:root {
    --bg: #eef2f6;
    --panel: #ffffff;
    --ink: #152033;
    --muted: #5f6b7c;
    --line: #d7dee8;
    --brand: #0f6e56;
    --brand-soft: #e6f4ef;
    --accent: #c45c26;
    --accent-soft: #f8ebe3;
    --danger: #b42318;
    --danger-soft: #fceceb;
    --warn: #9a6700;
    --warn-soft: #fff6dd;
    --ok: #087443;
    --shadow: 0 10px 30px rgba(21, 32, 51, 0.06);
    --radius: 14px;
    --mono: "IBM Plex Mono", ui-monospace, monospace;
    --sans: "IBM Plex Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--sans);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(15, 110, 86, 0.08), transparent 28%),
        linear-gradient(180deg, #f7f9fc 0%, var(--bg) 100%);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
code, .mono { font-family: var(--mono); }

.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: #10233a;
    color: #dce7f3;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 8px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, #1f9d78, #0f6e56);
    font-weight: 700;
    color: white;
}

.brand strong { display: block; font-size: 16px; color: white; }
.brand span { font-size: 12px; color: #93a7bf; }

.nav { display: grid; gap: 6px; }
.nav a {
    padding: 12px 14px;
    border-radius: 10px;
    color: #b7c7d9;
    font-weight: 500;
}
.nav a:hover { background: rgba(255,255,255,0.05); color: white; }
.nav a.active {
    background: rgba(31, 157, 120, 0.18);
    color: #8ef0c8;
}

.sidebar-foot {
    margin-top: auto;
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: #7f93ab;
    font-size: 12px;
}

.main { padding: 28px; }
.topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 22px;
}
.topbar h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: -0.03em; }
.muted { color: var(--muted); margin: 0; }
.topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn, button.btn {
    appearance: none;
    border: 0;
    border-radius: 10px;
    background: var(--brand);
    color: white;
    padding: 10px 14px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn:hover { filter: brightness(1.05); }
.btn.ghost {
    background: white;
    color: var(--ink);
    border: 1px solid var(--line);
}
.btn.danger { background: var(--danger); }
.btn.warn { background: var(--accent); }
.btn.sm { padding: 7px 10px; font-size: 13px; }

.content { display: grid; gap: 18px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.stat-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px 18px;
    box-shadow: var(--shadow);
}
.stat-card .label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
}
.stat-card .value {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
}
.stat-card .sub {
    margin-top: 8px;
    font-size: 12px;
    color: var(--muted);
}
.stat-card.green .value { color: var(--ok); }
.stat-card.red .value { color: var(--danger); }
.stat-card.orange .value { color: var(--accent); }
.stat-card.teal .value { color: var(--brand); }

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.panel-head {
    padding: 16px 18px;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}
.panel-head h2 {
    margin: 0;
    font-size: 16px;
}
.panel-body { padding: 16px 18px; }

.grid-2 {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 18px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.table-wrap { overflow: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
th, td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    white-space: nowrap;
}
th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    background: #f8fafc;
    position: sticky;
    top: 0;
}
tr:hover td { background: #fafbfc; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge.success { background: var(--brand-soft); color: var(--brand); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.neutral { background: #eef2f6; color: var(--muted); }

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: end;
}
.field { display: grid; gap: 6px; }
.field label { font-size: 12px; color: var(--muted); font-weight: 600; }
.field input, .field select {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    font: inherit;
    min-width: 160px;
    background: white;
}

.alert {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: white;
}
.alert.ok {
    background: var(--brand-soft);
    border-color: #b7e0d1;
    color: var(--brand);
}

.api-box {
    background: #0f1c2c;
    color: #d7e6f5;
    border-radius: 12px;
    padding: 14px 16px;
    font-family: var(--mono);
    font-size: 13px;
    overflow: auto;
}
.api-box .comment { color: #7f93ab; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
    background: #f3f6fa;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
    color: var(--muted);
}

.rate-bar {
    height: 8px;
    background: #e8eef5;
    border-radius: 999px;
    overflow: hidden;
    min-width: 80px;
}
.rate-bar > span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, #1f9d78, #0f6e56);
}

.toolbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.empty {
    padding: 28px;
    text-align: center;
    color: var(--muted);
}

@media (max-width: 1100px) {
    .stats-grid, .grid-2, .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { gap: 16px; }
    .nav { grid-template-columns: repeat(3, 1fr); }
    .stats-grid, .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; }
}