/* ═══ API ENGINE — dark instrument panel ══════════════════════════════════
   Direction: NOC / ops instrument console. Monospace-led identity, layered
   atmosphere, one choreographed load sequence. Series + status colors are
   the validated dark-surface palette (dataviz reference) — do not restyle
   them casually; they were chosen for CVD-safe adjacency.               */

:root {
  color-scheme: dark;

  /* chrome & ink */
  --page: #0d0d0d;
  --page-deep: #090909;
  --surface: #1a1a19;
  --surface-2: #212120;
  --surface-3: #292927;
  --ink: #f4f4f0;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --ring: rgba(255, 255, 255, 0.08);
  --ring-strong: rgba(255, 255, 255, 0.16);

  /* categorical series (fixed slot order, validated for #1a1a19) */
  --s1: #3987e5; --s2: #008300; --s3: #d55181; --s4: #c98500;
  --s5: #199e70; --s6: #d95926; --s7: #9085e9; --s8: #e66767;

  /* status — reserved, never series */
  --good: #0ca30c; --warn: #fab219; --serious: #ec835a; --crit: #d03b3b;

  --accent: var(--s1);
  --accent-glow: rgba(57, 135, 229, 0.35);

  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --font-ui: system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 12px;
  --radius-s: 7px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-1: 150ms;
  --dur-2: 350ms;
  --dur-3: 700ms;
}

* { box-sizing: border-box; }
html { background: var(--page); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--ink);
  font: 14px/1.55 var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

/* layered atmosphere: top glow + faint engineering grid + grain */
.atmosphere {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60rem 24rem at 18% -8%, rgba(57, 135, 229, 0.09), transparent 60%),
    radial-gradient(48rem 20rem at 92% -12%, rgba(144, 133, 233, 0.05), transparent 55%),
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(255, 255, 255, 0.016) 47px 48px),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(255, 255, 255, 0.016) 47px 48px),
    linear-gradient(180deg, #101011 0%, var(--page) 34%);
}
.atmosphere::after {
  content: ""; position: absolute; inset: 0; opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.03 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { max-width: 1220px; margin: 0 auto; padding: 0 22px 24px; }

/* ── entrance choreography (once, staggered) ─────────────────────────── */
.reveal { opacity: 0; transform: translateY(14px); }
body.booted .reveal {
  opacity: 1; transform: none;
  transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out);
}
body.booted .reveal:nth-of-type(1) { transition-delay: 0ms; }
.bento .reveal:nth-child(1) { transition-delay: 90ms; }
.bento .reveal:nth-child(2) { transition-delay: 170ms; }
main > .panel.reveal { transition-delay: 250ms; }
main > .panel.reveal:last-of-type { transition-delay: 330ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none !important; }
  * { animation: none !important; transition-duration: 0ms !important; }
}

/* ── topbar ──────────────────────────────────────────────────────────── */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 22px 14px; margin-bottom: 26px;
  border-bottom: 1px solid var(--grid);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand h1 {
  margin: 0; font: 700 15px/1 var(--font-mono);
  letter-spacing: 0.22em; text-transform: uppercase;
}
.brand h1 em { font-style: normal; color: var(--accent); }
.brand-mark {
  width: 11px; height: 11px; border-radius: 3px; flex: none;
  background: linear-gradient(135deg, var(--accent), #6ea8f0);
  box-shadow: 0 0 14px var(--accent-glow), 0 0 3px var(--accent);
}
.live {
  display: flex; align-items: center; gap: 7px;
  font: 11px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.08em; white-space: nowrap;
}
.live-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--good);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(12, 163, 12, 0.45); }
  50% { box-shadow: 0 0 0 5px rgba(12, 163, 12, 0); }
}
.topbar-right { display: flex; gap: 10px; align-items: center; }

.mode-badge {
  font: 700 11px/1 var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase;
  padding: 8px 16px; border-radius: 999px; border: 1px solid; cursor: pointer;
  background: transparent; position: relative;
  transition: transform var(--dur-1) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
.mode-badge.free { color: var(--good); border-color: color-mix(in srgb, var(--good) 60%, transparent); box-shadow: inset 0 0 18px rgba(12,163,12,0.08); }
.mode-badge.hybrid { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 60%, transparent); box-shadow: inset 0 0 18px rgba(250,178,25,0.10), 0 0 16px rgba(250,178,25,0.12); }
.mode-badge:hover { transform: translateY(-1px); }
.mode-badge:active { transform: translateY(0); }

.ghost-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--grid);
  border-radius: var(--radius-s); padding: 7px 12px; cursor: pointer;
  font: 600 10px/1 var(--font-mono); letter-spacing: 0.14em;
  transition: color var(--dur-1), border-color var(--dur-1), background var(--dur-1);
}
.ghost-btn:hover { color: var(--ink-2); border-color: var(--ring-strong); background: var(--surface); }
.mode-badge:focus-visible, .ghost-btn:focus-visible, .row-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* ── stat tiles (hero-weighted bento strip) ──────────────────────────── */
.tiles {
  display: grid; gap: 14px; margin-bottom: 14px;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
}
.tile {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--ring); border-radius: var(--radius);
  padding: 18px 20px 16px; display: flex; flex-direction: column; gap: 6px;
  position: relative; overflow: hidden;
  transition: border-color var(--dur-2), transform var(--dur-2) var(--ease-out);
}
.tile:hover { border-color: var(--ring-strong); transform: translateY(-2px); }
.tile-label {
  font: 600 10px/1 var(--font-mono); letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted);
}
.tile-value {
  font: 650 34px/1.05 var(--font-mono); font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.tile-value small { font-size: 17px; color: var(--ink-2); font-weight: 500; }
.tile-sub { font: 11px/1.3 var(--font-mono); color: var(--muted); }
.tile--hero { border-color: color-mix(in srgb, var(--accent) 35%, var(--ring)); }
.tile--hero::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: linear-gradient(180deg, var(--accent), transparent 90%);
}
.tile--hero::after {
  content: ""; position: absolute; top: -40%; right: -20%; width: 60%; height: 120%;
  background: radial-gradient(closest-side, var(--accent-glow), transparent 70%);
  opacity: 0.35; pointer-events: none;
}
.tile--hero .tile-value { font-size: 46px; color: #eaf2fd; text-shadow: 0 0 24px var(--accent-glow); }

/* ── panels & bento ──────────────────────────────────────────────────── */
.bento { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; margin-bottom: 14px; }
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.014), transparent 45%), var(--surface);
  border: 1px solid var(--ring); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 14px; min-width: 0;
}
.bento .panel { margin-bottom: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
h2 {
  margin: 0 0 2px; font: 700 11px/1.4 var(--font-mono);
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-2);
}
.h-index { color: var(--accent); margin-right: 8px; font-weight: 600; }
.hint { color: var(--muted); font-weight: 400; letter-spacing: 0.04em; text-transform: none; font-family: var(--font-ui); font-size: 11px; }

/* ── timeline ────────────────────────────────────────────────────────── */
.legend { display: flex; gap: 14px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font: 11px/1 var(--font-mono); color: var(--ink-2); letter-spacing: 0.04em; }
.legend-chip { width: 9px; height: 9px; border-radius: 3px; flex: none; }

.timeline-wrap { position: relative; margin-top: 18px; }
.tl-max {
  position: absolute; top: -2px; right: 0; font: 10px/1 var(--font-mono);
  color: var(--muted); letter-spacing: 0.08em;
}
.timeline {
  display: flex; align-items: flex-end; gap: 5px;
  height: 158px; padding-top: 12px;
  border-bottom: 1px solid var(--grid);
  background: repeating-linear-gradient(0deg, transparent 0 38px, rgba(255,255,255,0.03) 38px 39px);
}
.tl-col {
  flex: 1; display: flex; flex-direction: column-reverse;
  min-width: 7px; height: 100%; justify-content: flex-start;
  border-radius: 4px 4px 0 0;
  transition: background var(--dur-1);
}
.tl-col:hover { background: rgba(255, 255, 255, 0.045); }
.tl-seg { border-radius: 2px; margin-top: 2px; min-height: 2px; transition: filter var(--dur-1); }
.tl-seg:last-child { border-radius: 4px 4px 2px 2px; }
.tl-col:hover .tl-seg { filter: brightness(1.3) saturate(1.1); }
.tl-hours { display: flex; gap: 5px; margin-top: 7px; }
.tl-hours span { flex: 1; text-align: center; font: 10px/1 var(--font-mono); color: var(--muted); }
.tl-empty {
  color: var(--muted); font: 12px/1.5 var(--font-mono); letter-spacing: 0.06em;
  padding: 56px 0; text-align: center; width: 100%;
}

.chart-tooltip {
  position: fixed; z-index: 20; pointer-events: none; min-width: 150px;
  background: var(--surface-3); border: 1px solid var(--ring-strong); border-radius: var(--radius-s);
  padding: 9px 12px; font: 12px/1.7 var(--font-mono);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}
.chart-tooltip strong { letter-spacing: 0.06em; }
.chart-tooltip .tt-row { display: flex; align-items: center; gap: 7px; }
.chart-tooltip .tt-num { margin-left: auto; padding-left: 16px; font-variant-numeric: tabular-nums; }

/* ── providers rail ──────────────────────────────────────────────────── */
.provider-list { display: flex; flex-direction: column; gap: 9px; margin-top: 14px; }
.provider-card {
  border: 1px solid var(--ring); border-left: 3px solid var(--pc, var(--s1));
  border-radius: var(--radius-s); padding: 10px 13px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--pc, var(--s1)) 7%, transparent), transparent 40%), var(--surface-2);
  display: flex; flex-direction: column; gap: 3px;
  transition: border-color var(--dur-1), transform var(--dur-2) var(--ease-out);
}
.provider-card:hover { border-color: var(--ring-strong); transform: translateX(2px); }
.pc-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.pc-name { font: 600 13px/1.2 var(--font-mono); letter-spacing: 0.03em; }
.pc-kind { font: 600 9px/1 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--grid); border-radius: 999px; padding: 3px 7px; }
.pc-stats { font: 11px/1.5 var(--font-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.pc-health { font: 11px/1.4 var(--font-mono); display: flex; align-items: center; gap: 6px; color: var(--ink-2); }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex: none; }
.dot.ok { background: var(--good); box-shadow: 0 0 6px rgba(12,163,12,0.5); }
.dot.bad { background: var(--crit); box-shadow: 0 0 6px rgba(208,59,59,0.5); }

/* ── tables ──────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; font: 600 10px/1.4 var(--font-mono); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
  padding: 7px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap;
}
td { padding: 9px 10px; border-bottom: 1px solid rgba(255,255,255,0.045); vertical-align: middle; }
tbody tr { transition: background var(--dur-1); }
tbody tr:hover { background: rgba(255, 255, 255, 0.028); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.num { font-family: var(--font-mono); font-size: 12.5px; }
.mono { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.02em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* quota meter */
.meter-cell { min-width: 170px; }
.meter {
  height: 5px; border-radius: 3px; overflow: hidden; margin-top: 5px;
  background: repeating-linear-gradient(90deg, var(--grid) 0 6px, var(--surface-3) 6px 8px);
}
.meter-fill { height: 100%; border-radius: 3px; transition: width 500ms var(--ease-out); }
.meter-fill.good { background: linear-gradient(90deg, color-mix(in srgb, var(--good) 70%, #063), var(--good)); }
.meter-fill.warn { background: linear-gradient(90deg, color-mix(in srgb, var(--warn) 70%, #740), var(--warn)); }
.meter-fill.crit { background: linear-gradient(90deg, color-mix(in srgb, var(--crit) 70%, #500), var(--crit)); }
.meter-label { font: 11px/1.5 var(--font-mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }

/* key state chips */
.chip {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  font: 600 10px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px; border: 1px solid;
}
.chip::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.chip.ready { color: var(--good); border-color: color-mix(in srgb, var(--good) 45%, transparent); background: rgba(12,163,12,0.06); }
.chip.cooling { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: rgba(250,178,25,0.06); }
.chip.disabled { color: var(--crit); border-color: color-mix(in srgb, var(--crit) 45%, transparent); background: rgba(208,59,59,0.06); }

.row-btn {
  background: transparent; border: 1px solid var(--grid); color: var(--ink-2);
  border-radius: 5px; padding: 4px 10px; cursor: pointer;
  font: 600 10px/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase;
  transition: border-color var(--dur-1), color var(--dur-1), background var(--dur-1);
}
.row-btn:hover { border-color: var(--ring-strong); color: var(--ink); background: var(--surface-2); }

/* recent requests */
.st { font: 700 10.5px/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.st.ok { color: var(--good); }
.st.exhausted, .st.error { color: var(--crit); }
.st.rate_limited { color: var(--warn); }
.recent-table tbody tr.expandable { cursor: pointer; }
.recent-table tbody tr.expandable.open { background: rgba(57, 135, 229, 0.05); }
.detail-row td {
  background: var(--page-deep); padding: 14px 18px;
  border-left: 2px solid var(--accent);
  box-shadow: inset 0 6px 12px -8px rgba(0,0,0,0.8);
}
.detail-block { font: 11.5px/1.8 var(--font-mono); }
.detail-block h4 {
  margin: 10px 0 4px; font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
}
.detail-block h4:first-child { margin-top: 0; }
.cand { display: flex; gap: 8px; align-items: baseline; padding: 2px 0; color: var(--ink-2); flex-wrap: wrap; }
.cand .why { color: var(--muted); }
.cand.kept { color: var(--ink); }

/* footer */
.foot {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 18px 4px 8px; color: var(--muted);
  font: 10px/1.6 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase;
}

/* ── responsive ──────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .bento { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .tile--hero { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  main { padding: 0 14px 18px; }
  .topbar { padding: 12px 14px; flex-wrap: wrap; }
  .tiles { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tile-value { font-size: 26px; }
  .tile--hero .tile-value { font-size: 36px; }
  .tl-hours span:nth-child(odd) { visibility: hidden; }
  .brand h1 { letter-spacing: 0.14em; }
}