/**
 * Estilos Oficiales - trad_test (Evaluación de Traducción)
 * LeMo CAD - Escuela de Lenguas Modernas - Universidad de Costa Rica
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --deep-sea: #001226;
    --ucr-blue: #0066B2;
    --tech-gray: #D1D3D4;
    --interface-gray: #58595B;
    --glow-blue: #00d4ff;
    --glow-cyan: #0df;
    --text-main: #f0f0fa;
    --text-muted: #9aa0a6;
    
    --surface-bg: #001226;
    --surface-card: rgba(0, 24, 52, 0.75);
    --surface-card-hover: rgba(0, 36, 75, 0.85);
    --surface-header: rgba(0, 18, 38, 0.95);
    
    --border-subtle: rgba(0, 102, 178, 0.25);
    --border-glow: rgba(0, 212, 255, 0.4);
    
    --success: #2ed573;
    --warning: #ffa502;
    --danger: #ff4757;
    --danger-glow: rgba(255, 71, 87, 0.4);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--deep-sea);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Fondo con cuadrícula Sci-Fi LeMo */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 102, 178, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 178, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
}

/* Efecto de escaneo superior */
.scanner-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--glow-blue), transparent);
    box-shadow: 0 0 10px var(--glow-blue);
    z-index: 9999;
}

/* -------------------------------------------------------------
 * HEADER INSTITUCIONAL LE-MO UCR
 * ------------------------------------------------------------- */
.lemo-header {
    background: var(--surface-header);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem 5%;
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.brand-logos {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    height: 48px;
    object-fit: contain;
    filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.2));
}

.brand-text {
    border-left: 2px solid var(--ucr-blue);
    padding-left: 1rem;
}

.brand-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--glow-blue);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.85rem;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 102, 178, 0.2);
    border: 1px solid var(--border-subtle);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

/* -------------------------------------------------------------
 * LAYOUT PRINCIPAL Y CONTENEDORES
 * ------------------------------------------------------------- */
.app-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.bento-card {
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.bento-card:hover {
    border-color: var(--border-glow);
}

.bento-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--glow-blue);
    box-shadow: 0 0 8px var(--glow-blue);
}

/* -------------------------------------------------------------
 * BOTONES Y ELEMENTOS INTERACTIVOS HUD
 * ------------------------------------------------------------- */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--ucr-blue), #004d88);
    color: #fff;
    border: 1px solid var(--glow-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #0077d1, var(--ucr-blue));
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    transform: translateY(-1px);
}

.btn-glow {
    background: var(--glow-blue);
    color: var(--deep-sea);
    font-weight: 700;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.btn-glow:hover:not(:disabled) {
    background: #4de2ff;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.8);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, #c0392b, var(--danger));
    color: #fff;
    border: 1px solid rgba(255, 71, 87, 0.5);
    box-shadow: 0 0 15px var(--danger-glow);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    box-shadow: 0 0 25px rgba(255, 71, 87, 0.7);
}

.btn-warning {
    background: linear-gradient(135deg, #d38b00, var(--warning));
    color: #0b1528;
    border: 1px solid rgba(255, 165, 2, 0.6);
    box-shadow: 0 0 15px rgba(255, 165, 2, 0.3);
    font-weight: 700;
}

.btn-warning:hover:not(:disabled) {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    box-shadow: 0 0 25px rgba(255, 165, 2, 0.6);
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glow);
    color: var(--glow-blue);
}

.btn-outline:hover:not(:disabled) {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--glow-blue);
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

/* -------------------------------------------------------------
 * FORMULARIOS Y ENTRADAS HUD
 * ------------------------------------------------------------- */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--tech-gray);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1.1rem;
    background: rgba(0, 15, 32, 0.8);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.25s ease;
}

.form-control:focus {
    border-color: var(--glow-blue);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.25);
    background: rgba(0, 20, 42, 0.9);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300d4ff' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 14px;
}

/* -------------------------------------------------------------
 * VISTA DE EXAMEN / REPRODUCTOR Y TIMERS
 * ------------------------------------------------------------- */
.exam-header-hud {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 18, 38, 0.7);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.hud-step-badge {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--glow-blue);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.hud-student-info {
    font-size: 0.9rem;
    color: var(--tech-gray);
}

/* Contenedor del Video Item 1 (Sin manipulación) */
.video-wrapper-strict {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto 1.5rem auto;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    border: 2px solid var(--border-subtle);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.video-wrapper-strict video {
    width: 100%;
    display: block;
    pointer-events: none; /* Previene clicks, pausas y scrub */
}

/* Capa transparente de bloqueo total */
.video-blocker-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    cursor: default;
    background: transparent;
}

/* Barra de progreso de video estrictamente informativa */
.video-progress-container {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    width: 100%;
}

.video-progress-fill {
    height: 100%;
    background: var(--glow-blue);
    box-shadow: 0 0 10px var(--glow-blue);
    width: 0%;
    transition: width 0.1s linear;
}

/* Contenedor de Imagen o Texto */
.stimulus-display-card {
    background: rgba(0, 18, 38, 0.8);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.stimulus-image {
    max-width: 100%;
    max-height: 520px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

.stimulus-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-main);
    text-align: left;
    white-space: pre-wrap;
    padding: 1.5rem;
    background: rgba(0, 10, 22, 0.6);
    border-left: 4px solid var(--glow-blue);
    border-radius: var(--radius-sm);
}

/* -------------------------------------------------------------
 * CRONÓMETROS Y ESTADOS DE GRABACIÓN
 * ------------------------------------------------------------- */
.timer-hero-box {
    text-align: center;
    padding: 1.5rem;
    margin-bottom: 2rem;
    background: rgba(0, 15, 32, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.timer-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--glow-blue);
    margin-bottom: 0.5rem;
}

.timer-digits {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: #fff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

.timer-digits.urgent {
    color: var(--danger);
    text-shadow: 0 0 25px rgba(255, 71, 87, 0.8);
    animation: pulseAlert 1s infinite alternate;
}

@keyframes pulseAlert {
    from { opacity: 0.8; transform: scale(1); }
    to { opacity: 1; transform: scale(1.03); }
}

/* Panel de Grabación de Voz */
.recording-active-panel {
    background: rgba(30, 5, 10, 0.5);
    border: 2px solid var(--danger);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 0 40px rgba(255, 71, 87, 0.25);
    margin: 1.5rem 0;
}

.recording-status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1.5rem;
}

.rec-pulse-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--danger);
    box-shadow: 0 0 15px var(--danger);
    animation: liveRecPulse 1.2s infinite;
}

@keyframes liveRecPulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 25px var(--danger); }
    100% { transform: scale(0.9); opacity: 0.7; }
}

/* VU Meter / Nivel de Audio */
.vu-meter-container {
    width: 100%;
    max-width: 450px;
    height: 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    margin: 1.5rem auto;
    overflow: hidden;
}

.vu-meter-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--success), var(--warning) 70%, var(--danger) 90%);
    box-shadow: 0 0 10px rgba(46, 213, 115, 0.5);
    transition: width 0.05s ease-out;
}

/* -------------------------------------------------------------
 * PROBADOR DE MICRÓFONO (Bienvenida)
 * ------------------------------------------------------------- */
.mic-test-widget {
    background: rgba(0, 15, 32, 0.7);
    border: 1px dashed var(--border-glow);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.mic-status-msg {
    font-size: 0.9rem;
    font-weight: 500;
}

.mic-ready {
    color: var(--success);
}

.mic-not-ready {
    color: var(--warning);
}

/* -------------------------------------------------------------
 * MODALES Y DIÁLOGOS
 * ------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 10, 20, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: var(--deep-sea);
    border: 2px solid var(--glow-blue);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 550px;
    padding: 2.5rem;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.3);
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

/* -------------------------------------------------------------
 * TABLAS Y ELEMENTOS DEL PANEL PROFESOR
 * ------------------------------------------------------------- */
.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 1rem;
}

.admin-table th {
    background: rgba(0, 18, 38, 0.9);
    color: var(--glow-blue);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid var(--border-glow);
}

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9rem;
    background: rgba(0, 15, 30, 0.4);
}

.admin-table tr:hover td {
    background: rgba(0, 25, 50, 0.6);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 4px;
}

.badge-success {
    background: rgba(46, 213, 115, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
}

.badge-warning {
    background: rgba(255, 165, 2, 0.15);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.badge-danger {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.badge-info {
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid var(--glow-blue);
    color: var(--glow-blue);
}

/* Tabs para el panel docente */
.tab-nav {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 2rem;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--tech-gray);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.8rem 1.4rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.tab-btn:hover {
    color: var(--glow-blue);
}

.tab-btn.active {
    color: var(--glow-blue);
    border-bottom-color: var(--glow-blue);
    background: rgba(0, 212, 255, 0.05);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 11000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: rgba(0, 18, 38, 0.95);
    border: 1px solid var(--border-glow);
    border-left: 4px solid var(--glow-blue);
    border-radius: var(--radius-sm);
    padding: 1rem 1.5rem;
    color: #fff;
    font-size: 0.9rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    animation: toastIn 0.3s ease;
}

.toast.error {
    border-left-color: var(--danger);
}

.toast.success {
    border-left-color: var(--success);
}

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    .brand-section {
        flex-direction: column;
    }
    .brand-text {
        border-left: none;
        padding-left: 0;
    }
    .timer-digits {
        font-size: 2.5rem;
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spin {
    display: inline-block;
    animation: spin 1s linear infinite;
}