:root{--color-bg: #050d0a;--color-bg-tint: #0a1812;--color-surface: #0f1a14;--color-surface-hover: #15241c;--color-border: #1f3329;--color-text: #e8f5ec;--color-text-dim: #7a9588;--color-accent: #00d97e;--color-accent-dim: #00a85e;--color-accent-2: #ffc94d;--color-accent-2-dim: #c99830;--color-success: #5ee8a1;--color-error: #ff5577;--color-warning: #ffb74d;--color-anchor: #ffd84d;--color-beginning: #5ee8a1;--color-intermediate: #ffd84d;--color-advanced: #ff8e3c;--color-master: #ff5577;--glow-accent: 0 0 12px rgba(0, 217, 126, .28);--glow-accent-soft: 0 0 8px rgba(0, 217, 126, .18);--glow-accent-2: 0 0 12px rgba(255, 201, 77, .28);--glow-anchor: 0 0 14px rgba(255, 216, 77, .3);--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:radial-gradient(ellipse at top,var(--color-bg-tint) 0%,transparent 55%),radial-gradient(ellipse at bottom,rgba(0,217,126,.035) 0%,transparent 60%),var(--color-bg);background-attachment:fixed;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:800;letter-spacing:.12em;text-transform:uppercase;background:linear-gradient(135deg,var(--color-accent) 0%,#5ee8a1 40%,var(--color-accent-2) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 10px rgba(0,217,126,.35))}.back-button{background:none;border:none;color:var(--color-accent-2);font-size:.9rem;cursor:pointer;padding:4px 8px;border-radius:var(--border-radius-sm);transition:background .2s,text-shadow .2s}.back-button:hover{background:var(--color-surface);text-shadow:0 0 8px rgba(255,201,77,.5)}.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-2);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-2);box-shadow:var(--glow-accent-2)}.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-2-dim);transform:translateY(-1px);box-shadow:0 0 14px #ffc94d33}.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:#fff;font-weight:600;box-shadow:var(--glow-accent-soft)}.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:#5ee8a11f;border:1px solid rgba(94,232,161,.3);color:var(--color-beginning);text-shadow:0 0 6px rgba(94,232,161,.4)}.difficulty-intermediate{background:#ffc94d1f;border:1px solid rgba(255,201,77,.3);color:var(--color-intermediate);text-shadow:0 0 6px rgba(255,201,77,.4)}.difficulty-advanced{background:#ff8e3c1f;border:1px solid rgba(255,142,60,.3);color:var(--color-advanced);text-shadow:0 0 6px rgba(255,142,60,.4)}.difficulty-master{background:#ff55771f;border:1px solid rgba(255,85,119,.3);color:var(--color-master);text-shadow:0 0 6px rgba(255,85,119,.4)}.game-view{display:flex;flex-direction:column;gap:16px}.puzzle-info-bar{text-align:center}.puzzle-info-title{font-size:1.15rem;font-weight:700;margin-bottom:4px;background:linear-gradient(135deg,var(--color-accent-2) 0%,#5ee8a1 50%,var(--color-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 8px 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#ffc94d0a}.score-display{text-align:center;min-width:60px}.score-value{font-size:1.5rem;font-weight:700;color:var(--color-accent-2);font-family:var(--font-mono);text-shadow:var(--glow-accent-2)}.score-label{font-size:.7rem;color:var(--color-accent-2);opacity:.75;text-transform:uppercase;letter-spacing:.08em}.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-accent-2));border-radius:4px;box-shadow:0 0 10px #ffc94d2e;transition:width .4s 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60%);filter:blur(28px);pointer-events:none;z-index:-1}.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:linear-gradient(160deg,#00d97e0f,#ffc94d0f),var(--color-surface);border:2px solid var(--color-border);border-radius:var(--border-radius);cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .15s ease,box-shadow .2s ease;touch-action:none}.grid-cell:nth-child(odd){border-color:#ffc94d59;box-shadow:0 0 14px #ffc94d0d,inset 0 0 20px #ffc94d08}.grid-cell:nth-child(2n){border-color:#00d97e59;box-shadow:0 0 14px #00d97e0d,inset 0 0 20px #00d97e08}.grid-cell:hover{background:var(--color-surface-hover);border-color:var(--color-accent-2);box-shadow:0 0 18px #ffc94d26}.grid-cell.in-path{background:linear-gradient(135deg,var(--color-accent-dim),#075d3e);border-color:var(--color-accent-2);transform:scale(1.05);box-shadow:var(--glow-accent),inset 0 0 8px #ffc94d26}.cell-letter{font-size:2rem;font-weight:800;letter-spacing:0;text-transform:uppercase;pointer-events:none;color:var(--color-text);transition:text-shadow .15s ease}.grid-cell:nth-child(odd) .cell-letter{text-shadow:0 0 14px rgba(255,201,77,.25)}.grid-cell:nth-child(2n) .cell-letter{text-shadow:0 0 14px rgba(0,217,126,.25)}.grid-cell.in-path .cell-letter{color:#fff;text-shadow:0 0 10px rgba(255,201,77,.4),0 0 18px rgba(0,217,126,.25)}.cell-index{position:absolute;top:4px;right:6px;font-size:.65rem;font-weight:600;color:var(--color-accent-2);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);text-shadow:var(--glow-accent-soft)}.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:linear-gradient(135deg,#ffc94d0f,#00d97e0f),var(--color-surface);border:1px solid rgba(0,217,126,.18);border-radius:var(--border-radius);padding:16px;box-shadow:0 0 14px #00d97e08}.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-2);font-weight:600;text-shadow:0 0 6px 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rgba(255,201,77,.18)}.found-word.anchor-word{background:#ffd84d1f;border-color:#ffd84d66;color:var(--color-anchor);text-shadow:var(--glow-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:#ffc94d0a;border:1px dashed rgba(255,201,77,.25);border-radius:6px;font-size:.8rem;color:#ffc94d66;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 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.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-2);text-shadow:var(--glow-accent-2)}.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 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#00d97e12}.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,.25)}@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 #ffd7001a}50%{box-shadow:0 0 30px #ffd70033}}.bonus-banner{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 24px;background:linear-gradient(135deg,#ff557729,#ff8e3c2e);border:2px solid #ff8e3c;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 #ff8e3c24}.bonus-banner-title{font-size:1.1rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:#ffb074;text-shadow:0 0 8px rgba(255,142,60,.2)}.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:#ff8e3c;text-shadow:0 0 8px rgba(255,142,60,.2)}.bonus-banner-item.bonus-milestone .bonus-banner-points{color:#5ee8a1;text-shadow:0 0 8px rgba(94,232,161,.2)}.bonus-banner-item.bonus-length_group .bonus-banner-points{color:#ffd84d;text-shadow:0 0 8px rgba(255,216,77,.2)}@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 #ff8e3c24}50%{box-shadow:0 0 35px #ff8e3c40}}.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}}