/* ================================================
   CSS Personalizado para Frontend de Lotería PR
   Diseño moderno y profesional
   ================================================ */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.20);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --gradient-danger: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    --gradient-info: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    --gradient-warning: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--dark-text);
}

/* Navbar mejorado */
.navbar {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    background: rgba(44, 62, 80, 0.95) !important;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.4rem;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Contenedor principal */
.container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

/* Cards modernos */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Botones modernos */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.6rem 1.5rem;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.5);
}

.btn-success {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    box-shadow: 0 4px 12px rgba(243, 156, 18, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

/* Tablas modernas */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.table thead th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.1);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Formularios elegantes */
.form-control, .form-select {
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    font-size: 1rem;
}

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

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

/* Alertas mejoradas */
.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 1rem 1.5rem;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
}

/* Badges modernos */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

/* Stats cards */
.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border-left: 4px solid var(--secondary-color);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
    color: var(--secondary-color);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-card .stat-label {
    font-size: 0.9rem;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 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 slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-in-out;
}

/* Loading spinner */
.spinner-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
}

/* Breadcrumbs */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-item {
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Pagination */
.pagination {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.page-link {
    border: none;
    margin: 0 2px;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
}

.page-link:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: scale(1.1);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
}

/* Footer */
.footer {
    background: rgba(44, 62, 80, 0.95);
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}

.footer .container {
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 0 auto !important;
}

.footer p {
    color: rgba(255, 255, 255, 0.9) !important;
}

.footer .small {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
        margin-top: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .table {
        font-size: 0.85rem;
    }
}

/* Utility classes */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm-custom {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.shadow-md-custom {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.shadow-lg-custom {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ========================================
   SISTEMA DE COLORES DE TEXTO POR CONTEXTO
   ======================================== */

/* Glass cards (fondo oscuro) - texto claro */
.glass-card,
.glass-card h1, .glass-card h2, .glass-card h3, 
.glass-card h4, .glass-card h5, .glass-card h6,
.glass-card p, .glass-card span, .glass-card label,
.glass-card .fw-bold, .glass-card strong {
    color: #f1f5f9 !important;
}

/* Card premium (fondo oscuro) - texto claro */
.card-premium,
.card-premium h1, .card-premium h2, .card-premium h3, 
.card-premium h4, .card-premium h5, .card-premium h6,
.card-premium p, .card-premium span:not(.badge), .card-premium label,
.card-premium .fw-bold, .card-premium strong {
    color: #f1f5f9 !important;
}

/* Títulos con gradiente - color especial */
.gradient-text {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

/* Container con fondo blanco - texto oscuro */
.container > .card h1, .container > .card h2, .container > .card h3,
.container > .card h4, .container > .card h5, .container > .card h6,
.container > .card p, .container > .card label {
    color: #2c3e50 !important;
}

/* Reportes con fondo blanco (sin glass-card) */
.container:not(:has(.glass-card)) h1,
.container:not(:has(.glass-card)) h2,
.container:not(:has(.glass-card)) h3,
.container:not(:has(.glass-card)) h4,
.container:not(:has(.glass-card)) h5,
.container:not(:has(.glass-card)) h6 {
    color: #2c3e50 !important;
}

/* Sobrescribir text-muted en cards oscuras */
.glass-card .text-muted,
.card-premium .text-muted {
    color: rgba(148, 163, 184, 1) !important;
}

/* Títulos de sección en dashboard (fondo oscuro) */
.card-premium h6.text-muted,
.glass-card h6.text-muted {
    color: #94a3b8 !important;
}

/* ========================================
   TÍTULOS EN REPORTES (fondo blanco)
   ======================================== */

/* Section header premium - títulos sobre fondo blanco */
.section-header-premium h1,
.section-header-premium h2,
.section-header-premium h3,
.section-header-premium h4,
.section-header-premium h5,
.section-header-premium h6 {
    color: #2c3e50 !important;
}

.section-header-premium .text-muted {
    color: #64748b !important;
}

/* Container fluid - todo sobre fondo blanco */
.container-fluid > .row h1,
.container-fluid > .row h2,
.container-fluid > .row > div > .section-header-premium h1,
.container-fluid > .row > div > .section-header-premium h2 {
    color: #2c3e50 !important;
}

/* Asegurar títulos legibles en container blanco */
.container h1, .container h2, .container h3,
.container h4, .container h5, .container h6 {
    color: #2c3e50 !important;
}