/* -------------------------------------------------------------
   evalúa+ | Registro de Calificaciones - CSS Principal
   Estilo: Premium Glassmorphic, Modern Dark/Light Mode
   ------------------------------------------------------------- */

/* Variables del Sistema */
:root {
    /* Modo Oscuro (Por defecto) */
    --bg-primary: #0b0f19;
    --bg-secondary: #131b2e;
    --bg-tertiary: #1e294b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-color: #0ea5e9;
    --accent-hover: #38bdf8;
    --accent-glow: rgba(14, 165, 233, 0.15);
    
    --success-color: #10b981;
    --success-hover: #34d399;
    --success-glow: rgba(16, 185, 129, 0.15);
    
    --danger-color: #ef4444;
    --danger-hover: #f87171;
    
    --border-color: rgba(255, 255, 255, 0.06);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(19, 27, 46, 0.75);
    --glass-border: rgba(255, 255, 255, 0.05);
    --color-blue: #3b82f6;
    
    --transition-speed: 0.3s;
    --border-radius-lg: 16px;
    --border-radius-md: 10px;
    --border-radius-sm: 6px;
}

/* Modo Claro overrides (Tema Arena/Crema Altamente Accesible) */
body.light-mode {
    --bg-primary: #f7f5f0;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e9e6df;
    --text-primary: #1e293b;
    --text-secondary: #515e71;
    --text-muted: #788597;
    
    --accent-color: #0d9488;
    --accent-hover: #0f766e;
    --accent-glow: rgba(13, 148, 136, 0.15);
    
    --success-color: #16a34a;
    --success-hover: #15803d;
    --success-glow: rgba(22, 163, 74, 0.15);
    
    --danger-color: #e11d48;
    --danger-hover: #be123c;
    
    --border-color: #e5e5e0;
    --card-shadow: 0 4px 20px -2px rgba(139, 137, 130, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(229, 229, 224, 0.5);
    --color-blue: #1d4ed8;
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Tipografía y Textos */
h1 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 600;
}

.semibold {
    font-weight: 600;
}

.text-primary {
    color: var(--accent-color);
}

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.hidden {
    display: none !important;
}

/* Cabecera Principal */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo-img {
    max-height: 150px;
    width: auto;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.grade-selector-container {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-primary);
    padding: 6px 16px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.grade-selector-container label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.backup-actions {
    display: flex;
    gap: 8px;
    border-left: 1px solid var(--border-color);
    padding-left: 16px;
}

/* Contenedor Principal de la App */
.app-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    padding: 24px 32px;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    flex-grow: 1;
}

/* Tarjetas (Cards) */
.card {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform 0.2s ease, box-shadow var(--transition-speed) ease;
}

.card-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Panel Lateral (Sidebar Config) */
.sidebar-config {
    align-self: start;
    position: sticky;
    top: 90px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.sidebar-config::-webkit-scrollbar {
    width: 6px;
}

.sidebar-config::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

.section-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.title-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
}

.config-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.weights-form .input-group {
    margin-bottom: 14px;
}

.weights-form label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 5px;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.weight-total-bar {
    width: 100%;
    height: 6px;
    background-color: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
    margin: 16px 0 6px 0;
}

.weight-total-fill {
    height: 100%;
    width: 100%;
    background-color: var(--success-color);
    transition: width var(--transition-speed) ease, background-color var(--transition-speed) ease;
}

.weight-total-fill.invalid {
    background-color: var(--danger-color);
}

.weight-total-text {
    font-size: 0.75rem;
    font-weight: 600;
    text-align: right;
    color: var(--text-secondary);
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 20px 0;
}

.subsection-title {
    font-size: 0.9rem;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
}

/* Área Principal de Contenidos */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Barra de Pestañas (Tabs Navigation) */
.tabs-nav {
    display: flex;
    padding: 8px;
    gap: 8px;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-speed) ease;
    white-space: nowrap;
}

/* Hover e active default */
.tab-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab-btn.active {
    background-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Estilos de pestañas con recuadros de colores específicos (Modo Claro) */
.tab-btn[data-tab="students"] { border-color: rgba(99, 102, 241, 0.35); color: #4f46e5; }
.tab-btn[data-tab="cotidiano"] { border-color: rgba(139, 92, 246, 0.35); color: #7c3aed; }
.tab-btn[data-tab="attendance"] { border-color: rgba(217, 119, 6, 0.35); color: #b45309; }
.tab-btn[data-tab="tareas"] { border-color: rgba(13, 148, 136, 0.35); color: #0f766e; }
.tab-btn[data-tab="pruebas"] { border-color: rgba(22, 163, 74, 0.35); color: #166534; }
.tab-btn[data-tab="proyecto"] { border-color: rgba(234, 88, 12, 0.35); color: #c2410c; }
.tab-btn[data-tab="portafolio"] { border-color: rgba(2, 132, 199, 0.35); color: #0369a1; }
.tab-btn[data-tab="summary"] { border-color: rgba(225, 29, 72, 0.35); color: #be123c; }

/* Cambios al pasar el mouse por encima */
.tab-btn[data-tab="students"]:hover { background-color: rgba(99, 102, 241, 0.08); }
.tab-btn[data-tab="cotidiano"]:hover { background-color: rgba(139, 92, 246, 0.08); }
.tab-btn[data-tab="attendance"]:hover { background-color: rgba(217, 119, 6, 0.08); }
.tab-btn[data-tab="tareas"]:hover { background-color: rgba(13, 148, 136, 0.08); }
.tab-btn[data-tab="pruebas"]:hover { background-color: rgba(22, 163, 74, 0.08); }
.tab-btn[data-tab="proyecto"]:hover { background-color: rgba(234, 88, 12, 0.08); }
.tab-btn[data-tab="portafolio"]:hover { background-color: rgba(2, 132, 199, 0.08); }
.tab-btn[data-tab="summary"]:hover { background-color: rgba(225, 29, 72, 0.08); }

/* Pestaña activa sólida con su color */
.tab-btn[data-tab="students"].active { background-color: #6366f1; border-color: #6366f1; color: #ffffff !important; box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3); }
.tab-btn[data-tab="cotidiano"].active { background-color: #8b5cf6; border-color: #8b5cf6; color: #ffffff !important; box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3); }
.tab-btn[data-tab="attendance"].active { background-color: #d97706; border-color: #d97706; color: #ffffff !important; box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3); }
.tab-btn[data-tab="tareas"].active { background-color: #0d9488; border-color: #0d9488; color: #ffffff !important; box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3); }
.tab-btn[data-tab="pruebas"].active { background-color: #16a34a; border-color: #16a34a; color: #ffffff !important; box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3); }
.tab-btn[data-tab="proyecto"].active { background-color: #ea580c; border-color: #ea580c; color: #ffffff !important; box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3); }
.tab-btn[data-tab="portafolio"].active { background-color: #0284c7; border-color: #0284c7; color: #ffffff !important; box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3); }
.tab-btn[data-tab="summary"].active { background-color: #e11d48; border-color: #e11d48; color: #ffffff !important; box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3); }

/* En modo oscuro adaptamos los colores de borde y texto */
body.dark-mode .tab-btn {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}
body.dark-mode .tab-btn[data-tab="students"] { color: #818cf8; }
body.dark-mode .tab-btn[data-tab="cotidiano"] { color: #a78bfa; }
body.dark-mode .tab-btn[data-tab="attendance"] { color: #fbbf24; }
body.dark-mode .tab-btn[data-tab="tareas"] { color: #2dd4bf; }
body.dark-mode .tab-btn[data-tab="pruebas"] { color: #4ade80; }
body.dark-mode .tab-btn[data-tab="summary"] { color: #fb7185; }

body.dark-mode .tab-btn:hover { background-color: var(--bg-tertiary); color: var(--text-primary); }
body.dark-mode .tab-btn.active { color: var(--text-primary) !important; }

.tab-icon {
    width: 18px;
    height: 18px;
}

/* Contenido de Pestañas */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

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

/* Controles de Formulario */
.input-styled, .select-styled, .textarea-styled {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.input-styled:focus, .select-styled:focus, .textarea-styled:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-styled.compact {
    max-width: 120px;
}

.textarea-styled {
    resize: vertical;
    min-height: 80px;
}

.select-styled {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}

/* Botones */
.btn-primary, .btn-secondary, .btn-success, .btn-danger, .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

body.light-mode .btn-secondary {
    background-color: #faf9f6;
    color: #334155;
    border: 1px solid #cbd5e1;
}

body.light-mode .btn-secondary:hover {
    background-color: #f1f5f9;
    border-color: #94a3b8;
}

.btn-secondary.small {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: var(--border-radius-sm);
}

.btn-success {
    background-color: var(--success-color);
    color: #fff;
}

.btn-success:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px var(--success-glow);
}

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-icon {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 50%;
}

.btn-icon:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.cursor-pointer {
    cursor: pointer;
}

/* Tarjeta de Acciones Especiales (Agregar/Importar) */
.card-actions {
    display: flex;
    gap: 24px;
    align-items: stretch;
}

.add-student-form {
    flex: 3;
}

.import-students-section {
    flex: 4;
}

.form-row {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.vertical-divider {
    width: 1px;
    background-color: var(--border-color);
}

/* Tablas */
.table-container {
    overflow-x: auto;
}

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

.table-header-flex .card-subtitle {
    margin-bottom: 0;
}

.scrollable-table-wrapper {
    overflow-x: auto;
    width: 100%;
}

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

.table-styled th {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 2px solid var(--border-color);
}

.table-styled td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

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

.table-styled tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

body.light-mode .table-styled tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.01);
}

/* Calificaciones y Campos numéricos en Tablas */
.grade-input {
    width: 55px;
    padding: 6px 8px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    outline: none;
    transition: border-color 0.15s ease;
}

.grade-input:focus {
    border-color: var(--accent-color);
}

/* Quita las flechas de número en los inputs */
.grade-input::-webkit-outer-spin-button,
.grade-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.grade-input[type=number] {
    -moz-appearance: textfield;
}

.cell-center {
    text-align: center !important;
}

.badge {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
}

.badge.status-pass {
    background-color: var(--success-glow);
    color: var(--success-color);
    border-color: rgba(16, 185, 129, 0.3);
}

.badge.status-fail {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger-color);
    border-color: rgba(239, 68, 68, 0.3);
}

/* Pestaña: Trabajo Cotidiano y Asistencia Sub-Navegación */
.subtabs-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
}

.subtabs-nav {
    display: flex;
    gap: 8px;
}

.subtab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.subtab-btn:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.subtab-btn.active {
    background-color: var(--bg-primary);
    color: var(--accent-color);
    box-shadow: inset 0 0 0 1px var(--border-color);
}

.rubric-summary-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Leyenda e ítems de Asistencia */
.attendance-legend {
    display: flex;
    gap: 16px;
}

.legend-item {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.color-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.color-dot.present {
    background-color: var(--border-color);
    border: 1px solid var(--text-muted);
}

.color-dot.absent {
    background-color: var(--danger-color);
}

/* Resumen Final Meta */
.summary-header-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-meta {
    display: flex;
    gap: 32px;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-val {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.1;
    margin-top: 2px;
}

/* Zona de Restablecimiento Peligrosa */
.danger-zone-container {
    margin-top: 12px;
}

.danger-zone-card {
    border-color: rgba(239, 68, 68, 0.25);
    background-color: rgba(239, 68, 68, 0.02);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.danger-text h4 {
    color: var(--danger-color);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.danger-text p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Pie de Página */
.footer {
    text-align: center;
    padding: 24px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: auto;
}

/* Estilos de impresión y ajustes responsivos */
@media (max-width: 1200px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    
    .sidebar-config {
        position: relative;
        top: 0;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .app-container {
        padding: 16px;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .vertical-divider {
        height: 1px;
        width: 100%;
        background-color: var(--border-color);
    }
    
    .summary-header-card {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .summary-meta {
        gap: 20px;
        flex-wrap: wrap;
    }
}

/* ==========================================================================
   Autenticación y Perfil de Usuario
   ========================================================================== */

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ==========================================================================
   Tareas Distribución Panel (Configuración)
   ========================================================================== */

.tareas-dist-panel {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 12px;
    margin-top: -8px;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

body.light-mode .tareas-dist-panel {
    background-color: rgba(0, 0, 0, 0.03);
}

.tareas-dist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.tareas-dist-label {
    color: var(--text-primary);
}

.tareas-dist-status {
    color: var(--text-muted);
}

.tareas-dist-status.invalid {
    color: var(--danger-color);
}

.tareas-items-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tarea-item-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.tarea-item-name {
    flex: 1;
    min-width: 0;
}

.tarea-item-val {
    width: 60px;
}

.btn-remove-tarea {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.btn-remove-tarea:hover {
    color: var(--danger-color);
}

.btn-add-item {
    background: none;
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    padding: 8px;
    font-size: 0.8rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
    margin-top: 4px;
}

.btn-add-item:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: rgba(59, 130, 246, 0.05);
}

/* =====================================================
   AUTH MODAL - CLEAN WHITE CARD DESIGN
   ===================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    overflow: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.auth-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 36px 32px 28px;
    width: 92%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

/* Brand Header */
.auth-header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 20px;
}

.auth-logo-img {
    height: 52px;
    width: auto;
    object-fit: contain;
}

.registry-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-color);
    white-space: nowrap;
}

.auth-brand-divider {
    width: 1.5px;
    height: 44px;
    background: #c8d0dc;
}

.auth-brand-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.auth-brand-text span {
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 400;
}

.auth-brand-text strong {
    font-size: 1.05rem;
    color: #1e2d4e;
    font-weight: 700;
}

.auth-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e2d4e;
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.auth-header p {
    font-size: 0.88rem;
    color: #64748b;
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.auth-field-group label {
    font-size: 0.83rem;
    font-weight: 600;
    color: #374151;
    letter-spacing: 0.01em;
}

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-icon {
    position: absolute;
    left: 12px;
    width: 17px;
    height: 17px;
    color: #9ca3af;
    pointer-events: none;
    flex-shrink: 0;
}

.auth-input {
    width: 100%;
    padding: 11px 42px 11px 40px;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.9rem;
    color: #1e293b;
    background: #ffffff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    box-sizing: border-box;
}

.auth-input::placeholder {
    color: #b0bac6;
}

.auth-input:focus {
    border-color: #3b5bdb;
    box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.12);
}

.auth-eye-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    color: #9ca3af;
    transition: color 0.2s;
}

.auth-eye-btn svg {
    width: 18px;
    height: 18px;
}

.auth-eye-btn:hover {
    color: #374151;
}

.auth-forgot {
    text-align: right;
    margin-top: 4px;
}

.auth-forgot a {
    font-size: 0.82rem;
    color: #3b5bdb;
    text-decoration: none;
    font-weight: 500;
}

.auth-forgot a:hover {
    text-decoration: underline;
}

/* Error */
.auth-error {
    background-color: #fef2f2;
    border-left: 4px solid #ef4444;
    color: #dc2626;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.83rem;
    text-align: left;
}

.auth-error.hidden {
    display: none;
}

/* Primary Button */
.auth-btn-primary {
    width: 100%;
    padding: 13px;
    background: #1e3a8a;
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.01em;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    font-family: inherit;
    margin-top: 4px;
}

.auth-btn-primary:hover {
    background: #1e40af;
    box-shadow: 0 4px 16px rgba(30, 58, 138, 0.35);
    transform: translateY(-1px);
}

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

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #9ca3af;
    font-size: 0.82rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e5e7eb;
}

/* Google Button */
.auth-btn-google {
    width: 100%;
    padding: 11px 16px;
    background: #ffffff;
    color: #374151;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

.auth-btn-google:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Register Link */
.auth-register-link {
    text-align: center;
    font-size: 0.85rem;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.auth-link-btn {
    background: none;
    border: none;
    color: #3b5bdb;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    transition: color 0.2s;
}

.auth-link-btn:hover {
    color: #1e40af;
    text-decoration: underline;
}

/* Pay Modal */
.pay-card {
    text-align: center;
    padding: 30px;
}

.pay-header h2 {
    font-size: 1.6rem;
    color: #0f172a;
    margin-bottom: 10px;
    font-weight: 700;
}

.pay-header p {
    font-size: 0.95rem;
    color: #475569;
    margin-bottom: 20px;
}

.pay-price-badge {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    font-size: 2rem;
    font-weight: 800;
    display: inline-block;
    padding: 15px 30px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.pay-price-badge span {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
}

.pay-features {
    text-align: left;
    background: #f8fafc;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    border: 1px solid #e2e8f0;
}

.pay-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pay-features li {
    font-size: 0.9rem;
    color: #334155;
    margin-bottom: 10px;
    font-weight: 500;
}

.pay-features li:last-child {
    margin-bottom: 0;
}

.paypal-btn-wrapper {
    margin-bottom: 15px;
    min-height: 150px;
}

.pay-footer p {
    font-size: 0.8rem;
    color: #94a3b8;
    margin: 0;
}

/* Encabezado Institucional y Layout del Header */
.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.institution-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.inst-field {
    display: flex;
    align-items: center;
    gap: 8px;
}

.inst-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.inst-input {
    background: transparent;
    border: 1px dashed transparent;
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 2px 6px;
    font-family: inherit;
    transition: all 0.2s;
    width: 200px;
    font-weight: 600;
}

.inst-input.short {
    width: 60px;
    text-align: center;
}

.inst-input:hover, .inst-input:focus {
    border-color: var(--border-color);
    background: var(--bg-tertiary);
    outline: none;
}

/* Month Tabs Edit */
.month-tab-container {
    display: flex;
    align-items: center;
    position: relative;
}

.month-edit-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 2px 4px;
    font-size: 0.8rem;
    margin-left: -2px;
    margin-right: 4px;
    opacity: 0.5;
    transition: opacity 0.2s, color 0.2s;
}

.month-edit-btn:hover {
    opacity: 1;
    color: var(--accent-color);
}

/* Modal Registros */
.registry-card {
    text-align: left;
    padding: 30px;
    width: 450px;
    max-width: 95%;
}

.registry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.registry-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.registry-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.registry-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.registry-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.registry-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.registry-item.active {
    border-color: var(--accent-color);
    background: rgba(37, 99, 235, 0.05);
}

.registry-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.registry-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.registry-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.registry-badge {
    background: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.w-full {
    width: 100%;
}

/* Checkbox Toggle Group en Configuración de Pesos */
.weight-toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    user-select: none;
    flex: 1;
}

.component-checkbox {
    width: 17px;
    height: 17px;
    accent-color: var(--accent-color);
    cursor: pointer;
    border-radius: 4px;
}

.weight-num-input {
    width: 70px !important;
    text-align: center;
    padding: 6px 8px !important;
    font-weight: 600;
}

.weight-num-input:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: var(--bg-tertiary) !important;
}

/* Botones de Asignatura (Modo Grado) */
.btn-subject {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-subject:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-subject.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 2px 8px var(--accent-glow);
}

/* Tarjetas de Selección de Perfil de Docente */
.mode-option-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mode-option-card.selected {
    border-color: var(--accent-color) !important;
    background: var(--accent-glow) !important;
}

/* Layout del Header y Datos Administrativos */
.header-left {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.institution-header {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.inst-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.inst-field {
    display: flex;
    align-items: center;
    gap: 6px;
}

.inst-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.inst-input {
    background: transparent;
    border: 1px dashed transparent;
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 2px 6px;
    font-family: inherit;
    transition: all 0.2s ease;
    width: 160px;
    font-weight: 600;
}

.inst-input.short {
    width: 80px;
    min-width: unset;
    text-align: center;
}

.inst-input:hover, .inst-input:focus {
    border-color: var(--border-color);
    background: var(--bg-tertiary);
    outline: none;
}