:root {
    --bg: #0a0a0e;
    --card: #111115;
    --card-border: #1e1e24;
    --text: #e8e8ea;
    --text-dim: #7a7a84;
    --text-faint: #4a4a54;
    --violet: #9B3FF0;
    --violet-bright: #B565FF;
    --violet-dark: #6B2FA0;
    --success: #45D48C;
    --danger: #FF5D6C;
    --warn: #F59E0B;
    --font: 'Inter', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: var(--font); overflow-x: hidden; }

.admin-container { display: flex; flex-direction: column; min-height: 100vh; }

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: var(--card);
    border-bottom: 1px solid var(--card-border);
    flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header-left .logo { font-size: 22px; }
.header-left h1 { font-size: 18px; font-weight: 600; }
.header-left .version { font-size: 11px; color: var(--text-faint); background: var(--card-border); padding: 2px 8px; border-radius: 100px; }
.header-right { display: flex; align-items: center; gap: 16px; }
.admin-id { font-size: 13px; color: var(--text-dim); }
.logout-btn {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-dim);
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}
.logout-btn:hover { border-color: var(--danger); color: var(--danger); }

.admin-layout { display: flex; flex: 1; }

.admin-sidebar {
    width: 200px;
    background: var(--card);
    border-right: 1px solid var(--card-border);
    padding: 16px 0;
    flex-shrink: 0;
}
.admin-sidebar ul { list-style: none; }
.admin-sidebar li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    cursor: pointer;
    color: var(--text-dim);
    transition: all 0.2s;
    border-left: 3px solid transparent;
    font-size: 14px;
}
.admin-sidebar li:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.admin-sidebar li.active {
    color: var(--violet-bright);
    border-left-color: var(--violet);
    background: rgba(155,63,240,0.06);
}
.admin-sidebar li svg { flex-shrink: 0; stroke: currentColor; fill: none; stroke-width: 2; }

.admin-content {
    flex: 1;
    padding: 24px 32px;
    overflow-y: auto;
    max-height: calc(100vh - 60px);
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}
.tab-header h2 { font-size: 20px; font-weight: 600; }
.tab-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 0 12px;
    gap: 8px;
}
.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    padding: 8px 0;
    font-size: 13px;
    font-family: var(--font);
    min-width: 180px;
}
.search-box svg { stroke: var(--text-faint); }

select {
    background: var(--card);
    border: 1px solid var(--card-border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-family: var(--font);
    cursor: pointer;
    outline: none;
}
select:focus { border-color: var(--violet); }

.refresh-btn {
    background: var(--card);
    border: 1px solid var(--card-border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.refresh-btn:hover { border-color: var(--violet); color: var(--violet-bright); }

.users-stats {
    display: flex;
    gap: 20px;
    padding: 12px 16px;
    background: var(--card);
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-dim);
}
.users-stats strong { color: var(--text); }

.table-wrap { overflow-x: auto; }
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.admin-table th {
    text-align: left;
    padding: 10px 12px;
    color: var(--text-dim);
    font-weight: 500;
    border-bottom: 1px solid var(--card-border);
}
.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--card-border);
    vertical-align: middle;
}
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }

.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 500;
}
.status-badge.premium { background: rgba(69,212,140,0.12); color: var(--success); }
.status-badge.trial { background: rgba(245,158,11,0.12); color: var(--warn); }
.status-badge.free { background: rgba(255,255,255,0.04); color: var(--text-faint); }
.status-badge.offline { background: rgba(255,93,108,0.12); color: var(--danger); }
.status-badge.online { background: rgba(69,212,140,0.12); color: var(--success); }

.action-btn {
    padding: 4px 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 12px;
    font-family: var(--font);
    transition: all 0.2s;
}
.action-btn.give { background: rgba(69,212,140,0.12); color: var(--success); }
.action-btn.give:hover { background: rgba(69,212,140,0.2); }
.action-btn.remove { background: rgba(255,93,108,0.12); color: var(--danger); }
.action-btn.remove:hover { background: rgba(255,93,108,0.2); }
.action-btn.info { background: rgba(155,63,240,0.12); color: var(--violet-bright); }
.action-btn.info:hover { background: rgba(155,63,240,0.2); }

.pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 16px;
}
.pagination button {
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 13px;
}
.pagination button.active { background: var(--violet); color: #fff; border-color: var(--violet); }
.pagination button:hover:not(.active) { border-color: var(--violet); color: var(--text); }

.system-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin: 16px 0;
}
.system-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}
.system-card .card-label { font-size: 12px; color: var(--text-dim); }
.system-card .card-value { font-size: 18px; font-weight: 600; margin-top: 4px; }

.system-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 16px 0;
}
.system-actions .action-btn {
    padding: 10px 20px;
    font-size: 13px;
    border-radius: 10px;
}
.system-actions .action-btn.primary { background: var(--violet); color: #fff; }
.system-actions .action-btn.primary:hover { background: var(--violet-bright); }
.system-actions .action-btn.secondary { background: var(--card-border); color: var(--text); }
.system-actions .action-btn.secondary:hover { background: var(--card-border); opacity: 0.8; }

.system-section { margin-top: 20px; }
.system-section h3 { font-size: 15px; font-weight: 500; color: var(--text-dim); margin-bottom: 10px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin: 16px 0;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}
.stat-card .stat-number { font-size: 22px; font-weight: 700; }
.stat-card .stat-label { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.stats-section { margin-top: 20px; }
.stats-section h3 { font-size: 15px; font-weight: 500; color: var(--text-dim); margin-bottom: 10px; }

.chart-container {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px;
    height: 200px;
    position: relative;
}
#chartCanvas { width: 100%; height: 100%; }

.server-info {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px;
    margin: 16px 0;
}
.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--card-border);
}
.info-row:last-child { border-bottom: none; }
.info-label { color: var(--text-dim); font-size: 13px; }
.info-value { color: var(--text); font-size: 13px; font-weight: 500; }

.server-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.server-actions .action-btn.danger { background: rgba(255,93,108,0.12); color: var(--danger); }
.server-actions .action-btn.danger:hover { background: rgba(255,93,108,0.2); }
.server-actions .action-btn.secondary { background: var(--card-border); color: var(--text); }
.server-actions .action-btn.secondary:hover { background: var(--card-border); opacity: 0.8; }

.log-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 16px 0;
}
.log-container {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 12px;
    max-height: 500px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 12px;
    line-height: 1.6;
}
.log-container pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-dim);
}
.log-container::-webkit-scrollbar { width: 6px; }
.log-container::-webkit-scrollbar-track { background: transparent; }
.log-container::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 4px; }

@media (max-width: 768px) {
    .admin-sidebar { width: 56px; }
    .admin-sidebar li span { display: none; }
    .admin-sidebar li { justify-content: center; padding: 12px; }
    .admin-content { padding: 16px; }
    .header-left h1 { font-size: 15px; }
    .header-left .version { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .system-grid { grid-template-columns: repeat(2, 1fr); }
    .tab-header { flex-direction: column; align-items: stretch; }
    .tab-controls { flex-wrap: wrap; }
    .search-box input { min-width: 120px; }
}

@media (max-width: 480px) {
    .admin-header { padding: 10px 16px; flex-wrap: wrap; gap: 8px; }
    .header-right { width: 100%; justify-content: space-between; }
    .admin-sidebar { width: 48px; }
    .admin-sidebar li { padding: 10px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .system-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .admin-content { padding: 12px; }
}