:root {
  --bg: #f4f5f7; --card: #fff; --ink: #0f172a; --muted: #64748b; --line: #e5e7eb;
  --accent: #0f172a; --open: #b45309; --open-bg: #fef3c7; --urgent: #b91c1c; --urgent-bg: #fee2e2;
  --done: #047857; --done-bg: #d1fae5; --live: #1d4ed8; --live-bg: #dbeafe;
  --safe-b: env(safe-area-inset-bottom, 0px); --safe-t: env(safe-area-inset-top, 0px);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b1120; --card: #131b2e; --ink: #e5e7eb; --muted: #94a3b8; --line: #1f2a44; --accent: #e5e7eb;
    --open-bg: #3b2a0a; --open: #fbbf24; --urgent-bg: #3f1111; --urgent: #f87171; --done-bg: #062e22; --done: #34d399; --live-bg: #0f2350; --live: #93c5fd; }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif; }
a { color: inherit; text-decoration: none; }
.muted { color: var(--muted); } .sm { font-size: 13px; }
.error { color: var(--urgent); min-height: 1em; margin: 8px 0 0; } .ok { color: var(--done); margin: 8px 0 0; }

.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px);
  padding: calc(var(--safe-t) + 14px) 18px 8px; }
.top h1 { margin: 0; font-size: 30px; letter-spacing: -0.02em; }
main { padding: 4px 16px calc(96px + var(--safe-b)); max-width: 720px; margin: 0 auto; }

.tabs { position: fixed; bottom: 0; left: 0; right: 0; display: flex; background: var(--card); border-top: 1px solid var(--line);
  padding: 6px 0 calc(6px + var(--safe-b)); z-index: 10; }
.tabs a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 11px; color: var(--muted); position: relative; padding: 4px 0; }
.tabs a.on { color: var(--accent); font-weight: 600; }
.tabs .ico { font-size: 18px; line-height: 1; }
.tabs .count { position: absolute; top: 0; left: calc(50% + 8px); background: var(--urgent); color: #fff; font-size: 11px; border-radius: 10px; padding: 0 6px; min-width: 18px; text-align: center; }

.chips { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 12px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 7px 13px; font: inherit; font-size: 14px; display: flex; align-items: center; gap: 6px; }
.chip i, .biz i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); display: inline-block; }
.chip.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip b { font-size: 12px; background: var(--urgent); color: #fff; border-radius: 9px; padding: 0 6px; }

.banner { display: block; background: var(--live-bg); color: var(--live); padding: 11px 14px; border-radius: 12px; margin: 4px 0 10px; font-weight: 600; font-size: 15px; }

.list { display: flex; flex-direction: column; gap: 10px; }
.card { display: block; background: var(--card); border-radius: 16px; padding: 14px 16px; border-left: 4px solid var(--c); box-shadow: 0 1px 2px rgba(0,0,0,.05); }
.card:active { transform: scale(.99); }
.row { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.biz { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
.who { font-size: 18px; font-weight: 650; margin-top: 4px; }
.reason { color: var(--ink); opacity: .85; margin: 2px 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.badge { font-size: 12.5px; font-weight: 600; padding: 3px 9px; border-radius: 8px; }
.badge.open { background: var(--open-bg); color: var(--open); }
.badge.urgent { background: var(--urgent-bg); color: var(--urgent); }
.badge.done { background: var(--done-bg); color: var(--done); }
.badge.live { background: var(--live-bg); color: var(--live); }
.badge.quiet { background: var(--bg); color: var(--muted); }

.empty { text-align: center; padding: 48px 20px; }
.empty .big { font-size: 42px; color: var(--done); }

.back { display: inline-block; color: var(--live); font-size: 17px; margin: 0 0 10px; }
.detail, .panel { background: var(--card); border-radius: 18px; padding: 18px; box-shadow: 0 1px 2px rgba(0,0,0,.05); margin-bottom: 12px; }
.detail { border-top: 4px solid var(--c); }
.detail h2 { margin: 12px 0 0; font-size: 26px; letter-spacing: -0.01em; }
.detail h3, .panel h3 { margin: 22px 0 6px; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.panel h3 { margin-top: 0; }
.lead { font-size: 17px; margin: 10px 0 14px; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 16px 0 0; font-size: 15px; }
dt { color: var(--muted); } dd { margin: 0; text-transform: none; }
pre { white-space: pre-wrap; font: 14px/1.5 ui-monospace, Menlo, monospace; background: var(--bg); padding: 12px; border-radius: 10px; max-height: 50vh; overflow: auto; }
details summary { margin-top: 18px; color: var(--live); cursor: pointer; }
audio { width: 100%; }
textarea, input { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.actions .btn { flex: 1; }

.btn { display: inline-flex; justify-content: center; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font: inherit; font-weight: 600; padding: 12px 16px; border-radius: 12px; cursor: pointer; }
.btn.primary { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.big { width: 100%; padding: 15px; font-size: 17px; margin-top: 4px; }
.steps ol { padding-left: 20px; } .steps li { margin: 6px 0; }
.bizrow { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); }
.bizrow:last-of-type { border-bottom: 0; }

.login { max-width: 360px; margin: 0 auto; padding: calc(var(--safe-t) + 80px) 24px 40px; text-align: center; }
.login-logo { width: 72px; height: 72px; border-radius: 18px; }
.login h1 { font-size: 26px; margin: 16px 0 4px; }
.login form { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.login h1 { font-size: 44px; font-weight: 800; letter-spacing: 0.18em; margin: 18px 0 2px; padding-left: 0.18em; }
.tagline { margin: 0; color: var(--muted); font-size: 15px; letter-spacing: 0.02em; }
.brandfoot { text-align: center; color: var(--muted); font-size: 12px; letter-spacing: .08em; margin: 18px 0 0; }

/* ARX brand: matte midnight navy, white type, champagne gold accent (always dark) */
:root {
  color-scheme: dark;
  --bg: #090d1a; --card: #111829; --ink: #f7f5f0; --muted: #8b93a7; --line: #1d2640;
  --accent: #d6ba84; --gold: #d6ba84;
  --open-bg: rgba(214,186,132,.14); --open: #e3c992;
  --urgent-bg: rgba(248,113,113,.14); --urgent: #f87171;
  --done-bg: rgba(52,211,153,.12); --done: #34d399;
  --live-bg: rgba(96,165,250,.14); --live: #93c5fd;
}
.btn.primary { color: #0b0f1a; }
.chip.on { background: var(--gold); color: #0b0f1a; border-color: var(--gold); }
.tabs a.on { color: var(--gold); }
.top h1 { font-weight: 700; }
.card, .detail, .panel { box-shadow: none; border: 1px solid var(--line); }
.card { border-left: 3px solid var(--c); }
.detail { border-top: 3px solid var(--c); }
.banner { border: 1px solid rgba(214,186,132,.35); background: rgba(214,186,132,.08); color: var(--gold); }
.login h1 { color: #f7f5f0; font-weight: 600; letter-spacing: .32em; padding-left: .32em; font-size: 40px; }
.login-logo { width: 88px; height: 88px; border-radius: 22px; box-shadow: 0 10px 40px rgba(214,186,132,.12); }
.tagline { color: var(--gold); opacity: .85; }