:root {
  --bg: #f4efe4;
  --ink: #1a1712;
  --muted: #5e574c;
  --gold: #b39359;
  --gold-deep: #8a6f3f;
  --paper: #fffdf8;
  --line: rgba(26, 23, 18, 0.1);
  --shadow: 0 18px 40px rgba(26, 23, 18, 0.06);
  --font: "IBM Plex Sans Arabic", sans-serif;
  --display: "Noto Naskh Arabic", serif;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #10141c;
  --ink: #f3eee4;
  --muted: #a3abb8;
  --gold: #c4a46a;
  --gold-deep: #d8c08a;
  --paper: #181e2a;
  --line: rgba(243, 238, 228, 0.1);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(179, 147, 89, 0.16), transparent 50%),
    var(--bg);
  color: var(--ink);
  line-height: 1.75;
}

.sr-only, .skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.skip-link:focus {
  width: auto;
  height: auto;
  clip: auto;
  inset: 1rem 1rem auto auto;
  z-index: 20;
  padding: 0.6rem 0.9rem;
  background: var(--gold);
  color: #1a140c;
  text-decoration: none;
}

.desk {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
}

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 0;
  min-height: 0;
}
@media (max-width: 860px) {
  .stage { grid-template-columns: 1fr; }
}

.ledger {
  border-right: 1px solid var(--line);
  padding: 1.2rem 1rem 1.4rem;
  color: var(--muted);
}
.ledger__kicker {
  margin: 0 0 0.6rem;
  color: var(--gold-deep);
  font-size: 0.78rem;
}
.ledger__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  font-size: 0.82rem;
}
.ledger__list li time {
  display: block;
  font-size: 0.72rem;
  opacity: 0.75;
}
.gate__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.mast {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.4rem 0.8rem;
  border-bottom: 1px solid var(--line);
}
.mast__brand { display: flex; gap: 0.8rem; align-items: center; }
.mark { width: 42px; height: 42px; color: var(--gold); }
.mast__ar {
  margin: 0;
  font-family: var(--display);
  font-size: 1.45rem;
  line-height: 1.2;
}
.mast__url {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  direction: ltr;
  unicode-bidi: isolate;
}
.mast__tools { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.seal {
  margin: 0;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
}

.ghost, .solid, .attach span {
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
}
.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.35rem 0.8rem;
}
.solid {
  background: var(--ink);
  color: var(--paper);
  border: 0;
  padding: 0.45rem 1.1rem;
  font-weight: 600;
}
html[data-theme="dark"] .solid { background: var(--gold); color: #14110c; }
.attach span {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  border: 1px dashed var(--gold);
  color: var(--gold-deep);
}

.sheet {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.4rem 0 2rem;
}
.thread { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.15rem; }

.welcome {
  padding: 2.4rem 0 1rem;
}
.welcome h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 3.1rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.7rem;
}
.welcome p { margin: 0; color: var(--muted); max-width: 28rem; }

.say {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1rem 1.15rem 0.95rem;
}
.say--user {
  border-right: 3px solid var(--gold);
  margin-inline-start: 12%;
}
.say--agent { margin-inline-end: 8%; }
.say__who {
  margin: 0 0 0.35rem;
  color: var(--gold-deep);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.say__body { margin: 0; white-space: pre-wrap; }
.say__body a { color: var(--gold-deep); }

.work {
  margin: 0.8rem 0 0;
  padding: 0.7rem 0.8rem;
  border-top: 1px dashed var(--line);
}
.work summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.86rem;
}
.work ol {
  margin: 0.45rem 0 0;
  padding: 0 1.1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.work li[data-status="error"] { color: #8a3b2a; }
.work li[data-status="gate"] { color: var(--gold-deep); }

.slice {
  margin-top: 0.7rem;
  border: 1px solid rgba(179, 147, 89, 0.45);
  background: var(--bg);
  overflow: hidden;
}
.slice img, .slice svg { display: block; width: 100%; height: auto; }
.slice figcaption {
  padding: 0.35rem 0.7rem 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  direction: ltr;
  unicode-bidi: isolate;
}

.gate {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto 0.8rem;
  padding: 1rem 1.15rem;
  border-right: 3px solid var(--gold);
  background: var(--paper);
}
.gate__kicker { margin: 0; color: var(--gold-deep); font-size: 0.8rem; }
.gate__body { margin: 0.3rem 0 0.8rem; }

.tray {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto 1.1rem;
}
.composer {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem 0.65rem;
  box-shadow: var(--shadow);
}
.composer textarea {
  width: 100%;
  border: 0;
  resize: none;
  background: transparent;
  color: inherit;
  font: inherit;
  min-height: 3.2rem;
  outline: none;
}
.composer__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}
.chips { margin: 0; color: var(--muted); font-size: 0.82rem; }
.foot {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}
.foot a { color: var(--gold-deep); }

.busy .solid { opacity: 0.55; pointer-events: none; }

@media (max-width: 640px) {
  .say--user, .say--agent { margin-inline: 0; }
  .mast__tools { width: 100%; }
  .seal { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}