:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --border: #e3e6eb;
  --text: #1d2330;
  --text-2: #52596a;
  --muted: #8a91a0;
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --series-1: #2a78d6;
  --good: #1a7f37;
  --good-bg: #e6f4ea;
  --bad: #c62828;
  --bad-bg: #fdecea;
  --warn: #9a6700;
  --warn-bg: #fff4d6;
  --sidebar: #1b2130;
  --sidebar-text: #c9cfdb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #12151c;
    --surface: #1a1e27;
    --surface-2: #20252f;
    --border: #2c3240;
    --text: #e8ebf1;
    --text-2: #b4bccb;
    --muted: #7d8697;
    --accent: #3987e5;
    --series-1: #3987e5;
    --good: #4ac26b;
    --good-bg: #16301f;
    --bad: #f07070;
    --bad-bg: #3a1c1c;
    --warn: #e0b341;
    --warn-bg: #352b10;
    --sidebar: #0d1016;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
[hidden] { display: none !important; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; }
a { color: var(--accent); }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 32px; width: 100%; max-width: 360px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.login-card .brand { color: var(--text); margin-bottom: 8px; }
.error { color: var(--bad); min-height: 1em; margin: 0; }

/* Layout */
.app { display: grid; grid-template-columns: 230px minmax(0, 1fr); min-height: 100vh; }
.sidebar { background: var(--sidebar); color: var(--sidebar-text); display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 16px; color: #fff; padding: 0 8px 18px; }
.logo { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: #fff; font-size: 16px; }
nav { display: grid; gap: 2px; }
nav a { color: var(--sidebar-text); text-decoration: none; padding: 9px 12px; border-radius: 8px; display: flex; gap: 10px; align-items: center; }
nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
nav a.active { background: rgba(255, 255, 255, .1); color: #fff; font-weight: 600; }
nav .ico { width: 18px; text-align: center; opacity: .85; }
.sidebar-foot { margin-top: auto; display: grid; gap: 6px; padding: 12px 4px 0; border-top: 1px solid rgba(255, 255, 255, .08); }
.whoami { font-size: 13px; padding: 0 8px 4px; }
.sidebar .btn.ghost { color: var(--sidebar-text); border-color: rgba(255, 255, 255, .12); }
main { padding: 24px 28px 48px; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head p { margin: 4px 0 0; color: var(--text-2); }

/* Cards & grid */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); min-width: 0; }
.grid { display: grid; gap: 16px; }
.grid.tiles { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.tile .label { color: var(--text-2); font-size: 12.5px; }
.tile .value { font-size: 26px; font-weight: 650; margin-top: 4px; font-variant-numeric: tabular-nums; }
.tile .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.stack { display: grid; gap: 16px; }

/* Buttons & forms */
a.btn { text-decoration: none; display: inline-block; }
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 8px 14px; border-radius: 8px; cursor: pointer; font: inherit; font-weight: 550; white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--bad); }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: default; }
label { display: grid; gap: 5px; font-size: 13px; color: var(--text-2); font-weight: 550; }
input, select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%; }
textarea { min-height: 120px; resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--text); }
.check input { width: auto; }
.hint { color: var(--muted); font-size: 12px; font-weight: 400; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 14px; }
.toolbar > * { flex: 0 1 auto; }
.toolbar input, .toolbar select { width: auto; min-width: 140px; }
.form-grid { display: grid; gap: 14px; align-items: start; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; color: var(--text-2); font-weight: 600; background: var(--surface-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.actions { text-align: right; white-space: nowrap; }
td.wrap { max-width: 420px; overflow-wrap: anywhere; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.card .table-wrap { border: 0; }
.mini td, .mini th { padding: 6px 4px; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); white-space: nowrap; }
.badge.ok { background: var(--good-bg); color: var(--good); border-color: transparent; }
.badge.bad { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge.info { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); border-color: transparent; }

/* Bar chart */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: 180px; overflow: visible; }
.chart .bar { fill: var(--series-1); }
.chart .bar.hover { fill: color-mix(in srgb, var(--series-1) 75%, var(--text)); }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart .grid-line { stroke: var(--border); stroke-width: 1; }
.chart-tip { position: absolute; pointer-events: none; background: var(--text); color: var(--bg); padding: 6px 9px; border-radius: 6px; font-size: 12px; white-space: nowrap; transform: translate(-50%, -110%); }

/* Modal & toast */
dialog { border: 1px solid var(--border); border-radius: 14px; padding: 0; background: var(--surface); color: var(--text); width: min(560px, calc(100vw - 32px)); box-shadow: 0 20px 60px rgba(0, 0, 0, .25); }
dialog::backdrop { background: rgba(10, 14, 22, .45); }
#modal-form { padding: 22px; display: grid; gap: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; box-shadow: 0 8px 24px rgba(0, 0, 0, .2); z-index: 100; max-width: calc(100vw - 40px); }
.toast.err { background: var(--bad); color: #fff; }
.secret { padding: 10px; background: var(--surface-2); border: 1px dashed var(--border); border-radius: 8px; overflow-wrap: anywhere; user-select: all; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 12px; color: var(--text-2); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
.kv dt { color: var(--text-2); }
.kv dd { margin: 0; }

@media (max-width: 820px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; height: auto; padding: 12px; }
  nav { grid-auto-flow: column; overflow-x: auto; }
  nav a { white-space: nowrap; }
  .sidebar-foot { display: flex; flex-wrap: wrap; align-items: center; margin-top: 12px; }
  .toolbar input, .toolbar select { min-width: 0; flex: 1 1 140px; }
  main { padding: 16px; }
}