/**
 * Admin Panel Styles
 */

/* CSS Variables */
:root {
    --admin-primary: #2c3e50;
    --admin-secondary: #34495e;
    --admin-accent: #3498db;
    --admin-success: #27ae60;
    --admin-warning: #f39c12;
    --admin-danger: #e74c3c;
    --admin-info: #16a085;
    --admin-light: #ecf0f1;
    --admin-dark: #1a252f;
    --sidebar-width: 250px;
    --header-height: 60px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

.login-header {
    background: var(--admin-primary);
    color: white;
    padding: 2rem;
    text-align: center;
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--admin-light);
    font-size: 1rem;
}

.login-form {
    padding: 2rem;
}

.login-footer {
    padding: 1rem 2rem;
    background: var(--admin-light);
    text-align: center;
}

.login-footer a {
    color: var(--admin-accent);
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Admin Header */
.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-left h1 {
    font-size: 1.3rem;
    color: var(--admin-primary);
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--admin-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: var(--admin-light);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.admin-user i {
    font-size: 1.8rem;
    color: var(--admin-accent);
}

/* Admin Sidebar */
.admin-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--admin-primary);
    color: white;
    overflow-y: auto;
    transition: var(--transition);
    z-index: 999;
}

.admin-sidebar.collapsed {
    margin-left: calc(-1 * var(--sidebar-width));
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.5rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.nav-item.active {
    background: var(--admin-accent);
    color: white;
    border-left: 4px solid white;
}

.nav-item i {
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.sidebar-divider {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin: 1rem 0;
}

/* Admin Container */
.admin-container {
    display: flex;
    margin-top: var(--header-height);
}

.admin-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-height: calc(100vh - var(--header-height));
    transition: var(--transition);
}

.admin-content.full-width {
    margin-left: 0;
}

/* Content Header */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.content-header h1 {
    font-size: 2rem;
    color: var(--admin-primary);
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert i {
    font-size: 1.3rem;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

.btn i {
    margin-right: 0.5rem;
}

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

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(52,152,219,0.3);
}

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

.btn-secondary:hover {
    background: #2c3e50;
}

.btn-success {
    background: var(--admin-success);
    color: white;
}

.btn-warning {
    background: var(--admin-warning);
    color: white;
}

.btn-danger {
    background: var(--admin-danger);
    color: white;
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--admin-accent);
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.1rem;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--admin-light);
}

.btn-icon.btn-danger {
    color: var(--admin-danger);
}

.btn-icon.btn-success {
    color: var(--admin-success);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--admin-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="file"],
.form-group select,
.form-group textarea,
.form-control {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-control:focus {
    outline: none;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(52,152,219,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-text {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #666;
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.col-md-6 {
    flex: 1;
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.stat-icon.bg-primary { background: var(--admin-accent); }
.stat-icon.bg-success { background: var(--admin-success); }
.stat-icon.bg-warning { background: var(--admin-warning); }
.stat-icon.bg-info { background: var(--admin-info); }

.stat-details h3 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--admin-primary);
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.85rem;
    color: #999;
}

/* Section Cards */
.section-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 2rem;
}

.section-card h2 {
    font-size: 1.5rem;
    color: var(--admin-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--admin-light);
}

.card-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    text-align: right;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--admin-light);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--admin-primary);
    border-bottom: 2px solid #ddd;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid #eee;
}

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

.data-table tbody tr:hover {
    background: #f9fafb;
}

.table-thumbnail {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
}

.actions {
    display: flex;
    gap: 0.5rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-active,
.badge-completed,
.badge-song {
    background: #d4edda;
    color: #155724;
}

.badge-pending,
.badge-draft {
    background: #fff3cd;
    color: #856404;
}

.badge-cancelled,
.badge-inactive {
    background: #f8d7da;
    color: #721c24;
}

.badge-sold_out {
    background: #e7e9ec;
    color: #495057;
}

.badge-album {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-ticket {
    background: #e2e3e5;
    color: #383d41;
}

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.chart-card h2 {
    font-size: 1.3rem;
    color: var(--admin-primary);
    margin-bottom: 1.5rem;
}

.chart-card canvas {
    max-height: 300px;
}

/* Content Row */
.content-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Today Stats */
.today-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.today-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.today-stat i {
    font-size: 2rem;
    color: var(--admin-accent);
}

.today-stat strong {
    display: block;
    font-size: 1.5rem;
    color: var(--admin-primary);
}

.today-stat span {
    display: block;
    font-size: 0.85rem;
    color: #666;
}

/* Top Songs */
.top-songs-list,
.top-items-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.top-song-item,
.top-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 6px;
    transition: var(--transition);
}

.top-song-item:hover,
.top-item:hover {
    background: #f1f3f5;
    transform: translateX(4px);
}

.song-rank,
.item-rank {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--admin-accent);
    min-width: 40px;
}

.song-info,
.item-info {
    flex: 1;
}

.song-info strong,
.item-info strong {
    display: block;
    color: var(--admin-primary);
    margin-bottom: 0.3rem;
}

.song-info span {
    font-size: 0.85rem;
    color: #666;
}

.item-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: #666;
    margin-top: 0.3rem;
}

.item-stats i {
    margin-right: 0.3rem;
}

.song-revenue {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--admin-success);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 1;
    transition: var(--transition);
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-dialog {
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-dialog.modal-lg {
    max-width: 900px;
}

.modal-content {
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--admin-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    padding: 1.5rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--admin-success);
    transition: width 0.3s ease;
}

#uploadProgress .progress-bar {
    height: 20px;
    margin-bottom: 1rem;
}

#progressText {
    text-align: center;
    color: #666;
}

/* Albums Grid */
.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.album-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.album-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.album-cover {
    position: relative;
    aspect-ratio: 1/1;
    overflow: hidden;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.album-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.album-card:hover .album-overlay {
    opacity: 1;
}

.album-info {
    padding: 1.5rem;
}

.album-info h3 {
    font-size: 1.2rem;
    color: var(--admin-primary);
    margin-bottom: 0.5rem;
}

.album-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.album-stats {
    color: #999;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.album-stats i {
    margin-right: 0.3rem;
}

.album-actions {
    display: flex;
    gap: 0.5rem;
}

/* Settings Tabs */
.settings-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid #eee;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
    cursor: pointer;
    color: #666;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--admin-accent);
}

.tab-btn.active {
    color: var(--admin-accent);
    border-bottom-color: var(--admin-accent);
}

.tab-btn i {
    margin-right: 0.5rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Info Table */
.info-table {
    width: 100%;
}

.info-table th {
    text-align: left;
    padding: 0.8rem;
    color: #666;
    font-weight: 500;
    width: 200px;
}

.info-table td {
    padding: 0.8rem;
    color: var(--admin-primary);
}

.info-table tr {
    border-bottom: 1px solid #eee;
}

/* Maintenance Actions */
.maintenance-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #999;
}

.empty-state i {
    font-size: 4rem;
    color: #ddd;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.empty-state p {
    margin-bottom: 1.5rem;
}

/* Ticket Progress */
.ticket-progress {
    min-width: 150px;
}

.ticket-progress small {
    font-size: 0.8rem;
    color: #666;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: #666; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
    }
    
    .admin-sidebar.mobile-open {
        margin-left: 0;
    }
    
    .admin-content {
        margin-left: 0;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-row {
        grid-template-columns: 1fr;
    }
    
    .content-row {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .albums-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .admin-header,
    .admin-sidebar,
    .header-actions,
    .btn,
    .actions {
        display: none !important;
    }
    
    .admin-content {
        margin-left: 0;
        margin-top: 0;
    }
}