview-zona-drop-texto {
    color: var(--color-primario);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.9);
    animation: pulsoSoltar 1s ease-in-out infinite;
}

.preview-zona-drop.acierto {
    animation: destelloAcierto 0.9s ease-out;
    border-style: solid;
}

.preview-zona-drop.error-shake {
    animation: sacudidaError 0.55s ease-in-out;
    border-color: var(--color-peligro);
    border-style: solid;
    background: rgba(233, 69, 96, 0.12);
}

.preview-mesa-instrumentos {
    padding: 18px;
    background: linear-gradient(180deg, rgba(15, 52, 96, 0.5) 0%, rgba(10, 30, 60, 0.5) 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.preview-mesa-instrumentos h3 {
    font-size: 12px;
    margin-bottom: 12px;
    letter-spacing: 1.5px;
    opacity: 0.85;
}

.preview-lista-instrumentos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.preview-instrumento {
    background: linear-gradient(145deg, #1a2c4e 0%, #0f1f3a 100%);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    padding: 12px 8px;
    cursor: grab;
    user-select: none;
    transition: all 0.22s ease;
    text-align: center;
    color: var(--color-texto-suave);
    line-height: 1.3;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    position: relative;
    overflow: hidden;
}

.preview-instrumento:hover {
    transform: translateY(-4px);
    border-color: var(--color-primario);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
    color: #ffffff;
}

.preview-instrumento.seleccionado {
    border-color: var(--color-peligro);
    background: linear-gradient(145deg, #2a1f3a 0%, #1a0f2a 100%);
    box-shadow: 0 0 20px rgba(233, 69, 96, 0.6);
    transform: scale(0.97);
}

.preview-instrumento-imagen {
    width: 52px;
    height: 52px;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0, 212, 255, 0.3));
    -webkit-user-drag: none;
    pointer-events: none;
}

.preview-instrumento-nombre {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: var(--color-texto-medio);
    text-transform: uppercase;
    line-height: 1.2;
    pointer-events: none;
}

.preview-instrumento:hover .preview-instrumento-nombre {
    color: var(--color-primario);
}

#preview-feedback {
    display: none;
    padding: 14px 18px;
    border-radius: var(--radio-md);
    font-weight: 600;
    line-height: 1.5;
    border-left: 4px solid;
    font-size: 13px;
}

#preview-feedback.exito {
    display: block;
    background: linear-gradient(135deg, rgba(0, 200, 100, 0.15) 0%, rgba(0, 150, 80, 0.1) 100%);
    border-color: var(--color-exito);
    color: #4dffa0;
    animation: entraFeedback 0.35s ease-out;
}

#preview-feedback.exito::before {
    content: '✓ ';
    font-weight: bold;
}

#preview-feedback.error {
    display: block;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.15) 0%, rgba(180, 40, 70, 0.1) 100%);
    border-color: var(--color-peligro);
    color: #ff7a95;
    animation: entraFeedback 0.35s ease-out;
}

#preview-feedback.error::before {
    content: '⚠ ';
    font-weight: bold;
}

.preview-progreso {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
}

#preview-paso-texto {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-texto-tenue);
    white-space: nowrap;
}

.preview-barra-progreso {
    position: relative;
    height: 10px;
    background: rgba(0, 212, 255, 0.08);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

#preview-barra-progreso-relleno {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #00d4ff 0%, #00ff88 100%);
    border-radius: 6px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
}

#preview-iaq-texto {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primario);
    letter-spacing: 1px;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    white-space: nowrap;
    min-width: 80px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.preview-indicadores {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.preview-indicador {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid rgba(0, 212, 255, 0.3);
    transition: all 0.4s ease;
}

.preview-indicador.completado {
    background: var(--color-exito-claro);
    border-color: var(--color-exito-claro);
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.7);
}

.preview-indicador.actual {
    background: var(--color-primario);
    border-color: var(--color-primario);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.8);
    animation: pulsoIndicador 1.5s ease-in-out infinite;
}

.preview-pantalla-fin {
    flex: 1;
    background: linear-gradient(145deg, #16213e 0%, #0f1a2e 100%);
    border-radius: var(--radio-xl);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    padding: 40px 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: aparecerPantalla 0.4s ease-out;
}

.preview-pantalla-fin h2 {
    color: var(--color-primario);
    font-size: 24px;
    margin: 0;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.preview-pantalla-fin p {
    color: var(--color-texto-suave);
    font-size: 14px;
    margin: 0;
}

.preview-reporte {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 600px;
    margin: 12px 0;
}

.preview-reporte-item {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.7) 0%, rgba(10, 30, 60, 0.7) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radio-md);
    padding: 18px 12px;
    text-align: center;
}

.preview-reporte-valor {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--color-primario);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    font-variant-numeric: tabular-nums;
    margin-bottom: 4px;
}

.preview-reporte-etiqueta {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--color-texto-tenue);
    font-weight: 700;
}

#preview-reporte-detalle {
    width: 100%;
    max-width: 600px;
    text-align: left;
}

#preview-reporte-detalle ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

#preview-reporte-detalle li {
    padding: 10px 14px;
    background: rgba(233, 69, 96, 0.1);
    border-left: 3px solid var(--color-peligro);
    border-radius: 6px;
    margin-bottom: 6px;
    font-size: 12px;
    color: #ffb0c0;
    line-height: 1.4;
}

#preview-reporte-detalle li strong { color: var(--color-peligro); }

.preview-fin-acciones {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 8px;
}

.preview-fin-acciones .btn-secundario,
.preview-fin-acciones .btn-primario-modal { margin-top: 0; }

.btn-vista-previa {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: var(--radio-md);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin-top: 0;
    font-family: inherit;
    background: linear-gradient(135deg, #ffcc00 0%, #cc9900 100%);
    color: #1a1a1a;
    border: 1.5px solid transparent;
    box-shadow: 0 4px 18px rgba(255, 204, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition: background var(--transicion-normal), transform var(--transicion-rapida), box-shadow var(--transicion-normal);
}

.btn-vista-previa:hover {
    background: linear-gradient(135deg, #ffdd33 0%, #e6aa00 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(255, 204, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn-vista-previa .icono-svg {
    width: 16px;
    height: 16px;
    margin: 0;
    transition: transform var(--transicion-normal);
}

.btn-vista-previa:hover .icono-svg { transform: scale(1.15); }

.btn-vista-previa:focus-visible {
    outline: 2px solid #ffcc00;
    outline-offset: 3px;
}


/* ============================================================
   24. PUBLICACIÓN Y SIMULADORES PUBLICADOS (S5)
   ============================================================ */

#simuladores-publicados-seccion {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    text-align: left;
}

.publicados-header {
    text-align: center;
    margin-bottom: 20px;
}

.titulo-seccion-publicados {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primario);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin: 0 0 6px 0;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}

.subtitulo-seccion-publicados {
    font-size: 13px;
    color: var(--color-texto-tenue);
    margin: 0;
    letter-spacing: 0.4px;
}

.lista-simuladores-publicados {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}

.card-simulador-publicado {
    background: linear-gradient(145deg, rgba(15, 52, 96, 0.65) 0%, rgba(10, 30, 60, 0.75) 100%);
    border: 1px solid rgba(122, 63, 255, 0.3);
    border-radius: var(--radio-lg);
    padding: 18px;
    cursor: pointer;
    transition: all var(--transicion-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 150px;
    text-align: left;
}

.card-simulador-publicado::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-docente) 0%, transparent 100%);
    opacity: 0.7;
    transition: opacity var(--transicion-normal);
}

.card-simulador-publicado:hover {
    transform: translateY(-4px);
    border-color: var(--color-docente-claro);
    box-shadow: 0 12px 30px rgba(122, 63, 255, 0.25);
}

.card-simulador-publicado:hover::before {
    opacity: 1;
    box-shadow: 0 0 15px rgba(122, 63, 255, 0.7);
}

.card-simulador-publicado-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.card-simulador-publicado-titulo {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-texto);
    line-height: 1.3;
    margin: 0;
    transition: color var(--transicion-normal);
}

.card-simulador-publicado:hover .card-simulador-publicado-titulo {
    color: var(--color-docente-claro);
}

.card-simulador-publicado-procedimiento {
    font-size: 12px;
    color: var(--color-texto-tenue);
    font-style: italic;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-simulador-publicado-procedimiento .icono-svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.card-simulador-publicado-info {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 10px;
    font-size: 11px;
    color: var(--color-texto-tenue);
    border-top: 1px solid rgba(122, 63, 255, 0.15);
}

.card-simulador-publicado-info-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.card-simulador-publicado-info-item .icono-svg {
    width: 12px;
    height: 12px;
}

.card-simulador-publicado-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-docente-claro);
    opacity: 0.7;
    transition: opacity var(--transicion-normal);
}

.card-simulador-publicado:hover .card-simulador-publicado-cta { opacity: 1; }

.card-simulador-publicado-cta .icono-svg {
    width: 14px;
    height: 14px;
}

.label-checkbox-publicar {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(0, 212, 255, 0.04);
    border: 1.5px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radio-md);
    cursor: pointer;
    transition: all var(--transicion-normal);
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
}

.label-checkbox-publicar:hover {
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.4);
}

.label-checkbox-publicar input[type="checkbox"] { display: none; }

.checkbox-publicar-marca {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 2px solid rgba(0, 212, 255, 0.5);
    border-radius: 6px;
    background: rgba(10, 30, 60, 0.8);
    flex-shrink: 0;
    transition: all var(--transicion-normal);
    margin-top: 2px;
}

.checkbox-publicar-marca .icono-svg {
    width: 14px;
    height: 14px;
    stroke: #ffffff;
    stroke-width: 3;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transicion-rapida);
}

.label-checkbox-publicar input:checked + .checkbox-publicar-marca {
    background: linear-gradient(135deg, #00c864 0%, #008a44 100%);
    border-color: var(--color-exito-claro);
    box-shadow: 0 0 12px rgba(0, 200, 100, 0.5);
}

.label-checkbox-publicar input:checked + .checkbox-publicar-marca .icono-svg {
    opacity: 1;
    transform: scale(1);
}

.checkbox-publicar-texto {
    flex: 1;
    min-width: 0;
}

.checkbox-publicar-texto strong {
    display: block;
    font-size: 14px;
    color: var(--color-texto);
    font-weight: 700;
    margin-bottom: 3px;
}

.checkbox-publicar-texto span {
    display: block;
    font-size: 12px;
    color: var(--color-texto-tenue);
    line-height: 1.4;
}

.label-checkbox-publicar:has(input:checked) {
    background: rgba(0, 200, 100, 0.08);
    border-color: rgba(0, 200, 100, 0.4);
}

.label-checkbox-publicar:has(input:checked) .checkbox-publicar-texto strong {
    color: var(--color-exito-claro);
}

/* ---------- Botón "Eliminar Simulador" ---------- */

.btn-eliminar-simulador {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: var(--radio-md);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin-top: 0;
    margin-right: auto;
    font-family: inherit;
    background: rgba(233, 69, 96, 0.1);
    color: #ff8fa3;
    border: 1.5px solid rgba(233, 69, 96, 0.5);
    box-shadow: 0 0 0 0 rgba(233, 69, 96, 0), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: all var(--transicion-normal);
}

.btn-eliminar-simulador:hover {
    background: rgba(233, 69, 96, 0.25);
    border-color: #ff5c77;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(233, 69, 96, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-eliminar-simulador .icono-svg {
    width: 16px;
    height: 16px;
    margin: 0;
    transition: transform var(--transicion-normal);
}

.btn-eliminar-simulador:hover .icono-svg {
    transform: scale(1.15);
    animation: sacudidaPapelera 0.5s ease-in-out;
}

.btn-eliminar-simulador:focus-visible {
    outline: 2px solid var(--color-peligro);
    outline-offset: 3px;
}


/* ============================================================
   25. ANIMACIONES COMPARTIDAS
   ============================================================ */

@keyframes pulsoLogo {
    0%, 100% { opacity: 1;    transform: scale(1); }
    50%      { opacity: 0.75; transform: scale(1.08); }
}

@keyframes pulsoSoltar {
    0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
    50%      { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

@keyframes destelloAcierto {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 200, 100, 0.8);
        border-color: var(--color-exito);
        transform: scale(1);
    }
    40% {
        box-shadow: 0 0 0 20px rgba(0, 200, 100, 0);
        border-color: var(--color-exito-claro);
        transform: scale(1.06);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 200, 100, 0);
        border-color: rgba(0, 212, 255, 0.5);
        transform: scale(1);
    }
}

#zona-drop.acierto {
    animation: destelloAcierto 0.9s ease-out;
    border-style: solid;
}

@keyframes sacudidaError {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-10px); }
    30% { transform: translateX(10px); }
    45% { transform: translateX(-8px); }
    60% { transform: translateX(8px); }
    75% { transform: translateX(-4px); }
    90% { transform: translateX(4px); }
}

#zona-drop.error-shake {
    animation: sacudidaError 0.55s ease-in-out;
    border-color: var(--color-peligro);
    border-style: solid;
    background: rgba(233, 69, 96, 0.12);
}

@keyframes entraFeedback {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes entraPanelCirujano {
    from {
        opacity: 0;
        transform: translateX(-20px);
        border-left-width: 0;
    }
    to {
        opacity: 1;
        transform: translateX(0);
        border-left-width: 4px;
    }
}

@keyframes pulsoIAQ {
    0%   { transform: scale(1);    color: var(--color-primario); }
    50%  { transform: scale(1.25); color: var(--color-exito-claro); text-shadow: 0 0 20px rgba(0, 255, 136, 0.8); }
    100% { transform: scale(1);    color: var(--color-primario); }
}

@keyframes entraInstrumento {
    from { opacity: 0; transform: translateY(10px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes entraBarraProgreso {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes brilloBarra {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes pulsoIndicador {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.25); }
}

@keyframes pulsoTemporizador {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.12); }
}

@keyframes sacudidaPapelera {
    0%, 100% { transform: rotate(0deg); }
    25%      { transform: rotate(-8deg); }
    75%      { transform: rotate(8deg); }
}

@keyframes fadeInModal {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes subirModal {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeInPanel {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ============================================================
   26. DETALLES GLOBALES
   ============================================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(10, 30, 60, 0.4);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #2a3a54 0%, #1a2c4e 100%);
    border-radius: 6px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #00d4ff 0%, #0090b8 100%);
    background-clip: padding-box;
}

#estado-conexion {
    position: fixed;
    bottom: 16px;
    right: 16px;
    background: rgba(233, 69, 96, 0.15);
    border: 1px solid var(--color-peligro);
    color: #ff7a95;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    display: none;
    z-index: 9999;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

#estado-conexion.visible {
    display: flex;
    align-items: center;
    gap: 8px;
}


/* ============================================================
   27. RESPONSIVE GENERAL
   ============================================================ */

@media (max-width: 700px) {
    #contenido-anatomia { grid-template-columns: 1fr; }

    #clases-toolbar,
    #simuladores-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .buscador-clases,
    .filtro-categoria,
    .btn-nueva-clase-docente,
    .btn-accion-clases {
        width: 100%;
    }

    .lista-clases { grid-template-columns: 1fr; }

    .detalle-clase-acciones { justify-content: stretch; }

    .btn-editar-clase,
    .btn-eliminar-clase {
        flex: 1;
        justify-content: center;
    }

    .editor-acciones { flex-direction: column-reverse; }

    .editor-acciones .btn-secundario,
    .editor-acciones #btn-guardar-clase,
    .editor-acciones #btn-guardar-simulador,
    .editor-acciones .btn-vista-previa,
    .editor-acciones .btn-eliminar-simulador {
        width: 100%;
        justify-content: center;
        margin-right: 0;
    }

    .card-simulador-footer { flex-direction: column; align-items: flex-start; }

    /* Editor de pasos */
    .form-fila { grid-template-columns: 1fr; }

    .error-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .btn-eliminar-error {
        width: 100%;
        height: 32px;
    }

    .paso-acciones { flex-wrap: wrap; }

    .pasos-header {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-util {
        width: 100%;
        justify-content: center;
    }

    /* Preview del simulador */
    .preview-contenedor { padding: 12px; }
    .preview-content { padding: 20px 16px; }

    .preview-zona-drop {
        width: 240px;
        height: 150px;
    }

    .preview-lista-instrumentos {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .preview-instrumento {
        min-height: 85px;
        padding: 8px 6px;
    }

    .preview-instrumento-imagen {
        width: 42px;
        height: 42px;
    }

    .preview-instrumento-nombre { font-size: 10px; }

    .preview-reporte { grid-template-columns: 1fr; }

    .preview-reporte-item { padding: 12px 8px; }
    .preview-reporte-valor { font-size: 22px; }

    .preview-header {
        flex-direction: column;
        align-items: stretch;
    }

    .preview-cerrar {
        width: 100%;
        justify-content: center;
    }

    .preview-fin-acciones {
        flex-direction: column;
        width: 100%;
    }

    .preview-fin-acciones .btn-secundario,
    .preview-fin-acciones .btn-primario-modal {
        width: 100%;
        justify-content: center;
    }

    /* Simuladores publicados */
    .lista-simuladores-publicados { grid-template-columns: 1fr; }

    .label-checkbox-publicar {
        flex-direction: column;
        align-items: flex-start;
    }

    .checkbox-publicar-marca { margin-top: 0; }
}

@media (max-width: 600px) {
    .nav-btn {
        font-size: 11px;
        padding: 8px 10px;
    }

    .dashboard-bienvenida h1 { font-size: 24px; }

    #estadisticas-historial { grid-template-columns: 1fr; }

    #tabla-historial { font-size: 12px; }

    #tabla-historial th,
    #tabla-historial td {
        padding: 8px 10px;
    }

    .editor-toolbar {
        padding: 6px 8px;
        gap: 3px;
    }

    .toolbar-btn {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }

    .toolbar-separador { margin: 0 3px; }

    .editor-contenido {
        padding: 12px 14px;
        font-size: 14px;
        min-height: 200px;
    }

    .modal-tabs { padding: 0 12px; }

    .modal-tab {
        padding: 12px 12px;
        font-size: 11px;
    }

    .modal-body,
    .modal-header,
    .modal-footer {
        padding-left: 16px;
        padding-right: 16px;
    }

    .zona-archivo { padding: 24px 12px; }

    .checkbox-clase {
        width: 20px;
        height: 20px;
        top: 10px;
        left: 10px;
    }

    .card-clase { padding-left: 44px; }

    #importar-lista-previsualizacion,
    #importar-sim-lista-previsualizacion {
        max-height: 140px;
    }
}


/* ============================================================
   SELECCIÓN DE SIMULADORES PARA EXPORTAR
   ============================================================ */

/* El checkbox de selección reutiliza la clase .checkbox-clase existente.
   Solo necesitamos asegurar que la tarjeta de simulador tenga el padding correcto. */

.card-simulador {
    padding-left: 48px; /* espacio a la izquierda para el checkbox */
}

.card-simulador.seleccionado {
    border-color: var(--color-docente-claro);
    background: linear-gradient(145deg, rgba(122, 63, 255, 0.15) 0%, rgba(10, 30, 60, 0.85) 100%);
    box-shadow:
        0 0 0 2px rgba(122, 63, 255, 0.4),
        0 8px 25px rgba(122, 63, 255, 0.25);
}

/* Checkbox específico para simuladores: usa colores del modo docente (violeta) */
.card-simulador .checkbox-clase {
    border-color: rgba(122, 63, 255, 0.5);
}

.card-simulador .checkbox-clase::after {
    background: var(--color-docente-claro);
}

.card-simulador .checkbox-clase:hover {
    border-color: var(--color-docente-claro);
    background: rgba(122, 63, 255, 0.12);
    box-shadow: 0 0 12px rgba(122, 63, 255, 0.4);
}

.card-simulador .checkbox-clase:checked {
    border-color: var(--color-docente-claro);
    background: rgba(122, 63, 255, 0.22);
    box-shadow: 0 0 15px rgba(122, 63, 255, 0.6);
}

/* Botón "Exportar" de simuladores con selección activa */
#btn-exportar-simuladores.con-seleccion {
    background: linear-gradient(135deg, #7a3fff 0%, #5a2fbf 100%);
    color: #ffffff;
    border-color: transparent;
    box-shadow:
        0 4px 18px rgba(122, 63, 255, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

#btn-exportar-simuladores.con-seleccion:hover {
    background: linear-gradient(135deg, #8f5aff 0%, #6a3fdf 100%);
    box-shadow:
        0 8px 28px rgba(122, 63, 255, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Ocultar el botón "Seleccionar todas" cuando hay 0 o 1 simulador */
#btn-seleccionar-todas-simuladores.oculto {
    display: none;
}

/* En pantallas chicas, la tarjeta se adapta */
@media (max-width: 600px) {
    .card-simulador {
        padding-left: 44px;
    }
}


/* ============================================================
   SELECTOR DE DIFICULTAD (D1)
   ============================================================ */

.dificultad-selector {
    margin: 28px auto 8px auto;
    max-width: 700px;
}

.dificultad-titulo {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-texto-tenue);
    text-align: center;
    margin-bottom: 14px;
}

.dificultad-opciones {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.dificultad-opcion {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 16px 12px;
    background: rgba(10, 30, 60, 0.6);
    border: 1.5px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radio-md);
    color: var(--color-texto-suave);
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
    font-family: inherit;
    margin: 0;
    transition: all var(--transicion-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 110px;
}

.dificultad-opcion:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.5);
    color: var(--color-primario);
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 212, 255, 0.2);
}

.dificultad-opcion.activo {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.18) 0%, rgba(0, 137, 179, 0.15) 100%);
    border-color: var(--color-primario);
    color: #e6f8ff;
    box-shadow:
        0 0 0 2px rgba(0, 212, 255, 0.3),
        0 8px 24px rgba(0, 212, 255, 0.3);
}

.dificultad-opcion.activo::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-primario);
    color: var(--color-fondo-oscuro);
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.7);
}

.dificultad-icono {
    width: 28px;
    height: 28px;
    stroke-width: 2;
    color: inherit;
    margin-bottom: 4px;
    transition: transform var(--transicion-normal);
}

.dificultad-opcion:hover .dificultad-icono {
    transform: scale(1.15);
}

.dificultad-opcion strong {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: inherit;
    margin-bottom: 2px;
}

.dificultad-opcion span {
    font-size: 11px;
    line-height: 1.35;
    color: var(--color-texto-tenue);
    font-weight: 500;
}

.dificultad-opcion.activo span {
    color: #b0e4ff;
}

/* Colores específicos por nivel */
.dificultad-opcion[data-nivel="facil"].activo {
    background: linear-gradient(135deg, rgba(0, 200, 100, 0.18) 0%, rgba(0, 150, 80, 0.12) 100%);
    border-color: var(--color-exito);
    box-shadow:
        0 0 0 2px rgba(0, 200, 100, 0.3),
        0 8px 24px rgba(0, 200, 100, 0.3);
}

.dificultad-opcion[data-nivel="facil"].activo::after {
    background: var(--color-exito);
    box-shadow: 0 0 12px rgba(0, 200, 100, 0.7);
}

.dificultad-opcion[data-nivel="dificil"].activo {
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.18) 0%, rgba(180, 40, 70, 0.12) 100%);
    border-color: var(--color-peligro);
    box-shadow:
        0 0 0 2px rgba(233, 69, 96, 0.3),
        0 8px 24px rgba(233, 69, 96, 0.3);
}

.dificultad-opcion[data-nivel="dificil"].activo::after {
    background: var(--color-peligro);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(233, 69, 96, 0.7);
}

/* ---------- Badge de dificultad en la simulación ---------- */

.badge-nivel-simulacion {
    display: inline-block;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 2px 8px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-primario);
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: 10px;
    margin-left: 8px;
    vertical-align: middle;
}

.badge-nivel-simulacion.facil {
    background: rgba(0, 200, 100, 0.15);
    color: #4dffa0;
    border-color: rgba(0, 200, 100, 0.4);
}

.badge-nivel-simulacion.dificil {
    background: rgba(233, 69, 96, 0.15);
    color: #ff8fa3;
    border-color: rgba(233, 69, 96, 0.4);
}

/* ---------- Pista visual en modo Fácil ---------- */

/* Añade un pequeño check verde a la esquina del instrumento correcto */
.instrumento.es-correcto::after {
    content: '✓';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00c864 0%, #008a44 100%);
    color: #ffffff;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 12px rgba(0, 200, 100, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    z-index: 10;
    animation: pulsoPista 2s ease-in-out infinite;
}

@keyframes pulsoPista {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 12px rgba(0, 200, 100, 0.7);
    }
    50% {
        transform: scale(1.12);
        box-shadow: 0 0 20px rgba(0, 200, 100, 0.9);
    }
}

.instrumento.es-correcto {
    border-color: rgba(0, 200, 100, 0.5) !important;
}

.instrumento.es-correcto:hover {
    border-color: var(--color-exito) !important;
    box-shadow:
        0 10px 25px rgba(0, 200, 100, 0.4),
        0 0 30px rgba(0, 255, 136, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.15) !important;
}

/* ---------- Responsive del selector ---------- */

@media (max-width: 700px) {
    .dificultad-opciones {
        grid-template-columns: 1fr;
    }

    .dificultad-opcion {
        flex-direction: row;
        text-align: left;
        justify-content: flex-start;
        gap: 14px;
        min-height: auto;
        padding: 14px 16px;
    }

    .dificultad-icono {
        margin-bottom: 0;
    }

    .dificultad-opcion strong {
        margin-bottom: 0;
    }
}


/* ============================================================
   LECTURA POR VOZ (D2)
   ============================================================ */

/* ---------- Toggle de voz en el header ---------- */

.toggle-voz {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(122, 63, 255, 0.05);
    border: 1px solid rgba(122, 63, 255, 0.2);
    transition: all 0.2s ease;
    margin-right: 8px;
}

.toggle-voz:hover {
    background: rgba(122, 63, 255, 0.12);
    border-color: rgba(122, 63, 255, 0.4);
}

.toggle-voz input { display: none; }

.toggle-voz-icono {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    color: var(--color-docente-claro);
    transition: all 0.25s ease;
    position: relative;
}

.toggle-voz-icono .icono-svg {
    width: 16px;
    height: 16px;
    stroke-width: 2.2;
}

/* Cuando la voz está desactivada: icono gris, sin ondas */
.toggle-voz input:not(:checked) ~ .toggle-voz-icono {
    color: var(--color-texto-tenue);
    opacity: 0.5;
}

.toggle-voz input:not(:checked) ~ .toggle-voz-icono .icono-svg path {
    opacity: 0;
}

/* Cuando la voz está activada: icono violeta con animación */
.toggle-voz input:checked ~ .toggle-voz-icono {
    color: var(--color-docente-claro);
    filter: drop-shadow(0 0 6px rgba(176, 136, 255, 0.7));
    animation: pulsoVoz 2s ease-in-out infinite;
}

@keyframes pulsoVoz {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.08); opacity: 0.85; }
}

.toggle-voz-texto {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-texto-tenue);
    transition: color 0.2s ease;
    white-space: nowrap;
}

.toggle-voz input:checked ~ .toggle-voz-texto {
    color: var(--color-docente-claro);
}

/* ---------- Botón "Leer clase" en el detalle ---------- */

.btn-leer-clase {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radio-md);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    cursor: pointer;
    margin: 0;
    transition: all var(--transicion-normal);
    font-family: inherit;
    border: 1.5px solid;
    background: rgba(122, 63, 255, 0.1);
    color: var(--color-docente-claro);
    border-color: rgba(122, 63, 255, 0.5);
}

.btn-leer-clase:hover {
    background: rgba(122, 63, 255, 0.25);
    border-color: var(--color-docente-claro);
    color: #e0d0ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(122, 63, 255, 0.4);
}

.btn-leer-clase.leyendo {
    background: linear-gradient(135deg, #7a3fff 0%, #5a2fbf 100%);
    color: #ffffff;
    box-shadow: 0 6px 22px rgba(122, 63, 255, 0.5);
    animation: pulsoLeer 1.5s ease-in-out infinite;
}

@keyframes pulsoLeer {
    0%, 100% { box-shadow: 0 6px 22px rgba(122, 63, 255, 0.5); }
    50%      { box-shadow: 0 6px 30px rgba(122, 63, 255, 0.8); }
}

.btn-leer-clase .icono-svg {
    width: 15px;
    height: 15px;
    margin: 0;
    transition: transform var(--transicion-normal);
}

.btn-leer-clase:hover .icono-svg {
    transform: scale(1.15);
}

/* ---------- Botón flotante "Detener voz" ---------- */

.btn-detener-voz {
    position: fixed;
    bottom: 20px;
    left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #e94560 0%, #a02a42 100%);
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    cursor: pointer;
    margin: 0;
    z-index: 7000;
    font-family: inherit;
    box-shadow:
        0 8px 25px rgba(233, 69, 96, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: apareceBotonVoz 0.3s ease-out;
    transition: all var(--transicion-normal);
}

@keyframes apareceBotonVoz {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.btn-detener-voz:hover {
    background: linear-gradient(135deg, #ff5c77 0%, #c03550 100%);
    transform: translateY(-2px);
    box-shadow:
        0 12px 30px rgba(233, 69, 96, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-detener-voz .icono-svg {
    width: 14px;
    height: 14px;
    margin: 0;
    fill: currentColor;
    stroke: none;
}

/* ---------- Indicador de lectura activa en el panel del cirujano ---------- */

#panel-cirujano.hablando {
    border-left-color: var(--color-docente-claro);
    box-shadow:
        0 0 25px rgba(122, 63, 255, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

#panel-cirujano.hablando::after {
    content: '🔊';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 18px;
    animation: pulsoVoz 1s ease-in-out infinite;
    z-index: 10;
}

/* Ocultar el icono de altavoz por defecto cuando el panel está hablando */
#panel-cirujano.hablando::before {
    opacity: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .toggle-voz-texto {
        display: none;
    }

    .toggle-voz {
        padding: 6px 8px;
    }
}

@media (max-width: 600px) {
    .btn-detener-voz {
        bottom: 16px;
        left: 16px;
        padding: 10px 16px;
        font-size: 11px;
    }
}


/* ============================================================
   28. SOPORTE TÁCTIL (FASE 1 — NUEVO)

   Sistema híbrido:
   - En desktop con mouse: se usa drag & drop (ya existente).
   - En tablet/celular (touch): se toca el instrumento para
     seleccionarlo y luego se toca la zona de entrega.

   La detección se hace en CSS con media queries y en JS con
   matchMedia('(hover: none) and (pointer: coarse)').
   ============================================================ */

/* ---------- Instrumento seleccionado por tap ---------- */

.instrumento.tap-seleccionado {
    border-color: var(--color-primario);
    background: linear-gradient(145deg, rgba(0, 212, 255, 0.18) 0%, rgba(0, 137, 179, 0.12) 100%);
    box-shadow:
        0 0 0 3px rgba(0, 212, 255, 0.35),
        0 10px 28px rgba(0, 212, 255, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-4px) scale(1.03);
    animation: pulsoTapSeleccion 1.8s ease-in-out infinite;
}

.instrumento.tap-seleccionado .instrumento-nombre {
    color: var(--color-primario);
}

@keyframes pulsoTapSeleccion {
    0%, 100% {
        box-shadow:
            0 0 0 3px rgba(0, 212, 255, 0.35),
            0 10px 28px rgba(0, 212, 255, 0.45);
    }
    50% {
        box-shadow:
            0 0 0 5px rgba(0, 212, 255, 0.5),
            0 10px 32px rgba(0, 212, 255, 0.6);
    }
}

/* ---------- Zona de entrega esperando tap ---------- */

#zona-drop.esperando-tap {
    border-color: var(--color-primario);
    box-shadow:
        0 0 0 2px rgba(0, 212, 255, 0.4),
        0 0 30px rgba(0, 212, 255, 0.5),
        inset 0 0 60px rgba(0, 212, 255, 0.15);
}

#zona-drop.esperando-tap::after {
    content: '👆 TOCÁ AQUÍ PARA ENTREGAR';
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-primario);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-shadow: 0 0 12px rgba(0, 212, 255, 0.9);
    pointer-events: none;
    z-index: 4;
    animation: pulsoSoltarTap 1.2s ease-in-out infinite;
    white-space: nowrap;
}

@keyframes pulsoSoltarTap {
    0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
    50%      { opacity: 1; transform: translateX(-50%) scale(1.06); }
}

/* En desktop con mouse, el hint cambia (ahí se usa drag & drop) */
@media (hover: hover) and (pointer: fine) {
    #zona-drop.esperando-tap::after {
        content: '⬇ SOLTAR AQUÍ';
    }
}

/* ---------- Hint táctil bajo la mesa ---------- */

.hint-tactil {
    display: none;
    margin-top: 12px;
    padding: 10px 14px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px dashed rgba(0, 212, 255, 0.35);
    border-radius: var(--radio-md);
    color: #7ad4ff;
    font-size: 12px;
    text-align: center;
    letter-spacing: 0.4px;
    line-height: 1.5;
}

.hint-tactil strong {
    color: var(--color-primario);
    font-weight: 700;
}

/* El hint solo se muestra en dispositivos táctiles */
@media (hover: none) and (pointer: coarse) {
    .hint-tactil {
        display: block;
    }

    /* Añade pista textual al título "Zona de entrega" */
    #area-mano > p::after {
        content: ' (tocá para entregar)';
        opacity: 0.6;
        font-weight: 400;
        text-transform: none;
        letter-spacing: 0.4px;
    }
}

/* ---------- Mejoras de usabilidad táctil ---------- */

/* En dispositivos táctiles: los instrumentos tienen un tap target
   más cómodo (mínimo recomendado por WCAG: 44×44 px). */
@media (hover: none) and (pointer: coarse) {
    .instrumento {
        min-height: 130px;
        padding: 16px 12px;
        cursor: pointer; /* En táctil, "pointer" es más claro que "grab" */
        -webkit-tap-highlight-color: transparent;
    }

    .instrumento:active {
        transform: scale(0.96);
        cursor: pointer;
    }

    /* Desactivar el hover "flotante" en táctil, se siente raro */
    .instrumento:hover {
        transform: none;
    }

    /* La zona de drop también es más grande y cómoda */
    #zona-drop {
        width: 90%;
        max-width: 380px;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    /* Los botones generales ganan un poco más de padding en táctil */
    .nav-btn {
        padding: 12px 16px;
    }

    /* Evitar scroll accidental durante el tap en la zona */
    #zona-drop,
    .instrumento {
        touch-action: manipulation;
    }
}

/* ---------- Modo Evaluación / Tablet horizontal ---------- */

@media (hover: none) and (pointer: coarse) and (min-width: 768px) {
    /* En tablets grandes, la mesa puede mostrar más columnas */
    #lista-instrumentos {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    #zona-drop {
        width: 380px;
        height: 240px;
    }
}