:root {
    --bg: #0a0e17;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --border: #1e293b;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.bg-glow {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(34, 197, 94, 0.08), transparent);
    pointer-events: none;
    z-index: 0;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* Header */
.header {
    border-bottom: 1px solid var(--border);
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.125rem;
}

.logo-icon { color: var(--accent); font-size: 1.5rem; }

.nav { display: flex; align-items: center; gap: 8px; }

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-link:hover, .nav-link.active { color: var(--text); background: var(--bg-card); }
.nav-link-muted { opacity: 0.7; }
.nav-user { color: var(--text-muted); font-size: 0.875rem; margin-right: 8px; }

/* Main */
.main { padding: 32px 0 64px; position: relative; z-index: 1; }

.hero { margin-bottom: 32px; }
.hero h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.hero-sub { color: var(--text-muted); font-size: 1rem; }

/* Tabs */
.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.tab {
    flex: 1;
    min-width: 180px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
    color: var(--text);
}

.tab:hover { background: var(--bg-card-hover); border-color: #334155; }
.tab.active { border-color: var(--accent); background: rgba(99, 102, 241, 0.1); box-shadow: 0 0 0 1px var(--accent); }

.tab-title { display: block; font-weight: 600; font-size: 1rem; margin-bottom: 4px; }
.tab-desc { display: block; font-size: 0.75rem; color: var(--text-muted); }

/* Stats bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.stat-label { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.stat-value { font-size: 1.75rem; font-weight: 700; font-variant-numeric: tabular-nums; }

/* Server cards */
.servers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.server-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.server-card:hover {
    border-color: #334155;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.server-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.server-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.server-name { font-weight: 600; font-size: 1rem; }
.server-project { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

.status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.status-dot.online { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.offline { background: var(--danger); }

.server-online {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 16px;
}

.online-current { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.online-sep { color: var(--text-muted); font-size: 1.25rem; }
.online-max { font-size: 1.25rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.server-peaks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.peak-item { text-align: center; }
.peak-label { display: block; font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.peak-value { font-size: 0.9rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-samp { background: rgba(99, 102, 241, 0.2); color: #a5b4fc; }
.badge-crmp { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.badge-gta5 { background: rgba(34, 197, 94, 0.2); color: #86efac; }

/* Chart panel */
.chart-panel {
    margin-top: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.chart-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; flex-wrap: wrap; gap: 16px; }
.chart-header h2 { font-size: 1.25rem; font-weight: 600; }
.chart-sub { color: var(--text-muted); font-size: 0.875rem; margin-top: 4px; }

.chart-controls { display: flex; align-items: center; gap: 12px; }

.range-btns { display: flex; gap: 4px; }

.range-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.range-btn:hover { color: var(--text); border-color: #475569; }
.range-btn.active { background: var(--accent); border-color: var(--accent); color: white; }

.btn-close {
    width: 32px; height: 32px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-close:hover { color: var(--text); background: var(--bg-card-hover); }

.chart-wrap { height: 280px; position: relative; }
.chart-peaks { display: flex; gap: 24px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.chart-peak { font-size: 0.875rem; }
.chart-peak strong { color: var(--accent); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #4f46e5; }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); background: var(--bg-card-hover); }
.btn-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.25); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* Auth */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 1;
}

.auth-header { text-align: center; margin-bottom: 28px; }
.auth-header .logo-icon { font-size: 2.5rem; color: var(--accent); display: block; margin-bottom: 12px; }
.auth-header h1 { font-size: 1.5rem; margin-bottom: 8px; }
.auth-header p { color: var(--text-muted); font-size: 0.875rem; }

.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-back { display: block; text-align: center; margin-top: 20px; color: var(--text-muted); font-size: 0.875rem; text-decoration: none; }
.auth-back:hover { color: var(--accent); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.field input, .field select {
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.field input:focus, .field select:focus {
    outline: none;
    border-color: var(--accent);
}

.field-row { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; }

/* Admin */
.admin-container h1 { font-size: 1.75rem; margin-bottom: 8px; }
.admin-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 24px; margin-top: 24px; }
.admin-grid > * { min-width: 0; }

@media (max-width: 900px) {
    .admin-grid { grid-template-columns: 1fr; }
}

.admin-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    min-width: 0;
    overflow: hidden;
}

.admin-card h2 { font-size: 1.125rem; margin-bottom: 20px; }
.admin-form { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.admin-form select,
.admin-form input,
.admin-form textarea {
    max-width: 100%;
    box-sizing: border-box;
}

.field-select select {
    width: 100%;
    text-overflow: ellipsis;
}

.field-select option {
    white-space: normal;
}

.admin-tabs {
    display: flex;
    gap: 8px;
    padding: 4px;
    background: var(--bg-elevated, rgba(255,255,255,0.04));
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.admin-tab {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: calc(var(--radius-sm) - 2px);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}

.admin-tab:hover { color: var(--text); }
.admin-tab.active {
    background: var(--bg-card);
    color: var(--text);
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.admin-table th, .admin-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
.admin-table th { color: var(--text-muted); font-weight: 500; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
.admin-table code { font-size: 0.8rem; color: var(--text-muted); }
.admin-table .actions { display: flex; gap: 6px; }

.empty-state { color: var(--text-muted); font-size: 0.9rem; }
.text-muted { color: var(--text-muted); font-size: 0.85rem; }

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.875rem;
}

.alert-error { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); color: #fca5a5; }
.alert-success { background: rgba(34, 197, 94, 0.15); border: 1px solid rgba(34, 197, 94, 0.3); color: #86efac; }

.footer {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    position: relative;
    z-index: 1;
}

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

.loading { text-align: center; padding: 48px; color: var(--text-muted); }

/* Overview chart */
.chart-panel-main {
    margin-bottom: 40px;
    animation: none;
}

.chart-wrap-lg { height: 380px; }

.chart-hint {
    margin: 0 0 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.projects-section { margin-top: 16px; }

.section-header { margin-bottom: 20px; }
.section-header h2 { font-size: 1.35rem; font-weight: 600; }
.section-title { font-size: 1.2rem; margin-bottom: 16px; }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.project-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.project-online {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--accent);
}

.project-card-name {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.project-card-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.project-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.project-card-bar {
    height: 4px;
    background: var(--border);
    border-radius: 999px;
    overflow: hidden;
}

.project-card-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #818cf8);
    border-radius: 999px;
    transition: width 0.4s ease;
}

.project-hero h1 { margin-top: 8px; }

.server-card-static { cursor: default; }
.server-card-static:hover { transform: none; }

.servers-section { margin-top: 32px; }

.badge-off { background: rgba(148, 163, 184, 0.2); color: #94a3b8; }

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

@media (max-width: 1100px) {
    .admin-grid-3 { grid-template-columns: 1fr; }
}

.admin-list { display: flex; flex-direction: column; gap: 8px; }

.admin-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.admin-list-item strong { margin-right: 8px; }

.admin-grid-2 { grid-template-columns: 1fr 1.5fr; }

.admin-list-item-col {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
}

.admin-list-item-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.admin-form-inline {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.admin-form-inline .field { flex: 1; margin-bottom: 0; }

.admin-edit-row td {
    background: rgba(99, 102, 241, 0.06);
    border-top: none;
    padding: 16px;
}

.admin-form-edit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

@media (max-width: 900px) {
    .admin-form-edit-grid { grid-template-columns: 1fr 1fr; }
}

.admin-edit-hint {
    margin: 8px 0 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Chart hints: desktop vs touch */
.chart-hint-mobile { display: none; }

/* ——— Mobile / tablet ——— */
@media (max-width: 768px) {
    .container { padding: 0 16px; }

    .header-inner {
        height: 56px;
        min-height: 56px;
        padding: 0;
        gap: 8px;
        flex-wrap: nowrap;
    }

    .logo {
        font-size: 0.9375rem;
        flex-shrink: 0;
        gap: 8px;
        min-width: 0;
    }

    .logo-icon { font-size: 1.25rem; }

    .nav {
        width: auto;
        flex: 0 1 auto;
        margin-left: auto;
        justify-content: flex-end;
        gap: 4px;
        min-width: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav::-webkit-scrollbar { display: none; }

    .nav-link {
        padding: 8px 10px;
        font-size: 0.75rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .main { padding: 20px 0 48px; }

    .hero { margin-bottom: 20px; }
    .hero h1 { font-size: 1.5rem; line-height: 1.25; }
    .hero-sub { font-size: 0.875rem; }

    .tabs {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 16px;
    }

    .tab {
        min-width: 0;
        width: 100%;
        padding: 14px 16px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 20px;
    }

    .stat-card { padding: 14px 16px; }
    .stat-value { font-size: 1.35rem; }

    .chart-panel {
        margin-top: 0;
        padding: 16px;
        border-radius: var(--radius-sm);
    }

    .chart-panel-main { margin-bottom: 28px; }

    .chart-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-bottom: 12px;
    }

    .chart-header h2 { font-size: 1.1rem; }
    .chart-sub { font-size: 0.8125rem; }

    .range-btns {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 6px;
        padding-bottom: 4px;
        margin: 0 -4px;
        padding-left: 4px;
        padding-right: 4px;
        scrollbar-width: none;
    }

    .range-btns::-webkit-scrollbar { display: none; }

    .range-btn {
        flex-shrink: 0;
        padding: 10px 14px;
        font-size: 0.8125rem;
        min-height: 40px;
    }

    .chart-hint-desktop { display: none; }
    .chart-hint-mobile { display: block; }

    .chart-hint {
        font-size: 0.7rem;
        line-height: 1.45;
        margin-bottom: 10px;
    }

    .chart-wrap { height: 220px; }
    .chart-wrap-lg { height: 260px; }

    .projects-grid,
    .servers-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .project-card,
    .server-card {
        padding: 16px;
    }

    .project-online { font-size: 1.25rem; }
    .online-current { font-size: 1.5rem; }

    .server-peaks {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .peak-label { font-size: 0.6rem; }
    .peak-value { font-size: 0.8rem; }

    .section-header h2 { font-size: 1.15rem; }
    .section-title { font-size: 1.05rem; }

    .footer { padding: 16px 0; font-size: 0.75rem; }

    .auth-card { padding: 28px 20px; }
    .field-row { grid-template-columns: 1fr; }

    .admin-container h1 { font-size: 1.35rem; }
    .admin-card { padding: 16px; }
    .admin-table th,
    .admin-table td { padding: 10px 8px; font-size: 0.8rem; }
    .admin-table .actions { flex-wrap: wrap; }
    .admin-form-edit-grid { grid-template-columns: 1fr; }
    .admin-form-inline { flex-direction: column; align-items: stretch; }
    .admin-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
    .stats-bar { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.35rem; }
    .chart-wrap-lg { height: 220px; }
}