/* ============================================================
   Table / grid-fill exercise engine — palm-leaf theme
   Tokens lifted from public/lila/sort/engine.css
   ============================================================ */

.tablex {
  --ground: #f3ecdb;
  --panel: #faf5e8;
  --ink: #2a2118;
  --ink-soft: #6b5d47;
  --line: #d9cba8;
  --accent: #a8451f;
  --good: #3f7d3f;
  --bad: #b23b2e;
  --shadow: 0 1px 2px rgba(60,45,20,.12), 0 6px 18px rgba(60,45,20,.10);
  --radius: 10px;
  --serif: "Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans: "Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --deva: "Noto Sans Devanagari","Nirmala UI","Kohinoor Devanagari","Mangal",var(--serif);

  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  .tablex {
    --ground:#1c1712; --panel:#26201a; --ink:#efe6d4; --ink-soft:#b3a488;
    --line:#423628; --accent:#e07a4e; --good:#7cc17c; --bad:#e0796c;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 22px rgba(0,0,0,.35);
  }
}
:root[data-theme="light"] .tablex {
  --ground:#f3ecdb; --panel:#faf5e8; --ink:#2a2118; --ink-soft:#6b5d47;
  --line:#d9cba8; --accent:#a8451f; --good:#3f7d3f; --bad:#b23b2e;
}
:root[data-theme="dark"] .tablex {
  --ground:#1c1712; --panel:#26201a; --ink:#efe6d4; --ink-soft:#b3a488;
  --line:#423628; --accent:#e07a4e; --good:#7cc17c; --bad:#e0796c;
}

.tablex * { box-sizing: border-box; }
.tablex .task { font-size: 16px; color: var(--ink-soft); margin: 0 0 18px; max-width: 62ch; }
.tablex .toolbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 16px;
}
.tablex button {
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  padding: 9px 16px; border-radius: 999px; cursor: pointer;
  box-shadow: var(--shadow); transition: transform .08s ease, border-color .15s ease;
}
.tablex button:hover { border-color: var(--accent); }
.tablex button:active { transform: translateY(1px); }
.tablex button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tablex button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.tablex button.ghost { background: transparent; box-shadow: none; }
.tablex .spacer { flex: 1 1 auto; }
.tablex .score {
  font-variant-numeric: tabular-nums; font-weight: 600; font-size: 14px;
  color: var(--ink-soft); white-space: nowrap;
}

.tablex .pool {
  display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px;
  min-height: 48px; padding: 12px; background: var(--panel);
  border: 1px dashed var(--line); border-radius: var(--radius);
}
.tablex .card {
  font-family: var(--deva); font-size: 18px; font-weight: 600;
  padding: 8px 12px; border-radius: 8px; border: 1.5px solid var(--line);
  background: var(--ground); color: var(--ink); cursor: grab;
  box-shadow: var(--shadow); user-select: none;
}
.tablex .card.selected, .tablex .card.dragging {
  border-color: var(--accent); outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
}
.tablex .card.placed { cursor: pointer; margin: 0; box-shadow: none; width: 100%; }

.tablex .board-wrap { overflow-x: auto; }
.tablex table.grid {
  width: 100%; border-collapse: separate; border-spacing: 6px;
  background: transparent;
}
.tablex table.grid td {
  background: var(--panel); border: 1.5px solid var(--line); border-radius: 8px;
  padding: 10px 12px; min-width: 88px; min-height: 48px; vertical-align: middle;
  text-align: center;
}
.tablex table.grid td.fixed {
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  font-weight: 700; border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}
.tablex table.grid td.fixed .fixed-text {
  font-family: var(--deva); font-size: 17px;
}
.tablex table.grid td.head-row .fixed-text { font-family: var(--sans); font-size: 14px; }
.tablex table.grid td.empty {
  background: var(--ground); border-style: dashed; min-height: 52px;
}
.tablex table.grid td.target {
  border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--ground));
}
.tablex table.grid td.drag-over {
  border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent);
}
.tablex table.grid td.correct { border-color: var(--good); background: color-mix(in srgb, var(--good) 12%, var(--panel)); }
.tablex table.grid td.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--panel)); }

.tablex .feedback {
  display: none; margin-top: 18px; padding: 14px 18px; border-radius: var(--radius);
  background: color-mix(in srgb, var(--good) 14%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--good) 40%, var(--line));
  font-weight: 600; color: var(--ink); align-items: center; gap: 10px;
}
.tablex .feedback.show { display: flex; }
.tablex .feedback .om { font-size: 20px; }

@media (prefers-reduced-motion: reduce) {
  .tablex button, .tablex .card { transition: none; }
}