:root {
  --bg-deep:#07131e;
  --world:#163b5d;
  --grid:#2b5f88;
  --grid-major:#356d98;

  --panel:#0c2033;
  --panel2:#123049;
  --panel-hover:#173a59;
  --line:#25445e;

  --text:#f4f8fb;
  --muted:#93aec1;

  --accent:#f0c04a;
  --accent-ink:#3a2a06;
  --danger:#d9575a;
  --danger-ink:#3a1010;
  --good:#3ea86b;

  --font-display:'Baloo 2', system-ui, -apple-system, sans-serif;
  --font-ui:'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:var(--bg-deep);color:var(--text);font-family:var(--font-ui)}
#app{height:100%;display:grid;grid-template-rows:auto 1fr}

/* ---------- top bar ---------- */
#bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:10px 16px;
  background:var(--panel);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(0,0,0,.25);
  position:relative;z-index:2;
}
#brand{
  font-family:var(--font-display);
  font-weight:800;
  font-size:15px;
  letter-spacing:.04em;
  color:var(--accent);
  margin-right:4px;
  white-space:nowrap;
}
#gameCredit{
  font-size:11px;font-weight:600;color:var(--muted);
  white-space:nowrap;
}

button,.pill,select,input{font:inherit}
button{
  border:1px solid var(--line);
  background:var(--panel2);
  color:var(--text);
  border-radius:8px;
  padding:8px 12px;
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:background .12s ease, border-color .12s ease, transform .06s ease;
}
button:hover{background:var(--panel-hover);border-color:#31577a}
button:active{transform:translateY(1px)}
button.active{outline:2px solid var(--accent);outline-offset:-2px;background:#1c4265;border-color:var(--accent)}
button:disabled{opacity:.5;cursor:not-allowed}
button:focus-visible,.qslot:focus-visible,#helpBtn:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

#spotlight{
  display:flex;align-items:center;gap:6px;
  padding:4px 8px;margin-left:4px;
  border-left:1px solid var(--line);
}
#spotlightLabel{font-size:11px;font-weight:700;letter-spacing:.04em;opacity:.65;text-transform:uppercase}
#findLetterInput{
  width:110px;padding:7px 8px;font-size:13px;font-weight:600;
  text-transform:uppercase;text-align:center;
  border-radius:8px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);
}

#cascadeMenu{
  position:fixed;z-index:30;
  display:flex;flex-direction:column;gap:2px;
  max-height:min(360px,calc(100vh - 80px));overflow-y:auto;
  max-width:220px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:4px;box-shadow:0 12px 30px rgba(0,0,0,.5);
  transform-origin:bottom center;
  transform:scaleY(.4) translateY(10px);
  opacity:0;
  transition:transform .26s cubic-bezier(.2,1.4,.4,1), opacity .16s ease;
}
#cascadeMenu.open{transform:scaleY(1) translateY(0);opacity:1}
#cascadeMenu button{
  padding:7px 14px;font-size:13px;font-weight:700;
  text-align:left;border-radius:5px;background:transparent;border:none;
  color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  opacity:0;transform:translateY(6px);
  transition:transform .18s ease,opacity .18s ease;
  transition-delay:var(--d,0ms);
}
#cascadeMenu.open button{opacity:1;transform:translateY(0)}
#cascadeMenu button:hover{background:var(--panel-hover)}

.pill{
  position:relative;
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);
  background:var(--panel2);
  border-radius:8px;
  padding:6px 12px;
}
.pill.bump{animation:pillBump .4s ease}
@keyframes pillBump{
  0%{transform:scale(1)}
  35%{transform:scale(1.18)}
  100%{transform:scale(1)}
}
.earnPopup{
  position:absolute;left:50%;top:-4px;
  transform:translate(-50%,0);
  font-family:var(--font-mono);font-weight:800;font-size:14px;
  color:var(--good);
  pointer-events:none;
  animation:earnFloat .9s ease-out forwards;
}
@keyframes earnFloat{
  0%{opacity:0;transform:translate(-50%,4px) scale(.85)}
  20%{opacity:1;transform:translate(-50%,-4px) scale(1)}
  100%{opacity:0;transform:translate(-50%,-30px) scale(1)}
}
.pill-label{
  font-family:var(--font-mono);
  font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);font-weight:600;
}
.pill b{
  font-family:var(--font-mono);
  font-size:16px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}

.spacer{flex:1}

/* ---------- stage / canvas ---------- */
#stage{position:relative;min-height:0}
canvas{display:block;width:100%;height:100%;cursor:crosshair;touch-action:none}

/* ---------- quickbar ---------- */
#quickbar{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);
  display:flex;gap:5px;align-items:flex-end;padding:6px;
  background:#0f2740;border:2px solid #071626;border-radius:10px;
  box-shadow:0 8px 20px rgba(0,0,0,.4), 0 2px 0 #051220;
  z-index:5;user-select:none
}
.qslot{
  position:relative;width:68px;height:60px;padding:5px 4px 6px;
  border:1px solid #0c2436;border-radius:6px;background:#1c4a6e;color:white;
  display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
  font-family:var(--font-ui);
  font-size:10.5px;font-weight:600;line-height:1.1;letter-spacing:.01em;
  cursor:pointer;transition:background .12s ease, outline-color .12s ease;
}
.qslot:hover{background:#255a85}
.qslot.active{background:#2f6c9c;outline:2px solid var(--accent);outline-offset:-2px}
.qslot[data-qtool="delete"].active{background:#6e2b2b;outline-color:var(--danger)}
.qslot .num{
  position:absolute;top:3px;right:5px;
  font-family:var(--font-mono);
  font-size:9px;color:rgba(255,255,255,.65);font-weight:600;
}
.qslot .icon{
  width:32px;height:28px;border:1px solid rgba(0,0,0,.4);border-radius:5px;
  display:flex;align-items:center;justify-content:center;margin-bottom:4px;
  background:#0c1e2e;font-size:16px;font-weight:800;color:white;
}
#quickbar .utility{background:#2c5878}
#quickbar .utility .icon{background:#0c1e2e}
#quickbar .utility:hover{background:#356a90}
#undoBtn{background:#5a3232}
#undoBtn .icon{background:#2c1414}
#undoBtn:hover{background:#6e3d3d}

/* ---------- rotate hints ---------- */
#rotateHints{
  position:absolute;left:50%;bottom:82px;transform:translateX(-50%);
  display:none;gap:6px;z-index:6;pointer-events:none
}
#rotateHints.show{display:flex}
.rotateHint{
  -webkit-appearance:none;appearance:none;outline:none;
  background:#0f2740;border:1px solid #2f5877;border-radius:6px;
  padding:6px 10px;color:white;font-size:11px;font-weight:700;
  box-shadow:0 3px 8px rgba(0,0,0,.35);
  display:flex;align-items:center;gap:6px;
  pointer-events:auto;cursor:pointer;font-family:inherit;
}
.rotateHint:hover{background:#173a58}
.rotateHint:active{background:#1f4a70}
.rotateHint kbd{
  display:inline-block;min-width:22px;text-align:center;
  font-family:var(--font-mono);
  background:#071722;border:1px solid #4a7292;border-radius:4px;padding:2px 5px;margin-right:6px;
}

/* ---------- help ---------- */
#helpBtn{
  position:absolute;right:14px;top:14px;z-index:6;
  width:40px;height:40px;padding:0;border-radius:50%;
  font-family:var(--font-display);
  font-size:18px;font-weight:700;
  background:var(--panel2);border:1px solid var(--line);color:var(--text);
  box-shadow:0 3px 10px rgba(0,0,0,.3);
}
#helpBtn:hover{background:var(--panel-hover)}

/* ---------- start / pause menu ---------- */
#startModal{
  position:absolute;inset:0;z-index:19;display:none;
  align-items:center;justify-content:center;background:rgba(3,10,16,.6);
  backdrop-filter:blur(2px);
}
#startModal.open{display:flex}
#startCard{
  width:min(480px,calc(100% - 32px));max-height:calc(100% - 48px);overflow:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:28px 26px 22px;
  color:var(--text);line-height:1.6;text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
#startHeader{
  margin:-28px -26px 14px;padding:8px 20px 6px;
  background:#fff;border-radius:11px 11px 0 0;
  border-bottom:1px solid #d8e0e7;
}
#startLogo{
  display:block;margin:0 auto;max-width:180px;height:auto;
}
#startTitle{
  margin:0 0 20px;
  font-family:var(--font-display);
  font-weight:800;font-size:28px;color:var(--accent);
}
#playBtn{
  width:100%;padding:14px;font-size:16px;font-weight:700;margin-bottom:20px;
}
#startSaveSlots{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.startMenuRow{display:flex;gap:8px}
.startMenuRow button{flex:1}

#helpModal{
  position:absolute;inset:0;z-index:20;display:none;
  align-items:center;justify-content:center;background:rgba(3,10,16,.6);
  backdrop-filter:blur(2px);
}
#helpModal.open{display:flex}
#helpCard{
  width:min(540px,calc(100% - 32px));max-height:calc(100% - 48px);overflow:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:24px 26px 22px;
  color:var(--text);line-height:1.6;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
#helpCard h2{
  margin:0 0 14px;
  font-family:var(--font-display);
  font-weight:700;font-size:24px;color:var(--accent);
}
#helpContent b{color:var(--accent);font-weight:700}
#helpCard button{margin-top:18px}

/* ---------- settings ---------- */
#settingsModal,#storeModal{
  position:absolute;inset:0;z-index:20;display:none;
  align-items:center;justify-content:center;background:rgba(3,10,16,.6);
  backdrop-filter:blur(2px);
}
#settingsModal.open,#storeModal.open{display:flex}
#settingsCard,#storeCard{
  width:min(480px,calc(100% - 32px));max-height:calc(100% - 48px);overflow:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:24px 26px 22px;
  color:var(--text);line-height:1.6;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
#settingsCard h2,#storeCard h2{
  margin:0 0 14px;
  font-family:var(--font-display);
  font-weight:700;font-size:24px;color:var(--accent);
}
#settingsCard button,#storeCard button{margin-top:0}
#settingsContent,#storeContent{display:flex;flex-direction:column;gap:10px}
#settingsContent>div{padding-top:14px;border-top:1px solid var(--line)}
#settingsContent>div:first-child{padding-top:0;border-top:none}
#timerLenLabel,#wordBlanksLabel,#homeworkLabel,#saveSlotsLabel,#blueprintsLabel,#startSaveSlotsLabel{font-size:11px;font-weight:700;letter-spacing:.04em;opacity:.65;text-transform:uppercase;display:block;margin-bottom:8px}
.settingsRow{display:flex;gap:8px;flex-wrap:wrap}
.settingsRow button{flex:1}
#settingsCard>button,#storeCard>button{margin-top:20px;width:100%}

.storeItemRow{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:8px;
  border:1px solid var(--line);background:var(--panel2);
}
.storeItemInfo{flex:1;min-width:0}
.storeItemName{font-weight:700;font-size:13px}
.storeItemMeta{font-size:11px;color:var(--muted);margin-top:2px}

#homeworkList{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.homeworkLangHeading{
  font-size:11px;font-weight:700;letter-spacing:.04em;opacity:.6;text-transform:uppercase;
  margin:8px 0 2px;
}
.homeworkLangHeading:first-child{margin-top:0}
.homeworkRow{display:flex;gap:6px;align-items:center}
.homeworkRow input{
  flex:1;min-width:0;padding:7px 8px;font-size:13px;font-weight:600;
  text-transform:uppercase;
  border-radius:8px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);
}
.homeworkRow select{
  width:56px;padding:6px 4px;font-size:15px;text-align:center;
  border-radius:8px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);
}

#saveSlots{display:flex;flex-direction:column;gap:8px}
.saveSlotRow{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:8px;
  border:1px solid var(--line);background:var(--panel2);
}
.saveSlotInfo{flex:1;min-width:0}
.saveSlotName{font-weight:700;font-size:13px}
.saveSlotMeta{font-size:11px;color:var(--muted);margin-top:2px}
.saveSlotRow button{flex:none;padding:7px 12px;font-size:12.5px}

#blueprintList{display:flex;flex-direction:column;gap:8px}
#blueprintList:empty::before{content:'No blueprints yet — drag a box with the Blueprint tool to make one.';font-size:12px;color:var(--muted)}

/* ---------- Blueprint workshop ---------- */
#blueprintModal{
  position:absolute;inset:0;z-index:20;display:none;align-items:center;justify-content:center;
  padding:18px;background:rgba(3,10,17,.78);backdrop-filter:blur(2px)
}
#blueprintModal.open{display:flex}
#blueprintCard{
  width:min(1180px,96vw);height:min(780px,94vh);display:flex;flex-direction:column;
  overflow:hidden;background:var(--panel);border:2px solid #39617d;border-radius:14px;
  box-shadow:0 18px 60px rgba(0,0,0,.65)
}
.blueprintHeader,.blueprintFooter{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 16px;background:#102b43}
.blueprintHeader h2{margin:0;font-family:var(--font-display);font-size:24px;color:var(--accent)}
.blueprintHeader p{margin:2px 0 0;color:var(--muted);font-size:12px}
#blueprintMinePalette{display:flex;align-items:center;gap:7px;padding:9px 16px;border-bottom:1px solid var(--line);background:#0b2134}
#blueprintMinePalette span{margin-right:8px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
#blueprintMinePalette em{display:inline-flex;align-items:center;justify-content:center;width:30px;height:28px;font-style:normal;font-family:var(--font-mono);font-weight:800;font-size:15px;color:#fff;background:#c93b3b;border:1px solid #ed7777;border-radius:4px}
#blueprintMinePalette small{margin-left:6px;font-size:11px;color:var(--muted)}
#blueprintCanvasHost{position:relative;flex:1;min-height:0;background:#37502a}
#blueprintCanvasHost canvas{width:100%;height:100%}
.blueprintFooter{font-size:12px;color:var(--muted)}
.blueprintFooter button{background:#3a6b8a;color:white;font-weight:800}
body.blueprint-workshop #quickbar [data-qtool="extractor"],
body.blueprint-workshop #quickbar [data-qtool="clear"],
body.blueprint-workshop #quickbar [data-qtool="move"],
body.blueprint-workshop #quickbar [data-qtool="blueprint"],
body.blueprint-workshop #quickbar [data-qtool="suffix"],
body.blueprint-workshop #quickbar #newWord,
body.blueprint-workshop #quickbar #editorQuick{display:none}
body.blueprint-workshop #quickbar{z-index:25}

/* ---------- toast ---------- */
#toast{
  position:absolute;top:16px;left:50%;transform:translateX(-50%);
  background:rgba(6,17,27,.96);border:1px solid var(--line);
  border-radius:9px;padding:10px 16px;
  font-weight:600;font-size:14px;
  box-shadow:0 8px 20px rgba(0,0,0,.35);
  opacity:0;transition:opacity .15s;pointer-events:none;
}
#toast.show{opacity:1}

.hidden{display:none!important}

/* ---------- editor panel ---------- */
#editorPanel{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
#letterPick{
  width:48px;text-transform:uppercase;text-align:center;
  font-family:var(--font-mono);font-weight:700;
  border:1px solid var(--line);background:var(--panel2);color:var(--text);
  border-radius:8px;padding:8px;
}
#letterPick:focus-visible{outline:2px solid var(--accent);outline-offset:1px}