/* ==========================================================================
   DISEÑO VISUAL Y SISTEMA DE ESTILOS - TÓMBOLA ESCOLAR PREMIUM
   ========================================================================== */

/* Fuentes e Importaciones */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Paleta de colores Premium */
    --bg-main: #090d16;
    --bg-darker: #05070d;
    --card-bg: rgba(17, 24, 39, 0.65);
    --card-hover: rgba(23, 37, 84, 0.4);
    --border: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(37, 99, 235, 0.6);
    
    /* Colores Temáticos (100% Libres de Violetas/Morados) */
    --primary: #2563eb;         /* Azul Real Puro */
    --primary-light: #0ea5e9;   /* Celeste / Cyan */
    --primary-glow: rgba(37, 99, 235, 0.2);
    --accent: #f97316;          /* Naranja Neon */
    --accent-glow: rgba(249, 115, 22, 0.2);
    
    /* Estados de Alumnos */
    --color-available: #06b6d4; /* Turquesa / Cyan */
    --bg-available: rgba(6, 182, 212, 0.1);
    --color-evaluado: #10b981;  /* Verde Esmeralda */
    --bg-evaluado: rgba(16, 185, 129, 0.1);
    --color-no-evaluado: #ef4444; /* Rojo Fuego */
    --bg-no-evaluado: rgba(239, 68, 68, 0.1);
    --color-pendiente: #f59e0b;  /* Ámbar Dorado */
    --bg-pendiente: rgba(245, 158, 11, 0.1);
    
    /* Textos */
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dark: #6b7280;
    
    /* Transiciones */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Estilos Globales */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(at 0% 0%, rgba(14, 165, 233, 0.12) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(249, 115, 22, 0.07) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(6, 182, 212, 0.06) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Scrollbar Personalizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Layout y Contenedores */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Encabezado */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 20px 30px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-icon {
    font-size: 32px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.brand-info h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-info p {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* Calendario / Fechas Clave */
.calendar-banner {
    display: flex;
    gap: 10px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 6px 12px;
}

.date-badge {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    border: 1px solid transparent;
}

.date-badge.active {
    background: rgba(249, 115, 22, 0.15);
    color: var(--accent);
    border-color: rgba(249, 115, 22, 0.2);
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.1);
}

/* Panel de Control y Controles de Grupo */
.controls-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.group-selector {
    display: flex;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    padding: 4px;
    border-radius: 14px;
}

.group-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 10px 24px;
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.group-btn.active {
    background: linear-gradient(135deg, var(--primary), #1d4ed8);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.action-buttons {
    display: flex;
    gap: 12px;
}

/* Botones Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 600;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
    color: #fff;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: translateY(-1px);
}

.btn-danger {
    background: rgba(244, 63, 94, 0.1);
    border-color: rgba(244, 63, 94, 0.2);
    color: var(--color-no-evaluado);
}

.btn-danger:hover {
    background: var(--color-no-evaluado);
    color: #fff;
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.3);
}

/* Cuadrícula Principal */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 30px;
}

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

/* Tarjetas */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 20px 45px -5px rgba(0, 0, 0, 0.4);
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 15px;
}

.card-title .counter-badge {
    font-size: 12px;
    background: rgba(255, 255, 255, 0.08);
    padding: 4px 10px;
    border-radius: 20px;
    color: var(--text-muted);
}

/* Lista de alumnos (Tabla de administración) */
.student-list-container {
    max-height: 520px;
    overflow-y: auto;
    margin-top: 10px;
}

.student-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.student-table th {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}

.student-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 14px;
    vertical-align: middle;
}

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

.student-table tr {
    transition: background-color var(--transition-fast);
}

.student-table tr:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

/* Badges de Estados */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
    border: 1px solid transparent;
    text-transform: capitalize;
}

.badge-available {
    color: var(--color-available);
    background: var(--bg-available);
    border-color: rgba(59, 130, 246, 0.2);
}

.badge-evaluado {
    color: var(--color-evaluado);
    background: var(--bg-evaluado);
    border-color: rgba(16, 185, 129, 0.2);
}

.badge-no_evaluado {
    color: var(--color-no-evaluado);
    background: var(--bg-no-evaluado);
    border-color: rgba(244, 63, 94, 0.2);
}

.badge-pendiente {
    color: var(--color-pendiente);
    background: var(--bg-pendiente);
    border-color: rgba(245, 158, 11, 0.2);
}

.student-name.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.6;
}

.delete-btn {
    background: transparent;
    border: none;
    color: var(--text-dark);
    cursor: pointer;
    font-size: 16px;
    transition: color var(--transition-fast);
    padding: 4px;
    border-radius: 6px;
}

.delete-btn:hover {
    color: var(--color-no-evaluado);
    background: rgba(244, 63, 94, 0.08);
}

/* Vista Ruleta / Arena del Juego */
.roulette-arena {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 40px 0;
}

.canvas-container {
    position: relative;
    width: 320px;
    height: 380px;
    margin-bottom: 30px;
}

@media (max-width: 480px) {
    .canvas-container {
        width: 280px;
        height: 340px;
    }
}

.wheel-canvas {
    width: 100%;
    height: 100%;
    border-radius: 18px;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.4), 
        0 0 50px rgba(37, 99, 235, 0.1),
        inset 0 0 30px rgba(0, 0, 0, 0.6);
    background: var(--bg-darker);
    border: 2px solid rgba(255, 255, 255, 0.05);
}

/* Indicador del Escáner (Láser o Cap del Centro) */
.wheel-center-cap {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.15);
    border: 1.5px solid rgba(99, 102, 241, 0.4);
    border-radius: 50%;
    z-index: 5;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    pointer-events: none;
    display: none; /* Ocultado para usar los brackets dibujados en el canvas */
}

/* Panel Central de Instrucción */
.spin-action-panel {
    text-align: center;
    z-index: 8;
}

.spin-btn {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--accent) 0%, #ef4444 50%, #ea580c 100%);
    background-size: 200% auto;
    border: none;
    border-radius: 12px;
    padding: 16px 40px;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.35), 0 0 40px rgba(239, 68, 68, 0.2);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.spin-btn:hover:not(:disabled) {
    background-position: right center;
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 12px 35px rgba(249, 115, 22, 0.55), 0 0 50px rgba(239, 68, 68, 0.3);
}

.spin-btn:active:not(:disabled) {
    transform: scale(0.98) translateY(0);
}

.spin-btn:disabled {
    background: #1e293b;
    color: var(--text-dark);
    box-shadow: none;
    cursor: not-allowed;
    border: 1px solid var(--border);
}

/* Modales e Interfaz Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6), 0 0 100px rgba(37, 99, 235, 0.15);
    border-radius: 28px;
    width: 100%;
    max-width: 520px;
    padding: 40px;
    text-align: center;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #10b981, #f59e0b, #f43f5e);
}

/* Interfaz Ganador */
.winner-announcement {
    margin-bottom: 25px;
}

.winner-subtitle {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 10px;
}

.winner-name {
    font-family: 'Outfit', sans-serif;
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2), 0 0 40px rgba(249, 115, 22, 0.4);
    margin-bottom: 15px;
    word-break: break-word;
}

.winner-status-prompt {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

/* Botones de Calificación */
.rating-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 25px;
}

@media (min-width: 480px) {
    .rating-options {
        grid-template-columns: 1fr 1fr;
    }
    .rating-option-full {
        grid-column: span 2;
    }
}

.rating-btn {
    border: 1px solid transparent;
    border-radius: 14px;
    padding: 14px 20px;
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.rating-btn:hover {
    transform: translateY(-2px);
}

.rating-btn:active {
    transform: translateY(0);
}

.rating-evaluado {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.25);
    color: #34d399;
}
.rating-evaluado:hover {
    background: #10b981;
    color: #fff;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.rating-no_evaluado {
    background: rgba(244, 63, 94, 0.12);
    border-color: rgba(244, 63, 94, 0.25);
    color: #fb7185;
}
.rating-no_evaluado:hover {
    background: #f43f5e;
    color: #fff;
    box-shadow: 0 6px 20px rgba(244, 63, 94, 0.4);
}

.rating-pendiente {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.25);
    color: #fbbf24;
}
.rating-pendiente:hover {
    background: #f59e0b;
    color: #fff;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* Cuadro de Notas Opcional en el Modal */
.notes-container {
    text-align: left;
    margin-bottom: 25px;
}

.notes-container label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: block;
}

.notes-input {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    resize: none;
    height: 60px;
    transition: all var(--transition-fast);
}

.notes-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.9);
}

/* Formularios de Agregar Alumno */
.form-paste {
    margin-top: 15px;
}

.textarea-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    height: 120px;
    resize: vertical;
    margin-bottom: 15px;
    transition: all var(--transition-normal);
}

.textarea-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

/* Indicadores de Turno de Espera */
.wait-turns-indicator {
    font-size: 11px;
    padding: 2px 8px;
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-pendiente);
    border-radius: 4px;
    border: 1px solid rgba(245, 158, 11, 0.2);
    margin-top: 4px;
    display: inline-block;
}

/* Estado Vacío */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 40px;
    margin-bottom: 15px;
    opacity: 0.6;
}

.empty-state h3 {
    color: #fff;
    font-family: 'Outfit', sans-serif;
    margin-bottom: 6px;
    font-size: 18px;
}

.empty-state p {
    font-size: 14px;
}

/* Alertas de Notificación Dinámicas (Toast) */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 24px;
    color: #fff;
    font-size: 14px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.active {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    border-left: 4px solid var(--color-evaluado);
}

.toast-error {
    border-left: 4px solid var(--color-no-evaluado);
}

/* Efecto Confeti o Destellos CSS */
.confetti-particle {
    position: fixed;
    width: 10px;
    height: 10px;
    background-color: #f00;
    z-index: 1001;
    pointer-events: none;
    border-radius: 50%;
    animation: confetti-fall 3s linear forwards;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-50px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(105vh) rotate(360deg);
        opacity: 0;
    }
}