:root {
  --bg: #f7f5f1;
  --surface: #ffffff;
  --ink: #23212b;
  --muted: #625e6b;
  --line: #e4dfd6;
  --grid: #eeeae3;
  --accent: #6c58a8;

  --level: #6c58a8;
  --storage: #3f8a5a;
  --avg: #8a8577;
  --outflow: #b8860b;
  --inflow: #2f7fb0;
  --precip: #6f84a8;
  --up: #2f7a47;
  --down: #a3472f;
  --warn-bg: #fff4d6; --warn-ink: #6b4b00;
  --ok-bg: #dff3e5; --ok-ink: #1d5b34;
  --err-bg: #fde3dc; --err-ink: #7d2a16;

  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Sora", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14121a; --surface: #1d1a25; --ink: #ece9f2; --muted: #a49fb0;
    --line: #2f2b3a; --grid: #2a2634; --accent: #a594e0;
    --level: #a594e0; --storage: #6cc28b; --avg: #a8a294; --outflow: #e0b23c;
    --inflow: #5fb0e0; --precip: #93a6c8; --up: #6cc28b; --down: #ec8a6f;
    --warn-bg: #3d3214; --warn-ink: #f5d98a; --ok-bg: #173826; --ok-ink: #9be0b3;
    --err-bg: #42201a; --err-ink: #f6b3a2;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 400 15px/1.5 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 16px; }
code { font-family: var(--font-mono); font-size: .88em; background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 1px 5px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* header */
.site-header {
  position: relative; color: #fff; padding: 64px 0 28px;
  background:
    linear-gradient(100deg, rgba(20, 10, 40, .9) 0%, rgba(40, 24, 70, .72) 50%, rgba(55, 34, 92, .5) 100%),
    url("/images/header.jpg") center / cover no-repeat;
}
.site-header h1 {
  margin: 0 0 8px; font: 700 clamp(1.9rem, 5vw, 2.7rem)/1.08 var(--font-display);
  letter-spacing: -.025em; text-shadow: 0 2px 18px rgba(0,0,0,.5);
}
.site-header .sub { margin: 0; max-width: 48rem; color: #f1ecf8; text-shadow: 0 1px 10px rgba(0,0,0,.55); }
.site-header code { background: rgba(0,0,0,.35); color: #f0dca6; }

.status {
  margin-top: 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px;
  font-size: .9rem; color: #f1ecf8;
}
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-weight: 600; font-size: .78rem; letter-spacing: .02em; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill-live { background: #dff3e5; color: #1d5b34; }
.pill-live::before { animation: pulse 2s infinite; }
.pill-warn { background: #fff0c2; color: #6b4b00; }
.pill-err { background: #fde3dc; color: #7d2a16; }
.pill-loading { background: rgba(255,255,255,.2); color: #fff; }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .pill-live::before { animation: none; } }

.btn, .btn-ghost, select {
  font: 500 .85rem var(--font-body); border-radius: 8px; padding: 7px 12px; cursor: pointer;
}
.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.24); }
.btn { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.btn:hover { border-color: var(--accent); }
button:disabled { opacity: .6; cursor: progress; }
select { background: var(--surface); color: var(--ink); border: 1px solid var(--line); padding-right: 8px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: -18px 0 20px; position: relative; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px 12px; border-top: 3px solid var(--c, var(--accent));
  box-shadow: 0 4px 18px rgba(20, 10, 40, .06); min-height: 128px;
}
.card.skeleton { background: linear-gradient(90deg, var(--surface), var(--grid), var(--surface)); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.card .label { font-size: .72rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.card .value { font: 600 1.6rem/1.15 var(--font-mono); margin: 6px 0 2px; }
.card .unit { font: 400 .8rem var(--font-body); color: var(--muted); }
.card .line { font-size: .8rem; color: var(--muted); }
.card .up { color: var(--up); } .card .down { color: var(--down); }
.card .big { font-weight: 600; color: var(--ink); }
.meter { height: 6px; border-radius: 3px; background: var(--grid); margin: 6px 0 4px; overflow: hidden; }
.meter > span { display: block; height: 100%; background: var(--c); border-radius: 3px; }

/* panels */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px 14px; margin-bottom: 20px; }
.panel h2 { margin: 0 0 2px; font: 600 1.12rem var(--font-display); letter-spacing: -.01em; }
.panel .muted { color: var(--muted); font: 400 .85rem var(--font-body); }
.panel-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 8px; }
.hint { margin: 0; color: var(--muted); font-size: .85rem; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.controls label { display: flex; flex-direction: column; gap: 3px; font-size: .68rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.chart { width: 100%; height: clamp(360px, 58vh, 560px); }
.fine { color: var(--muted); font-size: .8rem; margin: 6px 0 0; }

/* tables */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .86rem; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--surface); }
td.num, th.num { text-align: right; font-family: var(--font-mono); font-size: .82rem; }
th.num { font-family: var(--font-body); font-size: .72rem; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }
td.up { color: var(--up); } td.down { color: var(--down); }
#monthly-wrap, .table-scroll { max-height: 520px; }
details summary { cursor: pointer; font-weight: 600; }

.site-footer { padding: 10px 0 40px; color: var(--muted); font-size: .84rem; }

@media (max-width: 640px) {
  .site-header { padding-top: 40px; }
  .panel { padding: 14px 12px 10px; }
  .controls { width: 100%; }
  .controls label, .controls select { flex: 1 1 140px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .card .value { font-size: 1.3rem; }
}