/* Tira, Separa y Gana - Estilos de Alta Fidelidad */
:root {
    --bg-dark: #070b13;
    --card-bg: rgba(22, 27, 46, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    
    --primary-color: #00c3ff;
    --primary-glow: rgba(0, 195, 255, 0.45);
    --accent-color: #48bb78;
    --accent-glow: rgba(72, 187, 120, 0.45);
    --warning-color: #ff3b3b;
    --warning-glow: rgba(255, 59, 59, 0.45);
    --orange-color: #ffaa00;
    --orange-glow: rgba(255, 170, 0, 0.45);
    
    --text-color: #f3f4f6;
    --text-secondary: #7e8b9f;
    --font-main: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 20% 15%, rgba(0, 195, 255, 0.14) 0%, transparent 45%),
        radial-gradient(circle at 80% 20%, rgba(0, 255, 136, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 50% 85%, rgba(139, 92, 246, 0.14) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, #1a2a4a 0%, #0d1830 55%, #0a1224 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cpath fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1' d='M14 0 L28 8 L28 24 L14 32 L0 24 L0 8 Z M14 49 L28 41 L28 25 L14 17 L0 25 L0 41 Z'/%3E%3C/svg%3E");
    color: var(--text-color);
    font-family: var(--font-main);
    padding: 2rem;
    overflow-x: hidden;
    line-height: 1.4;
}

/* ==========================================================================
   FONDO VIVO ANIMADO (Canvas reactivo a la música)
   ========================================================================== */
#living-background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 1;
}

/* Asegurar que el contenido del juego quede por encima del fondo vivo */
.app-layout,
.teacher-drawer,
.ranking-modal-overlay,
.vector-overlay {
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   BOTÓN FLOTANTE: SALIR DEL JUEGO (esquina superior derecha)
   ========================================================================== */
.exit-game-fab {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 99999999;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 30px;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    background: rgba(15, 20, 40, 0.85);
    backdrop-filter: blur(16px);
    color: #e2e8f0;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    letter-spacing: 0.3px;
}

.exit-game-fab:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: #fca5a5;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.25), 0 0 0 1px rgba(239, 68, 68, 0.15) inset;
}

.exit-game-fab i {
    width: 16px;
    height: 16px;
}

.exit-fab-label {
    display: inline;
}

@media (max-width: 768px) {
    .exit-fab-label {
        display: none;
    }
    .exit-game-fab {
        padding: 8px 10px;
        border-radius: 50%;
    }
}

/* ==========================================================================
   INTERACTIVIDAD DE MOUSE (Hover agradable + Parallax 3D)
   ========================================================================== */

/* Tarjetas con inclinación 3D al mover el mouse */
.tilt-card {
    transition: transform 0.18s ease-out, box-shadow 0.25s ease;
    transform-style: preserve-3d;
    will-change: transform;
}

.tilt-card:hover {
    box-shadow: 0 18px 45px rgba(0, 195, 255, 0.22), 0 0 25px rgba(0, 255, 136, 0.12);
}

/* Brillo que sigue al cursor dentro de las tarjetas */
.card-shine {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    pointer-events: none;
    background: radial-gradient(220px circle at var(--shine-x, 50%) var(--shine-y, 50%),
        rgba(255, 255, 255, 0.14), transparent 65%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.tilt-card:hover .card-shine {
    opacity: 1;
}

/* Casillas del tablero: elevación y pulso al pasar el mouse */
.board-cell {
    transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.22s ease, filter 0.22s ease;
    cursor: pointer;
}

.board-cell:hover {
    transform: translateY(-6px) scale(1.06);
    filter: brightness(1.25);
    z-index: 15;
}

.board-cell:hover .cell-eco-badge {
    animation: badge-wiggle 0.5s ease-in-out;
}

@keyframes badge-wiggle {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(-12deg) scale(1.2); }
    75% { transform: rotate(12deg) scale(1.2); }
}

/* Botones de canecas: sacudida divertida al hover */
.caneca-action-btn {
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}

.caneca-action-btn:hover {
    transform: translateY(-5px) scale(1.05);
    animation: caneca-jiggle 0.4s ease-in-out;
}

.caneca-blanca:hover { box-shadow: 0 10px 25px rgba(255, 255, 255, 0.35); }
.caneca-verde:hover { box-shadow: 0 10px 25px rgba(72, 187, 120, 0.5); }
.caneca-negra:hover { box-shadow: 0 10px 25px rgba(255, 100, 100, 0.4); }

@keyframes caneca-jiggle {
    0%, 100% { rotate: 0deg; }
    30% { rotate: -2.5deg; }
    70% { rotate: 2.5deg; }
}

/* Botones generales: rebote elástico al hover */
.btn, .roll-btn, .action-btn, .splash-start-btn, .next-turn-lively-btn {
    transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover, .action-btn:hover {
    transform: translateY(-2px) scale(1.04);
}

.btn:active, .action-btn:active, .roll-btn:active {
    transform: translateY(1px) scale(0.97);
}

/* Items de la lista de jugadores: deslizamiento al hover */
.player-item {
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
    border-radius: 10px;
}

.player-item:hover {
    transform: translateX(6px);
    background-color: rgba(0, 195, 255, 0.08);
    box-shadow: -3px 0 0 var(--primary-color);
}

/* Avatares de jugador: giro al hover */
.player-avatar-circle {
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.player-item:hover .player-avatar-circle {
    transform: rotate(360deg) scale(1.15);
}

/* Dado: temblor de emoción al pasar el mouse */
.isometric-dice-wrapper {
    transition: transform 0.25s ease;
    cursor: pointer;
}

.isometric-dice-wrapper:hover {
    transform: scale(1.1);
    animation: dice-excited-shake 0.45s ease-in-out;
}

@keyframes dice-excited-shake {
    0%, 100% { rotate: 0deg; }
    20% { rotate: -6deg; }
    40% { rotate: 6deg; }
    60% { rotate: -4deg; }
    80% { rotate: 4deg; }
}

/* Tarjeta del residuo: flotación al hover */
.waste-photo-card {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.waste-photo-card:hover {
    transform: translateY(-8px) scale(1.04) rotate(-1.5deg);
    box-shadow: 0 16px 40px rgba(0, 195, 255, 0.3);
}

/* Filas de tablas CRUD: resaltado deslizante */
.crud-table tbody tr {
    transition: background-color 0.18s ease, transform 0.18s ease;
}

.crud-table tbody tr:hover {
    background-color: rgba(0, 255, 136, 0.07);
    transform: scale(1.01);
}

/* Títulos de marca: brillo ondulante al hover */
.brand-title h2 {
    transition: text-shadow 0.3s ease, transform 0.3s ease;
    cursor: default;
}

.brand-title h2:hover {
    text-shadow: 0 0 25px var(--primary-glow), 0 0 45px var(--accent-glow);
    transform: scale(1.03);
}

/* Inputs: elevación suave al enfocar */
input, textarea, select {
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

input:focus, textarea:focus, select:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 195, 255, 0.25);
}

/* ==========================================================================
   TOOLTIPS ELEGANTES — Sugerencias hover en campos de formulario
   ========================================================================== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    background: linear-gradient(145deg, rgba(15, 25, 50, 0.97) 0%, rgba(10, 18, 38, 0.98) 100%);
    color: #e2e8f0;
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 400;
    line-height: 1.45;
    white-space: normal;
    max-width: 280px;
    min-width: 180px;
    text-align: left;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    border: 1px solid rgba(0, 195, 255, 0.35);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 195, 255, 0.15) inset, 0 0 30px rgba(0, 195, 255, 0.15);
    backdrop-filter: blur(20px);
    letter-spacing: 0.2px;
}

[data-tooltip]::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    border: 7px solid transparent;
    border-top-color: rgba(0, 195, 255, 0.35);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
}

[data-tooltip]:hover::after,
[data-tooltip]:focus-within::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

[data-tooltip]:hover::before,
[data-tooltip]:focus-within::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Tooltip con ícono incluido (usando data-tooltip-icon) */
[data-tooltip-icon]::after {
    content: attr(data-tooltip-icon) ' ' attr(data-tooltip);
}

/* Ajuste para tooltips cerca del borde derecho de la pantalla */
@media (max-width: 600px) {
    [data-tooltip]::after {
        max-width: 220px;
        min-width: 140px;
        font-size: 0.7rem;
    }
}

/* Indicador de campo editable: sutil borde punteado al hover */
.editable-hint {
    position: relative;
}

.editable-hint:hover {
    border-color: rgba(0, 195, 255, 0.4) !important;
}

/* Badge "editable" en tablas */
.editable-badge {
    display: inline-block;
    font-size: 0.55rem;
    padding: 1px 6px;
    border-radius: 10px;
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.25);
    margin-left: 6px;
    vertical-align: middle;
    cursor: default;
    user-select: none;
}

.editable-badge::before {
    content: '✎ ';
    font-size: 0.5rem;
}

/* ==========================================================================
   PANEL DE CONFIGURACIÓN CON PESTAÑAS (TEACHER DASHBOARD)
   ========================================================================== */
.config-tabs-bar {
    display: flex;
    gap: 4px;
    margin: 0.75rem 0 1rem;
    background: rgba(0, 0, 0, 0.5);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
}

.config-tab-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 0.5rem 0.2rem;
    background: transparent;
    border: none;
    border-radius: 9px;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.config-tab-btn i, .config-tab-btn svg {
    width: 16px;
    height: 16px;
}

.config-tab-btn:hover {
    color: #fff;
    background: rgba(0, 195, 255, 0.12);
    transform: translateY(-2px);
}

.config-tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 195, 255, 0.25), rgba(0, 255, 136, 0.18));
    color: #fff;
    box-shadow: 0 0 12px rgba(0, 195, 255, 0.3), inset 0 0 8px rgba(255,255,255,0.05);
}

.config-tab-panel {
    display: none;
    animation: tab-panel-fade-in 0.3s ease;
}

.config-tab-panel.active {
    display: block;
}

@keyframes tab-panel-fade-in {
    0% { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Tarjetas de sección dentro de cada pestaña */
.config-section-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 0.85rem;
    margin-bottom: 0.85rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.config-section-card:hover {
    border-color: rgba(0, 195, 255, 0.4);
    box-shadow: 0 4px 18px rgba(0, 195, 255, 0.12);
}

.config-section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.config-section-title i, .config-section-title svg {
    width: 15px;
    height: 15px;
    color: var(--primary-color);
}

.config-hint {
    font-size: 0.68rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-top: 0.5rem;
}

.schema-viewer-box {
    width: 100%;
    font-family: monospace;
    font-size: 0.65rem;
    background: rgba(0, 0, 0, 0.5);
    color: #00ff88;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 6px;
    resize: vertical;
}

/* ==========================================================================
   CRUD DE AUDIO: Sliders, Toggles y Selects
   ========================================================================== */
.audio-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    margin: 6px 0 10px;
}

.audio-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
    cursor: pointer;
    transition: transform 0.15s ease;
}

.audio-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.audio-select {
    width: 100%;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 0.4rem 0.5rem;
    font-size: 0.7rem;
    margin: 4px 0 10px;
    cursor: pointer;
}

.audio-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 195, 255, 0.25);
    outline: none;
}

.sound-toggles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
}

.sound-toggle-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.35rem 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.sound-toggle-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(0, 195, 255, 0.2);
}

.sound-toggle-item .toggle-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.sound-toggle-item.enabled .toggle-indicator {
    background: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 6px var(--accent-glow);
}

.sound-toggle-item .toggle-label {
    font-size: 0.62rem;
    color: #ccc;
    transition: color 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sound-toggle-item.enabled .toggle-label {
    color: #fff;
}

.sound-toggle-item .toggle-preview {
    font-size: 0.55rem;
    color: var(--primary-color);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    margin-left: auto;
    flex-shrink: 0;
}

.sound-toggle-item .toggle-preview:hover {
    opacity: 1;
}

/* ==========================================================================
   PANTALLA GESTOR DE PROYECTOS (Crear / Cargar / Eliminar)
   ========================================================================== */
.project-manager-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(160deg, #0a0f1e 0%, #0d1830 40%, #0f1a35 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300000;
    overflow: hidden;
}

/* Canvas de fondo vivo del gestor de proyectos */
.pm-bg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.project-manager-card {
    position: relative;
    z-index: 1;
    background: rgba(13, 20, 38, 0.92);
    border: 2px solid rgba(0, 195, 255, 0.3);
    border-radius: 28px;
    padding: 2rem 2.5rem;
    width: 95%;
    max-width: 680px;
    max-height: 92vh;
    overflow-y: auto;
    text-align: center;
    box-shadow: 0 0 60px rgba(0, 195, 255, 0.15), 0 0 20px rgba(0, 255, 136, 0.08);
    animation: scale-up-modal 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pm-header {
    margin-bottom: 1.2rem;
}

.pm-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.15;
    text-transform: uppercase;
    text-shadow: 0 0 20px var(--primary-glow);
}

.pm-title.green-text {
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-glow);
}

.pm-subtitle {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.pm-prae-intro {
    margin: 0.75rem auto 0;
    max-width: 560px;
    padding: 0.65rem 0.8rem;
    border-left: 3px solid var(--accent-color);
    border-radius: 0 10px 10px 0;
    background: rgba(0, 255, 136, 0.06);
    color: var(--text-secondary);
    font-size: 0.72rem;
    line-height: 1.45;
    text-align: left;
}

.pm-prae-intro strong {
    color: var(--accent-color);
}

/* Botón crear proyecto */
.pm-btn {
    width: 100%;
    padding: 0.9rem;
    border-radius: 16px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 2px dashed rgba(0, 255, 136, 0.35);
    background: rgba(0, 255, 136, 0.06);
    color: var(--accent-color);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.pm-btn:hover {
    background: rgba(0, 255, 136, 0.14);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.2);
}

/* Botón de Proyecto Demo */
.pm-btn-demo {
    border: 2px solid rgba(0, 195, 255, 0.4) !important;
    background: linear-gradient(135deg, rgba(0, 195, 255, 0.08), rgba(139, 92, 246, 0.06)) !important;
    color: #7cc7ff !important;
    font-size: 0.82rem !important;
    padding: 0.7rem !important;
}

.pm-btn-demo:hover {
    background: linear-gradient(135deg, rgba(0, 195, 255, 0.18), rgba(139, 92, 246, 0.14)) !important;
    border-color: #00c3ff !important;
    box-shadow: 0 8px 30px rgba(0, 195, 255, 0.3) !important;
}

/* Formulario de creación */
.pm-create-form {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 1rem 1.2rem;
    margin-bottom: 1rem;
    text-align: left;
    animation: tab-panel-fade-in 0.3s ease;
}

.pm-create-form h3 {
    color: #fff;
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
}

.pm-btn-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.6rem;
}

/* Lista de proyectos */
.pm-projects-section {
    margin-top: 0.5rem;
}

.pm-section-title {
    font-size: 0.82rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pm-projects-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 4px;
}

.pm-empty-msg {
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 1rem;
}

.pm-project-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 14px;
    padding: 0.7rem 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: left;
}

.pm-project-card:hover {
    border-color: var(--primary-color);
    background: rgba(0, 195, 255, 0.06);
    transform: translateX(3px);
    box-shadow: 0 4px 15px rgba(0, 195, 255, 0.15);
}

.pm-project-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex: 1;
    min-width: 0;
}

.pm-project-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.pm-project-details {
    min-width: 0;
}

.pm-project-name {
    font-weight: 700;
    font-size: 0.82rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pm-project-meta {
    font-size: 0.62rem;
    color: var(--text-secondary);
}

.pm-project-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.pm-project-actions button {
    padding: 0.25rem 0.5rem;
    font-size: 0.6rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.4);
    color: #ccc;
    cursor: pointer;
    transition: all 0.15s ease;
}

.pm-project-actions .pm-btn-open { color: #48bb78; border-color: rgba(72,187,120,0.3); }
.pm-project-actions .pm-btn-open:hover { background: rgba(72,187,120,0.15); }
.pm-project-actions .pm-btn-edit { color: #3b82f6; border-color: rgba(59,130,246,0.3); }
.pm-project-actions .pm-btn-edit:hover { background: rgba(59,130,246,0.15); }
.pm-project-actions .pm-btn-delete { color: #ef4444; border-color: rgba(239,68,68,0.3); }
.pm-project-actions .pm-btn-delete:hover { background: rgba(239,68,68,0.15); }

.pm-footer-hint {
    font-size: 0.62rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ==========================================================================
   WIZARD DE CREACIÓN DE PROYECTO (Pantalla Completa)
   ========================================================================== */
.wizard-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(5, 8, 20, 0.94);
    z-index: 400000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fade-in-modal 0.2s ease;
}

.wizard-container {
    background: rgba(13, 20, 38, 0.97);
    border: 2px solid var(--primary-color);
    border-radius: 24px;
    width: 95%;
    max-width: 620px;
    max-height: 94vh;
    overflow-y: auto;
    padding: 1.5rem 1.8rem;
    box-shadow: 0 0 50px rgba(0, 195, 255, 0.2);
    animation: scale-up-modal 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.wizard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--card-border);
}

.wizard-header h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: #fff;
    display: flex; align-items: center; gap: 8px;
}

.wizard-close-btn {
    background: none; border: 1px solid rgba(255,255,255,0.15);
    color: #fff; border-radius: 50%; width: 32px; height: 32px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.2s ease;
}

.wizard-close-btn:hover { background: rgba(239, 68, 68, 0.2); border-color: #ef4444; }

.wizard-section {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    padding: 1rem 1.1rem;
    margin-bottom: 0.8rem;
}

.wiz-section-title {
    font-size: 0.78rem; font-weight: 800; color: #fff;
    margin-bottom: 0.6rem; display: flex; align-items: center; gap: 8px;
}

.wiz-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--primary-color); color: #000;
    font-size: 0.65rem; font-weight: 900;
}

/* Labels dentro de las secciones del wizard */
.wizard-section .form-group {
    margin-bottom: 2px;
}

.wizard-section .form-group label {
    font-size: 0.7rem;
    margin-bottom: 2px;
}

/* Textarea del wizard: que se integre bien visualmente */
.wizard-section textarea {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 2px;
}

.wiz-inline-form {
    display: flex; gap: 4px; margin-bottom: 6px;
}

.wiz-inline-form input, .wiz-inline-form select {
    flex: 1; min-width: 0;
    background: rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.1);
    color: #fff; border-radius: 8px; padding: 0.4rem 0.5rem;
    font-size: 0.68rem;
}

.wiz-inline-form .btn { flex-shrink: 0; }

.wiz-crud-table-scroll {
    overflow-y: auto;
}

.wizard-footer {
    display: flex; gap: 0.6rem; margin-top: 0.8rem;
    padding-top: 0.8rem; border-top: 1px solid var(--card-border);
}

.wizard-footer .btn { flex: 1; }

/* Botón en modo Actualizar (naranja/ámbar) */
.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    border-color: #f59e0b !important;
    color: #1a1a2e !important;
    font-weight: 700;
    animation: pulse-warning 1.5s infinite ease-in-out;
}

@keyframes pulse-warning {
    0%, 100% { box-shadow: 0 0 8px rgba(245, 158, 11, 0.3); }
    50% { box-shadow: 0 0 18px rgba(245, 158, 11, 0.6); }
}

.btn-large {
    font-size: 0.85rem; font-weight: 800; padding: 0.7rem 1rem;
    background: linear-gradient(135deg, #48bb78, #2f855a);
    border: none; color: #fff; border-radius: 14px; cursor: pointer;
}

.btn-large:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(72,187,120,0.4); }

/* Biblioteca de residuos/penitencias */
.pm-library-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: 10px;
    border: 1px dashed rgba(0, 195, 255, 0.25);
    margin-top: 0.4rem;
    transition: all 0.2s ease;
}

.pm-library-toggle:hover {
    background: rgba(0, 195, 255, 0.08);
    border-color: var(--primary-color);
}

.pm-library-panel {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 0.6rem;
    margin-top: 0.4rem;
    max-height: 180px;
    overflow-y: auto;
    animation: tab-panel-fade-in 0.25s ease;
}

.pm-library-grid {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.pm-library-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.65rem;
    color: #ccc;
    padding: 0.25rem 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid transparent;
}

.pm-library-item:hover {
    background: rgba(0, 195, 255, 0.06);
    border-color: rgba(0, 195, 255, 0.2);
}

.pm-library-item.selected {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-color);
    color: #fff;
}

.pm-library-item .lib-check {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1.5px solid rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    flex-shrink: 0;
}

.pm-library-item.selected .lib-check {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.pm-library-item .lib-theme-tag {
    font-size: 0.5rem;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(0,0,0,0.4);
    color: var(--text-secondary);
    margin-left: auto;
    flex-shrink: 0;
}
.splash-teacher-guide {
    margin: 1rem 0 1.2rem;
    text-align: left;
    background: rgba(0, 195, 255, 0.06);
    border: 1px solid rgba(0, 195, 255, 0.25);
    border-radius: 18px;
    padding: 0.8rem 1rem;
    animation: splash-title-drop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s backwards;
}

.guide-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.9rem;
    text-align: center;
}

.guide-title i, .guide-title svg {
    width: 18px;
    height: 18px;
}

.guide-steps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.guide-step {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 0.5rem 0.6rem;
    transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.22s ease, box-shadow 0.22s ease;
    cursor: default;
}

/* Pasos clickeables que abren pestañas de configuración */
.guide-step-clickable {
    cursor: pointer;
    position: relative;
    pointer-events: auto;
    user-select: none;
}

.guide-step-clickable::after {
    content: '→';
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 0.8rem;
    color: var(--primary-color);
    opacity: 0;
    transition: opacity 0.22s ease, transform 0.22s ease;
    transform: translateX(-6px);
}

.guide-step-clickable:hover::after {
    opacity: 1;
    transform: translateX(0);
}

.guide-step-clickable:hover {
    transform: translateY(-3px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 6px 18px rgba(0, 195, 255, 0.2);
}

.guide-step:hover {
    transform: translateY(-3px) scale(1.02);
    border-color: rgba(0, 255, 136, 0.45);
    box-shadow: 0 6px 18px rgba(0, 255, 136, 0.15);
}

.guide-step-icon {
    font-size: 1.15rem;
    display: block;
    margin-bottom: 3px;
}

.guide-step strong {
    display: block;
    font-size: 0.72rem;
    color: #fff;
    margin-bottom: 2px;
}

.guide-step p {
    font-size: 0.64rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* ==========================================================================
   CONFIGURACIÓN DESPLEGABLE (TEACHER DRAWER)
   ========================================================================== */
.teacher-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    height: 100vh;
    background-color: rgba(13, 17, 28, 0.97);
    border-left: 2px solid var(--primary-color);
    box-shadow: -8px 0 35px rgba(0,0,0,0.9), 0 0 30px rgba(0,195,255,0.1);
    z-index: 10000;
    transition: right 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    padding: 2rem 1.5rem;
    overflow-y: auto;
    overflow-x: hidden;
}

.teacher-drawer.open {
    right: 0;
}

.drawer-toggle {
    position: absolute;
    left: -185px;
    top: 20px;
    background-color: #1a2035;
    border: 1px solid var(--primary-color);
    color: #fff;
    padding: 0.6rem 1rem;
    border-radius: 30px 0 0 30px;
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    box-shadow: -3px 3px 10px rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.drawer-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 1.5rem;
}

.drawer-content .connection-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.drawer-content .connection-toggle .btn {
    padding: 0.4rem;
    border-radius: 8px;
    background-color: rgba(255,255,255,0.02);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.drawer-content .connection-toggle .btn.active-conn {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
}

.ip-setup-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.form-group input, .form-group select, .form-group textarea {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    padding: 0.5rem;
    border-radius: 6px;
    color: #fff;
    font-size: 0.85rem;
    outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
}

/* Textarea de comentario de voz: más grande y visible */
#crud-desc, #wiz-residue-desc {
    min-height: 80px;
    line-height: 1.5;
    resize: vertical;
    background-color: rgba(0, 195, 255, 0.04);
    border: 1.5px dashed rgba(0, 195, 255, 0.25);
    font-size: 0.85rem;
}

#crud-desc:focus, #wiz-residue-desc:focus {
    border-style: solid;
    border-color: var(--primary-color);
    background-color: rgba(0, 195, 255, 0.08);
    box-shadow: 0 0 18px rgba(0, 195, 255, 0.2);
}

#crud-desc::placeholder, #wiz-residue-desc::placeholder {
    color: rgba(255, 255, 255, 0.3);
    font-style: italic;
}

.add-player-form {
    display: flex;
    gap: 0.5rem;
}

.add-player-form input {
    flex: 1;
}

.add-player-form .btn {
    padding: 0.5rem;
    aspect-ratio: 1;
}

.divider {
    border: none;
    border-top: 1px solid var(--card-border);
    margin: 1.25rem 0;
}

.quick-game-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

/* ==========================================================================
   ESTRUCTURA PRINCIPAL (3 COLUMNAS - ESTILO MOCKUP)
   ========================================================================== */
.app-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    height: calc(100vh - 4rem);
    align-items: stretch;
}

/* Columna lateral (1/4): apila jugadores + dado + turno + residuo.
   Ocultada: todo el flujo del turno va en el popup centrado. */
.side-stack {
    display: none;
}

.side-stack .sidebar-column {
    flex-shrink: 0;
}

.side-stack .turn-column {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.side-stack .dice-container-box {
    margin: 0 auto;
    padding: 0.5rem;
}

.side-stack .roll-btn {
    margin: 0 auto;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 1.5rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* --- COLUMNA 1: SIDEBAR --- */
.sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.brand-title h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 1px;
    line-height: 1.2;
}

.brand-title .green-text {
    color: var(--accent-color);
}

.brand-title .icons {
    font-size: 1.25rem;
    margin-left: 0.25rem;
}

.player-list-card {
    flex: 0 0 auto;
    height: auto;
    max-height: 200px;
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-secondary);
    letter-spacing: 1px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn:hover {
    color: #fff;
}

.players-list-scroll {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.players-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.player-item {
    display: grid;
    grid-template-columns: 35px 1fr 40px;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

.player-avatar-circle {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: 2.5px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
}

.player-info-block {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.player-name-lbl {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
}

.player-score-lbl {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.player-progress-track {
    width: 100%;
    height: 4px;
    background-color: rgba(255,255,255,0.05);
    border-radius: 2px;
    overflow: hidden;
}

.player-progress-bar {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s ease;
}

.player-status-slot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    gap: 2px;
}

.player-status-slot.active {
    color: var(--primary-color);
}

/* Dado Isométrico 3D */
.dice-container-box {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem;
    background-color: rgba(0,0,0,0.15);
    border-radius: 16px;
    border: 1px solid var(--card-border);
    margin-bottom: 1rem;
}

.isometric-dice-wrapper {
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.isometric-dice {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 8px var(--primary-glow));
    transition: var(--transition);
}

.isometric-dice.rolling {
    animation: rotate-3d-dice 0.2s infinite;
}

.isometric-dice.dice-landed {
    animation: dice-land-bounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes rotate-3d-dice {
    0% { transform: rotate(0deg) scale(0.95); }
    50% { transform: rotate(180deg) scale(1.05); }
    100% { transform: rotate(360deg) scale(0.95); }
}

@keyframes dice-land-bounce {
    0% { transform: scale(1.25); filter: drop-shadow(0 0 22px #00c3ff); }
    60% { transform: scale(0.92); }
    100% { transform: scale(1); filter: drop-shadow(0 0 8px var(--primary-glow)); }
}

.roll-btn {
    width: 100%;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    padding: 0.6rem 0;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 195, 255, 0.2);
    letter-spacing: 1px;
    transition: var(--transition);
}

.roll-btn:hover:not(:disabled) {
    background-color: var(--primary-color);
    box-shadow: 0 0 20px var(--primary-glow);
}

.roll-btn:disabled {
    opacity: 0.3;
    border-color: rgba(255,255,255,0.1);
    box-shadow: none;
    cursor: not-allowed;
}

/* --- COLUMNA 2: TURN CARD --- */
.turn-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.turn-card {
    flex: 1;
    border-color: var(--primary-color);
    box-shadow: 0 0 25px rgba(0, 195, 255, 0.15);
}

.turn-card-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
}

.turn-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--accent-color);
}

.turn-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.waste-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1.5rem 0;
}

.waste-photo-card {
    width: 100%;
    height: 100%;
    min-height: 200px;
    border-radius: 16px;
    background-color: rgba(0,0,0,0.25);
    border: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    transition: var(--transition);
}

.waste-photo-card.active {
    background-color: rgba(13, 24, 46, 0.4);
    border-color: rgba(0, 195, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 195, 255, 0.1);
}

.waste-photo-card img {
    max-width: 100%;
    max-height: 130px;
    object-fit: contain;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.5));
}

.waste-photo-card h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    margin: 0.25rem 0;
}

.waste-placeholder {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

.waste-meta-box {
    padding: 0.75rem;
    border-radius: 12px;
    background-color: rgba(0,0,0,0.15);
    border: 1px solid var(--card-border);
    margin-bottom: 1rem;
}

.waste-points {
    font-size: 0.75rem;
    color: var(--text-color);
    font-weight: 500;
    line-height: 1.3;
}

.validation-action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.action-btn {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 800;
    padding: 0.6rem 0;
    border-radius: 30px;
    cursor: pointer;
    background: transparent;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-separar {
    border: 2px solid var(--primary-color);
    color: #fff;
}

.btn-separar:hover {
    background-color: var(--primary-color);
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn-descartar {
    border: 2px solid var(--warning-color);
    color: #fff;
}

.btn-descartar:hover {
    background-color: var(--warning-color);
    box-shadow: 0 0 15px var(--warning-glow);
}

/* Alerta de Feedback */
.feedback-alert-card {
    padding: 1rem;
    border-radius: 16px;
}

.feedback-alert-card.success {
    border-color: rgba(72, 187, 120, 0.3);
}

.feedback-alert-card.error {
    border-color: rgba(255, 59, 59, 0.3);
}

#feedback-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.85rem;
}

.success #feedback-title { color: var(--accent-color); }
.error #feedback-title { color: var(--warning-color); }

#feedback-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.penance-alert-box {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: rgba(255, 59, 59, 0.12);
    border: 1px solid rgba(255, 59, 59, 0.2);
    border-radius: 8px;
    font-size: 0.75rem;
}

.penance-alert-box strong { color: var(--warning-color); }

/* --- COLUMNA 3: EL TABLERO --- */
.board-column {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
}

.board-relative-container {
    position: relative;
    width: 100%;
    max-width: 1500px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.start-label {
    position: absolute;
    left: -65px;
    bottom: 22px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 900;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 2px;
    animation: pulse-start 1.5s infinite alternate;
}

@keyframes pulse-start {
    0% { transform: translateX(0); opacity: 0.7; }
    100% { transform: translateX(-4px); opacity: 1; }
}

.board-grid-7x4 {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 14px;
    padding: 20px;
    background-color: rgba(10, 14, 26, 0.4);
    border: 1.5px solid var(--card-border);
    border-radius: 24px;
    aspect-ratio: 7/4;
}

.board-cell {
    position: relative;
    border-radius: 18px;
    border: 2px solid transparent;
    background: linear-gradient(145deg, rgba(22, 32, 58, 0.75) 0%, rgba(10, 15, 30, 0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 12px;
    cursor: pointer;
    user-select: none;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, border-color 0.25s ease;
    backdrop-filter: blur(8px);
}

.board-cell:hover {
    transform: translateY(-4px) scale(1.05);
    z-index: 15;
}

.board-cell.border-blue {
    border-color: var(--primary-color);
    box-shadow: inset 0 0 12px rgba(0, 195, 255, 0.2), 0 0 10px rgba(0, 195, 255, 0.15);
}
.board-cell.border-blue:hover {
    box-shadow: inset 0 0 15px rgba(0, 195, 255, 0.4), 0 0 20px rgba(0, 195, 255, 0.4);
}

.board-cell.border-green {
    border-color: var(--accent-color);
    box-shadow: inset 0 0 12px rgba(72, 187, 120, 0.2), 0 0 10px rgba(72, 187, 120, 0.15);
}
.board-cell.border-green:hover {
    box-shadow: inset 0 0 15px rgba(72, 187, 120, 0.4), 0 0 20px rgba(72, 187, 120, 0.4);
}

.board-cell.border-orange {
    border-color: var(--orange-color);
    box-shadow: inset 0 0 12px rgba(255, 170, 0, 0.2), 0 0 10px rgba(255, 170, 0, 0.15);
}
.board-cell.border-orange:hover {
    box-shadow: inset 0 0 15px rgba(255, 170, 0, 0.4), 0 0 20px rgba(255, 170, 0, 0.4);
}

.board-cell.border-red {
    border-color: var(--warning-color);
    box-shadow: inset 0 0 12px rgba(255, 59, 59, 0.2), 0 0 10px rgba(255, 59, 59, 0.15);
}
.board-cell.border-red:hover {
    box-shadow: inset 0 0 15px rgba(255, 59, 59, 0.4), 0 0 20px rgba(255, 59, 59, 0.4);
}

.board-cell.border-purple {
    border-color: #8b5cf6;
    box-shadow: inset 0 0 14px rgba(139, 92, 246, 0.3), 0 0 12px rgba(139, 92, 246, 0.25);
    background: linear-gradient(145deg, rgba(50, 20, 90, 0.8) 0%, rgba(20, 10, 40, 0.9) 100%);
    animation: portal-purple-pulse 3s infinite ease-in-out alternate;
}

@keyframes portal-purple-pulse {
    0% { border-color: #8b5cf6; box-shadow: inset 0 0 15px rgba(139, 92, 246, 0.3), 0 0 12px rgba(139, 92, 246, 0.3); }
    100% { border-color: #d8b4fe; box-shadow: inset 0 0 25px rgba(216, 180, 254, 0.5), 0 0 25px rgba(139, 92, 246, 0.6); }
}

.cell-eco-badge {
    position: absolute;
    top: 4px;
    right: 6px;
    font-size: 1.1rem;
    filter: drop-shadow(0 0 4px rgba(0,0,0,0.9));
    opacity: 0.95;
    pointer-events: none;
}

.finish-crown-glow {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 8px #ffcd19);
    animation: bounce-trophy 2s infinite ease-in-out;
}

.cell-number-lbl {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 0.5px;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.cell-number-lbl.finish-text {
    font-size: 1.1rem;
    color: #ffcd19;
    letter-spacing: 1px;
    text-shadow: 0 0 8px rgba(255, 205, 25, 0.6);
}

.cell-circle-glow {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--accent-color);
    box-shadow: 0 0 14px var(--accent-color);
    animation: pulse-circle-glow 1.8s infinite ease-in-out;
}

@keyframes pulse-circle-glow {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 20px var(--accent-color); }
    100% { transform: scale(1); opacity: 0.8; }
}

.cell-tokens-tray {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 92%;
    z-index: 12;
}

/* Fichas de Alumnos en 3D Spherical Pawn */
.board-token-pawn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    transition: transform 0.2s ease;
    animation: float-token-pawn 2.2s infinite ease-in-out alternate;
}

.pawn-avatar-txt {
    font-size: 0.65rem;
    line-height: 1;
}

.active-player-pawn {
    animation: float-token-pawn 2.2s infinite ease-in-out alternate, pulse-active-pawn 1.2s infinite ease-in-out alternate;
}

/* Salto de ficha al caminar casilla por casilla */
.board-token-pawn.pawn-hopping {
    animation: pawn-hop 0.28s ease-out;
}

@keyframes pawn-hop {
    0% { transform: translateY(0) scale(1); }
    40% { transform: translateY(-14px) scale(1.15); }
    100% { transform: translateY(0) scale(1); }
}

/* Rastro luminoso en la casilla recién visitada */
.board-cell.cell-trail-glow {
    animation: trail-glow-fade 0.9s ease-out forwards;
}

/* Indicador de residuo asignado en la casilla */
.cell-residue-indicator {
    position: absolute;
    top: 2px;
    left: 4px;
    font-size: 0.55rem;
    font-weight: 700;
    color: #fff;
    background: rgba(0,0,0,0.55);
    padding: 1px 4px;
    border-radius: 4px;
    max-width: 50px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    z-index: 8;
    pointer-events: none;
    letter-spacing: 0.3px;
}

.cell-residue-indicator.type-reciclable { border-left: 2px solid #fff; }
.cell-residue-indicator.type-organico { border-left: 2px solid #48bb78; }
.cell-residue-indicator.type-ordinario { border-left: 2px solid #888; }

.cell-penance-dot {
    position: absolute;
    bottom: 3px;
    right: 5px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ffcd19;
    box-shadow: 0 0 6px #ffcd19;
    z-index: 8;
    pointer-events: none;
}

/* Casilla actual resaltada con residuo activo */
.board-cell.cell-active-residue {
    box-shadow: 0 0 20px rgba(0, 195, 255, 0.6), inset 0 0 15px rgba(0, 195, 255, 0.25) !important;
    border-color: #00c3ff !important;
    animation: pulse-active-cell 1s infinite ease-in-out alternate;
}

@keyframes pulse-active-cell {
    0% { box-shadow: 0 0 15px rgba(0, 195, 255, 0.4), inset 0 0 10px rgba(0, 195, 255, 0.15); }
    100% { box-shadow: 0 0 25px rgba(0, 195, 255, 0.8), inset 0 0 20px rgba(0, 195, 255, 0.35); }
}

@keyframes trail-glow-fade {
    0% { box-shadow: 0 0 18px 4px rgba(0, 195, 255, 0.75), inset 0 0 12px rgba(0, 195, 255, 0.4); }
    100% { box-shadow: none; }
}

@keyframes float-token-pawn {
    0% { transform: translateY(0); }
    100% { transform: translateY(-4px); }
}

@keyframes pulse-active-pawn {
    0% { outline: 2px solid #ffcd19; outline-offset: 1px; }
    100% { outline: 3px solid #00c3ff; outline-offset: 4px; }
}

.board-connections-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    pointer-events: none;
    z-index: 10;
    overflow: visible;
}

/* ==========================================================================
   PANEL INFERIOR ADMINISTRATIVO
   ========================================================================== */
.bottom-admin-container {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.crud-questions {
    padding: 1.5rem;
}

.crud-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.5rem;
}

.crud-form {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 0.6rem;
}

.form-row-equal {
    grid-template-columns: 1fr 1fr;
}

.img-upload-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.img-upload-row input[type="file"] {
    flex: 1;
}

.img-upload-row img {
    flex-shrink: 0;
}

.crud-table-scroll {
    max-height: 260px;
    overflow-y: auto;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background-color: rgba(0,0,0,0.2);
}

.crud-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    text-align: left;
}

.crud-table th, .crud-table td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid var(--card-border);
}

.crud-table th {
    background-color: rgba(255,255,255,0.01);
    color: var(--text-secondary);
    font-weight: 600;
}

.crud-table tr:hover {
    background-color: rgba(255,255,255,0.01);
}

.console-box {
    height: 120px;
    overflow-y: auto;
    background-color: #030407;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 0.75rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.75rem;
    color: #4ade80;
    line-height: 1.4;
}

.log-entry {
    margin-bottom: 0.2rem;
    display: flex;
    gap: 0.5rem;
}

.log-time { color: var(--text-secondary); }
.log-type-info { color: var(--primary-color); }
.log-type-cmd { color: var(--orange-color); }
.log-type-sys { color: var(--warning-color); }
.log-type-debug { color: var(--text-secondary); }

/* ==========================================================================
   CANECAS DIGITALES Y ENLACE BLUETOOTH BLE
   ========================================================================== */
.digital-canecas-panel {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.canecas-instruction-lbl {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.canecas-button-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.caneca-action-btn {
    position: relative;
    border-radius: 12px;
    padding: 0.75rem 0.5rem;
    border: 2px solid transparent;
    background-color: rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition);
}

.caneca-color-fill {
    width: 24px;
    height: 30px;
    border-radius: 4px;
    margin-bottom: 0.4rem;
    border: 1.5px solid rgba(255,255,255,0.2);
    position: relative;
}

.caneca-color-fill::after {
    content: '';
    position: absolute;
    top: -4px;
    left: 2px;
    width: 17px;
    height: 3px;
    background-color: rgba(255,255,255,0.4);
    border-radius: 2px;
}

/* Blanca */
.caneca-blanca {
    border-color: rgba(255, 255, 255, 0.15);
}
.caneca-blanca .caneca-color-fill {
    background-color: #ffffff;
    box-shadow: 0 0 8px rgba(255,255,255,0.5);
}
.caneca-blanca:hover {
    border-color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 15px rgba(255,255,255,0.25);
}

/* Verde */
.caneca-verde {
    border-color: rgba(72, 187, 120, 0.15);
}
.caneca-verde .caneca-color-fill {
    background-color: #48bb78;
    box-shadow: 0 0 8px rgba(72,187,120,0.5);
}
.caneca-verde:hover {
    border-color: #48bb78;
    background-color: rgba(72, 187, 120, 0.05);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Negra */
.caneca-negra {
    border-color: rgba(113, 128, 150, 0.25);
}
.caneca-negra .caneca-color-fill {
    background-color: #1a202c;
    border-color: #4a5568;
    box-shadow: 0 0 8px rgba(0,0,0,0.5);
}
.caneca-negra:hover {
    border-color: #718096;
    background-color: rgba(113, 128, 150, 0.05);
    box-shadow: 0 0 15px rgba(113,128,150,0.25);
}

.caneca-label-txt {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.caneca-blanca .caneca-label-txt { color: #fff; }
.caneca-verde .caneca-label-txt { color: #48bb78; }
.caneca-negra .caneca-label-txt { color: #a0aec0; }

.caneca-sub-txt {
    font-size: 0.55rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Indicador Físico BLE */
.physical-ble-waiting-panel {
    position: relative;
    padding: 1.25rem;
    background-color: rgba(0, 195, 255, 0.06);
    border: 2px dashed var(--primary-color);
    border-radius: 16px;
    text-align: center;
    margin-top: 1rem;
    box-shadow: 0 0 15px rgba(0, 195, 255, 0.1);
    overflow: hidden;
}

.physical-ble-waiting-panel p {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.9rem;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.ble-pulse-icon {
    color: var(--primary-color);
    animation: pulse-ble-icon 1.5s infinite;
}

@keyframes pulse-ble-icon {
    0% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.15); opacity: 1; filter: drop-shadow(0 0 5px var(--primary-color)); }
    100% { transform: scale(1); opacity: 0.6; }
}

.ble-radar-text {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.35rem;
    line-height: 1.3;
}

.radar-ping-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0,195,255,0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0.5);
    animation: radar-sweep 2.5s infinite linear;
    pointer-events: none;
}

@keyframes radar-sweep {
    0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

/* ==========================================================================
   POPUP MODAL DE RANKING Y LEADERBOARD ESCOLAR
   ========================================================================== */
.ranking-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(5, 8, 14, 0.88);
    backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    animation: fade-in-modal 0.25s ease;
}

@keyframes fade-in-modal {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.ranking-modal-card {
    background: rgba(13, 20, 38, 0.85);
    border: 2px solid rgba(0, 195, 255, 0.35);
    box-shadow: 0 0 60px rgba(0, 195, 255, 0.3), inset 0 0 20px rgba(255,255,255,0.02);
    border-radius: 28px;
    padding: 2.5rem;
    width: 92%;
    max-width: 520px;
    text-align: center;
    position: relative;
    animation: scale-up-modal 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scale-up-modal {
    0% { transform: scale(0.85); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.trophy-header-glow {
    margin: 0 auto 0.75rem;
    width: 70px;
    height: 70px;
    background: radial-gradient(circle, rgba(255, 170, 0, 0.25) 0%, transparent 70%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trophy-bounce-icon {
    color: #ffaa00;
    width: 42px;
    height: 42px;
    filter: drop-shadow(0 0 8px rgba(255, 170, 0, 0.6));
    animation: bounce-trophy 2.5s infinite ease-in-out;
}

@keyframes bounce-trophy {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(5deg); }
}

.ranking-modal-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.6rem;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 0 10px rgba(255,255,255,0.1);
}

.ranking-modal-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    margin-bottom: 1.75rem;
    font-weight: 500;
}

.ranking-list-container {
    margin-bottom: 2rem;
    background-color: rgba(5, 8, 14, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
}

.ranking-popup-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.ranking-popup-table th, .ranking-popup-table td {
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

.ranking-popup-table th {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ranking-popup-table tr:last-child td {
    border-bottom: none;
}

.ranking-podium-tag {
    font-size: 1rem;
    font-weight: 900;
    display: inline-block;
    width: 24px;
    text-align: center;
}

.ranking-podium-tag.gold { color: #ffcd19; text-shadow: 0 0 5px rgba(255,205,25,0.4); }
.ranking-podium-tag.silver { color: #a0aec0; }
.ranking-podium-tag.bronze { color: #ed8936; }

.ranking-user-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.ranking-avatar {
    font-size: 1.1rem;
}

.ranking-score-cell {
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--primary-color);
}

/* Botón Siguiente Turno Animado y Vivo */
.next-turn-lively-btn {
    width: 100%;
    padding: 1.15rem;
    background: linear-gradient(135deg, #00c3ff 0%, #0077ff 100%);
    border: none;
    border-radius: 40px;
    cursor: pointer;
    position: relative;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 30px rgba(0, 195, 255, 0.5);
    transition: var(--transition);
    overflow: hidden;
}

.next-turn-lively-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 195, 255, 0.8);
}

.next-turn-lively-btn:active {
    transform: translateY(-1px);
}

.btn-sub-txt {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    opacity: 0.95;
    text-transform: uppercase;
}

.btn-main-txt {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.35rem;
    letter-spacing: 0.5px;
    margin-top: 0.15rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Pulsación de Brillo de Fondo */
.next-turn-lively-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.25),
        transparent
    );
    transition: all 0.5s;
    animation: btn-shine 3s infinite linear;
}

@keyframes btn-shine {
    0% { left: -100%; }
    20% { left: 100%; }
    100% { left: 100%; }
}

.btn-glow-pulse {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 40px;
    border: 2px solid var(--primary-color);
    opacity: 0;
    animation: button-border-pulse 2s infinite;
    pointer-events: none;
}

@keyframes button-border-pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.06); opacity: 0; }
}

/* ==========================================================================
   PANTALLA DE INICIO (SPLASH SCREEN - PRIMER MOMENTO)
   ========================================================================== */
.splash-screen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 50% 50%, #0d1629 0%, #05080e 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cpath fill='none' stroke='rgba(255,255,255,0.012)' stroke-width='1' d='M14 0 L28 8 L28 24 L14 32 L0 24 L0 8 Z M14 49 L28 41 L28 25 L14 17 L0 25 L0 41 Z'/%3E%3C/svg%3E");
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200000;
    animation: fade-in-modal 0.3s ease;
}

.splash-card {
    background: rgba(13, 20, 38, 0.88);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 70px var(--primary-glow), inset 0 0 20px rgba(255,255,255,0.02);
    border-radius: 32px;
    padding: 2.5rem 2rem;
    width: 95%;
    max-width: 720px;
    max-height: 92vh;
    overflow-y: auto;
    text-align: center;
    position: relative;
    backdrop-filter: blur(16px);
    animation: scale-up-modal 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.splash-title {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 900;
    color: #fff;
    line-height: 1.15;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-shadow: 0 0 20px var(--primary-glow);
    animation: splash-title-drop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

.splash-title:nth-of-type(2) {
    animation-delay: 0.15s;
}

.splash-title.green-text {
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-glow);
}

.splash-title .icons {
    display: inline-block;
    animation: icons-sway 2.4s ease-in-out infinite;
}

@keyframes splash-title-drop {
    0% { opacity: 0; transform: translateY(-30px) scale(0.9); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes icons-sway {
    0%, 100% { transform: rotate(-4deg); }
    50% { transform: rotate(4deg); }
}

.splash-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Botón Iniciar Juego Principal */
.splash-start-btn {
    padding: 1rem 3rem;
    background: linear-gradient(135deg, #48bb78 0%, #2f855a 100%);
    border: none;
    border-radius: 40px;
    cursor: pointer;
    position: relative;
    color: #fff;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.2rem;
    letter-spacing: 1px;
    box-shadow: 0 5px 30px rgba(72, 187, 120, 0.5);
    transition: var(--transition);
    overflow: hidden;
}

.splash-start-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(72, 187, 120, 0.75);
}

.splash-start-btn:active {
    transform: translateY(-1px);
}

.splash-start-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.25),
        transparent
    );
    transition: all 0.5s;
    animation: btn-shine 3s infinite linear;
}

.splash-start-btn .btn-glow-pulse {
    border-color: var(--accent-color);
    animation: button-border-pulse-green 2s infinite;
}

@keyframes button-border-pulse-green {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.08); opacity: 0; }
}

/* ==========================================================================
   ANIMACIONES VECTORIALES DE TRIUNFO Y PÉRDIDA (PANTALLA COMPLETA)
   ========================================================================== */
.vector-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 150000;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fade-in-modal 0.3s ease forwards;
}

.triumph-overlay {
    background: radial-gradient(circle, rgba(0, 195, 255, 0.22) 0%, rgba(72, 187, 120, 0.28) 50%, rgba(5, 8, 14, 0.9) 100%);
    backdrop-filter: blur(10px);
}

.defeat-overlay {
    background: radial-gradient(circle, rgba(255, 59, 59, 0.3) 0%, rgba(255, 170, 0, 0.18) 50%, rgba(12, 4, 6, 0.92) 100%);
    backdrop-filter: blur(10px);
}

.vector-particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Estilo de los elementos vectoriales individuales */
.vector-particle {
    position: absolute;
    pointer-events: none;
    font-size: 2.2rem;
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.4));
    opacity: 0;
}

/* Animación de partículas subiendo (Triunfo) */
@keyframes float-up-particle {
    0% {
        transform: translateY(105vh) translateX(0) rotate(0deg) scale(0.6);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-15vh) translateX(var(--drift, 50px)) rotate(360deg) scale(1.3);
        opacity: 0;
    }
}

/* Animación de partículas cayendo (Pérdida/Error) */
@keyframes fall-down-particle {
    0% {
        transform: translateY(-15vh) translateX(0) rotate(0deg) scale(0.6);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(105vh) translateX(var(--drift, -50px)) rotate(-360deg) scale(1.3);
        opacity: 0;
    }
}

/* Tarjetas Informativas de Banner */
.triumph-banner-card, .defeat-banner-card {
    background: rgba(13, 20, 38, 0.94);
    border-radius: 32px;
    padding: 3.5rem 3rem;
    width: 90%;
    max-width: 480px;
    text-align: center;
    position: relative;
    z-index: 10;
    backdrop-filter: blur(12px);
    animation: banner-elastic-pop 0.65s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.triumph-banner-card {
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 50px rgba(72, 187, 120, 0.4), inset 0 0 20px rgba(255,255,255,0.02);
}

.defeat-banner-card {
    border: 3px solid var(--warning-color);
    box-shadow: 0 0 50px rgba(255, 59, 59, 0.4), inset 0 0 20px rgba(255,255,255,0.02);
}

@keyframes banner-elastic-pop {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Iconos de Banner */
.victory-vector-icon {
    font-size: 3.8rem;
    color: #ffcd19;
    filter: drop-shadow(0 0 15px rgba(255, 205, 25, 0.7));
    margin-bottom: 1.25rem;
    animation: pulse-gold-crown 1.5s infinite alternate ease-in-out;
}

.defeat-vector-icon {
    font-size: 3.8rem;
    color: var(--warning-color);
    filter: drop-shadow(0 0 15px rgba(255, 59, 59, 0.7));
    margin-bottom: 1.25rem;
    animation: rotate-shake-hazard 2s infinite ease-in-out;
}

@keyframes pulse-gold-crown {
    0% { transform: scale(1); filter: drop-shadow(0 0 12px rgba(255, 205, 25, 0.5)); }
    100% { transform: scale(1.15); filter: drop-shadow(0 0 25px rgba(255, 205, 25, 0.9)); }
}

@keyframes rotate-shake-hazard {
    0%, 100% { transform: rotate(0deg) scale(1); }
    20%, 60% { transform: rotate(-8deg) scale(1.05); }
    40%, 80% { transform: rotate(8deg) scale(1.05); }
}

.triumph-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 2.2rem;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 0 12px var(--accent-glow);
    text-transform: uppercase;
}

.defeat-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 2.1rem;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 0 12px var(--warning-glow);
    text-transform: uppercase;
}

.triumph-subtitle, .defeat-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    font-weight: 500;
    line-height: 1.4;
}

@keyframes fade-out-overlay {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* ==========================================================================
   MODO TV / PROYECTOR — clase .tv-mode-active en .app-layout
   Oculta paneles de administración / registro y enfoca el juego.
   ========================================================================== */
.app-layout.tv-mode-active {
    gap: 0.5rem;
    height: 100vh;
    padding: 0.5rem;
}

/* Ocultar zona administrativa y de registro de alumnos en modo TV */
.app-layout.tv-mode-active .player-list-card,
.app-layout.tv-mode-active .brand-title,
.app-layout.tv-mode-active .exit-game-fab,
.app-layout.tv-mode-active .card-header-row #btn-open-settings {
    display: none;
}

/* Agrandar el dado virtual para proyección a pantalla gigante */
.app-layout.tv-mode-active .isometric-dice {
    transform: scale(1.2);
}

/* Maximizar el tablero en modo TV */
.app-layout.tv-mode-active .board-relative-container {
    max-width: none;
}

/* ==========================================================================
   POPUP CENTRADO: ELECCIÓN DEL CONTENEDOR (residuo + 3 canecas)
   ========================================================================== */
#choice-popup-modal .ranking-modal-card {
    background: rgba(13, 20, 38, 0.94);
    border: 2px solid rgba(0, 195, 255, 0.45);
    max-width: 560px;
}

#choice-popup-modal #choice-popup-title {
    color: #ffffff;
}

#choice-popup-modal #choice-popup-subtitle,
#choice-popup-modal #choice-popup-points {
    color: #cbd5e1;
}

#choice-popup-modal #choice-popup-name {
    color: #ffffff;
}

#choice-popup-modal .canecas-instruction-lbl {
    color: #ffffff;
}

#choice-popup-modal .caneca-action-btn {
    background-color: rgba(20, 28, 50, 0.9);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.12);
    min-width: 130px;
    padding: 0.9rem 0.6rem;
}

#choice-popup-modal .caneca-action-btn:hover {
    border-color: rgba(0, 195, 255, 0.6);
    background-color: rgba(0, 195, 255, 0.15);
}

#residue-question-modal .ranking-modal-card {
    background: rgba(13, 20, 38, 0.92);
}

/* Etiqueta del residuo (antes usaba var(--text-secondary), podía ser gris oscuro) */
#residue-question-modal #rq-residue-label {
    color: #cbd5e1;
    font-weight: 700;
}

/* Texto de la pregunta: siempre blanco sobre fondo oscuro */
#residue-question-modal #rq-question-text {
    color: #ffffff;
}

/* Caja de opciones: fondo oscuro para alto contraste */
#residue-question-modal #rq-options-box {
    background-color: rgba(5, 8, 14, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 14px;
}

/* Opciones: fondo oscuro y texto blanco (no heredar colores apiñados) */
#residue-question-modal #rq-options-box .caneca-action-btn {
    background-color: rgba(20, 28, 50, 0.9);
    color: #ffffff;
    text-align: left;
    border: 2px solid rgba(255, 255, 255, 0.12);
    font-weight: 700;
}

#residue-question-modal #rq-options-box .caneca-action-btn:hover {
    background-color: rgba(0, 195, 255, 0.18);
    border-color: rgba(0, 195, 255, 0.6);
    color: #ffffff;
}

#residue-question-modal #rq-options-box .caneca-action-btn:disabled {
    cursor: default;
}

/* Feedback correcto/incorrecto: claro y bien contrastado */
#residue-question-modal #rq-feedback {
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
}

/* Botón CONTINUAR: mantener texto blanco */
#residue-question-modal .next-turn-lively-btn {
    color: #ffffff;
}