:root{--bg: #1a1a2e;--bg-card: #16213e;--bg-cell: #0f3460;--bg-cell-hover: #1a4a7a;--bg-cell-marked: #e94560;--bg-cell-line: #ffb740;--text: #eaeaea;--text-dim: #8892a4;--text-dark: #1a1a2e;--accent: #e94560;--accent2: #ffb740;--accent3: #53d8a8;--border: #2a3a5e;--word-inactive: #2a3a5e;--word-active: #e94560;--shadow: 0 4px 24px rgba(0, 0, 0, .3);--radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Fredoka,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:20px;overflow-x:hidden}h1{font-size:2.2rem;font-weight:700;letter-spacing:.08em;margin-bottom:4px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:.9rem;color:var(--text-dim);margin-bottom:20px}.phase{display:none;width:100%;max-width:560px;margin-top:16px}.phase.active{display:flex;flex-direction:column;align-items:center}#phase-words .word-setup{background:var(--bg-card);border-radius:var(--radius);padding:24px;width:100%;box-shadow:var(--shadow)}#phase-words h2{font-size:1.2rem;margin-bottom:6px}#phase-words .hint{font-size:.8rem;color:var(--text-dim);margin-bottom:16px}.word-inputs{display:flex;gap:10px;margin:16px 0;justify-content:center;flex-wrap:wrap}.word-otp{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;min-width:80px;max-width:110px}.word-otp-index{font-family:JetBrains Mono,monospace;font-size:.7rem;font-weight:700;width:22px;height:22px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border-radius:6px}.word-otp input{width:100%;padding:12px 6px;border-radius:10px;border:2.5px solid var(--border);background:var(--bg);color:var(--text);font-family:Fredoka,sans-serif;font-size:.95rem;font-weight:600;text-align:center;text-transform:uppercase;outline:none;transition:border-color .25s,background .25s,box-shadow .25s,transform .2s}.word-otp input:focus{border-color:var(--accent);background:#e945600f;box-shadow:0 0 0 4px #e9456026;transform:scale(1.04)}.word-otp input.filled{border-color:var(--accent3);background:#53d8a80f}.word-otp input::placeholder{color:var(--text-dim);opacity:.4;font-size:.8rem}#phase-grid .grid-setup{background:var(--bg-card);border-radius:var(--radius);padding:24px;width:100%;box-shadow:var(--shadow)}#phase-grid h2{font-size:1.2rem;margin-bottom:4px}#phase-grid .hint{font-size:.8rem;color:var(--text-dim);margin-bottom:16px}.grid-container{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:12px}.grid-place-cell{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-family:JetBrains Mono,monospace;font-size:1.3rem;font-weight:700;border:2.5px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text-dim);cursor:pointer;transition:all .2s ease;user-select:none;-webkit-tap-highlight-color:transparent;min-height:44px}.grid-place-cell:hover:not(.placed){border-color:var(--accent2);background:#ffb74014;transform:scale(1.06)}.grid-place-cell:focus-visible{outline:3px solid var(--accent2);outline-offset:2px}.grid-place-cell.placed{border-color:var(--accent3);background:#53d8a81a;color:var(--text);cursor:default;animation:placePop .3s cubic-bezier(.34,1.56,.64,1)}.grid-place-cell.last-placed{border-color:var(--accent2);background:#ffb74026;box-shadow:0 0 10px #ffb74040}@keyframes placePop{0%{transform:scale(1)}50%{transform:scale(1.12)}to{transform:scale(1)}}.grid-progress{text-align:center;margin-bottom:12px}.grid-progress .current-number{font-family:JetBrains Mono,monospace;font-size:2rem;font-weight:700;color:var(--accent2);display:inline-block;min-width:2.5ch;animation:numPulse 1s infinite alternate}.grid-progress .progress-label{font-size:.85rem;color:var(--text-dim);margin-top:2px}.grid-progress .progress-bar{margin-top:8px;height:6px;background:var(--border);border-radius:999px;overflow:hidden}.grid-progress .progress-fill{height:100%;background:linear-gradient(90deg,var(--accent3),var(--accent2));border-radius:999px;transition:width .3s ease}.grid-done-msg{color:var(--accent3);font-weight:600;font-size:.95rem;text-align:center;animation:fadeIn .3s ease}@keyframes numPulse{0%{transform:scale(1)}to{transform:scale(1.08)}}#phase-game{max-width:600px}.game-layout{display:flex;flex-direction:column;align-items:center;gap:16px;width:100%}.words-display{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.word-badge{font-family:JetBrains Mono,monospace;font-size:1rem;font-weight:700;padding:8px 16px;border-radius:999px;background:var(--word-inactive);color:var(--text-dim);transition:all .4s cubic-bezier(.34,1.56,.64,1);letter-spacing:.05em}.word-badge.scored{background:var(--accent);color:#fff;transform:scale(1.1);box-shadow:0 0 20px #e9456066}.game-grid-wrapper{position:relative;width:100%;max-width:400px}.game-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;width:100%;position:relative}.line-overlay{position:absolute;top:0;left:0;pointer-events:none;z-index:10;overflow:visible}.line-overlay line{stroke:red;stroke-width:5;stroke-linecap:round;filter:drop-shadow(0 0 8px rgba(255,183,64,.7));stroke-dasharray:1000;stroke-dashoffset:1000;animation:drawLine .5s ease forwards}@keyframes drawLine{to{stroke-dashoffset:0}}.game-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-family:JetBrains Mono,monospace;font-size:1.3rem;font-weight:700;border:2px solid var(--border);border-radius:10px;background:var(--bg-cell);color:var(--text);cursor:pointer;transition:all .2s ease;user-select:none;position:relative;-webkit-tap-highlight-color:transparent;min-height:44px}.game-cell:hover:not(.marked){background:var(--bg-cell-hover);border-color:var(--accent2);transform:scale(1.04)}.game-cell:focus-visible{outline:3px solid var(--accent2);outline-offset:2px}.game-cell.marked{background:var(--bg-cell-marked);color:#fff;border-color:var(--bg-cell-marked);animation:markPop .35s cubic-bezier(.34,1.56,.64,1)}.game-cell.in-line{background:var(--accent2);color:var(--text-dark);border-color:var(--accent2)}@keyframes markPop{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}.game-status{font-size:1rem;color:var(--text-dim);text-align:center}.game-status strong{color:var(--accent2)}.win-overlay{display:none;position:fixed;inset:0;background:#000000b3;z-index:100;align-items:center;justify-content:center;flex-direction:column;gap:16px;animation:fadeIn .4s ease}.win-overlay.show{display:flex}.win-overlay h2{font-size:3rem;background:linear-gradient(135deg,var(--accent),var(--accent2),var(--accent3));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:winPulse 1s infinite alternate}.win-overlay p{font-size:1.1rem;color:var(--text-dim)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes winPulse{0%{transform:scale(1)}to{transform:scale(1.05)}}.btn{font-family:Fredoka,sans-serif;font-size:1rem;font-weight:600;padding:12px 28px;border:none;border-radius:999px;cursor:pointer;transition:all .2s;letter-spacing:.03em}.btn:focus-visible{outline:3px solid var(--accent2);outline-offset:3px}.btn-primary{background:linear-gradient(135deg,var(--accent),#c83b52);color:#fff;box-shadow:0 4px 16px #e945604d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #e9456066}.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-secondary{background:var(--bg-cell);color:var(--text);border:2px solid var(--border)}.btn-secondary:hover{border-color:var(--accent2)}.btn-row{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap;justify-content:center}.shortcut-hint{font-size:.75rem;color:var(--text-dim);margin-top:8px;text-align:center}.shortcut-hint kbd{font-family:JetBrains Mono,monospace;background:var(--bg-cell);padding:2px 6px;border-radius:4px;font-size:.7rem;border:1px solid var(--border)}.undo-bar{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-dim)}.undo-bar button{font-family:Fredoka,sans-serif;font-size:.8rem;font-weight:600;padding:6px 14px;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);cursor:pointer;transition:border-color .2s}.undo-bar button:hover{border-color:var(--accent2)}.undo-bar button:disabled{opacity:.3;cursor:not-allowed}.lines-tracker{font-size:.85rem;color:var(--text-dim);text-align:center}@media(max-width:600px){body{padding:14px}h1{font-size:1.8rem}.phase,#phase-game{max-width:100%}.game-grid-wrapper{max-width:360px}.btn{padding:12px 20px;font-size:.95rem}.btn-row{gap:8px}}@media(max-width:420px){body{padding:10px}h1{font-size:1.5rem}.subtitle{font-size:.8rem;margin-bottom:14px}.word-inputs{gap:6px}.word-otp{min-width:56px}.word-otp input{padding:10px 4px;font-size:.8rem}.word-otp-index{width:18px;height:18px;font-size:.6rem}.grid-place-cell{font-size:.95rem;border-radius:8px;border-width:2px}.grid-progress .current-number{font-size:1.5rem}.grid-setup{padding:16px}.game-grid{gap:4px}.game-cell{font-size:1rem;border-radius:8px;border-width:2px}.game-grid-wrapper{max-width:320px}.line-overlay line{stroke-width:3}.word-badge{font-size:.8rem;padding:6px 10px}.btn{padding:14px 20px;font-size:.9rem;min-height:48px}.btn-row{gap:6px;flex-wrap:wrap;justify-content:center}.undo-bar button{padding:8px 16px;min-height:40px}.shortcut-hint{font-size:.65rem}#phase-words .word-setup{padding:16px}#phase-words h2{font-size:1.05rem}#phase-words .hint{font-size:.75rem}}@media(max-width:340px){.word-otp{min-width:48px}.word-otp input{padding:8px 2px;font-size:.75rem}.game-cell,.grid-place-cell{font-size:.85rem}.game-grid{gap:3px}.btn{padding:12px 14px;font-size:.85rem}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}