/* Pearl Fees — copper + ember "gauge desk" theme.
 * Pearl family feel (dark, luminous) with Fees' own personality:
 * furnace copper, ember orange, brushed-steel panels. */

:root {
  --bg: #100a06;
  --bg2: #181008;
  --panel: #1e1409;
  --panel2: #261a0d;
  --line: #4a2f16;
  --copper: #e08a3c;
  --copper-soft: #ffb35c;
  --copper-dim: #8a5a28;
  --ember: #ff6b35;
  --ink: #f7ede0;
  --ink-dim: #c9a06a;
  --danger: #ff6b6b;
  --ok: #7ddf9a;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 50% -120px, rgba(255, 107, 53, 0.10), transparent 70%),
    linear-gradient(180deg, var(--bg), #070402 70%);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

.hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(600px 200px at 20% 0, rgba(224, 138, 60, 0.10), transparent 70%),
    linear-gradient(180deg, #241608, transparent);
  padding: 2.2rem 1.5rem 1.4rem;
  position: relative;
}
.hero .seal {
  position: absolute;
  top: 1.2rem; right: 2rem;
  font-size: 3rem;
  color: var(--copper);
  opacity: 0.55;
  text-shadow: 0 0 24px rgba(255, 107, 53, 0.6);
}
.kicker {
  color: var(--copper-soft);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.75rem;
  margin: 0 0 0.4rem;
}
.hero h1 {
  margin: 0 0 0.6rem;
  font-size: 2.4rem;
  font-weight: 700;
  background: linear-gradient(120deg, var(--copper-soft), var(--copper) 60%, #ffe0b3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .sub { max-width: 62rem; color: var(--ink-dim); line-height: 1.55; margin: 0 0 1.2rem; }
.hero .sub em { color: var(--copper-soft); font-style: normal; }

.steps { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.steps button {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink-dim);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
}
.steps button.active {
  background: linear-gradient(120deg, #3a2210, #54300f);
  border-color: var(--copper);
  color: var(--copper-soft);
  box-shadow: 0 0 14px rgba(224, 138, 60, 0.25);
}

.limits {
  margin: 1.2rem auto 0;
  max-width: 72rem;
  padding: 0 1.5rem;
}
.limits > div {
  border: 1px solid var(--line);
  border-left: 4px solid var(--copper);
  background: rgba(224, 138, 60, 0.05);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  font-size: 0.88rem;
  color: var(--ink-dim);
}
.limits strong { color: var(--copper-soft); }
.limits ul { margin: 0.5rem 0 0; padding-left: 1.2rem; }
.limits li { margin: 0.3rem 0; line-height: 1.5; }
.limits em { color: var(--copper-soft); font-style: normal; }

main { max-width: 72rem; margin: 0 auto; padding: 1.5rem; }
.panel { display: none; }
.panel.active { display: block; }
.panel h2 { color: var(--copper-soft); margin-top: 0; }
.hint { color: var(--ink-dim); font-size: 0.9rem; line-height: 1.55; }
.mono { font-family: var(--mono); }
.dim { color: var(--ink-dim); font-weight: normal; font-size: 0.8em; }

.bar {
  display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap;
  margin-bottom: 1rem;
}
.pill {
  display: inline-block; padding: 0.3rem 0.8rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em;
}
.pill.live { background: rgba(125, 223, 154, 0.12); border: 1px solid var(--ok); color: var(--ok); }
.pill.demo { background: rgba(224, 138, 60, 0.12); border: 1px solid var(--copper); color: var(--copper-soft); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.7rem; margin: 1rem 0; }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 0.8rem 1rem;
}
.stat-label { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-dim); }
.stat-val { display: block; font-size: 1.35rem; font-weight: 700; color: var(--copper-soft); font-family: var(--mono); margin-top: 0.2rem; }

#m-hist {
  width: 100%; height: 180px; display: block;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
}

.recs { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0.7rem; margin: 1rem 0; }
.rec {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 0.9rem 1rem;
}
.rec-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.3rem; }
.rec-head strong { color: var(--ink); }
.rate { font-family: var(--mono); color: var(--ember); font-weight: 700; }
.rec-hint { font-size: 0.82rem; color: var(--ink-dim); line-height: 1.5; margin-bottom: 0.6rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 0.5rem 0.7rem; border-bottom: 1px solid var(--line); }
th { color: var(--copper-soft); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.1em; }
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 0.4rem 0.8rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.8rem; margin: 1rem 0; }
label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; color: var(--ink-dim); }
input, select, textarea {
  background: #120c06; border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 0.6rem 0.75rem; font-size: 0.95rem; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--copper); box-shadow: 0 0 0 2px rgba(224, 138, 60, 0.25); }

.row { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; margin: 0.8rem 0; }
button {
  background: var(--panel2); border: 1px solid var(--copper-dim); color: var(--copper-soft);
  padding: 0.6rem 1.1rem; border-radius: 8px; cursor: pointer; font-size: 0.9rem;
}
button:hover { border-color: var(--copper); }
button.primary {
  background: linear-gradient(120deg, #7a3b10, #a5511a); border-color: var(--copper);
  color: #fff3e0; font-weight: 600;
}
button.use-rate { font-size: 0.8rem; padding: 0.4rem 0.8rem; }
.err { color: var(--danger); font-size: 0.88rem; }

.fee-card {
  background: linear-gradient(160deg, #2a1a0c, #1e1409);
  border: 1px solid var(--copper); border-radius: 12px;
  padding: 1.4rem; margin: 1rem 0; text-align: center;
  box-shadow: 0 0 30px rgba(224, 138, 60, 0.12);
}
.fee-big { font-size: 2.4rem; font-weight: 800; color: var(--copper-soft); font-family: var(--mono); }
.fee-big span { font-size: 1rem; font-weight: 400; color: var(--ink-dim); }
.fee-sub { margin-top: 0.5rem; color: var(--ink-dim); font-size: 0.9rem; }

.radio {
  display: flex; align-items: center; gap: 0.5rem; flex-direction: row;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 0.55rem 0.8rem; cursor: pointer; color: var(--ink);
}
.radio input[type="radio"] { accent-color: var(--copper); }
.radio input.inline { padding: 0.3rem 0.5rem; }
.radio-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0.8rem 0; }

.plan {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.1rem 1.3rem; margin-top: 1rem;
}
.plan h3 { margin-top: 0; color: var(--copper-soft); }
.grid2 { display: grid; grid-template-columns: 11rem 1fr; gap: 0.45rem 1rem; font-size: 0.92rem; }
.grid2 > div:nth-child(odd) { color: var(--ink-dim); }

footer {
  border-top: 1px solid var(--line); margin-top: 2.5rem; padding: 1.5rem;
  text-align: center; color: var(--ink-dim); font-size: 0.85rem; line-height: 1.7;
}
footer a { color: var(--copper-soft); }
footer .donate { font-family: var(--mono); font-size: 0.78rem; word-break: break-all; }

.hidden { display: none; }
@media (max-width: 640px) {
  .hero h1 { font-size: 1.8rem; }
  .grid2 { grid-template-columns: 1fr; }
}

/* Keyboard focus: a visible ring in this app's accent on every interactive element (fleet focus-visible pass). */
:focus-visible { outline: 2px solid var(--ember); 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(--ember); border-radius: 8px; background: #0b0e14; color: var(--ember); 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; }
}