/**
 * SENA - Control de Formaci�n
 * Estilos Personalizados
 */

/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    --sena-green: #39A900;
    --sena-orange: #FF6600;
    --sena-blue: #0066CC;
    --sena-gray: #666666;
    
    --font-family-base: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 14px;
    --line-height-base: 1.5;
    
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* ===== ESTILOS GLOBALES ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark-color);
    background-color: #f5f5f5;
}

.container-fluid {
    padding-left: 20px;
    padding-right: 20px;
}

/* ===== COMPONENTES PERSONALIZADOS ===== */

/* Tarjetas */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 15px 20px;
    border-bottom: none;
}

.card-header h5,
.card-header h4,
.card-header h3 {
    margin: 0;
    font-weight: 600;
}

/* Botones */
.btn {
    border-radius: var(--border-radius);
    padding: 8px 16px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.btn-sena {
    background: var(--sena-green);
    color: white;
}

.btn-sena:hover {
    background: #2e8000;
    color: white;
}

.btn-outline-sena {
    border: 2px solid var(--sena-green);
    color: var(--sena-green);
    background: transparent;
}

.btn-outline-sena:hover {
    background: var(--sena-green);
    color: white;
}

/* Formularios */
.form-control,
.form-select {
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    padding: 10px 15px;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.input-group-text {
    background: var(--light-color);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
}

/* Tablas */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    border: none;
    font-weight: 600;
    padding: 15px;
    vertical-align: middle;
}

.table thead th:first-child {
    border-radius: var(--border-radius) 0 0 0;
}

.table thead th:last-child {
    border-radius: 0 var(--border-radius) 0 0;
}

.table tbody td {
    padding: 12px 15px;
    vertical-align: middle;
    border-top: 1px solid #eee;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.table-responsive {
    border-radius: var(--border-radius);
    /* Permitir scroll horizontal cuando la tabla es muy ancha
       y mantener el scroll vertical si es necesario */
    overflow-x: auto;
    overflow-y: auto;
    box-shadow: var(--box-shadow);
}

/* Inputs peque�os para horas en etapa pr�ctica */
.horas-input {
    max-width: 4.2rem;
    min-width: 3.8rem;
    font-size: 0.9rem;
    text-align: center;
    padding: 0.15rem 0.25rem;
}

.hours-cell {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.hours-separator {
    font-size: 0.8rem;
    color: #6c757d;
}

/* ===== P�GINA DE INICIO ===== */
.landing-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="25" cy="75" r="1" fill="white" opacity="0.05"/><circle cx="75" cy="25" r="1" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
}

.brand-text {
    font-weight: 700;
    font-size: 1.2rem;
}

.hero-image {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-element {
    position: absolute;
    font-size: 2rem;
    animation: float 4s ease-in-out infinite;
}

.floating-element:nth-child(2) {
    animation-delay: -1s;
}

.floating-element:nth-child(3) {
    animation-delay: -2s;
}

/* Caracter�sticas */
.feature-card {
    transition: var(--transition);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 2rem;
}

/* Gradientes */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-color) 100%);
}

.bg-gradient-sena {
    background: linear-gradient(135deg, var(--sena-green) 0%, var(--sena-blue) 100%);
}

/* ===== NAVEGACI�N ===== */
.navbar-brand img {
    transition: var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.1);
}

.nav-link {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--warning-color);
    transition: all 0.3s ease;
}

/* Subrayado solo en ítems activos de página o enlaces directos (no toggles abiertos) */
.navbar .nav-link:not(.dropdown-toggle):hover::after,
.navbar .nav-link.active::after {
    width: 100%;
    left: 0;
}

.navbar .nav-link.dropdown-toggle:hover::after {
    width: 0;
    left: 50%;
}

/* ===== SIDEBAR ===== */
.sidebar {
    background: linear-gradient(180deg, var(--dark-color) 0%, #2c3034 100%);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    min-height: 100vh;
}

.sidebar .nav-link {
    color: #adb5bd;
    padding: 12px 20px;
    border-radius: 0;
    transition: var(--transition);
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: rgba(255,255,255,0.1);
    color: white;
}

.sidebar .nav-link i {
    width: 20px;
    margin-right: 10px;
}

/* ===== DASHBOARD ===== */
.dashboard-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.dashboard-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

.dashboard-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== ALERTAS ===== */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 15px 20px;
    box-shadow: var(--box-shadow);
}

.alert-dismissible .btn-close {
    padding: 0.75rem 1rem;
}

/* ===== BADGES ===== */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.5em 0.75em;
    border-radius: 50px;
}

/* Estados */
.status-active {
    background: var(--success-color);
    color: white;
}

.status-inactive {
    background: var(--secondary-color);
    color: white;
}

.status-pending {
    background: var(--warning-color);
    color: var(--dark-color);
}

/* ===== MODALES ===== */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-footer {
    border-top: 1px solid #eee;
}

/* ===== PAGINACI�N ===== */
.pagination .page-link {
    border-radius: var(--border-radius);
    margin: 0 2px;
    border: 1px solid #ddd;
    color: var(--primary-color);
}

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

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

/* ===== BREADCRUMBS ===== */
.breadcrumb {
    background: white;
    border-radius: var(--border-radius);
    padding: 12px 20px;
    box-shadow: var(--box-shadow);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: var(--secondary-color);
}

/* ===== UTILIDADES ===== */
.text-sena-green { color: var(--sena-green) !important; }
.text-sena-orange { color: var(--sena-orange) !important; }
.text-sena-blue { color: var(--sena-blue) !important; }

.bg-sena-green { background-color: var(--sena-green) !important; }
.bg-sena-orange { background-color: var(--sena-orange) !important; }
.bg-sena-blue { background-color: var(--sena-blue) !important; }

.border-sena-green { border-color: var(--sena-green) !important; }
.border-sena-orange { border-color: var(--sena-orange) !important; }
.border-sena-blue { border-color: var(--sena-blue) !important; }

.shadow-soft {
    box-shadow: 0 2px 15px rgba(0,0,0,0.08) !important;
}

.shadow-strong {
    box-shadow: 0 5px 25px rgba(0,0,0,0.15) !important;
}

.rounded-lg {
    border-radius: 15px !important;
}

.font-weight-600 {
    font-weight: 600 !important;
}

.font-weight-700 {
    font-weight: 700 !important;
}

/* ===== ANIMACIONES ===== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ===== LOADING ===== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card {
        margin-bottom: 20px;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .dashboard-card {
        padding: 20px;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 0.875rem;
    }
}

@media (max-width: 576px) {
    :root {
        --font-size-base: 13px;
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .btn-lg {
        padding: 8px 16px;
        font-size: 1rem;
    }
    
    .dashboard-card {
        padding: 15px;
        text-align: center;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
}

/* ===== MODO OSCURO ===== */
@media (prefers-color-scheme: dark) {
    .auto-dark {
        --dark-color: #f8f9fa;
        --light-color: #343a40;
        background-color: #1a1a1a;
        color: #f8f9fa;
    }
    
    .auto-dark .card {
        background-color: #2d3748;
        color: #f8f9fa;
    }
    
    .auto-dark .form-control,
    .auto-dark .form-select {
        background-color: #2d3748;
        border-color: #4a5568;
        color: #f8f9fa;
    }
    
    .auto-dark .table tbody tr:hover {
        background-color: #2d3748;
    }
}

/* ===== IMPRESI�N ===== */
@media print {
    .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .btn {
        display: none;
    }
    
    .table {
        font-size: 12px;
    }
    
    .page-break {
        page-break-before: always;
    }
}