/* Pearl Rig — ember-forge theme: charcoal + molten amber on near-black.
   Distinct from Pool (Foundry), Vault, Bazaar, Pulse. */

:root {
  --bg: #0c0906;
  --bg2: #14100b;
  --card: #181209;
  --card2: #1f160c;
  --line: #3a2a16;
  --line-hot: #6b4423;
  --ink: #f5ead9;
  --ink-dim: #c9b294;
  --ink-faint: #98856c;
  --amber: #f5a524;
  --molten: #ff7a1a;
  --ember: #ff3d00;
  --green: #7ddf8e;
  --red: #ff6b5e;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -10%, #1d130a 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--ink);
  font-family: -apple-system, 'Segoe UI', Inter, Roboto, sans-serif;
  line-height: 1.55;
}
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

/* floating embers */
.embers { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.ember {
  position: absolute; bottom: -20px; width: 6px; height: 6px; border-radius: 50%;
  background: var(--molten); opacity: 0;
  animation: rise linear infinite;
  box-shadow: 0 0 12px 2px rgba(255, 122, 26, .55);
}
.ember.e1 { left: 12%; animation-duration: 14s; animation-delay: 0s; }
.ember.e2 { left: 32%; animation-duration: 19s; animation-delay: 4s; width: 4px; height: 4px; }
.ember.e3 { left: 55%; animation-duration: 16s; animation-delay: 8s; }
.ember.e4 { left: 74%; animation-duration: 22s; animation-delay: 2s; width: 5px; height: 5px; }
.ember.e5 { left: 90%; animation-duration: 15s; animation-delay: 11s; width: 4px; height: 4px; }
@keyframes rise {
  0% { transform: translateY(0); opacity: 0; }
  12% { opacity: .8; }
  100% { transform: translateY(-105vh); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .ember { animation: none; } }

/* topbar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(12, 9, 6, .88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 18px; padding: 12px 20px; }
.brand { color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; }
.brand span { color: var(--molten); }
.nav { display: flex; gap: 14px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--ink-dim); text-decoration: none; font-size: .92rem; }
.nav a:hover { color: var(--amber); }
.conn {
  font-family: var(--mono); font-size: .78rem; color: var(--ink-faint);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; white-space: nowrap;
}
.conn.live { color: var(--green); border-color: #2c5a36; }

/* hero */
.hero { text-align: center; padding: 64px 20px 36px; position: relative; z-index: 1; }
.eyebrow { color: var(--amber); text-transform: uppercase; letter-spacing: .22em; font-size: .78rem; margin: 0 0 12px; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); margin: 0 0 14px; letter-spacing: -.01em; }
.molten {
  background: linear-gradient(180deg, #ffd98a 0%, var(--amber) 45%, var(--ember) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 42px rgba(255, 122, 26, .35);
}
.lede { max-width: 720px; margin: 0 auto; color: var(--ink-dim); font-size: 1.06rem; }
.lede em { color: var(--ink); font-style: normal; border-bottom: 1px dotted var(--line-hot); }
.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; max-width: 860px; margin: 30px auto 0; }
.hero-stat {
  background: linear-gradient(180deg, var(--card2), var(--card));
  border: 1px solid var(--line); border-radius: 12px; padding: 14px;
}
.hs-label { display: block; font-size: .74rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.hs-value { font-family: var(--mono); font-size: 1.25rem; color: var(--amber); }

/* cards */
.card {
  position: relative; z-index: 1;
  background: linear-gradient(180deg, rgba(31, 22, 12, .92), rgba(24, 18, 9, .92));
  border: 1px solid var(--line); border-radius: 16px;
  padding: 26px; margin: 22px 0;
  box-shadow: 0 18px 50px -20px rgba(0, 0, 0, .7);
}
.card h2 { margin: 0 0 6px; font-size: 1.35rem; }
.card h3 { margin: 22px 0 8px; font-size: 1.05rem; color: var(--amber); }
.sec-ico { margin-right: 8px; }
.card-sub { color: var(--ink-dim); margin: 0 0 16px; font-size: .95rem; }
.note { color: var(--ink-faint); font-size: .85rem; }
.note code, .card-sub code { color: var(--amber); font-family: var(--mono); font-size: .85em; }
.hint { color: var(--ink-faint); font-weight: 400; font-size: .82em; }
.hidden { display: none !important; }

/* forms */
.form-row { margin: 12px 0; }
.form-row label { display: block; font-size: .85rem; color: var(--ink-dim); margin-bottom: 6px; }
input[type="number"], input[type="text"], input[type="url"], select {
  width: 100%; max-width: 420px;
  background: #0e0a06; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font-size: 1rem; font-family: var(--mono);
}
input:focus, select:focus { outline: none; border-color: var(--molten); box-shadow: 0 0 0 3px rgba(255, 122, 26, .18); }
.btn {
  background: linear-gradient(180deg, #b45a12, #8a3f0a);
  color: #fff8ec; border: 1px solid #a3540f; border-radius: 10px;
  padding: 10px 20px; font-size: .95rem; font-weight: 700; cursor: pointer;
  box-shadow: 0 6px 18px -6px rgba(255, 122, 26, .5);
}
.btn:hover { filter: brightness(1.12); }
.btn.small { padding: 5px 12px; font-size: .82rem; }

/* price */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 8px; }
@media (max-width: 720px) { .grid-3 { grid-template-columns: 1fr; } }
.price-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; }
.price-big { font-family: var(--mono); font-size: 2.4rem; color: var(--amber); text-shadow: 0 0 24px rgba(245, 165, 36, .3); }
.price-meta { display: flex; flex-direction: column; font-size: .85rem; color: var(--ink-dim); }
#priceChg.up { color: var(--green); }
#priceChg.down { color: var(--red); }
.stat-mini {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px dashed var(--line); padding: 10px 0; font-size: .92rem; color: var(--ink-dim);
}
.stat-mini strong { font-family: var(--mono); color: var(--ink); }

/* fleet table */
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; } /* wide tables scroll inside on small screens instead of breaking layout */
table.fleet, table.sens { width: 100%; border-collapse: collapse; font-size: .93rem; }
.fleet th, .fleet td, .sens th, .sens td {
  text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line);
}
.fleet th, .sens th { color: var(--ink-faint); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.fleet td, .sens td { font-family: var(--mono); }
.fleet tfoot td { border-bottom: none; color: var(--amber); font-weight: 700; }
.row-del { background: none; border: 1px solid var(--line); color: var(--ink-faint); border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.row-del:hover { color: var(--red); border-color: var(--red); }
.add-row { display: grid; grid-template-columns: 1.4fr 1.4fr .6fr .8fr auto; gap: 10px; margin-top: 14px; }
.add-row input, .add-row select { max-width: none; }
@media (max-width: 720px) { .add-row { grid-template-columns: 1fr 1fr; } }

/* mode tabs */
.mode-tabs { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.mode-tab {
  background: #0e0a06; color: var(--ink-dim); border: 1px solid var(--line);
  border-radius: 999px; padding: 9px 18px; font-size: .92rem; cursor: pointer;
}
.mode-tab.active { color: #fff3df; border-color: var(--molten); box-shadow: 0 0 0 3px rgba(255, 122, 26, .15); }
.rec {
  font-size: .7rem; text-transform: uppercase; letter-spacing: .06em;
  background: rgba(125, 223, 142, .14); color: var(--green);
  border-radius: 999px; padding: 2px 8px; margin-left: 6px;
}

/* results */
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 8px; }
.result {
  background: #0e0a06; border: 1px solid var(--line); border-radius: 12px; padding: 16px;
}
.result.hot { border-color: var(--molten); box-shadow: 0 0 26px -8px rgba(255, 122, 26, .55); }
.r-label { display: block; font-size: .74rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.r-value { font-family: var(--mono); font-size: 1.45rem; color: var(--ink); }
.result.hot .r-value { color: var(--amber); }
.r-value.dim { color: var(--ink-dim); font-size: 1.2rem; }
.r-value.neg { color: var(--red); }
.r-value.pos { color: var(--green); }
.r-sub { display: block; font-size: .82rem; color: var(--ink-faint); margin-top: 6px; font-family: var(--mono); }
.sens td.neg { color: var(--red); }
.sens td.pos { color: var(--green); }
.sens td.cur { color: var(--amber); font-weight: 700; }

/* sources */
.src-list { margin: 0; padding-left: 20px; color: var(--ink-dim); font-size: .93rem; }
.src-list li { margin-bottom: 12px; }
.src-list strong { color: var(--ink); }
.src-list code { color: var(--amber); font-family: var(--mono); font-size: .85em; }
.src-list a { color: var(--amber); }

/* footer */
.footer { text-align: center; padding: 30px 0 46px; color: var(--ink-faint); font-size: .88rem; position: relative; z-index: 1; }
.footer a { color: var(--amber); text-decoration: none; }
.donate code { font-family: var(--mono); font-size: .78rem; color: var(--ink-dim); word-break: break-all; }

/* Keyboard focus: a visible ring in this app's accent on every interactive element (fleet focus-visible pass). */
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* Skip link: the first Tab stop on the page — parked off-screen until keyboard focus reveals it (fleet skip-link pass). */
.skip-link { position: absolute; left: 12px; top: -64px; z-index: 1000; padding: 10px 16px; border: 2px solid var(--amber); border-radius: 8px; background: #0b0e14; color: var(--amber); font-weight: 700; text-decoration: none; transition: top .15s ease; }
.skip-link:focus-visible { top: 12px; }
main:focus { outline: none; }

/* Reduced motion: when the OS asks for reduced motion, animations and transitions finish near-instantly and scrolling is not smoothed (fleet reduced-motion pass). Near-zero durations — not animation: none — so fade-ins still land on their end state and no content can be stranded invisible. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* Touch targets (fleet WCAG 2.5.8 pass): standalone nav links measured 22.8px tall (one 22.1px wide) in the fleet probe — pad them past the 24px minimum. */
.nav a { padding: 4px 7px; }