/* ===== ADMIN THEME - BOOTSTRAP 5.3 MODERN DESIGN ===== */

:root {
    /* Colores Base */
    --admin-dark: #0d1117;
    --admin-darker: #010409;
    --admin-secondary: #161b22;
    --admin-tertiary: #21262d;
    --admin-border: #30363d;
    --admin-muted: #6e7681;
    --admin-text: #f0f6fc;
    --admin-text-secondary: #8b949e;
    
    /* Gradientes Modernos */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #6b7280 0%, #374151 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-info: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Reset y Base */
* {
    box-sizing: border-box;
}

body {
    background: var(--admin-dark) !important;
    color: var(--admin-text) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
}

/* ===== LAYOUT CONTAINERS ===== */
.admin-container {
    min-height: 100vh;
    background: var(--admin-dark);
}

.admin-sidebar {
    background: var(--admin-secondary) !important;
    border-right: 1px solid var(--admin-border);
    min-height: 100vh;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 10;
}

.admin-content {
    background: var(--admin-dark) !important;
    min-height: 100vh;
    padding: 0;
}

/* ===== NAVIGATION ===== */
.admin-nav-brand {
    color: var(--admin-text) !important;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--admin-border);
    margin-bottom: 1rem;
}

.admin-nav-brand:hover {
    color: var(--admin-text) !important;
}

.admin-nav-brand i {
    margin-right: 0.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-pills .nav-link {
    color: var(--admin-text-secondary) !important;
    border-radius: 8px !important;
    margin-bottom: 4px;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
    border: none;
    background: transparent;
    font-weight: 500;
}

.nav-pills .nav-link:hover {
    color: var(--admin-text) !important;
    background: var(--admin-tertiary) !important;
    transform: translateX(2px);
}

.nav-pills .nav-link.active {
    background: var(--gradient-primary) !important;
    color: white !important;
    box-shadow: var(--shadow-md);
}

.nav-pills .nav-link i {
    margin-right: 0.5rem;
    width: 16px;
    text-align: center;
}

/* ===== CARDS ===== */
.admin-card {
    background: var(--admin-secondary) !important;
    border: 1px solid var(--admin-border) !important;
    border-radius: 12px !important;
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
    overflow: hidden;
}

.admin-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--admin-border);
}

.admin-card .card-header {
    background: var(--admin-tertiary) !important;
    border-bottom: 1px solid var(--admin-border) !important;
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: var(--admin-text);
}

.admin-card .card-body {
    padding: 1.25rem;
    color: var(--admin-text);
}

/* Cards con gradientes */
.card-gradient-primary {
    background: var(--gradient-primary) !important;
    border: none !important;
    color: white !important;
}

.card-gradient-success {
    background: var(--gradient-success) !important;
    border: none !important;
    color: white !important;
}

.card-gradient-danger {
    background: var(--gradient-danger) !important;
    border: none !important;
    color: white !important;
}

.card-gradient-warning {
    background: var(--gradient-warning) !important;
    border: none !important;
    color: white !important;
}

.card-gradient-info {
    background: var(--gradient-info) !important;
    border: none !important;
    color: white !important;
}

.card-gradient-purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none !important;
    color: white !important;
}

/* ===== STAT CARDS ===== */
.stat-card {
    background: var(--gradient-primary) !important;
    border: none !important;
    border-radius: 12px !important;
    color: white !important;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-card .card-body {
    padding: 1.5rem;
}

.stat-card h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.stat-card h5 {
    font-weight: 600;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

/* ===== BUTTONS ===== */
.btn-admin {
    border-radius: 8px !important;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
    border: none;
}

.btn-admin:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-admin-sm {
    border-radius: 6px !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.875rem;
}

.btn-admin-sm:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Bootstrap button overrides */
.btn-primary {
    background: var(--gradient-primary) !important;
    border: none !important;
    color: white !important;
}

.btn-primary:hover {
    background: var(--gradient-primary) !important;
    opacity: 0.9;
    border: none !important;
}

.btn-outline-light {
    border-color: var(--admin-border) !important;
    color: var(--admin-text) !important;
}

.btn-outline-light:hover {
    background: var(--admin-tertiary) !important;
    border-color: var(--admin-border) !important;
    color: var(--admin-text) !important;
}

.btn-outline-danger {
    border-color: #ef4444 !important;
    color: #ef4444 !important;
}

.btn-outline-danger:hover {
    background: #ef4444 !important;
    border-color: #ef4444 !important;
    color: white !important;
}

/* ===== FORMS ===== */
.form-control, .form-select {
    background: var(--admin-tertiary) !important;
    border: 1px solid var(--admin-border) !important;
    border-radius: 8px !important;
    color: var(--admin-text) !important;
    padding: 0.75rem;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    background: var(--admin-tertiary) !important;
    border-color: #4f46e5 !important;
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25) !important;
    color: var(--admin-text) !important;
}

.form-control::placeholder {
    color: var(--admin-text-secondary) !important;
}

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

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

/* ===== TABLES ===== */
.table-dark {
    background: var(--admin-secondary) !important;
    border-radius: 12px !important;
    overflow: hidden;
    border: 1px solid var(--admin-border);
}

.table-dark thead th {
    background: var(--admin-tertiary) !important;
    border-bottom: 1px solid var(--admin-border) !important;
    color: var(--admin-text) !important;
    font-weight: 600;
    padding: 1rem;
}

.table-dark tbody td {
    border-bottom: 1px solid var(--admin-border) !important;
    color: var(--admin-text) !important;
    padding: 1rem;
}

.table-dark tbody tr:hover {
    background: var(--admin-tertiary) !important;
}

/* ===== ALERTS ===== */
.alert {
    border-radius: 12px !important;
    border: none !important;
    box-shadow: var(--shadow-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1) !important;
    color: #10b981 !important;
    border-left: 4px solid #10b981 !important;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1) !important;
    color: #ef4444 !important;
    border-left: 4px solid #ef4444 !important;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1) !important;
    color: #f59e0b !important;
    border-left: 4px solid #f59e0b !important;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1) !important;
    color: #3b82f6 !important;
    border-left: 4px solid #3b82f6 !important;
}

/* ===== MODALS ===== */
.modal-content {
    background: var(--admin-secondary) !important;
    border: 1px solid var(--admin-border) !important;
    border-radius: 12px !important;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--admin-border) !important;
    background: var(--admin-tertiary) !important;
}

.modal-footer {
    border-top: 1px solid var(--admin-border) !important;
    background: var(--admin-tertiary) !important;
}

.modal-title {
    color: var(--admin-text) !important;
}

/* ===== BADGES ===== */
.badge {
    border-radius: 6px !important;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
}

/* ===== CONTENT AREAS ===== */
.content-preview {
    background: var(--admin-tertiary) !important;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    padding: 1rem;
    color: var(--admin-text-secondary);
    border-left: 4px solid #4f46e5;
}

.info-item {
    background: var(--admin-tertiary) !important;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid #4f46e5;
    color: var(--admin-text);
}

.info-icon {
    background: rgba(79, 70, 229, 0.1);
    color: #4f46e5;
    padding: 0.75rem;
    border-radius: 8px;
    margin-right: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .admin-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--admin-border);
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .admin-nav-brand {
        font-size: 1.1rem;
        padding: 0.75rem;
    }
}

/* ===== UTILITIES ===== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--admin-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--admin-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--admin-muted);
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(79, 70, 229, 0.3);
    color: white;
}

/* ===== BOOTSTRAP OVERRIDES ===== */
.bg-dark {
    background: var(--admin-dark) !important;
}

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

.text-white {
    color: var(--admin-text) !important;
}

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

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

.card {
    background: var(--admin-secondary) !important;
    border: 1px solid var(--admin-border) !important;
}

.card-header {
    background: var(--admin-tertiary) !important;
    border-bottom: 1px solid var(--admin-border) !important;
    color: var(--admin-text) !important;
}

.card-body {
    color: var(--admin-text) !important;
}