:root {
  --ink: #14202c;
  --muted: #5c6d7c;
  --paper: #eef2f5;
  --card: #ffffff;
  --line: #c9d4de;
  --live: #0a6e74;
  --live-soft: #d6eef0;
  --up: #146c43;
  --up-soft: #d9f0e4;
  --down: #b42318;
  --down-soft: #f8d7d4;
  --gap: #8a5a12;
  --gap-soft: #f4e6c8;
  --shadow: 0 10px 30px rgba(20, 32, 44, 0.06);
  --radius: 18px;
  --sans: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --naskh: "Noto Naskh Arabic", "IBM Plex Sans Arabic", serif;
}

html[data-theme="night"] {
  --ink: #e8eef3;
  --muted: #9aadb8;
  --paper: #0c1218;
  --card: #141c24;
  --line: #2a3844;
  --live: #4ec4c8;
  --live-soft: #16383a;
  --up: #5dca8e;
  --up-soft: #163226;
  --down: #f0a39d;
  --down-soft: #3a1d1b;
  --gap: #e2c27a;
  --gap-soft: #332814;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { color-scheme: light; }
html[data-theme="night"] { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 480px at 100% -10%, rgba(10, 110, 116, 0.08), transparent 55%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
}

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  z-index: 20;
}
.skip-link:focus { top: 0.7rem; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 86%, transparent);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}
.brand__mark { width: 34px; height: 34px; color: var(--live); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-family: var(--naskh); font-size: 1.25rem; }
.brand__text small { color: var(--muted); font-size: 0.78rem; }

.top__links {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.92rem;
}
.top__links a { color: var(--ink); text-decoration: none; }
.top__links a:hover { color: var(--live); }

.theme-btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  cursor: pointer;
  font: inherit;
}

.pulse {
  margin: 0;
  padding: 0.85rem 1.4rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.pulse.is-gap { box-shadow: inset 0 -3px 0 var(--gap); }
.pulse.is-live { box-shadow: inset 0 -3px 0 var(--live); }

.pulse__clocks,
.pulse__quotes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.15rem;
  align-items: baseline;
  isolation: isolate;
}
.pulse__clocks {
  font-size: 0.92rem;
  color: var(--muted);
}
.pulse__clocks time,
.pulse__clocks em {
  font-style: normal;
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.pulse__quotes { margin-top: 0.55rem; }
.pulse-bit {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  font-size: 0.95rem;
}
.pulse-bit strong { font-variant-numeric: tabular-nums; }
.pulse-bit.is-up { background: var(--up-soft); color: var(--up); border-color: transparent; }
.pulse-bit.is-down { background: var(--down-soft); color: var(--down); border-color: transparent; }
.pulse-bit.is-gap { background: var(--gap-soft); color: var(--gap); border-color: transparent; }

.pulse__meta {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

main { width: min(1080px, calc(100% - 2rem)); margin: 1.6rem auto 3rem; }
.hero { margin-bottom: 1.6rem; }
.kicker {
  margin: 0 0 0.25rem;
  color: var(--live);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  font-weight: 600;
}
h1 {
  margin: 0 0 0.5rem;
  font-family: var(--naskh);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.35;
}
.lead { margin: 0; color: var(--muted); max-width: 42rem; }
.lead a, .foot a, .hero a {
  color: var(--live);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  position: relative;
  z-index: 1;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.2rem 1.25rem;
  margin-bottom: 1.1rem;
}
.panel__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.8rem;
}
.panel__head h2 { margin: 0; font-size: 1.25rem; }
.panel__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  min-width: 9.5rem;
}
.updated-chip {
  margin: 0;
  color: var(--ink);
  background: var(--live-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.panel__hint, .panel__status, .panel__foot {
  color: var(--muted);
  font-size: 0.9rem;
}
.panel__hint { margin: 0.25rem 0 0; }

.btn, .trade {
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid var(--live);
  background: var(--live);
  color: #fff;
  padding: 0.4rem 0.95rem;
}
.btn--ghost, .trade--sell {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.trade--buy { background: var(--up); border-color: var(--up); }
.trade:disabled { opacity: 0.45; cursor: not-allowed; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
}
.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem;
  background: var(--paper);
  min-height: 11rem;
}
.card.is-up { box-shadow: inset 3px 0 0 var(--up); }
.card.is-down { box-shadow: inset 3px 0 0 var(--down); }
.card.is-gap { box-shadow: inset 3px 0 0 var(--gap); }
.card__top {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: baseline;
}
.card__top strong { font-size: 1.05rem; }
.price { font-variant-numeric: tabular-nums; font-size: 1.35rem; font-weight: 700; margin: 0.35rem 0; }
.chg { font-size: 0.88rem; }
.chg.is-up { color: var(--up); }
.chg.is-down { color: var(--down); }
.gap-mark {
  display: inline-block;
  background: var(--gap-soft);
  color: var(--gap);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.8rem;
}
.card p { margin: 0.35rem 0 0.7rem; color: var(--muted); font-size: 0.88rem; }
.trades { display: flex; gap: 0.45rem; flex-wrap: wrap; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-bottom: 1rem;
}
.stat {
  background: var(--paper);
  border-radius: 14px;
  padding: 0.7rem 0.8rem;
}
.stat span { display: block; color: var(--muted); font-size: 0.8rem; }
.stat strong { font-variant-numeric: tabular-nums; font-size: 1.15rem; }
.stat .is-up { color: var(--up); }
.stat .is-down { color: var(--down); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.split h3 { margin: 0 0 0.4rem; font-size: 0.95rem; }
.split ul { list-style: none; margin: 0; padding: 0; }
.split li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.dim { color: var(--muted); }
.toast { min-height: 1.3em; color: var(--live); font-size: 0.88rem; }

.foot {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.foot a { color: var(--ink); }

.empty {
  grid-column: 1 / -1;
  padding: 1.2rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 14px;
}

@media (max-width: 720px) {
  .top { flex-wrap: wrap; }
  .split, .stats { grid-template-columns: 1fr; }
  .panel__head { flex-direction: column; }
  .panel__actions { align-items: stretch; min-width: 0; }
  .updated-chip { text-align: center; }
}