:root {
  --bg: #f7f5f0;
  --card: #ffffff;
  --ink: #1a1a1a;
  --muted: #5f5b55;
  --line: #e4e0d8;
  --accent: #1a1a1a;
  --accent-ink: #ffffff;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --card: #1d1d1d;
    --ink: #eeeae3;
    --muted: #a7a19a;
    --line: #2e2e2e;
    --accent: #eeeae3;
    --accent-ink: #141414;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--font);
}
main, .top, .foot { max-width: 560px; margin: 0 auto; padding: 0 16px; }

.top { display: flex; align-items: baseline; gap: 10px; padding-top: 20px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font: 600 1.25rem var(--serif); color: var(--ink); text-decoration: none; letter-spacing: .01em; }
.brand img { border-radius: 7px; }
.ar { font-family: "Amiri", "Noto Naskh Arabic", "Traditional Arabic", "Geeza Pro", serif; font-weight: 400; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.tag { color: var(--muted); font-size: .9rem; }

.intro h1 { font: 600 1.75rem/1.2 var(--serif); margin: 28px 0 8px; }
.intro p { color: var(--muted); margin: 0 0 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
fieldset { border: 0; padding: 0; margin: 0 0 18px; }
fieldset:last-child { margin-bottom: 0; }
legend { font-weight: 600; margin-bottom: 8px; padding: 0; }

.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choices label {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 12px; cursor: pointer; user-select: none;
  min-height: 44px;
}
.choices label:has(input:checked) { border-color: var(--ink); background: color-mix(in srgb, var(--ink) 7%, transparent); }
.choices input { accent-color: var(--ink); margin: 0; }

.inline { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 10px 0; }
.inline span { flex: 1; }
input[type="number"], input[type="date"] {
  font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 10px; min-height: 44px;
}
input[type="number"] { width: 90px; text-align: right; }

.hint { color: var(--muted); font-size: .9rem; margin: 6px 0 10px; }
.note { border-left: 3px solid var(--ink); padding-left: 10px; margin: 12px 0; }

.result .lead { margin: 0 0 4px; color: var(--muted); }
.result .big { font: 600 2.4rem/1.1 var(--serif); margin: 4px 0 14px; }
.result .big strong { font-weight: 700; }
.result h2 { font: 600 1.4rem var(--serif); margin: 0 0 6px; }
.slots-out { list-style: none; margin: 0 0 12px; padding: 0; }
.slots-out li { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--line); }
.slots-out li:last-child { border-bottom: 0; }

.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: var(--accent-ink);
  border: 0; border-radius: 999px; padding: 12px 18px; min-height: 44px;
}

.quiet blockquote { margin: 0 0 10px; }
.quiet blockquote p { font: 1.1rem/1.5 var(--serif); margin: 0 0 4px; }
.quiet cite { color: var(--muted); font-style: normal; font-size: .9rem; }
.quiet a { color: inherit; }

.foot { color: var(--muted); font-size: .85rem; padding-bottom: 40px; }
.foot p { margin: 4px 0; }