/* Clinic booking — single stylesheet, RTL-first (logical properties only).
   No webfonts, no images, no external requests. Dark neutral palette, AA. */

/* Dark is the brand default; the toggle in the header sets data-theme.
   With no stored choice we follow prefers-color-scheme, so a patient whose
   phone is in light mode is not dropped into a black page. */
:root {
  color-scheme: dark;
  --bg: #101418;
  --panel: #181d23;
  --panel-2: #1f262e;
  --line: #323a45;
  --fg: #e9eef4;
  --muted: #a9b4c1;
  --accent: #6fdcc0;
  --accent-ink: #06231b;
  --danger: #ff9d9d;
  --danger-bg: #2a1719;
  --ok: #8ce5a9;
  --radius: 12px;
  --tap: 44px;
}


:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f9fb;
  --panel: #ffffff;
  --panel-2: #eef2f6;
  --line: #ccd5df;
  --fg: #131a21;
  --muted: #56636f;
  --accent: #0f7f6a;
  --accent-ink: #ffffff;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --ok: #1b6b3a;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #f7f9fb;
    --panel: #ffffff;
    --panel-2: #eef2f6;
    --line: #ccd5df;
    --fg: #131a21;
    --muted: #56636f;
    --accent: #0f7f6a;
    --accent-ink: #ffffff;
    --danger: #b3261e;
    --danger-bg: #fdecea;
    --ok: #1b6b3a;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", "Noto Sans Arabic", Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

[hidden] { display: none !important; }

.bar-actions { display: flex; gap: 8px; align-items: center; }

.wrap {
  max-inline-size: 640px;
  margin-inline: auto;
  padding-inline: 16px;
  padding-block-end: 40px;
}

body.admin .wrap { max-inline-size: 1000px; }

.bar {
  position: sticky;
  inset-block-start: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 12px;
  background: var(--bg);
  border-block-end: 1px solid var(--line);
}

.brand { color: var(--muted); font-size: 13px; }

h1 { font-size: 22px; margin: 2px 0 0; line-height: 1.3; }
h2 { font-size: 19px; margin: 0 0 12px; }
h3 { font-size: 16px; margin: 20px 0 8px; color: var(--muted); font-weight: 600; }

p { margin: 0 0 12px; }

a { color: var(--accent); text-underline-offset: 3px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-block-size: var(--tap);
  min-inline-size: var(--tap);
  padding-inline: 18px;
  padding-block: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  color: var(--fg);
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn:hover { border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.btn--ghost { background: transparent; }
.btn--sm { min-block-size: var(--tap); min-inline-size: var(--tap); padding-inline: 12px; font-size: 14px; }
.btn--danger { border-color: var(--danger); color: var(--danger); background: transparent; }

.btn:focus-visible, .chip:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 8px; }
.actions .btn--primary { flex: 1 1 160px; }

.step { padding-block: 16px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-block-end: 14px;
}

.chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-block-size: 64px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--fg);
  font: inherit;
  text-align: start;
  cursor: pointer;
}

.chip:hover { border-color: var(--muted); }
.chip[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.chip[disabled] { opacity: .5; cursor: not-allowed; }
.chip .t { font-weight: 600; }
.chip .s { color: var(--muted); font-size: 13px; }
.chip--time { align-items: center; min-block-size: 56px; font-variant-numeric: tabular-nums; }

.field { margin-block-end: 14px; }
.field label { display: block; margin-block-end: 6px; font-size: 14px; color: var(--muted); }

input[type="text"], input[type="tel"], input[type="number"], input[type="date"],
input[type="time"], input[type="password"], input[type="file"], select, textarea {
  inline-size: 100%;
  min-block-size: var(--tap);
  padding-inline: 12px;
  padding-block: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--fg);
  font: inherit;
}

input[dir="ltr"] { text-align: end; }

.radio-row { display: flex; gap: 10px; flex-wrap: wrap; }

.plain-fieldset { border: 0; padding: 0; margin: 0 0 14px; }

.radio-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-block-size: var(--tap);
  padding-inline: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--fg);
  cursor: pointer;
}
.radio-row input:checked + span { color: var(--accent); font-weight: 700; }

.banner {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  padding: 12px 14px;
  margin-block-end: 14px;
  font-size: 15px;
}

.banner--error { border-color: var(--danger); background: var(--danger-bg); color: var(--danger); }
.banner--ok { border-color: var(--ok); color: var(--ok); }
.banner .btn { margin-block-start: 8px; }

.timer { font-variant-numeric: tabular-nums; }
.clock { direction: ltr; unicode-bidi: isolate; }

dl.summary { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 0 0 14px; }
dl.summary dt { color: var(--muted); font-size: 14px; }
dl.summary dd { margin: 0; }

.code {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .14em;
  direction: ltr;
  unicode-bidi: isolate;
  font-variant-numeric: tabular-nums;
}

.link-list { display: grid; gap: 10px; }
.link-list .btn { justify-content: space-between; }

.sub { color: var(--muted); font-size: 14px; }

pre { overflow: auto; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px; margin: 10px 0 0; max-block-size: 260px; }

ul { padding-inline-start: 20px; margin: 6px 0 0; }
.small { font-size: 13px; color: var(--muted); }
.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- admin ---------- */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 12px;
  border-block-end: 1px solid var(--line);
  margin-block-end: 16px;
}

.tab {
  min-block-size: var(--tap);
  padding-inline: 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.tab[aria-selected="true"] { border-color: var(--accent); color: var(--accent); font-weight: 700; }

.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-inline-size: 300px; }
.keypad .btn { min-block-size: 58px; font-size: 20px; font-variant-numeric: tabular-nums; }

.pin-display {
  min-block-size: var(--tap);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 24px;
  letter-spacing: .4em;
  direction: ltr;
  unicode-bidi: isolate;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  margin-block-end: 12px;
  min-inline-size: 160px;
}

.scroller { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { border-collapse: collapse; inline-size: 100%; font-size: 14px; }
th, td { text-align: start; padding: 8px 10px; border-block-end: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
td.nums { font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: isolate; }

.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.row > * { flex: 0 1 auto; }
.grow { flex: 1 1 160px; }

.status { font-size: 13px; color: var(--muted); }
.status--confirmed { color: var(--ok); }

.stack > * + * { margin-block-start: 10px; }

@media (max-width: 420px) {
  .chips { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  h1 { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .btn:active { transform: none; }
}

@media print {
  .bar, .tabs, .actions { display: none !important; }
}