/* ===========================================
   ADMIN PANEL - ESTILOS MODERNOS
   Sistema Rey de la Cancha
   Tema: Glassmorphism + Verde Premium
   =========================================== */

/* ==================== VARIABLES ==================== */
:root {
    --admin-bg-primary: #0a0f14;
    --admin-bg-secondary: #0f1419;
    --admin-bg-card: linear-gradient(145deg, rgba(20, 30, 40, 0.95) 0%, rgba(15, 20, 30, 0.98) 100%);
    --admin-border-color: rgba(16, 185, 129, 0.15);
    --admin-border-glow: rgba(16, 185, 129, 0.3);
    --admin-text-primary: #f1f5f9;
    --admin-text-secondary: #94a3b8;
    --admin-text-muted: #64748b;
    --admin-green-primary: #10b981;
    --admin-green-light: #34d399;
    --admin-green-glow: rgba(16, 185, 129, 0.4);
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-info: #3b82f6;
    --admin-purple: #8b5cf6;
}

/* ==================== BASE CONTAINER ==================== */
.admin-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--admin-bg-primary) 0%, var(--admin-bg-secondary) 50%, var(--admin-bg-primary) 100%);
    padding: 2rem 1rem;
    position: relative;
}

.admin-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(16, 185, 129, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(52, 211, 153, 0.04) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.admin-page > * {
    position: relative;
    z-index: 1;
}

/* ==================== HEADER ==================== */
.admin-header {
    margin-bottom: 2rem;
}

.admin-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-title {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, var(--admin-green-primary) 0%, var(--admin-green-light) 50%, #6ee7b7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-title i {
    -webkit-text-fill-color: var(--admin-green-primary);
}

.admin-subtitle {
    color: var(--admin-text-secondary);
    margin: 0.5rem 0 0;
    font-size: 0.95rem;
}

.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--admin-green-primary), #059669);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 4px 15px var(--admin-green-glow);
}

/* ==================== CARDS ==================== */
.admin-card {
    background: var(--admin-bg-card);
    border-radius: 20px;
    border: 1px solid var(--admin-border-color);
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.3),
        0 0 60px rgba(16, 185, 129, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-card:hover {
    border-color: var(--admin-border-glow);
    box-shadow: 
        0 15px 50px rgba(0, 0, 0, 0.4),
        0 0 80px rgba(16, 185, 129, 0.1);
    transform: translateY(-3px);
}

.admin-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--admin-border-color);
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.1) 0%, transparent 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.admin-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--admin-text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-card-title i {
    color: var(--admin-green-primary);
}

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

/* ==================== METRIC CARDS ==================== */
.admin-metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.admin-metric-card {
    background: var(--admin-bg-card);
    border-radius: 16px;
    border: 1px solid var(--admin-border-color);
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.admin-metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--metric-color, var(--admin-green-primary));
    border-radius: 4px 0 0 4px;
}

.admin-metric-card:hover {
    transform: translateY(-5px);
    border-color: var(--admin-border-glow);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.admin-metric-card.metric-green { --metric-color: var(--admin-green-primary); }
.admin-metric-card.metric-blue { --metric-color: var(--admin-info); }
.admin-metric-card.metric-orange { --metric-color: var(--admin-warning); }
.admin-metric-card.metric-red { --metric-color: var(--admin-danger); }
.admin-metric-card.metric-purple { --metric-color: var(--admin-purple); }

.admin-metric-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.admin-metric-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--admin-green-primary);
}

.admin-metric-card.metric-blue .admin-metric-icon {
    background: rgba(59, 130, 246, 0.15);
    color: var(--admin-info);
}

.admin-metric-card.metric-orange .admin-metric-icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--admin-warning);
}

.admin-metric-card.metric-red .admin-metric-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--admin-danger);
}

.admin-metric-card.metric-purple .admin-metric-icon {
    background: rgba(139, 92, 246, 0.15);
    color: var(--admin-purple);
}

.admin-metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--admin-text-primary);
    line-height: 1.2;
}

.admin-metric-label {
    color: var(--admin-text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* ==================== ACTION CARDS ==================== */
.admin-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.admin-action-card {
    background: var(--admin-bg-card);
    border-radius: 16px;
    border: 1px solid var(--admin-border-color);
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.admin-action-card:hover {
    border-color: var(--admin-border-glow);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.admin-action-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-action-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.admin-action-icon.icon-danger { background: rgba(239, 68, 68, 0.15); color: var(--admin-danger); }
.admin-action-icon.icon-warning { background: rgba(245, 158, 11, 0.15); color: var(--admin-warning); }
.admin-action-icon.icon-success { background: rgba(16, 185, 129, 0.15); color: var(--admin-green-primary); }
.admin-action-icon.icon-info { background: rgba(59, 130, 246, 0.15); color: var(--admin-info); }
.admin-action-icon.icon-purple { background: rgba(139, 92, 246, 0.15); color: var(--admin-purple); }

.admin-action-content h5 {
    color: var(--admin-text-primary);
    font-weight: 700;
    font-size: 1rem;
    margin: 0 0 0.25rem;
}

.admin-action-content p {
    color: var(--admin-text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.admin-action-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1rem;
}

/* ==================== BUTTONS ==================== */
.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.admin-btn-primary {
    background: linear-gradient(135deg, var(--admin-green-primary), #059669);
    color: white;
    box-shadow: 0 4px 15px var(--admin-green-glow);
}

.admin-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--admin-green-glow);
    color: white;
}

.admin-btn-outline {
    background: transparent;
    border: 2px solid var(--admin-border-color);
    color: var(--admin-text-secondary);
}

.admin-btn-outline:hover {
    border-color: var(--admin-green-primary);
    color: var(--admin-green-primary);
    background: rgba(16, 185, 129, 0.1);
}

.admin-btn-danger {
    background: linear-gradient(135deg, var(--admin-danger), #dc2626);
    color: white;
}

.admin-btn-warning {
    background: linear-gradient(135deg, var(--admin-warning), #d97706);
    color: white;
}

.admin-btn-info {
    background: linear-gradient(135deg, var(--admin-info), #2563eb);
    color: white;
}

.admin-btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
}

/* ==================== BADGES ==================== */
.admin-badge-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.admin-badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--admin-green-light);
}

.admin-badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.admin-badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.admin-badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.admin-badge-purple {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

/* ==================== TABLES ==================== */
.admin-table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--admin-border-color);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table thead {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.admin-table th {
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    color: var(--admin-text-primary);
    border-bottom: 1px solid var(--admin-border-color);
    white-space: nowrap;
}

.admin-table td {
    padding: 1rem 1.25rem;
    color: var(--admin-text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: middle;
}

.admin-table tbody tr {
    transition: background 0.2s ease;
}

.admin-table tbody tr:hover {
    background: rgba(16, 185, 129, 0.05);
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

/* ==================== FORMS ==================== */
.admin-form-group {
    margin-bottom: 1.25rem;
}

.admin-form-label {
    display: block;
    color: var(--admin-text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.admin-form-control {
    width: 100%;
    padding: 0.9rem 1.15rem;
    background: rgba(15, 23, 42, 0.8);
    border: 2px solid var(--admin-border-color);
    border-radius: 12px;
    color: var(--admin-text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
}

.admin-form-control:focus {
    outline: none;
    border-color: var(--admin-green-primary);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
    background: rgba(15, 23, 42, 0.95);
}

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

.admin-form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.admin-form-hint {
    font-size: 0.8rem;
    color: var(--admin-text-muted);
    margin-top: 0.35rem;
}

/* ==================== MODALS ==================== */
.admin-modal .modal-content {
    background: var(--admin-bg-card);
    border: 1px solid var(--admin-border-color);
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.admin-modal .modal-header {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.15) 0%, transparent 100%);
    border-bottom: 1px solid var(--admin-border-color);
    padding: 1.25rem 1.5rem;
}

.admin-modal .modal-title {
    color: var(--admin-text-primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-modal .modal-body {
    padding: 1.5rem;
}

.admin-modal .modal-footer {
    border-top: 1px solid var(--admin-border-color);
    padding: 1.25rem 1.5rem;
    gap: 0.75rem;
}

.admin-modal .btn-close {
    filter: invert(1);
    opacity: 0.5;
}

.admin-modal .btn-close:hover {
    opacity: 1;
}

/* ==================== ALERTS ==================== */
.admin-alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 1px solid;
}

.admin-alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

.admin-alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--admin-green-light);
}

.admin-alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

.admin-alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* ==================== EMPTY STATES ==================== */
.admin-empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.admin-empty-state-icon {
    font-size: 4rem;
    color: var(--admin-text-muted);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.admin-empty-state h5 {
    color: var(--admin-text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.admin-empty-state p {
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ==================== LOADING ==================== */
.admin-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.admin-loading .spinner-border {
    color: var(--admin-green-primary);
    width: 3rem;
    height: 3rem;
}

.admin-loading p {
    color: var(--admin-text-secondary);
    margin-top: 1rem;
    font-size: 0.95rem;
}

/* ==================== FILTERS ==================== */
.admin-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.admin-filter-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--admin-border-color);
    border-radius: 8px;
    color: var(--admin-text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.admin-filter-btn:hover,
.admin-filter-btn.active {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--admin-green-primary);
    color: var(--admin-green-primary);
}

/* ==================== STATS ROW ==================== */
.admin-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.admin-stat-item {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.admin-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--admin-text-primary);
}

.admin-stat-label {
    font-size: 0.8rem;
    color: var(--admin-text-muted);
    margin-top: 0.25rem;
}

/* ==================== BACK LINK ==================== */
.admin-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--admin-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: color 0.2s ease;
}

.admin-back-link:hover {
    color: var(--admin-green-primary);
}

/* ==================== REQUEST CARDS ==================== */
.admin-request-card {
    background: var(--admin-bg-card);
    border-radius: 16px;
    border: 1px solid var(--admin-border-color);
    padding: 1.5rem;
    transition: all 0.3s ease;
    height: 100%;
}

.admin-request-card:hover {
    border-color: var(--admin-border-glow);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .admin-page {
        padding: 1rem 0.75rem;
    }
    
    .admin-title {
        font-size: 1.5rem;
    }
    
    .admin-header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .admin-metric-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .admin-actions-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-card-body {
        padding: 1rem;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .admin-metric-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-metric-value {
        font-size: 1.5rem;
    }
    
    .admin-btn {
        width: 100%;
        justify-content: center;
    }
}