:root{--color-bg: #0f1419;--color-surface: #1a1f2e;--color-surface-hover: #242a3d;--color-border: #2d3548;--color-text: #e8eaf0;--color-text-dim: #8b92a8;--color-accent: #4a9eff;--color-accent-dim: #2d6cb8;--color-success: #4caf50;--color-error: #ef5350;--color-warning: #ffb74d;--color-anchor: #ffd700;--color-beginning: #4caf50;--color-intermediate: #ffb74d;--color-advanced: #ff7043;--color-master: #ef5350;--grid-size: min(85vw, 360px);--cell-size: calc(var(--grid-size) / 3);--cell-gap: 6px;--border-radius: 12px;--border-radius-sm: 8px;--font-main: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-main);background:var(--color-bg);color:var(--color-text);min-height:100dvh;line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100dvh}.app{display:flex;flex-direction:column;min-height:100dvh;max-width:480px;margin:0 auto;padding:0 16px}.app-main{flex:1;display:flex;flex-direction:column;padding-bottom:24px}.app-footer{text-align:center;padding:12px 0 20px;font-size:.75rem}.app-footer a{color:var(--color-text-dim);text-decoration:none;transition:color .2s}.app-footer a:hover{color:var(--color-accent)}.app-header{display:flex;align-items:center;justify-content:center;padding:16px 0;position:relative}.header-left,.header-right{position:absolute;top:50%;transform:translateY(-50%)}.header-left{left:0}.header-right{right:0}.header-title{font-size:1.5rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;background:linear-gradient(135deg,var(--color-accent),var(--color-anchor));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.back-button{background:none;border:none;color:var(--color-accent);font-size:.9rem;cursor:pointer;padding:4px 8px;border-radius:var(--border-radius-sm);transition:background .2s}.back-button:hover{background:var(--color-surface)}.help-button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:none;border:1.5px solid var(--color-border);color:var(--color-accent);font-size:1rem;font-weight:700;border-radius:50%;cursor:pointer;transition:all .2s;font-family:var(--font-main);line-height:1}.help-button:hover{background:var(--color-surface);border-color:var(--color-accent)}.error-banner{background:#ef535026;border:1px solid var(--color-error);color:var(--color-error);padding:12px 16px;border-radius:var(--border-radius-sm);margin-bottom:16px;font-size:.9rem}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--color-text-dim);font-size:1.1rem}.puzzle-selector{flex:1}.puzzle-list{display:flex;flex-direction:column;gap:12px}.puzzle-card{display:flex;flex-direction:column;gap:8px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:16px;cursor:pointer;transition:all .2s;text-align:left;color:var(--color-text);font-family:var(--font-main);font-size:1rem;width:100%}.puzzle-card:hover{background:var(--color-surface-hover);border-color:var(--color-accent-dim);transform:translateY(-1px)}.puzzle-card-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.puzzle-card-title{font-weight:600;font-size:1.05rem}.puzzle-card-description{color:var(--color-text-dim);font-size:.85rem}.puzzle-card-meta{display:flex;gap:16px;font-size:.8rem;color:var(--color-text-dim)}.puzzle-sort-bar{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:16px;flex-wrap:wrap}.puzzle-sort-label{font-size:.85rem;color:var(--color-text-dim);font-weight:600}.puzzle-sort-options{display:flex;gap:2px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--border-radius-sm);padding:3px}.puzzle-sort-btn{font-family:var(--font-main);font-size:.8rem;padding:6px 14px;border:none;border-radius:6px;background:transparent;color:var(--color-text-dim);cursor:pointer;transition:all .15s;white-space:nowrap}.puzzle-sort-btn:hover{color:var(--color-text);background:var(--color-surface-hover)}.puzzle-sort-btn-active{background:var(--color-accent-dim);color:var(--color-text);font-weight:600}.empty-state{text-align:center;padding:48px 24px;color:var(--color-text-dim)}.empty-state p{margin-bottom:8px}.difficulty-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}.difficulty-beginning{background:#4caf5026;color:var(--color-beginning)}.difficulty-intermediate{background:#ffb74d26;color:var(--color-intermediate)}.difficulty-advanced{background:#ff704326;color:var(--color-advanced)}.difficulty-master{background:#ef535026;color:var(--color-master)}.game-view{display:flex;flex-direction:column;gap:16px}.puzzle-info-bar{text-align:center}.puzzle-info-title{font-size:1.1rem;font-weight:600;margin-bottom:4px}.puzzle-info-details{display:flex;align-items:center;justify-content:center;gap:12px;font-size:.85rem;color:var(--color-text-dim)}.puzzle-info-description{color:var(--color-text-dim);font-size:.8rem;margin-top:4px}.score-bar{display:flex;align-items:center;gap:16px;background:var(--color-surface);padding:12px 16px;border-radius:var(--border-radius);border:1px solid var(--color-border)}.score-display{text-align:center;min-width:60px}.score-value{font-size:1.5rem;font-weight:700;color:var(--color-accent);font-family:var(--font-mono)}.score-label{font-size:.7rem;color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.05em}.score-progress{flex:1}.score-progress-track{height:8px;background:var(--color-border);border-radius:4px;position:relative;overflow:hidden;margin-bottom:4px}.score-progress-fill{height:100%;background:linear-gradient(90deg,var(--color-accent),var(--color-success));border-radius:4px;transition:width .4s ease}.score-par-marker{position:absolute;top:-2px;bottom:-2px;width:2px;background:var(--color-warning);transform:translate(-50%)}.score-details{display:flex;justify-content:space-between;font-size:.75rem;color:var(--color-text-dim)}.par-status.at-par{color:var(--color-success);font-weight:600}.letter-grid-container{display:flex;flex-direction:column;align-items:center;touch-action:none;user-select:none;-webkit-user-select:none}.letter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--cell-gap);width:var(--grid-size);height:var(--grid-size);touch-action:none}.grid-cell{display:flex;align-items:center;justify-content:center;position:relative;background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--border-radius);cursor:pointer;transition:all .15s ease;touch-action:none}.grid-cell:hover{background:var(--color-surface-hover);border-color:var(--color-accent-dim)}.grid-cell.in-path{background:var(--color-accent-dim);border-color:var(--color-accent);transform:scale(1.05)}.cell-letter{font-size:2rem;font-weight:700;letter-spacing:0;text-transform:uppercase;pointer-events:none}.cell-index{position:absolute;top:4px;right:6px;font-size:.65rem;font-weight:600;color:var(--color-accent);font-family:var(--font-mono);pointer-events:none}.current-word{margin-top:12px;font-size:1.3rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent);min-height:1.6em;font-family:var(--font-mono)}.grid-area{display:flex;justify-content:center}.grid-area.feedback-valid .letter-grid-container{animation:flash-valid .4s ease}.grid-area.feedback-invalid .letter-grid-container{animation:shake .4s ease}.grid-area.feedback-anchor .letter-grid-container{animation:anchor-glow 1.5s ease}@keyframes flash-valid{0%,to{opacity:1}50%{opacity:.7;filter:brightness(1.3) hue-rotate(-10deg)}}@keyframes anchor-glow{0%{filter:brightness(1) drop-shadow(0 0 0 transparent)}15%{filter:brightness(1.4) drop-shadow(0 0 20px rgba(255,215,0,.8))}30%{filter:brightness(1.1) drop-shadow(0 0 10px rgba(255,215,0,.5))}50%{filter:brightness(1.3) drop-shadow(0 0 25px rgba(255,215,0,.9))}70%{filter:brightness(1.1) drop-shadow(0 0 15px rgba(255,215,0,.6))}to{filter:brightness(1) drop-shadow(0 0 0 transparent)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.game-panels{display:flex;flex-direction:column;gap:12px}.word-list{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:16px}.word-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.word-list-header h3{font-size:.95rem;font-weight:600}.word-count{font-family:var(--font-mono);font-size:.85rem;color:var(--color-accent);font-weight:600}.word-list-progress{height:4px;background:var(--color-border);border-radius:2px;overflow:hidden;margin-bottom:12px}.word-list-progress-bar{height:100%;background:var(--color-accent);border-radius:2px;transition:width .4s ease}.word-length-groups{display:flex;flex-direction:column;gap:8px;max-height:200px;overflow-y:auto}.word-length-group{display:flex;flex-direction:column;gap:4px}.word-length-label{font-size:.75rem;color:var(--color-text-dim);font-weight:600;text-transform:uppercase;letter-spacing:.03em}.word-length-words{display:flex;flex-wrap:wrap;gap:6px}.found-word{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:#4a9eff1a;border:1px solid rgba(74,158,255,.2);border-radius:6px;font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.02em}.found-word.anchor-word{background:#ffd7001f;border-color:#ffd7004d;color:var(--color-anchor)}.word-points{font-size:.65rem;color:var(--color-text-dim);font-family:var(--font-mono)}.unfound-word{display:inline-block;padding:2px 8px;background:var(--color-border);border-radius:6px;font-size:.8rem;color:var(--color-text-dim);letter-spacing:.15em;font-family:var(--font-mono)}.help-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;animation:fade-in .3s ease}.help-modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:24px;max-width:420px;width:100%;max-height:80dvh;overflow-y:auto;animation:slide-up .3s ease}.help-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.help-title{font-size:1.3rem;font-weight:700}.help-close-button{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:none;border:none;color:var(--color-text-dim);font-size:1rem;cursor:pointer;border-radius:var(--border-radius-sm);transition:all .2s}.help-close-button:hover{background:var(--color-surface-hover);color:var(--color-text)}.help-content{display:flex;flex-direction:column;gap:16px}.help-section h3{font-size:.95rem;font-weight:600;margin-bottom:4px}.help-section p{font-size:.85rem;color:var(--color-text-dim);line-height:1.6}.help-about{border-top:1px solid var(--color-border);padding-top:16px}.help-link{color:var(--color-accent);text-decoration:none;transition:opacity .2s}.help-link:hover{opacity:.8;text-decoration:underline}.help-footer{display:flex;justify-content:center;margin-top:20px}.completion-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;animation:fade-in .3s ease}.completion-modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:32px;text-align:center;max-width:360px;width:100%;animation:slide-up .3s ease}.completion-emoji{font-size:3rem;margin-bottom:12px}.completion-title{font-size:1.5rem;font-weight:700;margin-bottom:20px}.completion-stats{display:flex;justify-content:center;gap:24px;margin-bottom:24px;flex-wrap:wrap}.stat{display:flex;flex-direction:column;align-items:center}.stat-value{font-size:1.3rem;font-weight:700;font-family:var(--font-mono);color:var(--color-accent)}.stat-label{font-size:.7rem;color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.03em}.completion-actions{display:flex;gap:12px;justify-content:center}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-up{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.btn{padding:10px 24px;border-radius:var(--border-radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;border:1px solid transparent;font-family:var(--font-main)}.btn-primary{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.btn-primary:hover{background:var(--color-accent-dim)}.btn-secondary{background:var(--color-surface-hover);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-border)}.anchor-banner{display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 24px;background:linear-gradient(135deg,#ffd70026,#ffa50026);border:2px solid var(--color-anchor);border-radius:var(--border-radius);text-align:center;animation:anchor-banner-entrance .5s ease,anchor-banner-pulse 1s ease .5s 2;box-shadow:0 0 20px #ffd70033}.anchor-banner-emoji{font-size:2rem;line-height:1}.anchor-banner-text{font-size:1.1rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--color-anchor)}.anchor-banner-points{font-size:1.4rem;font-weight:700;font-family:var(--font-mono);color:var(--color-anchor);text-shadow:0 0 10px rgba(255,215,0,.5)}@keyframes anchor-banner-entrance{0%{opacity:0;transform:scale(.8) translateY(-10px)}60%{transform:scale(1.05) translateY(0)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes anchor-banner-pulse{0%,to{box-shadow:0 0 20px #ffd70033}50%{box-shadow:0 0 30px #ffd70066}}.bonus-banner{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 24px;background:linear-gradient(135deg,#8a2be22e,#4a9eff2e);border:2px solid #a855f7;border-radius:var(--border-radius);text-align:center;animation:bonus-banner-entrance .5s ease,bonus-banner-pulse 1s ease .5s 2;box-shadow:0 0 20px #a855f740}.bonus-banner-title{font-size:1.1rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:#c084fc;text-shadow:0 0 8px rgba(192,132,252,.4)}.bonus-banner-list{display:flex;flex-direction:column;gap:2px;width:100%}.bonus-banner-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:2px 0}.bonus-banner-label{font-size:.9rem;font-weight:600;color:var(--color-text)}.bonus-banner-points{font-size:1.1rem;font-weight:700;font-family:var(--font-mono);color:#c084fc;text-shadow:0 0 8px rgba(192,132,252,.4)}.bonus-banner-item.bonus-milestone .bonus-banner-points{color:#34d399;text-shadow:0 0 8px rgba(52,211,153,.4)}.bonus-banner-item.bonus-length_group .bonus-banner-points{color:#60a5fa;text-shadow:0 0 8px rgba(96,165,250,.4)}@keyframes bonus-banner-entrance{0%{opacity:0;transform:scale(.8) translateY(-10px)}60%{transform:scale(1.05) translateY(0)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes bonus-banner-pulse{0%,to{box-shadow:0 0 20px #a855f740}50%{box-shadow:0 0 35px #a855f773}}.word-length-group.group-complete .word-length-label{color:var(--color-success)}.group-bonus-badge{display:inline-block;margin-left:6px;padding:1px 6px;background:#4caf5026;border:1px solid rgba(76,175,80,.3);border-radius:4px;font-size:.65rem;font-weight:700;font-family:var(--font-mono);color:var(--color-success);letter-spacing:0;text-transform:none}.completion-bonus-breakdown{display:flex;flex-direction:column;gap:4px;background:#ffffff0a;border:1px solid var(--color-border);border-radius:var(--border-radius-sm);padding:12px 16px;margin-bottom:20px;text-align:left;font-size:.8rem}.completion-bonus-header{font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text);margin-bottom:4px}.completion-bonus-base,.completion-bonus-row{display:flex;justify-content:space-between;color:var(--color-text-dim)}.completion-bonus-value{color:var(--color-success);font-weight:600;font-family:var(--font-mono)}.completion-bonus-total{display:flex;justify-content:space-between;border-top:1px solid var(--color-border);padding-top:4px;margin-top:4px;font-weight:700;color:var(--color-accent);font-family:var(--font-mono)}.found-word.anchor-word .anchor-icon{font-size:.75rem}.found-word.anchor-word .word-points{color:var(--color-anchor);font-weight:700}.game-actions{display:flex;justify-content:center;gap:12px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-dim)}@media(min-width:768px){.app{max-width:600px}.game-panels{flex-direction:row}.game-panels>*{flex:1}}
