/* ============================================================
   REVELATION GAME ZONE - Admin Panel Design System
   ============================================================
   Version: 2.0.0
   Description: Complete admin panel CSS for RGZ gaming platform
   ============================================================ */

/* ============================================================
   1. FONTS & VARIABLES
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

:root {
    /* --- Color Palette --- */
    --primary: #6C5CE7;
    --primary-light: #a29bfe;
    --primary-dark: #4a3db8;
    --primary-glow: rgba(108, 92, 231, 0.4);

    --accent: #00D2D3;
    --accent-light: #55efc4;
    --accent-dark: #00a8a9;
    --accent-glow: rgba(0, 210, 211, 0.4);

    --dark: #0f0f1a;
    --dark-light: #16213e;
    --dark-lighter: #1a1a2e;
    --dark-card: rgba(26, 26, 46, 0.85);
    --dark-surface: #222244;

    --surface: #1e1e36;
    --surface-light: #2d2d4a;
    --surface-hover: #3d3d5c;

    --text-primary: #ffffff;
    --text-secondary: #b2b2d0;
    --text-muted: #6c6c8a;
    --text-accent: #00D2D3;

    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #ff6b6b;
    --info: #74b9ff;

    --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #a29bfe 100%);
    --gradient-accent: linear-gradient(135deg, #00D2D3 0%, #55efc4 100%);
    --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --gradient-card: linear-gradient(145deg, rgba(45, 45, 68, 0.6) 0%, rgba(26, 26, 46, 0.8) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
    --gradient-gaming: linear-gradient(135deg, #6C5CE7 0%, #00D2D3 100%);
    --gradient-sidebar: linear-gradient(180deg, #0d0d1a 0%, #16213e 100%);

    /* --- Typography --- */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Orbitron', 'Inter', sans-serif;

    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;

    --fw-light: 300;
    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    /* --- Spacing --- */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* --- Border Radius --- */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;

    /* --- Shadows --- */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
    --shadow-glow-primary: 0 0 20px rgba(108, 92, 231, 0.3);
    --shadow-glow-accent: 0 0 20px rgba(0, 210, 211, 0.3);

    /* --- Glassmorphism --- */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(12px);

    /* --- Transitions --- */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* --- Z-Index --- */
    --z-sidebar: 400;
    --z-modal: 600;

    /* --- Layout --- */
    --sidebar-width: 270px;
    --sidebar-collapsed: 72px;
    --navbar-height: 0px;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--fw-normal);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--dark);
    background-image:
        radial-gradient(ellipse at 10% 20%, rgba(108, 92, 231, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(0, 210, 211, 0.03) 0%, transparent 50%);
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent-light);
}

img {
    max-width: 100%;
    height: auto;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--fw-bold);
    line-height: 1.3;
    color: var(--text-primary);
}

::selection {
    background: var(--primary);
    color: white;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--surface-light);
    border-radius: 3px;
}

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

/* ============================================================
   3. ADMIN SIDEBAR
   ============================================================ */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--gradient-sidebar);
    border-right: 1px solid var(--glass-border);
    z-index: var(--z-sidebar);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.admin-sidebar-brand {
    padding: 1.5rem 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.admin-sidebar-brand .brand-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 10px rgba(108, 92, 231, 0.5));
}

.admin-sidebar-brand .brand-text {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    letter-spacing: 1px;
    background: var(--gradient-gaming);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.admin-nav-label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 1rem 0.75rem 0.5rem;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
    margin-bottom: 2px;
    position: relative;
}

.admin-nav-item i {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.admin-nav-item:hover {
    color: var(--text-primary);
    background: rgba(108, 92, 231, 0.12);
    transform: translateX(4px);
}

.admin-nav-item:hover i {
    opacity: 1;
}

.admin-nav-item.active {
    color: var(--accent);
    background: rgba(0, 210, 211, 0.1);
    font-weight: var(--fw-semibold);
}

.admin-nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.admin-nav-item.active i {
    opacity: 1;
    color: var(--accent);
}

.admin-sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-gaming);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--fw-bold);
    font-size: var(--fs-sm);
    color: white;
    flex-shrink: 0;
}

.admin-user-details {
    flex: 1;
    min-width: 0;
}

.admin-user-name {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-user-email {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-logout-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    font-size: 1rem;
}

.admin-logout-btn:hover {
    background: rgba(255, 107, 107, 0.1);
    transform: scale(1.1);
}

/* ============================================================
   4. ADMIN MAIN CONTENT
   ============================================================ */
.admin-main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 2rem;
    transition: margin-left var(--transition-base);
}

/* ============================================================
   5. ADMIN TOPBAR
   ============================================================ */
.admin-topbar {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.75rem;
    margin-bottom: 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-sm);
}

.admin-topbar h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: var(--fw-bold);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-topbar h4 i {
    color: var(--accent);
    font-size: 1.3rem;
}

.admin-topbar .topbar-meta {
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

/* ============================================================
   6. STAT CARDS
   ============================================================ */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.admin-stat-card {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gaming);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.admin-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-primary);
    border-color: rgba(108, 92, 231, 0.3);
}

.admin-stat-card:hover::before {
    opacity: 1;
}

.admin-stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.admin-stat-card .stat-icon.primary {
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary-light);
}

.admin-stat-card .stat-icon.accent {
    background: rgba(0, 210, 211, 0.15);
    color: var(--accent);
}

.admin-stat-card .stat-icon.success {
    background: rgba(0, 184, 148, 0.15);
    color: var(--success);
}

.admin-stat-card .stat-icon.warning {
    background: rgba(253, 203, 110, 0.15);
    color: var(--warning);
}

.admin-stat-card .stat-icon.danger {
    background: rgba(255, 107, 107, 0.15);
    color: var(--danger);
}

.admin-stat-card .stat-icon.info {
    background: rgba(116, 185, 255, 0.15);
    color: var(--info);
}

.admin-stat-card .stat-label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.35rem;
}

.admin-stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    line-height: 1.2;
}

/* ============================================================
   7. ADMIN CARDS
   ============================================================ */
.admin-card {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.admin-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.1);
}

.admin-card-header h5 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: var(--fw-bold);
    margin: 0;
}

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

.admin-card-body.p-0 {
    padding: 0;
}

/* ============================================================
   8. ADMIN TABLES
   ============================================================ */
.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table thead {
    background: rgba(0, 0, 0, 0.2);
}

.admin-table thead th {
    padding: 0.9rem 1.25rem;
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}

.admin-table tbody tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: background var(--transition-fast);
}

.admin-table tbody tr:hover {
    background: rgba(108, 92, 231, 0.05);
}

.admin-table tbody td {
    padding: 0.85rem 1.25rem;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    vertical-align: middle;
}

.admin-table tbody td a {
    color: var(--accent);
    font-weight: var(--fw-medium);
}

.admin-table tbody td a:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

.admin-table-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
}

/* ============================================================
   9. BADGES
   ============================================================ */
.admin-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-sm);
    text-transform: capitalize;
    letter-spacing: 0.3px;
}

.admin-badge.success {
    background: rgba(0, 184, 148, 0.15);
    color: var(--success);
    border: 1px solid rgba(0, 184, 148, 0.3);
}

.admin-badge.warning {
    background: rgba(253, 203, 110, 0.15);
    color: var(--warning);
    border: 1px solid rgba(253, 203, 110, 0.3);
}

.admin-badge.danger {
    background: rgba(255, 107, 107, 0.15);
    color: var(--danger);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.admin-badge.info {
    background: rgba(116, 185, 255, 0.15);
    color: var(--info);
    border: 1px solid rgba(116, 185, 255, 0.3);
}

.admin-badge.primary {
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary-light);
    border: 1px solid rgba(108, 92, 231, 0.3);
}

.admin-badge.secondary {
    background: rgba(108, 108, 138, 0.15);
    color: var(--text-muted);
    border: 1px solid rgba(108, 108, 138, 0.3);
}

/* ============================================================
   10. BUTTONS
   ============================================================ */
.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.admin-btn i {
    font-size: 1rem;
}

.admin-btn.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
}

.admin-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.4);
    color: white;
}

.admin-btn.accent {
    background: var(--gradient-accent);
    color: var(--dark);
    box-shadow: 0 2px 8px rgba(0, 210, 211, 0.3);
}

.admin-btn.accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 210, 211, 0.4);
    color: var(--dark);
}

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

.admin-btn.success:hover {
    background: #00a884;
    transform: translateY(-2px);
    color: white;
}

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

.admin-btn.warning:hover {
    background: #f0c040;
    transform: translateY(-2px);
    color: var(--dark);
}

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

.admin-btn.danger:hover {
    background: #ff5252;
    transform: translateY(-2px);
    color: white;
}

.admin-btn.outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.admin-btn.outline:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.admin-btn.sm {
    padding: 0.4rem 0.8rem;
    font-size: var(--fs-xs);
}

.admin-btn.lg {
    padding: 0.8rem 1.6rem;
    font-size: var(--fs-base);
}

.admin-btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

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

.admin-form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.admin-form-control {
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: var(--fs-sm);
    color: var(--text-primary);
    background: var(--dark-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-primary);
}

.admin-form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
    background: rgba(34, 34, 68, 0.8);
}

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

.admin-form-select {
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: var(--fs-sm);
    color: var(--text-primary);
    background: var(--dark-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236c6c8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.admin-form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.admin-form-select option {
    background: var(--dark-surface);
    color: var(--text-primary);
}

.admin-form-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
}

.admin-form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.admin-form-check label {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    cursor: pointer;
    margin: 0;
}

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

.admin-form-textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: var(--fs-sm);
    color: var(--text-primary);
    background: var(--dark-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    resize: vertical;
    min-height: 80px;
}

.admin-form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

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

/* ============================================================
   12. ADMIN FILTER BAR
   ============================================================ */
.admin-filter-bar {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
}

.admin-filter-bar form {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.admin-filter-bar .filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.admin-filter-bar .filter-group label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================
   13. ADMIN INFO TABLE (Detail views)
   ============================================================ */
.admin-info-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-info-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.admin-info-table th {
    padding: 0.75rem 1rem;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-muted);
    text-align: left;
    width: 140px;
    white-space: nowrap;
}

.admin-info-table td {
    padding: 0.75rem 1rem;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

/* ============================================================
   14. ADMIN MODAL
   ============================================================ */
.admin-modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.admin-modal-backdrop.active {
    display: flex;
}

.admin-modal {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.admin-modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-modal-header h5 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: var(--fw-bold);
    margin: 0;
}

.admin-modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color var(--transition-base);
}

.admin-modal-close:hover {
    color: var(--danger);
}

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

.admin-modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ============================================================
   15. ADMIN ALERTS
   ============================================================ */
.admin-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: var(--fs-sm);
}

.admin-alert i {
    font-size: 1.1rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.admin-alert.danger {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.25);
    color: var(--danger);
}

.admin-alert.success {
    background: rgba(0, 184, 148, 0.1);
    border: 1px solid rgba(0, 184, 148, 0.25);
    color: var(--success);
}

.admin-alert.warning {
    background: rgba(253, 203, 110, 0.1);
    border: 1px solid rgba(253, 203, 110, 0.25);
    color: var(--warning);
}

.admin-alert.info {
    background: rgba(116, 185, 255, 0.1);
    border: 1px solid rgba(116, 185, 255, 0.25);
    color: var(--info);
}

/* ============================================================
   16. ADMIN EMPTY STATE
   ============================================================ */
.admin-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.admin-empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.admin-empty-state p {
    font-size: var(--fs-sm);
    margin: 0;
}

/* ============================================================
   17. IMAGE GRID
   ============================================================ */
.admin-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.admin-image-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.admin-image-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.admin-image-item .image-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    justify-content: center;
}

/* ============================================================
   18. ADMIN GRID LAYOUTS
   ============================================================ */
.admin-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.admin-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.admin-grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
}

.admin-grid-6 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

/* ============================================================
   19. ADMIN ITEM CARD (Slider/Sponsor/Payment)
   ============================================================ */
.admin-item-card {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.admin-item-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: var(--shadow-glow-primary);
    transform: translateY(-2px);
}

.admin-item-card .item-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.admin-item-card .item-body {
    padding: 1rem 1.25rem;
}

.admin-item-card .item-title {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-item-card .item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* ============================================================
   20. PAGINATION
   ============================================================ */
.admin-pagination {
    display: flex;
    justify-content: center;
    gap: 0.35rem;
    padding: 1rem 0;
}

.admin-pagination a,
.admin-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-base);
}

.admin-pagination a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.admin-pagination .active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.admin-pagination .disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ============================================================
   21. LOGIN PAGE
   ============================================================ */
.admin-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 210, 211, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, #0f0f1a 0%, #16213e 50%, #1a1a2e 100%);
    padding: 2rem;
}

.admin-login-card {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.admin-login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gaming);
}

.admin-login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.admin-login-brand .brand-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 0 20px rgba(108, 92, 231, 0.5));
}

.admin-login-brand h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: var(--fw-bold);
    margin-bottom: 0.25rem;
}

.admin-login-brand p {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    margin: 0;
}

/* ============================================================
   22. USER-FACING LAYOUT (Landing/Buy/Comments/Report)
   ============================================================ */

/* --- Navbar (User) --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    z-index: var(--z-sidebar);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-weight: var(--fw-bold);
    font-size: var(--fs-md);
}

.navbar-brand img {
    height: 32px;
    width: auto;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.navbar-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-xs);
}

/* --- Sidebar (User) --- */
.sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--gradient-sidebar);
    border-right: 1px solid var(--glass-border);
    z-index: calc(var(--z-sidebar) - 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base);
}

.sidebar-section {
    padding: var(--space-md);
}

.sidebar-section-title {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    padding: 0 var(--space-sm);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    transition: all var(--transition-fast);
}

.sidebar-nav .nav-item:hover {
    background: var(--surface-light);
    color: var(--text-primary);
}

.sidebar-nav .nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* --- Main Content (User) --- */
.main-wrapper {
    margin-left: var(--sidebar-width);
    margin-top: 64px;
    min-height: calc(100vh - 64px);
    padding: var(--space-lg);
    transition: margin-left var(--transition-base);
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Sidebar Overlay (Mobile) --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: calc(var(--z-sidebar) - 2);
    backdrop-filter: blur(4px);
}

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

/* --- Container (User) --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --- Footer (User) --- */
.footer {
    background: var(--dark);
    border-top: 1px solid var(--glass-border);
    padding: var(--space-3xl) 0 var(--space-lg);
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-base);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: var(--fw-bold);
    font-size: var(--fs-md);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.footer-desc {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-title {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-links span {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: var(--fs-xs);
    margin: 0;
}

/* --- User Modal (Popup) --- */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal-backdrop.active {
    display: flex;
}

.modal {
    background: var(--dark-lighter);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease;
}

.modal-lg {
    max-width: 720px;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

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

.modal-header h3 {
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--surface);
    color: var(--text-muted);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-body {
    padding: var(--space-xl);
}

/* Toast animation */
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

/* --- Responsive (User Layout) --- */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-wrapper {
        margin-left: 0;
    }

    .footer {
        margin-left: 0;
    }

    .navbar-menu-toggle {
        display: block;
    }

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

@media (max-width: 576px) {
    .main-wrapper {
        padding: var(--space-md);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

/* ============================================================
   23. RESPONSIVE (Admin)
   ============================================================ */
@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .admin-sidebar.active {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
    }

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

    .admin-grid-2,
    .admin-grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .admin-main {
        padding: 1rem;
    }

    .admin-topbar {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .admin-stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-grid-4,
    .admin-grid-6 {
        grid-template-columns: 1fr;
    }

    .admin-table-responsive {
        overflow-x: auto;
    }

    .admin-filter-bar form {
        flex-direction: column;
    }

    .admin-filter-bar .filter-group {
        width: 100%;
    }
}

/* ============================================================
   23. MOBILE SIDEBAR TOGGLE
   ============================================================ */
.admin-mobile-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: calc(var(--z-sidebar) + 1);
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.admin-mobile-toggle:hover {
    background: var(--primary);
}

.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: calc(var(--z-sidebar) - 1);
}

@media (max-width: 992px) {
    .admin-mobile-toggle {
        display: flex;
    }

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

/* ============================================================
   24. UTILITY CLASSES
   ============================================================ */
.admin-text-center { text-align: center; }
.admin-text-right { text-align: right; }
.admin-text-muted { color: var(--text-muted); }
.admin-text-success { color: var(--success); }
.admin-text-warning { color: var(--warning); }
.admin-text-danger { color: var(--danger); }
.admin-text-info { color: var(--info); }
.admin-text-accent { color: var(--accent); }
.admin-mt-0 { margin-top: 0; }
.admin-mt-1 { margin-top: 0.5rem; }
.admin-mt-2 { margin-top: 1rem; }
.admin-mt-3 { margin-top: 1.5rem; }
.admin-mb-0 { margin-bottom: 0; }
.admin-mb-1 { margin-bottom: 0.5rem; }
.admin-mb-2 { margin-bottom: 1rem; }
.admin-mb-3 { margin-bottom: 1.5rem; }
.admin-gap-2 { gap: 1rem; }
.admin-gap-3 { gap: 1.5rem; }
.admin-flex { display: flex; }
.admin-flex-wrap { flex-wrap: wrap; }
.admin-items-center { align-items: center; }
.admin-justify-between { justify-content: space-between; }
.admin-flex-1 { flex: 1; }
.admin-img-thumb {
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}
.admin-img-sm {
    height: 50px;
    object-fit: contain;
}

/* ============================================================
   25. KEYFRAMES
   ============================================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.admin-animate-in {
    animation: fadeIn 0.4s ease;
}