:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f3f6;
  --text: #1c2430;
  --muted: #5b6776;
  --border: #d9dfe6;
  --accent: #0f6b5c;
  --accent-ink: #ffffff;
  --accent-soft: #e3f2ef;
  --warn: #8a5a00;
  --warn-soft: #fff4dc;
  --danger: #b3261e;
  --danger-soft: #fdecea;
  --ok: #1d6b35;
  --ok-soft: #e6f4ea;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161b; --surface: #1a2027; --surface-2: #222a33; --text: #e7ecf1; --muted: #9aa7b5; --border: #313b46;
    --accent: #4fc2ad; --accent-ink: #0b1a17; --accent-soft: #173530; --warn: #f0c267; --warn-soft: #3a2f16;
    --danger: #ff8a80; --danger-soft: #3b1c1a; --ok: #7fd49a; --ok-soft: #173222; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12161b; --surface: #1a2027; --surface-2: #222a33; --text: #e7ecf1; --muted: #9aa7b5; --border: #313b46;
  --accent: #4fc2ad; --accent-ink: #0b1a17; --accent-soft: #173530; --warn: #f0c267; --warn-soft: #3a2f16;
  --danger: #ff8a80; --danger-soft: #3b1c1a; --ok: #7fd49a; --ok-soft: #173222; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", "Noto Sans Arabic", "Noto Kufi Arabic", Tahoma, Arial, sans-serif;
  font-size: 16px; line-height: 1.7;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 14px 0; margin-bottom: 20px; }
.site-header .school { margin: 0; color: var(--muted); font-size: .9rem; }
.site-header h1 { margin: 0; font-size: 1.25rem; }
main { padding-bottom: 48px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 14px; }
.card h2 { margin: 0 0 8px; font-size: 1.1rem; }
.card h3 { margin: 0 0 6px; font-size: 1rem; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }

label { display: block; font-weight: 600; margin: 10px 0 4px; }
input[type="text"], input[type="number"], select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; min-height: 44px;
}
input[type="number"] { max-width: 180px; }
input.ltr, .ltr { direction: ltr; text-align: right; }
textarea { min-height: 70px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
input:disabled, select:disabled, textarea:disabled { background: var(--surface-2); color: var(--muted); }

button {
  font: inherit; font-weight: 600; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink); padding: 9px 18px; min-height: 44px; cursor: pointer;
}
button.secondary { background: transparent; color: var(--accent); }
button.link { border: none; background: none; color: var(--accent); padding: 4px 6px; min-height: 0; text-decoration: underline; }
button:disabled { opacity: .55; cursor: not-allowed; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

.notice { border-radius: 8px; padding: 10px 14px; margin: 10px 0; border: 1px solid transparent; }
.notice.info { background: var(--accent-soft); }
.notice.warn { background: var(--warn-soft); color: var(--text); border-color: var(--warn); }
.notice.error { background: var(--danger-soft); color: var(--text); border-color: var(--danger); }
.notice.ok { background: var(--ok-soft); border-color: var(--ok); }
.field-error { color: var(--danger); font-size: .9rem; margin-top: 4px; }
.has-error input:not(:disabled), .has-error select:not(:disabled), .has-error textarea:not(:disabled) { border-color: var(--danger); }

.teacher-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.teacher-bar .who strong { font-size: 1.05rem; }
.periods { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; margin-top: 12px; padding: 0; list-style: none; }
.periods li { border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; background: var(--surface-2); font-size: .9rem; }
.periods li.current { border-color: var(--accent); background: var(--accent-soft); }
.periods .name { display: block; font-weight: 600; }
.badge { display: inline-block; font-size: .78rem; padding: 1px 8px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); }
.badge.ok { background: var(--ok-soft); border-color: var(--ok); }
.badge.late { background: var(--warn-soft); border-color: var(--warn); }
.badge.draft { background: var(--accent-soft); border-color: var(--accent); }

.section-title { margin: 22px 0 8px; font-size: 1.05rem; color: var(--accent); }
.category .row { display: flex; flex-wrap: wrap; gap: 16px; }
.category .row > div { flex: 1 1 200px; }
.details { border-top: 1px dashed var(--border); margin-top: 12px; padding-top: 4px; }
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 4px 12px; }
.checks label { font-weight: 400; display: flex; gap: 8px; align-items: center; margin: 4px 0; }
.checks input { width: 20px; height: 20px; }
.others-wrap { margin-top: 8px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); }
.other-row { display: flex; gap: 8px; align-items: center; margin: 6px 0; }
.other-row input { flex: 1 1 auto; }
button.small-btn { min-height: 36px; padding: 5px 12px; font-size: .9rem; margin-top: 4px; }
.suggestion { font-size: 1.05rem; }
.suggestion strong { font-size: 1.25rem; }
.sticky-actions { position: sticky; bottom: 0; background: var(--bg); padding: 10px 0; border-top: 1px solid var(--border); }

@media (max-width: 520px) {
  .card { padding: 14px; }
  input[type="number"] { max-width: none; }
  .actions button { flex: 1 1 auto; }
}