/* ============ ADMIN SPECIFIC STYLES ============ */
/* Inherits from style.css base */

/* ============ ADMIN LAYOUT ============ */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ============ SIDEBAR ============ */
.sidebar {
    width: 260px;
    background: rgba(10, 10, 18, 0.95);
    backdrop-filter: blur(24px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 200;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.sidebar-brand-text h2 {
    font-size: 16px;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-brand-text span {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.nav-item:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(0, 245, 212, 0.08);
    color: var(--accent-cyan);
    border-color: rgba(0, 245, 212, 0.12);
}

.nav-item .nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.nav-item .nav-badge {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--gradient-main);
    color: #000;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border-color);
}

.sidebar-footer .btn {
    width: 100%;
    justify-content: center;
}

/* ============ MAIN CONTENT ============ */
.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    min-height: 100vh;
}

.admin-page {
    display: none;
    animation: fadeInUp 0.5s ease-out;
}

.admin-page.active {
    display: block;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 6px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============ STAT CARDS ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
}

.stat-card.cyan::before { background: var(--accent-cyan); }
.stat-card.purple::before { background: var(--accent-purple); }
.stat-card.pink::before { background: var(--accent-pink); }
.stat-card.blue::before { background: var(--accent-blue); }

.stat-card .stat-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 4px;
}

.stat-card.cyan .stat-value { color: var(--accent-cyan); }
.stat-card.purple .stat-value { color: var(--accent-purple); }
.stat-card.pink .stat-value { color: var(--accent-pink); }
.stat-card.blue .stat-value { color: var(--accent-blue); }

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============ TABLES ============ */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.table-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.table-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.table-wrapper {
    overflow-x: auto;
}

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

thead th {
    padding: 14px 20px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.2);
    white-space: nowrap;
}

tbody td {
    padding: 14px 20px;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.02);
    white-space: nowrap;
}

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

tbody tr:hover {
    background: var(--bg-glass-hover);
}

.key-text {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent-cyan);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.key-text:hover {
    color: #fff;
}

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
}

.badge-active {
    background: rgba(0, 245, 212, 0.1);
    color: var(--accent-cyan);
}

.badge-inactive {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.badge-locked {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.badge-expired {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
}

.badge-unlocked {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

/* ============ MODALS ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    padding: 24px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-glass);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.modal-body {
    padding: 28px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 28px;
    border-top: 1px solid var(--border-color);
}

/* ============ UPLOAD ZONE ============ */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 24px;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 245, 212, 0.03);
}

.upload-zone .upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.upload-zone h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.upload-zone p {
    color: var(--text-muted);
    font-size: 13px;
}

/* ============ FILE CARDS ============ */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.file-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
}

.file-card:hover {
    border-color: var(--border-glow);
}

.file-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.file-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--gradient-cool);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.file-card-name {
    font-size: 14px;
    font-weight: 600;
    word-break: break-all;
    flex: 1;
}

.file-card-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.file-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.file-card-actions {
    display: flex;
    gap: 8px;
}

/* ============ SETTINGS FORM ============ */
.settings-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
}

.settings-section h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.settings-section p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 20px;
}

.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ============ ADMIN LOGIN ============ */
.admin-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    z-index: 1;
}

/* ============ MOBILE SIDEBAR ============ */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 300;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 150;
}

/* ============ PREVIEW MODAL ============ */
.preview-content {
    max-height: 400px;
    overflow-y: auto;
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius-md);
    padding: 16px;
}

.preview-content pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
}

/* ============ RESPONSIVE ADMIN ============ */
@media (max-width: 900px) {
    .mobile-toggle {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
    }

    .admin-content {
        margin-left: 0;
        padding: 72px 16px 24px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .settings-row {
        grid-template-columns: 1fr;
    }

    .file-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .table-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table-actions {
        width: 100%;
    }

    .table-actions .btn {
        flex: 1;
    }
}

/* ============ EMPTY STATE ============ */
.empty-state {
    padding: 60px 24px;
    text-align: center;
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.empty-state p {
    color: var(--text-muted);
    font-size: 13px;
}