:root {
  --bg: #f4f2ee;
  --card: #ffffff;
  --text: #222;
  --muted: #6b6b6b;
  --border: #ddd8cf;
  --accent: #2f6f4f;
  --accent-text: #fff;
  --ok: #3c9a5f;
  --corrected: #4a8fd8;
  --check: #e6a700;
  --check-bg: #fff4d1;
  --fail: #d14343;
  --fail-bg: #fde3e3;
  --pending: #b9b9b9;
  --selected: #cfe3ff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1f1e;
    --card: #2a2c2b;
    --text: #e8e6e1;
    --muted: #a2a09b;
    --border: #3d403e;
    --accent: #5fb487;
    --accent-text: #10170f;
    --check-bg: #4a3d12;
    --fail-bg: #4d2222;
    --selected: #2f4a6b;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.topbar { padding: 18px 16px 4px; max-width: 1300px; margin: 0 auto; }
.topbar h1 { margin: 0; font-size: 1.6rem; }
.topbar .arrow { color: var(--accent); }
.tagline { margin: 2px 0 0; color: var(--muted); }
main { max-width: 1300px; margin: 0 auto; padding: 12px 16px 48px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
h2 { font-size: 1.05rem; margin: 0 0 8px; }
.muted { color: var(--muted); }
.error { color: var(--fail); font-weight: 600; }
.warning { background: var(--check-bg); padding: 8px 10px; border-radius: 6px; }

button {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.small { font-size: 0.85rem; padding: 4px 8px; }
button.link { border: none; background: none; color: var(--muted); text-decoration: underline; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }

/* Upload */
.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  border: 2px dashed var(--border); border-radius: 10px;
  padding: 28px 12px; text-align: center; cursor: pointer;
}
.dropzone.over { border-color: var(--accent); background: var(--selected); }
.dz-main { font-weight: 600; }
.thumbs { list-style: none; display: flex; gap: 10px; flex-wrap: wrap; padding: 0; margin: 12px 0 0; }
.thumbs li { width: 110px; text-align: center; font-size: 0.85rem; }
.thumbs img { width: 110px; height: 150px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.thumbs .thumb-actions { display: flex; justify-content: center; gap: 4px; margin-top: 2px; }
.thumbs .thumb-actions button { padding: 0 6px; font-size: 0.8rem; }
.spinner {
  display: inline-block; width: 14px; height: 14px; vertical-align: -2px;
  border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Review layout */
.summary { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.summary .big { font-weight: 700; }
/* Like the Lichess analysis board: a big board, the move list right next to
   it in its own scroll box, the fix panel under the moves, photos on the right. */
.review-grid { --board: min(600px, calc(100vh - 150px), 46vw);
  display: grid; grid-template-columns: var(--board) minmax(280px, 1fr) minmax(220px, 0.8fr);
  gap: 14px; align-items: start; }
.review-grid .card { margin-bottom: 0; }
.board-area { position: sticky; top: 10px; }
.side-card { display: flex; flex-direction: column; padding: 10px 12px; }
.side-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.side-head .legend { margin: 0; font-size: 0.8rem; }
.side-head #next-issue-btn { margin-left: auto; white-space: nowrap; flex: none; }
.side-head .legend .dot { margin-left: 6px; }
.moves-scroll { overflow-y: auto; height: calc(var(--board) * 0.55); min-height: 200px;
                border: 1px solid var(--border); border-radius: 4px; }
.photos-card { position: sticky; top: 10px; max-height: calc(100vh - 20px); overflow-y: auto; }
@media (max-width: 1100px) {
  .review-grid { --board: min(560px, calc(100vh - 150px), 55vw); grid-template-columns: var(--board) 1fr; }
  .photos-card { grid-column: 1 / -1; position: static; max-height: none; }
}
/* Phone: board on top, the move list right under it, then the fix panel. */
@media (max-width: 700px) {
  .review-grid { --board: 100%; grid-template-columns: 1fr; gap: 8px; }
  .board-area { position: static; }
  main { padding-left: 8px; padding-right: 8px; }
  .moves-scroll { height: auto; max-height: 30vh; min-height: 120px; }
  .board-nav button { flex: 1; padding: 10px 0; font-size: 1.1rem; }
}

/* Board: Lichess colours and pieces ("cburnett"). */
.board { display: grid; grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(8, 1fr);
         aspect-ratio: 1; width: 100%; user-select: none; touch-action: pan-y;
         box-shadow: 0 2px 8px rgba(0,0,0,0.35); }
.sq { position: relative; min-width: 0; min-height: 0; }
.sq.light { background: #f0d9b5; }
.sq.dark { background: #b58863; }
.sq.last::before { content: ""; position: absolute; inset: 0; background: rgba(155, 199, 0, 0.41); }
.sq.check::before { content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,0,0,1) 0%, rgba(231,0,0,1) 25%, rgba(169,0,0,0) 89%, rgba(158,0,0,0) 100%); }
.sq .pc { position: absolute; inset: 0; background-size: 100% 100%; z-index: 1; }
.sq .coord { position: absolute; font-size: clamp(8px, 1.9cqw, 12px); font-weight: 600; z-index: 2; line-height: 1; }
.board { container-type: inline-size; }
.sq.light .coord { color: #b58863; }
.sq.dark .coord { color: #f0d9b5; }
.sq .coord.file { right: 3%; bottom: 3%; }
.sq .coord.rank { left: 4%; top: 4%; }
.board-nav { display: flex; gap: 4px; margin-top: 6px; }
.board-nav button { flex: 1; font-size: 1rem; }

/* Editor */
.editor { margin-top: 10px; }
.editor h3 { margin: 0 0 4px; font-size: 1rem; }
.editor .hint { padding: 6px 8px; border-radius: 6px; background: var(--check-bg); margin: 6px 0; }
.editor .hint.fail { background: var(--fail-bg); }
.editor .suggestion { padding: 6px 8px; border-radius: 6px; background: var(--selected); margin: 6px 0; }
.editor .cands { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.editor .cands button.best { border-color: var(--accent); font-weight: 600; }
.editor .row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 6px 0; }
.editor input[type=text], .editor select { font: inherit; padding: 4px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--card); color: var(--text); }
.editor input.clock { width: 4.5em; }
.editor .read-as { font-family: ui-monospace, Consolas, monospace; }

/* Moves table */
.moves { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.moves td { padding: 3px 6px; border-bottom: 1px solid var(--border); }
.moves td.num { color: var(--muted); width: 2.6em; text-align: center; background: var(--bg); border-right: 1px solid var(--border); }
.moves td.ply { cursor: pointer; border-left: 4px solid transparent; }
.moves td.ply.ok { border-left-color: var(--ok); }
.moves td.ply.corrected { border-left-color: var(--corrected); }
.moves td.ply.check { border-left-color: var(--check); background: var(--check-bg); }
.moves td.ply.fail { border-left-color: var(--fail); background: var(--fail-bg); }
.moves td.ply.pending { border-left-color: var(--pending); color: var(--muted); }
.moves td.ply.selected { background: var(--selected); outline: 2px solid var(--corrected); outline-offset: -2px; }
/* Only on devices with a real mouse: on phones a tap would leave it "hovered". */
@media (hover: hover) { .moves td.ply:hover { background: var(--selected); } }
.moves .san { font-weight: 600; }
.moves .raw { color: var(--muted); font-size: 0.82rem; margin-left: 4px; }
.moves .clk { color: var(--muted); font-size: 0.78rem; float: right; }
.moves tr.page-break td { border-top: 2px dashed var(--border); }
.legend .dot { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin: 0 4px 0 10px; vertical-align: -1px; }
.legend .dot:first-child { margin-left: 0; }
.dot.ok { background: var(--ok); } .dot.corrected { background: var(--corrected); }
.dot.check { background: var(--check); } .dot.fail { background: var(--fail); }

/* Photos */
.photos { display: flex; flex-direction: column; gap: 8px; }
.photos img { width: 100%; border-radius: 6px; border: 1px solid var(--border); cursor: zoom-in; }
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.88); z-index: 10; overflow: hidden; touch-action: none; cursor: grab; }
.lightbox.dragging { cursor: grabbing; }
.lightbox img { position: absolute; left: 0; top: 0; max-width: none; transform-origin: 0 0; user-select: none; }
.lb-tools { position: absolute; top: 10px; right: 10px; display: flex; gap: 6px; }
.lb-tools button { background: rgba(255,255,255,0.92); color: #222; border: none; min-width: 40px; height: 40px; font-size: 1.1rem; font-weight: 600; }
.lb-help { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.75); font-size: 0.85rem; background: rgba(0,0,0,0.4); padding: 3px 10px; border-radius: 12px; white-space: nowrap; pointer-events: none; }

/* Tags */
.tags { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px 12px; }
.tags label { display: flex; flex-direction: column; font-size: 0.82rem; color: var(--muted); }
.tags input, .tags select { font: inherit; color: var(--text); background: var(--card); padding: 5px 7px; border: 1px solid var(--border); border-radius: 6px; margin-top: 2px; }
.tags input.flag { background: var(--check-bg); border-color: var(--check); }

/* PGN */
textarea#pgn { width: 100%; min-height: 220px; font: 13px/1.4 ui-monospace, Consolas, monospace; padding: 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); resize: vertical; }

/* Saved games */
.small-text { font-size: 0.85rem; margin: 0 0 8px; }
.saved-list { list-style: none; margin: 0; padding: 0; }
.saved-list li { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 7px 0; border-top: 1px solid var(--border); }
.saved-list li:first-child { border-top: none; }
.saved-list .title { font-weight: 600; flex: 1 1 260px; min-width: 0; }
.saved-list .meta { color: var(--muted); font-size: 0.85rem; }
.saved-list .badge { font-size: 0.75rem; padding: 1px 7px; border-radius: 10px; background: var(--check-bg); }
.saved-list .badge.done { background: transparent; color: var(--ok); }
.saved-list a { color: var(--accent); }
.lichess-result { margin-top: 10px; padding: 8px 10px; border-radius: 6px; background: var(--selected);
                  display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.lichess-result a { color: inherit; font-weight: 600; word-break: break-all; }
.no-photos { color: var(--muted); font-size: 0.9rem; }

/* Settings */
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.steps { margin: 6px 0 8px; padding-left: 22px; }
.steps li { margin: 3px 0; }
#key-input { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px;
             background: var(--card); color: var(--text); flex: 1 1 260px; min-width: 0; }
#settings code { background: var(--bg); padding: 1px 5px; border-radius: 4px; }
details summary { cursor: pointer; color: var(--muted); }

/* "All checked" state */
.summary.ready { background: color-mix(in srgb, var(--ok) 14%, var(--card)); border-color: var(--ok); }
.summary .ready-text { font-weight: 700; color: var(--ok); font-size: 1.05rem; }
.summary .ready-actions { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; }
.editor .done { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--ok);
                background: color-mix(in srgb, var(--ok) 12%, var(--card)); }
.editor .done h3 { color: var(--ok); }
.editor .fine { color: var(--ok); margin: 6px 0; }
.editor details.change { margin-top: 6px; }
.editor details.change summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }
#next-issue-btn:disabled { opacity: 0.6; }

/* Camera button: only on touch devices, where it opens the camera directly. */
.camera-btn { display: none; margin-top: 10px; padding: 12px; text-align: center; border-radius: 10px;
              background: var(--accent); color: var(--accent-text); font-weight: 600; cursor: pointer; }
@media (pointer: coarse) { .camera-btn { display: block; } }

.option { display: flex; gap: 8px; align-items: flex-start; margin-top: 10px; font-size: 0.9rem; color: var(--muted); cursor: pointer; }
.option input { margin-top: 3px; }

.editor-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.photo-tip { margin: 8px 0 0; }

/* Lichess studies */
.settings-sub { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--border); }
.study-panel { margin-top: 12px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); }
.study-panel label { display: flex; flex-direction: column; gap: 3px; font-size: 0.85rem; color: var(--muted); margin-bottom: 8px; }
.study-panel input[type=text], .study-panel select { font: inherit; color: var(--text); background: var(--card);
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; }
.study-panel .row-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
@media (max-width: 700px) { .study-panel .row-fields { grid-template-columns: 1fr; } }
.side-pick { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin: 4px 0 6px; }
.side-pick label { flex-direction: row; align-items: center; gap: 5px; margin: 0; color: var(--text); font-size: 0.95rem; }

.key-safety { margin: 10px 0 4px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); }
.key-safety summary { font-weight: 600; color: var(--text); }
.key-safety ol { padding-left: 22px; }
.key-safety li { margin: 5px 0; }
.key-safety code { word-break: break-all; }

.key-safety ul { padding-left: 22px; }
.key-safety details { margin-top: 8px; padding-top: 6px; border-top: 1px dashed var(--border); }
.key-safety details summary { font-weight: 600; color: var(--muted); }
.side-pick.attention { outline: 2px solid var(--check); outline-offset: 4px; border-radius: 6px; }

/* Bulk import */
.top-actions { display: flex; gap: 6px; align-items: center; }
a.button-link { display: inline-block; text-decoration: none; color: var(--text); border: 1px solid var(--border);
  background: var(--card); border-radius: 6px; padding: 6px 12px; font: inherit; }
a.button-link.small { font-size: 0.85rem; padding: 4px 8px; }
a.button-link.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
.bulk-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; background: var(--selected); }
.bulk-bar-actions { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; }
.steps-bar { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.steps-bar button { flex: 1; min-width: 110px; }
.steps-bar button.current { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
.group-list { display: flex; flex-direction: column; gap: 10px; margin: 10px 0; }
.group { margin: 0; }
.group-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.group-head button { margin-left: auto; }
.group-pages { display: flex; gap: 10px; flex-wrap: wrap; }
.group-page { width: 130px; display: flex; flex-direction: column; gap: 4px; }
.group-page img { width: 130px; height: 175px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); cursor: zoom-in; }
.inline { display: inline-flex; gap: 6px; align-items: center; }
.inline input, .inline select, #single-name, .study-table input, .study-table select { font: inherit; color: var(--text);
  background: var(--card); padding: 5px 7px; border: 1px solid var(--border); border-radius: 6px; }
.study-block { margin-top: 10px; overflow-x: auto; }
.study-head { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.study-table { width: 100%; border-collapse: collapse; }
.study-table th { text-align: left; font-weight: 600; font-size: 0.8rem; color: var(--muted); padding: 4px 6px; }
.study-table td { padding: 5px 6px; border-top: 1px solid var(--border); vertical-align: middle; }
.study-table td.order { white-space: nowrap; width: 1%; }
.study-table td.order button { padding: 2px 6px; }
.study-table input { width: 100%; min-width: 160px; }
.study-table tr.sent { opacity: 0.7; }
@media (max-width: 700px) {
  .study-table thead { display: none; }
  .study-table tr { display: grid; grid-template-columns: auto 1fr; gap: 4px 8px; padding: 8px 0; border-top: 1px solid var(--border); }
  .study-table td { border: none; padding: 0; }
  .study-table td:nth-child(n+3) { grid-column: 1 / -1; }
}