/**
 * Path: /libs/css/general.css
 * Autor: pyrukent
 * Versión: v0.1.1-dev
 * Descripción: Estilos principales del sistema - UI/UX formal, moderno y serio
 */

/* ===== VARIABLES CSS ===== */
:root {
    /* Fuentes del sistema */
    --font-primary: 'Poiret One', cursive;
    --font-secondary: 'Darker Grotesque', sans-serif;
    
    /* Colores principales - paleta formal y seria */
    --color-primary: #2c3e50;
    --color-primary-light: #34495e;
    --color-primary-dark: #1a252f;
    
    --color-secondary: #3498db;
    --color-secondary-light: #5dade2;
    --color-secondary-dark: #2980b9;
    
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    --color-info: #17a2b8;
    
    /* Colores neutros */
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    /* Colores de fondo */
    --bg-body: #f8f9fa;
    --bg-sidebar: #f1f3f4;
    --bg-card: #ffffff;
    --bg-table-header: #e9ecef;
    
    /* Sombras */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Bordes */
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-width: 1px;
    --border-color: #dee2e6;
}

/* ===== CONFIGURACIÓN GLOBAL ===== */
* {
    box-sizing: border-box;
}

html {
    font-size: 17px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--bg-body);
    margin: 0;
    padding: 0;
}

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

/* ===== NAVBAR PERSONALIZADO ===== */
.navbar-dark {
    background-color: var(--color-primary) !important;
}

.navbar-brand {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 400;
}

.navbar-nav .nav-link {
    font-family: var(--font-secondary);
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
}

.dropdown-item {
    font-family: var(--font-secondary);
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

/* ===== CARDS Y CONTENEDORES ===== */
.card {
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-card);
    transition: box-shadow 0.3s ease;
}

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

.card-header {
    background-color: var(--bg-table-header);
    border-bottom: var(--border-width) solid var(--border-color);
    font-family: var(--font-primary);
    font-weight: 400;
    color: var(--color-primary);
    font-size: 1.1rem;
}

.card-title {
    font-family: var(--font-primary);
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

/* ===== FORMULARIOS ===== */
.form-control, .form-select {
    font-family: var(--font-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.form-label {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.input-group-text {
    background-color: var(--bg-table-header);
    border-color: var(--border-color);
    color: var(--color-gray-600);
}

/* ===== BOTONES ===== */
.btn {
    font-family: var(--font-secondary);
    font-weight: 500;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border-width: var(--border-width);
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* ===== TABLAS ===== */
.table {
    font-family: var(--font-secondary);
}

.table th {
    background-color: var(--bg-table-header);
    border-color: var(--border-color);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table td, .table th {
    border-color: var(--border-color);
    padding: 1rem 0.75rem;
    vertical-align: middle;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(248, 249, 250, 0.5);
}

.table-hover tbody tr:hover {
    background-color: var(--color-gray-100);
}

/* ===== ALERTAS ===== */
.alert {
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-secondary);
    font-weight: 500;
}

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    color: #155724;
    border-left: 4px solid var(--color-success);
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    color: #721c24;
    border-left: 4px solid var(--color-danger);
}

.alert-warning {
    background-color: rgba(243, 156, 18, 0.1);
    color: #856404;
    border-left: 4px solid var(--color-warning);
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    color: #0c5460;
    border-left: 4px solid var(--color-info);
}

/* ===== MODALES ===== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: var(--border-width) solid var(--border-color);
    background-color: var(--bg-table-header);
}

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

.modal-footer {
    border-top: var(--border-width) solid var(--border-color);
    background-color: var(--bg-table-header);
}

/* ===== BADGES ===== */
.badge {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--border-radius);
}

/* ===== FOOTER ===== */
.footer {
    margin-top: auto;
    background-color: var(--bg-sidebar) !important;
    border-color: var(--border-color) !important;
}

.footer p, .footer small {
    font-family: var(--font-secondary);
}

/* ===== TIMELINE COMPONENTS ===== */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-date {
    margin: 1.5rem 0 1rem 0;
    padding-left: 1rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-marker {
    position: absolute;
    left: -1.5rem;
    top: 0.25rem;
    width: 2rem;
    height: 2rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    z-index: 1;
}

.timeline-content {
    background: var(--color-gray-100);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    margin-left: 1rem;
    transition: background-color 0.2s ease;
}

.timeline-content:hover {
    background: var(--color-gray-200);
}

/* ===== UTILIDADES ===== */
.shadow-custom {
    box-shadow: var(--shadow) !important;
}

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

.border-custom {
    border: var(--border-width) solid var(--border-color) !important;
}

.bg-custom-light {
    background-color: var(--bg-sidebar) !important;
}

/* ===== ESPACIADO PERSONALIZADO ===== */
.section-spacing {
    padding: 2rem 0;
}

.card-spacing {
    margin-bottom: 1.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .btn {
        padding: 0.5rem 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-marker {
        left: -1rem;
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.6rem;
    }
}

@media (max-width: 576px) {
    .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .btn-sm {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* ===== ESTADOS DE CARGA ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-custom {
    width: 2rem;
    height: 2rem;
    border: 0.25rem solid var(--color-gray-300);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== CAPTCHA ===== */
.captcha-question {
    background-color: var(--color-primary) !important;
    color: white !important;
    font-weight: 600 !important;
    font-family: var(--font-secondary) !important;
}

/* ===== DASHBOARD ESPECÍFICO ===== */
.stats-card {
    border: none;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-sidebar) 100%);
}

.stats-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.stats-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-primary);
}

.stats-label {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ===== MEJORAS DE LEGIBILIDAD ===== */
.table {
    font-size: 0.95rem;
}

.btn {
    font-size: 0.95rem;
}

.navbar-nav .nav-link {
    font-size: 0.95rem;
}

.form-control, .form-select {
    font-size: 0.95rem;
}

/* ===== ACCESIBILIDAD ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== HOVER EFFECTS SUTILES ===== */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* ===== FOCUS STATES ===== */
button:focus, .btn:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

a:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
    text-decoration: none;
}

/* ===== MÓDULO NOTIFICACIONES v0.6.0-dev ===== */
.notification-item {
    transition: background-color 0.2s ease;
}

.notification-item:hover {
    background-color: var(--color-gray-100);
}

.notification-unread {
    background-color: rgba(243, 156, 18, 0.1);
    border-left: 4px solid var(--color-warning);
}

.notification-unread:hover {
    background-color: rgba(243, 156, 18, 0.15);
}