/* ===================================
   Sistema RRHH - Universidad Central
   Estilos Personalizados con Dark Mode
   =================================== */

/* Variables de Color - Light Mode (Default) */
:root {
    --primary-color: #FFFFFF;
    --secondary-color: #183c5a;
    --accent-color: #6abdbc;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #183c5a;
    --text-primary: #183c5a;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    
    /* Fondos */
    --body-bg: #FFFFFF;
    --card-bg: #FFFFFF;
    --navbar-bg: #183c5a;
    --sidebar-bg: #f8f9fa;
    --hover-bg: #f8f9fa;
    
    /* Bordes */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    /* Inputs */
    --input-bg: #FFFFFF;
    --input-border: #e0e0e0;
    --input-focus-border: #6abdbc;
    --input-focus-shadow: rgba(106, 189, 188, 0.25);
}

/* Variables de Color - Dark Mode */
[data-theme="dark"] {
    --primary-color: #1a1a1a;
    --secondary-color: #2a5875;
    --accent-color: #4a9d9c;
    --success-color: #20c997;
    --danger-color: #e63946;
    --warning-color: #ffb703;
    --info-color: #3498db;
    --light-color: #2c2c2c;
    --dark-color: #e9ecef;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    
    /* Fondos */
    --body-bg: #1a1a1a;
    --card-bg: #2c2c2c;
    --navbar-bg: #0d1b2a;
    --sidebar-bg: #212529;
    --hover-bg: #343a40;
    
    /* Bordes */
    --border-color: #495057;
    --border-light: #3a3a3a;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    
    /* Inputs */
    --input-bg: #2c2c2c;
    --input-border: #495057;
    --input-focus-border: #4a9d9c;
    --input-focus-shadow: rgba(74, 157, 156, 0.25);
}

/* Transición suave al cambiar tema */
body.theme-transitioning,
body.theme-transitioning *,
body.theme-transitioning *:before,
body.theme-transitioning *:after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

/* =====================================
   SISTEMA DE ALERTAS PERMANENTES GLOBAL
   ===================================== */
.alert {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.alert.show {
    opacity: 1 !important;
}

.alert.fade {
    opacity: 1 !important;
    transition: none !important;
}

.alert .btn-close,
.alert [data-bs-dismiss="alert"] {
    display: none !important;
}

/* Clases especiales para alertas que SÍ se deben poder cerrar (modales, etc.) */
.alert-closeable {
    display: block;
    opacity: 1;
    visibility: visible;
}

.alert-closeable .btn-close,
.alert-closeable [data-bs-dismiss="alert"] {
    display: block !important;
}

/* Estilos Generales */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--body-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

main {
    flex: 1;
    background-color: var(--body-bg);
}

/* Navbar */
.navbar {
    box-shadow: var(--shadow-sm);
    background-color: var(--navbar-bg) !important;
}

.navbar-dark {
    background-color: var(--navbar-bg) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
    color: #ffffff !important;
}

.nav-link {
    color: rgba(255,255,255,0.85) !important;
}

.nav-link:hover {
    color: #ffffff !important;
}

/* Botón de tema */
#theme-toggle {
    color: rgba(255,255,255,0.85) !important;
    font-size: 1.2rem;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    color: #ffffff !important;
    transform: rotate(20deg);
}

/* Logo Styles */
.navbar-brand img {
    transition: all 0.3s ease;
    filter: brightness(1.1);
    object-fit: contain;
}

.navbar-brand img:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

.login-header img {
    transition: all 0.3s ease;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.login-header img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 12px rgba(0,0,0,0.15));
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
}

.nav-link.active {
    font-weight: 700;
}

/* Cards */
.card {
    border-radius: 12px;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
    background-color: var(--card-bg);
    border-bottom-color: var(--border-color);
    color: var(--text-primary);
}

.card-body {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.card-footer {
    background-color: var(--card-bg);
    border-top-color: var(--border-color);
}

/* Stat Cards (Dashboard) */
.stat-card {
    border-radius: 15px;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
    border-color: var(--border-light);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

/* Quick Action Cards */
.quick-action-card {
    border-radius: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.quick-action-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.quick-action-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid var(--input-border);
    padding: 0.6rem 1rem;
    transition: all 0.3s ease;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 0.2rem var(--input-focus-shadow);
    background-color: var(--input-bg);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-secondary);
}

/* Input Groups */
.input-group-text {
    border: 2px solid var(--input-border);
    border-right: none;
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.input-group .form-control {
    border-left: none;
}

/* Tables */
.table {
    border-radius: 8px;
    overflow: hidden;
    color: var(--text-primary);
}

.table thead th {
    background-color: var(--light-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
}

.table tbody tr {
    transition: all 0.2s ease;
    background-color: var(--card-bg);
    border-color: var(--border-light);
}

.table tbody tr:hover {
    background-color: var(--hover-bg);
    transform: scale(1.01);
}

.table tbody td {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--hover-bg);
}

/* Badges */
.badge {
    padding: 0.5rem 0.8rem;
    font-weight: 600;
    border-radius: 6px;
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: var(--shadow-sm);
}

.alert-dismissible .btn-close {
    padding: 1rem;
    filter: var(--bs-btn-close-white-filter, none);
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Footer */
.footer {
    background-color: #f8f9fa;
    border-top: 1px solid #dee2e6;
    margin-top: auto;
}

/* Search Input */
.input-group-lg .form-control {
    font-size: 1.1rem;
    padding: 0.8rem 1.2rem;
}

.input-group-text {
    border: 2px solid #e0e0e0;
    border-right: none;
    background-color: white;
}

/* Modal */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: var(--shadow-lg);
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.modal-header {
    border-radius: 15px 15px 0 0;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    background-color: var(--card-bg);
}

.modal-body {
    padding: 2rem;
    background-color: var(--card-bg);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    background-color: var(--card-bg);
}

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

/* Dropdown */
.dropdown-menu {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    background-color: var(--card-bg);
}

.dropdown-item {
    padding: 0.7rem 1.5rem;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateX(5px);
}

.dropdown-item:focus {
    background-color: var(--accent-color);
    color: white;
}

.dropdown-divider {
    border-color: var(--border-color);
}

/* Loading Spinner */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Scrollbar Personalizado */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-primary);
}

/* List Groups */
.list-group-item {
    border-left: 4px solid var(--accent-color);
    transition: all 0.2s ease;
    background-color: var(--card-bg);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.list-group-item:hover {
    background-color: var(--hover-bg);
    transform: translateX(5px);
}

/* Footer */
.footer {
    background-color: var(--navbar-bg);
    border-top: 1px solid var(--border-color);
    color: rgba(255,255,255,0.85);
}

/* Text Utilities Dark Mode */
[data-theme="dark"] .text-muted {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}

/* Progress Bar */
.progress {
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--light-color);
}

.progress-bar {
    font-weight: 700;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .quick-action-card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    /* Menú radial adaptativo */
    .radial-menu {
        width: 100%;
        max-width: 400px;
    }
    
    /* Botones de acción flotantes en móvil */
    .mobile-fab {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 1000;
    }
    
    .mobile-fab button {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        box-shadow: var(--shadow-lg);
    }
}

/* Mejores touch targets para móvil */
.btn {
    min-height: 44px;
    min-width: 44px;
}

/* Prevenir zoom en inputs en iOS */
@media screen and (max-width: 768px) {
    input, select, textarea {
        font-size: 16px !important;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Utilidades */
.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow {
    box-shadow: var(--shadow) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* Dark Mode - Ajustes específicos para imágenes */
[data-theme="dark"] img {
    opacity: 0.9;
}

[data-theme="dark"] img:hover {
    opacity: 1;
}

/* Dark Mode - Ajustes para iconos */
[data-theme="dark"] .bi {
    filter: none;
}

/* ========================================
   BÚSQUEDA AVANZADA - SUGERENCIAS
   ======================================== */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: 0.25rem;
    display: none;
}

.suggestion-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item.active {
    background-color: var(--hover-bg);
}

.suggestion-item.loading,
.suggestion-item.error,
.suggestion-item.no-results {
    cursor: default;
    justify-content: center;
    color: var(--text-secondary);
}

.suggestion-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-color);
    color: white;
    border-radius: 8px;
    margin-right: 0.75rem;
}

.suggestion-content {
    flex: 1;
    min-width: 0;
}

.suggestion-title {
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggestion-title mark {
    background-color: #fff3cd;
    color: #000;
    padding: 0 0.2rem;
    border-radius: 2px;
    font-weight: 700;
}

[data-theme="dark"] .suggestion-title mark {
    background-color: #664d03;
    color: #ffda6a;
}

.suggestion-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.25rem;
}

.suggestion-item .badge {
    margin-left: 0.5rem;
    flex-shrink: 0;
}

/* Scroll personalizado para sugerencias */
.search-suggestions::-webkit-scrollbar {
    width: 6px;
}

.search-suggestions::-webkit-scrollbar-track {
    background: var(--light-color);
}

.search-suggestions::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 3px;
}

.search-suggestions::-webkit-scrollbar-thumb:hover {
    background: var(--text-primary);
}

/* Animación de entrada */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-suggestions {
    animation: slideDown 0.2s ease-out;
}

/* ========================================
   FIN BÚSQUEDA AVANZADA
   ======================================== */

/* ========================================
   SISTEMA DE NOTIFICACIONES
   ======================================== */
.notifications-dropdown {
    width: 380px;
    max-width: 90vw;
    padding: 0;
}

.notifications-dropdown .dropdown-header {
    padding: 1rem 1.25rem;
    background-color: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.notifications-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    align-items: start;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-light);
    position: relative;
    background-color: var(--card-bg);
}

.notification-item:hover {
    background-color: var(--hover-bg);
}

.notification-item.unread {
    background-color: var(--info-soft, #e1f5fe);
}

[data-theme="dark"] .notification-item.unread {
    background-color: rgba(52, 152, 219, 0.1);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.notification-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.notification-time i {
    font-size: 0.7rem;
}

.notification-unread-dot {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 8px;
    height: 8px;
    background-color: #dc3545;
    border-radius: 50%;
}

/* Badge de notificaciones */
#notificationsBadge {
    font-size: 0.65rem;
    padding: 0.25em 0.4em;
}

/* Animación de pulso para nuevas notificaciones */
@keyframes bellPulse {
    0% {
        transform: rotate(0deg);
    }
    10% {
        transform: rotate(-15deg);
    }
    20% {
        transform: rotate(15deg);
    }
    30% {
        transform: rotate(-10deg);
    }
    40% {
        transform: rotate(10deg);
    }
    50% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

#notificationsBell.pulse {
    animation: bellPulse 1s ease-in-out;
}

/* Scroll personalizado para notificaciones */
.notifications-list::-webkit-scrollbar {
    width: 6px;
}

.notifications-list::-webkit-scrollbar-track {
    background: var(--light-color);
}

.notifications-list::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 3px;
}

.notifications-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-primary);
}

/* Responsive */
@media (max-width: 576px) {
    .notifications-dropdown {
        width: calc(100vw - 20px);
        right: -100px !important;
        left: auto !important;
    }
    
    .notification-item {
        padding: 0.75rem 1rem;
    }
    
    .notification-icon {
        width: 35px;
        height: 35px;
    }
}

/* ========================================
   FIN SISTEMA DE NOTIFICACIONES
   ======================================== */

/* Mejoras visuales adicionales */
.text-primary {
    color: var(--secondary-color) !important;
}

.bg-primary {
    background-color: var(--secondary-color) !important;
}

.border-primary {
    border-color: var(--secondary-color) !important;
}

.text-secondary {
    color: var(--accent-color) !important;
}

.bg-secondary {
    background-color: var(--accent-color) !important;
}

/* Hover effects mejorados */
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}