/* ----------------------------------------------------
   SISTEMA DE ESTILOS PREMIUM - REPOSITORIO DE TESIS (TEMA CLARO)
   ---------------------------------------------------- */

:root {
    /* Paleta HSL/Hex Armoniosa del Logo Institucional - Tema Claro */
    --bg-main: #f8fafc; /* Slate 50 */
    --bg-surface: #ffffff;
    --bg-surface-glass: rgba(255, 255, 255, 0.85);
    --border-color: #e2e8f0; /* Slate 200 */
    --border-focus: #0072bc; /* Azul de Logo */
    
    --text-primary: #0f172a; /* Slate 900 */
    --text-muted: #64748b; /* Slate 500 */
    
    --primary: #0072bc; /* Azul del agua de Logo */
    --primary-hover: #005691;
    --primary-glow: rgba(0, 114, 188, 0.12);
    
    --accent: #00a650; /* Verde del mapa de Logo */
    --accent-hover: #008540;
    
    /* Estados */
    --success: #00a650;
    --success-bg: #e6f7ef;
    --success-border: #b3ebd0;
    
    --warning: #d97706; /* Oro/Ámbar de la rueda de Logo */
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    
    --danger: #ed1c24; /* Rojo del guacamayo de Logo */
    --danger-bg: #fdf2f2;
    --danger-border: #fbc8c8;
    
    /* Sombras y Bordes */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
}

/* Reset y Reglas Generales */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Contenedor principal */
.app-content-wrapper {
    flex: 1;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* ----------------------------------------------------
   HEADER LAYOUT Y LOGO
   ---------------------------------------------------- */
.main-header {
    background-color: var(--bg-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.header-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
}

.brand-logo .highlight {
    background: linear-gradient(135deg, var(--accent), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Menú de Navegación */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.04);
}

.btn-nav-login {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--primary-glow);
    transition: all 0.3s ease;
}

.btn-nav-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

/* Dropdown de Usuario */
.user-menu {
    position: relative;
    cursor: pointer;
}

.user-badge {
    background-color: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    transition: background 0.3s;
}

.user-badge:hover {
    background-color: rgba(0, 0, 0, 0.06);
}

.dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 8px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    list-style: none;
    display: none;
    overflow: hidden;
    animation: slideDown 0.3s ease-out;
    z-index: 100; /* Evitar que quede detrás de otros elementos */
}

/* Puente transparente para que no se pierda el hover por el margen de 8px */
.user-menu::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
    display: none;
    z-index: 99;
}

.user-menu:hover::after {
    display: block;
}

.user-menu:hover .dropdown-menu {
    display: block;
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    padding: 12px 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all 0.3s;
}

.dropdown-link:hover {
    color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.02);
}

.logout-btn:hover {
    background-color: var(--danger-bg);
    color: var(--danger);
}

/* ----------------------------------------------------
   HERO SECTION
   ---------------------------------------------------- */
.hero-section {
    background: radial-gradient(circle at 80% 20%, rgba(79, 70, 229, 0.06) 0%, rgba(0,0,0,0) 60%), 
                linear-gradient(to bottom, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.5));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
    line-height: 1.2;
    color: var(--text-primary);
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
    margin-bottom: 32px;
}

/* Barra de Búsqueda Hero */
.hero-search-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 6px 6px 20px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin: 0 auto;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.hero-search-box:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.hero-search-box input {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    flex: 1;
    padding: 10px 12px;
    outline: none;
}

.hero-search-box .search-icon {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.btn-search {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 114, 188, 0.2);
}

.btn-search:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 114, 188, 0.3);
}

/* ----------------------------------------------------
   CATÁLOGO / DOS COLUMNAS
   ---------------------------------------------------- */
.catalog-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 32px;
}

/* Filtros Sidebar */
.catalog-filters {
    position: sticky;
    top: 96px;
    height: fit-content;
}

.filter-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.filter-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.clear-filters-btn {
    font-size: 0.8rem;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

.clear-filters-btn:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.filter-form .filter-group {
    margin-bottom: 20px;
}

.filter-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.filter-form select {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: border-color 0.3s;
}

.filter-form select:focus {
    border-color: var(--border-focus);
}

/* Resultados Catálogo */
.results-header {
    margin-bottom: 24px;
}

.results-count {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Grilla de Tesis */
.thesis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.thesis-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 330px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow-sm);
}

.thesis-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79, 70, 229, 0.2);
    box-shadow: var(--shadow-lg);
}

.card-tag {
    align-self: flex-start;
    background-color: rgba(99, 102, 241, 0.08);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.card-title a:hover {
    color: var(--primary);
}

.card-authors {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-abstract {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-footer-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
    margin-top: auto;
}

.card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 14px;
}

.card-stats {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-card-view {
    text-decoration: none;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s, transform 0.3s;
}

.btn-card-view:hover {
    color: var(--primary-hover);
    transform: translateX(3px);
}

/* Paginación */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.pagination-list {
    list-style: none;
    display: flex;
    gap: 8px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.page-link:hover {
    border-color: var(--border-focus);
    color: var(--text-primary);
}

.pagination-list li.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pagination-list li.disabled {
    pointer-events: none;
    opacity: 0.4;
}

/* ----------------------------------------------------
   PAGINA DE DETALLE
   ---------------------------------------------------- */
.detail-wrapper {
    animation: fadeIn 0.5s ease-out;
}

.detail-header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.btn-back-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}

.btn-back-link:hover {
    color: var(--text-primary);
}

.status-badge {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}
.status-pending { background-color: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.status-approved { background-color: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.status-rejected { background-color: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 32px;
    margin-bottom: 40px;
}

.thesis-detail-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.thesis-meta-chips {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.meta-chip {
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.detail-section {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.detail-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.thesis-abstract-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.metadata-table {
    width: 100%;
    border-collapse: collapse;
}

.metadata-table th, .metadata-table td {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.metadata-table th {
    width: 200px;
    font-weight: 600;
    color: var(--text-muted);
    text-align: left;
}

.metadata-table tr:last-child th, .metadata-table tr:last-child td {
    border-bottom: none;
}

/* Sidebar de Acciones */
.action-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
    position: sticky;
    top: 96px;
    box-shadow: var(--shadow-sm);
}

.action-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.stats-counter-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.stat-box {
    background-color: rgba(0, 0, 0, 0.01);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-lbl {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-top: 4px;
}

.btn-download-pdf {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    padding: 16px;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--primary-glow);
    width: 100%;
}

.btn-download-pdf:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

/* Panel Evaluación Docente */
.evaluation-card {
    border: 1px solid var(--warning-border);
    background: linear-gradient(180deg, var(--bg-surface) 0%, rgba(245, 158, 11, 0.01) 100%);
}

.evaluation-form .form-group {
    margin-bottom: 16px;
}

.evaluation-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.evaluation-form select, .evaluation-form textarea {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 10px;
    outline: none;
}

.btn-submit-review {
    width: 100%;
    background-color: var(--warning);
    color: white;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-sm);
    padding: 12px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit-review:hover {
    background-color: #b45309;
}

/* Línea de tiempo de revisiones */
.reviews-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.review-timeline-item {
    border-left: 3px solid var(--primary);
    padding-left: 20px;
    margin-left: 8px;
}

.review-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.review-status-tag {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.review-status-tag.tag-approved { background-color: var(--success-bg); color: var(--success); }
.review-status-tag.tag-rejected { background-color: var(--danger-bg); color: var(--danger); }

.review-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.review-comments {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Visor de PDF Integrado */
.pdf-viewer-section {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 32px;
    box-shadow: var(--shadow-sm);
}

.pdf-viewer-section h3 {
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.pdf-iframe-container {
    background-color: #f1f5f9;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* ----------------------------------------------------
   PANEL DE CONTROL (DASHBOARD)
   ---------------------------------------------------- */
.dashboard-wrapper {
    animation: fadeIn 0.5s ease-out;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.welcome-box h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.role-badge {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}
.role-admin { background-color: rgba(6, 182, 212, 0.1); color: var(--accent); }
.role-teacher { background-color: rgba(245, 158, 11, 0.1); color: var(--warning); }
.role-student { background-color: rgba(99, 102, 241, 0.1); color: var(--primary); }

.dashboard-actions-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--primary-glow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

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

/* Tarjetas de Estadísticas */
.stats-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.icon-total { background-color: rgba(99, 102, 241, 0.08); color: var(--primary); }
.icon-approved { background-color: var(--success-bg); color: var(--success); }
.icon-pending { background-color: var(--warning-bg); color: var(--warning); }
.icon-rejected { background-color: var(--danger-bg); color: var(--danger); }
.icon-analytics { background-color: rgba(6, 182, 212, 0.08); color: var(--accent); }

.stat-info .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
}

.stat-info .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tabla del Dashboard */
.section-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.section-card-header {
    margin-bottom: 24px;
}

.section-card-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
}

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

.dashboard-table {
    width: 100%;
    border-collapse: collapse;
}

.dashboard-table th, .dashboard-table td {
    padding: 16px 20px;
    font-size: 0.9rem;
    text-align: left;
}

.dashboard-table th {
    background-color: rgba(0, 0, 0, 0.01);
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border-color);
}

.dashboard-table td {
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.td-title-bold {
    font-weight: 600;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
}

.indicator-pending { background-color: var(--warning-bg); color: var(--warning); }
.indicator-approved { background-color: var(--success-bg); color: var(--success); }
.indicator-rejected { background-color: var(--danger-bg); color: var(--danger); }

/* Acciones en Tabla */
.actions-group-inline {
    display: inline-flex;
    gap: 8px;
}

.btn-table-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.btn-table-action.view {
    color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.02);
}

.btn-table-action.view:hover {
    background-color: rgba(0, 0, 0, 0.06);
}

.btn-table-action.evaluate {
    color: #fff;
    background-color: var(--warning);
    border-color: var(--warning);
}

.btn-table-action.evaluate:hover {
    background-color: #b45309;
}

.empty-dashboard-state {
    text-align: center;
    padding: 48px 0;
}

.empty-dashboard-state p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

/* ----------------------------------------------------
   FORMULARIOS PREMIUM
   ---------------------------------------------------- */
.form-container-wrapper {
    animation: fadeIn 0.5s ease-out;
}

.form-header-nav {
    margin-bottom: 32px;
}

.form-page-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-top: 12px;
}

.form-page-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

.premium-form-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.form-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.form-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.premium-form-layout .form-group {
    margin-bottom: 20px;
}

.premium-form-layout .form-group-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.premium-form-layout label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.premium-form-layout input[type="text"],
.premium-form-layout input[type="date"],
.premium-form-layout select,
.premium-form-layout textarea {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 14px;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s;
}

.premium-form-layout input[type="text"]:focus,
.premium-form-layout input[type="date"]:focus,
.premium-form-layout select:focus,
.premium-form-layout textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Upload PDF Zone */
.file-upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload-zone:hover {
    border-color: var(--border-focus);
    background-color: rgba(0, 0, 0, 0.01);
}

.file-upload-zone .upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.upload-zone-text {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.upload-zone-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 12px;
}

.selected-file-name {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.form-actions-bottom {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.btn-submit-form {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px var(--primary-glow);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-submit-form:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

.btn-cancel-form {
    background-color: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-cancel-form:hover {
    background-color: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

/* ----------------------------------------------------
   ALERTAS
   ---------------------------------------------------- */
.alert {
    background-color: rgba(0,0,0,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.alert-danger { background-color: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.alert-success { background-color: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }

/* ----------------------------------------------------
   FOOTER LAYOUT
   ---------------------------------------------------- */
.main-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 32px 24px;
    margin-top: 60px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ----------------------------------------------------
   ANIMACIONES
   ---------------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ----------------------------------------------------
   RESPONSIVIDAD (MEDIA QUERIES)
   ---------------------------------------------------- */
@media (max-width: 1024px) {
    .catalog-container {
        grid-template-columns: 1fr;
    }
    
    .catalog-filters {
        position: static;
        width: 100%;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .action-card {
        position: static;
    }
    
    .form-two-columns {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        position: relative;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-surface);
        border-bottom: 1px solid var(--border-color);
        padding: 16px 24px;
        box-shadow: var(--shadow-lg);
    }
    
    .main-nav.active {
        display: block;
        animation: slideDown 0.3s ease-out;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .user-menu:hover .dropdown-menu {
        display: none;
    }
    
    .user-menu::after {
        display: none !important;
    }
    
    .user-menu.active .dropdown-menu {
        display: block;
        position: static;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--border-color);
        margin-top: 8px;
        padding-left: 12px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

/* ----------------------------------------------------
   COMPATIBILIDAD Y OPTIMIZACIÓN MULTIDISPOSITIVO (MÓVILES EXTRAS)
   ---------------------------------------------------- */
@media (max-width: 576px) {
    .app-content-wrapper {
        padding: 24px 16px;
    }
    
    .hero-section {
        padding: 40px 16px;
        border-radius: var(--radius-md);
    }
    
    .hero-title {
        font-size: 1.85rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }
    
    .hero-search-box {
        flex-direction: column;
        padding: 8px;
        gap: 8px;
        border-radius: var(--radius-md);
    }

    .hero-search-box input {
        width: 100%;
        padding: 8px 0;
        text-align: center;
    }

    .btn-search {
        width: 100%;
        padding: 12px;
    }

    .thesis-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .thesis-card {
        padding: 20px;
        min-height: auto;
    }
    
    .detail-section {
        padding: 20px;
    }
    
    .stats-overview-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .section-card {
        padding: 20px;
    }
}

/* Prevenir zoom automático al enfocar inputs en Safari para iOS y mejorar toque */
input, select, textarea {
    font-size: 16px !important; 
}

button, a, input[type="submit"], select {
    touch-action: manipulation;
}