:root {
    --bg: #0f1419;
    --panel: #171d24;
    --border: #2a3441;
    --text: #e7ecf3;
    --muted: #8b98a5;
    --accent: #3b82f6;
    --ok: #22c55e;
    --warn: #f59e0b;
    --bad: #ef4444;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: rgba(23, 29, 36, 0.95);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar h1 {
    margin: 0;
    font-size: 1.35rem;
}

.topbar-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

button, .btn-link {
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    padding: 0.55rem 0.9rem;
    border-radius: 8px;
    cursor: pointer;
    font: inherit;
}

button:hover, .btn-link:hover {
    border-color: var(--accent);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

.muted { color: var(--muted); }

.gauge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.gauge-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.1rem 1.25rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
    align-items: center;
}

.gauge-card.is-text-only {
    grid-template-columns: 1fr;
}

.gauge-title {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.gauge-value {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
}

.gauge-detail {
    margin-top: 0.45rem;
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.45;
}

.gauge-wrap {
    position: relative;
    width: 92px;
    height: 92px;
}

.gauge-wrap svg {
    width: 92px;
    height: 92px;
    transform: rotate(-90deg);
}

.gauge-bg {
    fill: none;
    stroke: #243041;
    stroke-width: 10;
}

.gauge-fill {
    fill: none;
    stroke-width: 10;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.6s ease, stroke 0.3s ease;
}

.gauge-fill.ok { stroke: var(--ok) !important; }
.gauge-fill.warn { stroke: var(--warn) !important; }
.gauge-fill.bad { stroke: var(--bad) !important; }
.gauge-fill.neutral { stroke: var(--accent) !important; }

.bar-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.bar-row .bar { flex: 1; }

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.modal[hidden] {
    display: none !important;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(2px);
}

.modal-dialog {
    position: relative;
    width: min(960px, 100%);
    max-height: 90vh;
    overflow: auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--panel);
    z-index: 2;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.15rem;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    font-size: 1.4rem;
    line-height: 1;
    padding: 0;
}

.modal-body {
    padding: 1rem 1.25rem 1.25rem;
}

.modal-intro {
    margin: 0 0 0.5rem;
}

.modal-meta {
    margin: 0 0 1rem;
}

.modal-gauges {
    margin-bottom: 1rem;
}

.modal-section {
    margin-bottom: 1.25rem;
}

.modal-section h3 {
    margin: 0 0 0.65rem;
    font-size: 0.95rem;
}

.modal-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.db-fold {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
}

.db-fold summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.88rem;
}

body.modal-open {
    overflow: hidden;
}

.alerts-list {
    padding: 0.75rem 1.25rem 1.25rem;
    display: grid;
    gap: 0.65rem;
}

.alert-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    background: #10161d;
}

.alert-item.status-bad { border-color: rgba(239, 68, 68, 0.45); }
.alert-item.status-warn { border-color: rgba(245, 158, 11, 0.45); }
.alert-item.status-ok { border-color: rgba(34, 197, 94, 0.35); }

.alert-head {
    font-size: 0.92rem;
    line-height: 1.45;
}

.row-idle td {
    opacity: 0.55;
}

.row-idle strong {
    font-weight: 500;
}

.r2-summary {
    padding: 0.75rem 1.25rem 0;
    font-size: 0.92rem;
    line-height: 1.5;
}

.r2-summary a {
    color: #60a5fa;
}

.gauge-center {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    text-align: center;
}

.gauge-pct {
    font-size: 1rem;
    font-weight: 700;
}

.gauge-pct-label {
    font-size: 0.65rem;
    color: var(--muted);
}

.badge {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-ok {
    background: rgba(34, 197, 94, 0.15);
    color: var(--ok);
}

.badge-bad {
    background: rgba(239, 68, 68, 0.15);
    color: var(--bad);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
}

.card-label {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.card-sub {
    margin-top: 0.35rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.panel-head {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.panel-head h2 {
    margin: 0;
    font-size: 1rem;
}

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

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

th, td {
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

th {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.bar {
    height: 8px;
    background: #243041;
    border-radius: 999px;
    overflow: hidden;
    min-width: 120px;
}

.bar > span {
    display: block;
    height: 100%;
    border-radius: 999px;
    min-width: 2px;
}

.bar > span.ok { background: linear-gradient(90deg, var(--ok), #4ade80); }
.bar > span.warn { background: linear-gradient(90deg, var(--warn), #fbbf24); }
.bar > span.bad { background: linear-gradient(90deg, var(--bad), #f87171); }
.bar > span.neutral { background: linear-gradient(90deg, var(--accent), #60a5fa); }

.pct-text {
    min-width: 42px;
    text-align: right;
    font-size: 0.85rem;
    color: var(--muted);
}

.status-ok { color: var(--ok); font-weight: 600; }
.status-bad { color: var(--bad); font-weight: 600; }
.status-warn { color: var(--warn); font-weight: 600; }

.back-link {
    display: inline-block;
    margin-bottom: 0.35rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.back-link:hover { color: var(--accent); }

.panel-note {
    margin: 0.35rem 0 0;
    font-size: 0.82rem;
}

.help-tip {
    margin: 0.35rem 0 0;
    font-size: 0.84rem;
    color: #b6c2cf;
    line-height: 1.45;
}

.help-panel {
    margin-bottom: 1.5rem;
}

.help-panel details {
    padding: 0.25rem 0;
}

.help-summary {
    cursor: pointer;
    font-weight: 600;
    padding: 1rem 1.25rem;
    list-style: none;
}

.help-summary::-webkit-details-marker {
    display: none;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.85rem;
    padding: 0 1.25rem 1rem;
}

.help-item {
    background: #10161d;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem 1rem;
}

.help-item h3 {
    margin: 0 0 0.4rem;
    font-size: 0.92rem;
}

.help-item p {
    margin: 0;
    font-size: 0.84rem;
    color: var(--muted);
    line-height: 1.45;
}

.help-footer {
    padding: 0 1.25rem 1rem;
    font-size: 0.84rem;
    line-height: 1.45;
}

.panel-compact .panel-head {
    border-bottom: none;
    padding-bottom: 0.5rem;
}

.gauge-grid-in-panel {
    padding: 0 1rem 1rem;
    margin-bottom: 0;
}

.small { font-size: 0.78rem; }

.linkish { color: var(--accent); }

.clickable-row {
    cursor: pointer;
    transition: background 0.15s ease;
}

.clickable-row:hover {
    background: rgba(59, 130, 246, 0.08);
}

.db-panels {
    padding: 0.5rem 0 1rem;
}

.db-block {
    padding: 0 1.25rem 1rem;
}

.db-block + .db-block {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

.db-block h3 {
    margin: 0 0 0.75rem;
    font-size: 0.92rem;
}

.db-block table th,
.db-block table td {
    padding: 0.55rem 0.75rem;
}

.panel-empty {
    padding: 1rem 1.25rem;
    color: var(--muted);
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    padding: 1rem 1.25rem 1.25rem;
}

.chart-box {
    background: #10161d;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem;
    min-height: 220px;
}

.chart-box canvas {
    width: 100% !important;
    height: 200px !important;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
}

.login-card h1 {
    margin: 0 0 0.25rem;
    font-size: 1.4rem;
}

.login-form {
    display: grid;
    gap: 1rem;
    margin-top: 1.25rem;
}

.login-form label {
    display: grid;
    gap: 0.4rem;
    font-size: 0.9rem;
}

.login-form input {
    padding: 0.7rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #10161d;
    color: var(--text);
    font: inherit;
}

.login-form button {
    width: 100%;
    background: var(--accent);
    border-color: var(--accent);
}

.alert {
    padding: 0.75rem 0.9rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fecaca;
}

@media (max-width: 640px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .gauge-card {
        grid-template-columns: 1fr;
    }

    .gauge-wrap {
        justify-self: center;
        margin-top: 0.5rem;
    }
}