:root{
  --bg:#181818; --panel:#1f1f1f; --raise:#272727; --edge:#313131;
  --text:#f0f1f4; --dim:#9aa0ab; --faint:#646a75;
  --accent:#ffc94d; --accent-soft:rgba(255,201,77,.13);
  --good:#7dd87d; --bad:#ff6b6b; --lock:#8b93ff;
  --sans:'Manrope',system-ui,sans-serif; --mono:'Geist Mono',monospace;
  --ease:cubic-bezier(.32,.72,0,1);
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:var(--sans);min-height:100dvh}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

#app{max-width:560px;margin:0 auto;padding:16px;min-height:100dvh;display:flex;flex-direction:column}
.screen{flex:1;display:flex;flex-direction:column;animation:screenIn .45s var(--ease)}
.hidden{display:none!important}
@keyframes screenIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.title-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:24px 0}
.title-emblem{font-size:64px;filter:drop-shadow(0 0 24px rgba(255,201,77,.35))}
.game-logo{font-size:36px;font-weight:800;letter-spacing:.14em}
.tagline{color:var(--dim);font-size:16px;line-height:24px;max-width:360px}

.level-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;width:100%;max-width:340px;margin-top:8px}
.level-cell{aspect-ratio:1;border-radius:12px;background:var(--panel);border:1px solid var(--edge);font-family:var(--mono);font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:transform .25s var(--ease),background .25s var(--ease)}
.level-cell:hover{transform:translateY(-2px);background:var(--raise)}
.level-cell:active{transform:scale(.96)}
.level-cell:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.level-cell.done{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}
.level-cell.locked{opacity:.32;pointer-events:none}
.level-cell.perfect::after{content:"★";font-size:10px;position:relative;top:-8px}

.btn{border-radius:12px;padding:8px 12px;font-size:16px;font-weight:600;transition:transform .25s var(--ease),background .25s var(--ease),opacity .25s var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--accent);color:#1c1503}
.btn-primary:disabled{opacity:.35;cursor:default;transform:none}
.btn-big{padding:12px 32px;font-size:18px}
.btn-ghost{background:var(--panel);border:1px solid var(--edge);color:var(--dim)}
.btn-ghost:hover{color:var(--text)}
.btn-small{font-size:14px;padding:8px 12px}

.panel{background:var(--panel);border:1px solid var(--edge);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:16px;margin:auto 0}
.panel.center{align-items:center;text-align:center}
.panel h2{font-size:24px;line-height:32px;font-weight:800}
.muted{color:var(--dim);font-size:14px;line-height:20px}
.end-emoji{font-size:56px}

.puzzle-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-bottom:12px}
.puzzle-title{font-family:var(--mono);font-weight:700;font-size:14px;color:var(--accent)}
.mistake-meter{font-size:14px;color:var(--bad);min-width:56px;text-align:right;letter-spacing:2px}

.grid-scroll{overflow-x:auto;padding-bottom:8px}
.xgrid{display:grid;gap:2px;margin:0 auto;width:max-content}
.xcell{width:var(--cell,32px);height:var(--cell,32px);border-radius:4px;background:var(--raise);border:1px solid var(--edge);position:relative;font-family:var(--mono);font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;color:var(--text);transition:background .3s var(--ease)}
.xcell.empty{background:transparent;border-color:transparent}
.xcell .cnum{position:absolute;top:1px;left:3px;font-size:8px;color:var(--faint);font-family:var(--sans);font-weight:600}
.xcell.sel{background:var(--accent-soft);border-color:var(--accent)}
.xcell.solved{color:var(--good)}
.xcell:not(.empty){cursor:pointer}

.grid-help{color:var(--faint);font-size:12px;line-height:16px;text-align:center;padding:8px 0}

.entry-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding-bottom:16px}
.echip{border-radius:999px;border:1px solid var(--edge);background:var(--panel);padding:8px 12px;font-size:14px;font-weight:600;color:var(--dim);display:flex;gap:6px;align-items:center;transition:transform .25s var(--ease),background .25s var(--ease)}
.echip:hover{transform:translateY(-1px);color:var(--text)}
.echip:active{transform:scale(.97)}
.echip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.echip .n{font-family:var(--mono);color:var(--faint);font-size:12px}
.echip.locked .state{color:var(--lock)}
.echip.open{border-color:var(--accent);color:var(--accent)}
.echip.solved{border-color:var(--good);color:var(--good);opacity:.75}

.vault-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.vault-label{font-family:var(--mono);font-size:12px;color:var(--faint)}
.vault-title{font-size:20px;line-height:28px}
.vault-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.vtile{border-radius:12px;background:var(--raise);border:1px solid var(--edge);padding:12px 2px;font-family:var(--mono);font-size:13px;font-weight:600;text-align:center;overflow-wrap:anywhere;transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease)}
.vtile:hover{background:var(--edge)}
.vtile:active{transform:scale(.95)}
.vtile:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.vtile.on{background:var(--accent);border-color:var(--accent);color:#1c1503}
.vtile.reveal-true{background:var(--good);border-color:var(--good);color:#0d1c0d}
.vtile.hinted{border-color:var(--accent);box-shadow:0 0 10px rgba(255,201,77,.35)}
.hint-row{display:flex;justify-content:center}
.vault-feedback{min-height:20px;font-size:14px;line-height:20px;color:var(--dim);text-align:center}
.vault-feedback .good{color:var(--good);font-weight:700}
.vault-feedback .bad{color:var(--bad)}

.clue-banner{background:var(--accent-soft);border:1px solid var(--edge);border-radius:12px;padding:12px 16px;font-size:16px;line-height:24px;font-weight:700;color:var(--accent);text-align:center}
.answer-boxes{display:flex;gap:4px;justify-content:center;flex-wrap:wrap}
.abox{width:36px;height:40px;border-radius:8px;background:var(--raise);border:1px solid var(--edge);font-family:var(--mono);font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center}
.abox.given{color:var(--good);background:rgba(125,216,125,.08)}
.abox.cursor{border-color:var(--accent)}

.kb{display:flex;flex-direction:column;gap:4px;align-items:center}
.kb-row{display:flex;gap:4px;justify-content:center}
.kb-key{min-width:28px;height:40px;padding:0 6px;border-radius:8px;background:var(--raise);border:1px solid var(--edge);font-family:var(--mono);font-size:14px;font-weight:700;transition:background .15s var(--ease)}
.kb-key:hover{background:var(--edge)}
.kb-key:active{transform:scale(.94)}
.kb-key.wide{min-width:52px;font-size:12px}
.kb-key.go{background:var(--accent);color:#1c1503;border-color:var(--accent)}

.tut-overlay{position:fixed;inset:0;background:rgba(0,0,0,.74);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50;animation:screenIn .3s var(--ease)}
.tut-card{background:var(--panel);border:1px solid var(--edge);border-radius:16px;padding:24px;max-width:420px;width:100%;display:flex;flex-direction:column;gap:12px;max-height:85dvh;overflow-y:auto}
.tut-emoji{font-size:40px;text-align:center}
.tut-card h2{font-size:20px;line-height:28px;text-align:center;font-weight:800}
.tut-steps{display:flex;flex-direction:column;gap:8px;margin-left:24px;color:var(--dim);font-size:14px;line-height:20px}
.tut-steps b{color:var(--text)}
.tut-steps .em{color:var(--accent);font-weight:700}
.pause-actions{display:flex;flex-direction:column;gap:8px}
.pause-btn{padding:4px 10px;border-radius:999px;font-size:14px}

@media (max-width:420px){
  .xcell{--cell:26px;font-size:13px}
  .game-logo{font-size:30px}
  .abox{width:30px;height:36px;font-size:16px}
}