/* Arabic study site — light/dark, RTL-aware, two-tone highlighting. */
@font-face {
  font-family: 'Scheherazade';
  src: url('/fonts/ScheherazadeNew-LA.ttf') format('truetype');
  font-display: swap;
}

:root {
  --bg: #faf6ee;
  --card: #ffffff;
  --ink: #2b2b2b;
  --muted: #7a7367;
  --border: #e6ddcb;
  --brown: #5b4636;
  --gold: #c9983a;
  --teal: #2bb5a0;   /* prefix · who */
  --amber: #e0973a;  /* ending / suffix */
  --accent: #0f7a6b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17140f; --card: #221d16; --ink: #ece3d2; --muted: #a89e8b;
    --border: #352c20; --brown: #d9c3a5; --gold: #d7a94a; --accent: #46c9b5;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font-family: 'Lora', Georgia, 'Times New Roman', serif;
  line-height: 1.5; -webkit-text-size-adjust: 100%;
}
.ar { font-family: 'Scheherazade', serif; direction: rtl; }

.site-header {
  padding: 20px 16px 0; max-width: 900px; margin: 0 auto;
}
.site-header h1 { margin: 0; color: var(--brown); font-size: 1.7rem; }
.tagline { margin: 4px 0 14px; color: var(--muted); font-size: .95rem; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.tab {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  padding: 10px 12px; font: inherit; font-weight: 600; cursor: pointer;
  border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.tab.active { color: var(--brown); border-bottom-color: var(--gold); }

main { max-width: 900px; margin: 0 auto; padding: 16px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 14px; margin-bottom: 12px;
}
.intro { color: var(--ink); }
.muted { color: var(--muted); font-size: .9rem; }

/* Chips (verb/noun selectors, category filters) */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip {
  border: 1px solid var(--border); background: var(--card); color: var(--ink);
  border-radius: 999px; padding: 6px 12px; cursor: pointer; font: inherit; font-size: .95rem;
}
.chip .ar { font-size: 1.05rem; }
.chip.sel { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Search */
.search {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--card); color: var(--ink); font: inherit;
}

/* Header for a selected verb/noun */
.pick-head { text-align: center; margin: 10px 0; }
.pick-head .word { font-size: 2.6rem; }
.pick-head .gloss { font-size: 1.05rem; }
.pick-head .note { color: var(--muted); font-size: .9rem; }

/* Legend */
.legend { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin: 8px 0; }
.legend span { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--muted); }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.teal { background: var(--teal); } .dot.amber { background: var(--amber); }
.dot.root { background: var(--ink); }

/* Tables */
.grouplabel { color: var(--accent); font-size: .72rem; letter-spacing: .5px; font-weight: 700;
  text-transform: uppercase; margin: 12px 0 2px; }
.trow { display: flex; align-items: center; gap: 8px; padding: 6px 2px; border-bottom: 1px solid var(--border); }
.trow .who { flex: 4; }
.trow .who .en { font-size: .95rem; }
.trow .who .ar { font-size: 1.05rem; color: var(--muted); }
.trow .form { flex: 3; text-align: center; font-family: 'Scheherazade', serif; font-size: 1.5rem; direction: rtl; }
.thead { display: flex; color: var(--muted); font-size: .8rem; padding: 4px 2px; }
.thead .spacer { flex: 4; } .thead .col { flex: 3; text-align: center; }
.thead .col .ar { font-size: 1.05rem; color: var(--ink); }
.pfx { color: var(--teal); } .sfx { color: var(--amber); }

/* Flashcards */
.fc-wrap { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.flashcard {
  width: 100%; max-width: 460px; min-height: 220px; border-radius: 18px;
  background: var(--card); border: 1px solid var(--border); cursor: pointer;
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 24px; user-select: none;
}
.flashcard .front { font-family: 'Scheherazade', serif; font-size: 3rem; direction: rtl; }
.flashcard .back .en { font-size: 1.6rem; }
.flashcard .back .tr { color: var(--muted); font-style: italic; margin-top: 6px; }
.flashcard .back .cat { color: var(--accent); font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; margin-top: 8px; }
.fc-controls { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.btn {
  border: 1px solid var(--border); background: var(--card); color: var(--ink);
  border-radius: 10px; padding: 9px 14px; cursor: pointer; font: inherit;
}
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.fc-count { color: var(--muted); font-size: .85rem; }

/* Vocab list */
.vocab-cat { margin-top: 16px; }
.vocab-cat h3 { color: var(--brown); font-size: 1rem; margin: 0 0 6px; text-transform: capitalize; }
.vrow { display: flex; align-items: baseline; gap: 10px; padding: 7px 2px; border-bottom: 1px solid var(--border); }
.vrow .ar { flex: 0 0 40%; font-size: 1.5rem; }
.vrow .en { flex: 1; }
.vrow .tr { color: var(--muted); font-style: italic; font-size: .9rem; }

.tips h2 { color: var(--brown); font-size: 1.2rem; margin: 22px 0 8px; }
.tip { }
.tip .t { font-weight: 700; margin-bottom: 4px; }
.tip .b { direction: rtl; text-align: right; }

.site-footer { max-width: 900px; margin: 0 auto; padding: 18px 16px 40px; color: var(--muted); font-size: .8rem; }
.error { color: #c0392b; }

/* Flashcard mode toggle + custom deck */
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-bottom: 12px; }
.seg button { border: 0; background: var(--card); color: var(--muted); padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer; }
.seg button.on { background: var(--accent); color: #fff; }
.custom-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }

/* Word chooser modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: flex; align-items: flex-end; justify-content: center; z-index: 50; }
@media (min-width: 640px) { .modal { align-items: center; } }
.modal-card {
  background: var(--card); width: 100%; max-width: 560px; max-height: 85vh;
  display: flex; flex-direction: column; padding: 14px; border: 1px solid var(--border);
  border-radius: 16px 16px 0 0;
}
@media (min-width: 640px) { .modal-card { border-radius: 16px; } }
.modal-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.modal-list { overflow-y: auto; margin-top: 10px; }
.ch-cat { margin-bottom: 6px; }
.ch-catrow { display: flex; align-items: center; gap: 8px; padding: 8px 2px; border-bottom: 1px solid var(--border); text-transform: capitalize; cursor: pointer; }
.ch-row { display: flex; align-items: center; gap: 10px; padding: 6px 2px 6px 24px; cursor: pointer; }
.ch-row .ar { font-family: 'Scheherazade', serif; font-size: 1.3rem; direction: rtl; flex: 0 0 42%; }
.ch-row .en { flex: 1; }
.ch-row input, .ch-catrow input { width: 18px; height: 18px; flex: 0 0 auto; }