:root {
    --adm-bg: #0b0d14;
    --adm-sidebar: #0f121d;
    --adm-surface: #141824;
    --adm-card: #181d2c;
    --adm-border: rgba(255, 255, 255, 0.08);
    --adm-primary: #8b5cf6;
    --adm-primary-hover: #7c3aed;
    --adm-cyan: #06b6d4;
    --adm-green: #10b981;
    --adm-red: #ef4444;
    --adm-text: #f1f5f9;
    --adm-muted: #94a3b8;
    --adm-dim: #64748b;
    --adm-radius: 10px;
}

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

body {
    background: var(--adm-bg);
    color: var(--adm-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
}

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: var(--adm-sidebar);
    border-right: 1px solid var(--adm-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
}

.sidebar-header {
    height: 70px;
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--adm-border);
    gap: 12px;
}

.sidebar-logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo span {
    color: var(--adm-cyan);
}

.sidebar-menu {
    list-style: none;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.menu-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--adm-dim);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 12px 12px 6px;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--adm-radius);
    color: var(--adm-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.menu-item a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.menu-item.active a {
    color: #fff;
    background: rgba(139, 92, 246, 0.15);
    border-left: 3px solid var(--adm-primary);
    font-weight: 600;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--adm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #8b5cf6, #06b6d4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.user-role {
    font-size: 0.72rem;
    color: var(--adm-dim);
}

/* Main Content Area */
.admin-main {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-topbar {
    height: 70px;
    background: var(--adm-surface);
    border-bottom: 1px solid var(--adm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 700;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-content {
    padding: 32px;
    flex: 1;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--adm-card);
    border: 1px solid var(--adm-border);
    border-radius: var(--adm-radius);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 18px;
    position: relative;
    overflow: hidden;
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(139, 92, 246, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--adm-primary);
}

.stat-info .stat-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
}

.stat-info .stat-title {
    font-size: 0.8rem;
    color: var(--adm-dim);
    margin-top: 4px;
    text-transform: uppercase;
}

/* Data Table */
.data-card {
    background: var(--adm-card);
    border: 1px solid var(--adm-border);
    border-radius: var(--adm-radius);
    overflow: hidden;
    margin-bottom: 30px;
}

.data-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--adm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.data-card-title {
    font-size: 1.1rem;
    font-weight: 700;
}

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

.data-table th {
    background: rgba(0, 0, 0, 0.2);
    padding: 14px 20px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--adm-dim);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border-bottom: 1px solid var(--adm-border);
}

.data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: #cbd5e1;
    vertical-align: middle;
}

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.badge-blue { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.badge-red { background: rgba(239, 68, 68, 0.15); color: #f87171; }

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 24px;
}

.form-full {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #e2e8f0;
}

.form-control {
    background: #0f131f;
    border: 1px solid var(--adm-border);
    border-radius: 8px;
    padding: 10px 14px;
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.form-control:focus {
    border-color: var(--adm-primary);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.25);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.form-actions {
    padding: 20px 24px;
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid var(--adm-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Alert Boxes */
.alert-box {
    padding: 14px 18px;
    border-radius: var(--adm-radius);
    font-size: 0.9rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}