:root {--bg:#071018;--panel:#0b1b22;--card:#0d2530;--accent:#ffd866;--muted:#b5b6b2;--glass:rgba(255,255,255,0.03);--pg:linear-gradient(180deg,rgba(255,255,255,0.025),rgba(255,255,255,0.01));--found-bg:rgba(255,255,255,0.03);--success:#4dd0a8;--danger:#ff6b6b;--btn-text:#071018;--text:#e6eef6;--border:rgba(255,255,255,0.06);--input-border:rgba(255,255,255,0.06);--font-scale:1;}.theme-light {--bg:#f7f7f9;--panel:#fff;--card:#fff;--accent:#0b6b3a;--muted:#3a4750;--glass:rgba(0,0,0,0.04);--pg:linear-gradient(180deg,rgba(0,0,0,0.04),rgba(0,0,0,0.02));--found-bg:rgba(0,0,0,0.04);--btn-text:#fff;--text:#072018;--border:rgba(0,0,0,0.08);--input-border:rgba(0,0,0,0.1);}.theme-sepia {--bg:#fbf3e9;--panel:#fff7f0;--card:#fff1e1;--accent:#7a4b00;--muted:#4a3c2f;--glass:rgba(0,0,0,0.04);--pg:linear-gradient(180deg,rgba(0,0,0,0.04),rgba(0,0,0,0.02));--found-bg:rgba(0,0,0,0.04);--btn-text:#fff;--text:#2f240e;--border:rgba(0,0,0,0.08);--input-border:rgba(0,0,0,0.1);}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:calc(1rem * var(--font-scale));min-height:100vh;padding:20px;display:flex;flex-direction:column;align-items:center;overflow-x:hidden;}header{width:100%;max-width:1300px;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:10px;margin-bottom:28px;}.header-brand h1{font-size:1.2rem;display:flex;align-items:center;gap:8px;}.header-brand h1 a{color:var(--text);text-decoration:none;display:flex;align-items:center;gap:8px;}.header-logo{width:30px;height:auto;background-color:var(--text);}.header-sub{font-size:0.82rem;color:var(--muted);margin-top:4px;}.meta{display:none;gap:8px;align-items:center;flex-wrap:wrap;}.meta .small{font-size:0.85rem;color:var(--muted);}.settings-gear{background:transparent;border:none;color:var(--muted);font-size:1.2rem;cursor:pointer;}.panel{background:var(--pg);border-radius:12px;box-shadow:0 8px 30px rgba(2,6,23,0.5);border:1px solid var(--border);}.btn{background:var(--accent);color:var(--btn-text);border:none;padding:10px 14px;border-radius:10px;cursor:pointer;font-weight:700;font-size:0.9rem;transition:opacity .2s,transform .15s;}.btn:hover{opacity:.9;transform:translateY(-1px);}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--input-border);}.btn.ghost:hover{border-color:var(--accent);color:var(--accent);}.entry{padding:10px 12px;border-radius:10px;border:1px solid var(--input-border);outline:none;background:var(--card);color:var(--text);font-size:0.95rem;}.small{font-size:0.85rem;color:var(--muted);}.status-bar{margin-top:10px;font-size:0.88rem;color:var(--muted);min-height:22px;}.status-bar.warn{color:var(--danger);}.status-bar.ok{color:var(--success);}.container{width:100%;max-width:1300px;display:grid;grid-template-columns:1fr 300px;gap:18px;flex:1;}#landingSection{width:100%;}.landing-shell{width:min(1080px,100%);margin:0 auto;display:flex;flex-direction:column;gap:26px;}.hero{display:grid;grid-template-columns:1fr 400px;gap:28px;padding:clamp(24px,5vw,52px);border-radius:18px;border:1px solid var(--border);background:linear-gradient(135deg,rgba(255,216,102,.12),transparent 34%), linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));}.hero-left{display:flex;flex-direction:column;justify-content:center;gap:14px;}.kicker{color:var(--accent);font-weight:800;text-transform:uppercase;font-size:.74rem;letter-spacing:.08rem;}.hero-left h2{font-size:clamp(2rem,4.5vw,3.8rem);line-height:.98;margin:0;}.hero-left p{color:var(--muted);font-size:1rem;line-height:1.6;max-width:560px;}.hero-ctas{display:flex;gap:10px;align-items:center;}.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}.hero-pills span{border:1px solid var(--border);background:rgba(255,255,255,.04);border-radius:999px;padding:6px 12px;color:var(--muted);font-weight:700;font-size:.85rem;}.hero-card{background:var(--pg);border:1px solid var(--border);border-radius:16px;padding:20px;min-height:280px;box-shadow:0 20px 50px rgba(0,0,0,.3);display:flex;flex-direction:column;gap:16px;}.hero-card-top{display:flex;justify-content:space-between;align-items:flex-start;}.demo-letter{font-size:4rem;font-weight:900;color:var(--accent);line-height:1;letter-spacing:-.02em;}.demo-score-wrap .small{text-align:right;}.demo-score-wrap strong{display:block;color:var(--accent);font-size:2rem;}.demo-alphabet{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;}.demo-tile{background:rgba(255,255,255,.07);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-weight:700;font-size:.95rem;cursor:pointer;color:var(--accent);min-width:36px;text-align:center;transition:background .15s,transform .15s;}.demo-tile:hover{background:rgba(255,216,102,.2);transform:translateY(-1px);}.demo-typed{font-size:1.3rem;font-weight:800;letter-spacing:.1rem;min-height:32px;color:var(--text);}.demo-msg{font-size:.85rem;min-height:20px;}.landing-flow{display:flex;flex-direction:column;gap:22px;}.landing-section{padding:clamp(20px,4vw,34px);border-radius:16px;border:1px solid var(--border);background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));}.landing-section h3{font-size:clamp(1.3rem,3vw,2rem);margin-bottom:10px;}.landing-section p{color:var(--muted);line-height:1.65;}.example-flow{margin-top:20px;padding:20px;border-radius:14px;border:1px solid var(--border);background:rgba(0,0,0,.12);display:flex;flex-wrap:wrap;align-items:center;gap:12px;}.ef-letter{font-size:2.8rem;font-weight:900;color:var(--accent);}.ef-arrow{color:var(--muted);font-size:.82rem;text-transform:uppercase;}.ef-words{display:flex;flex-wrap:wrap;gap:8px;}.ef-words span{background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-weight:700;font-size:.9rem;}.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px;}.feature{padding:14px 16px;border-radius:12px;background:rgba(255,255,255,.025);border:1px solid var(--border);}.feature .fi{font-size:1.4rem;margin-bottom:8px;}.feature h4{font-size:.95rem;margin-bottom:4px;}.feature p{font-size:.85rem;color:var(--muted);line-height:1.5;}.usecases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px;}.usecase-item{padding:14px;border-radius:10px;border:1px solid var(--border);background:rgba(255,255,255,.025);}.usecase-item h5{margin-bottom:6px;font-size:.95rem;}.usecase-item p{font-size:.85rem;color:var(--muted);line-height:1.5;}.faq-entry{border-radius:10px;background:var(--found-bg);overflow:hidden;margin-bottom:8px;transition:transform .2s;}.faq-entry:hover{transform:translateY(-1px);}.faq-trigger{background:transparent;border:none;width:100%;text-align:left;padding:12px 16px;font-size:.95rem;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;}.faq-trigger::after{content:'▾';transition:transform .3s;}.faq-trigger[aria-expanded="true"]::after{transform:rotate(180deg);}.faq-answer{display:none;padding:0 16px 12px;font-size:.9rem;color:var(--muted);}.faq-answer[aria-hidden="false"]{display:block;}#gameSection{width:100%;display:none;}.game-wrap{width:100%;max-width:1300px;}.game-main{padding:18px;}.letter-picker-wrap{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}.letter-picker-label{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);}.prefix-input-row{display:flex;gap:8px;align-items:center;}.prefix-entry{flex:1;min-width:0;font-size:1rem;font-weight:700;letter-spacing:.05em;text-transform:lowercase;}.prefix-quickpick-label{font-size:.75rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.06em;}.letter-picker{display:flex;flex-wrap:wrap;gap:6px;}.lp-tile{min-width:38px;height:38px;background:var(--glass);border:1px solid var(--border);border-radius:8px;font-weight:800;font-size:.95rem;cursor:pointer;color:var(--text);text-align:center;line-height:36px;transition:background .15s,transform .15s,border-color .15s;user-select:none;}.lp-tile:hover{background:rgba(255,216,102,.12);border-color:rgba(255,216,102,.4);}.lp-tile.selected{background:rgba(255,216,102,.25);border-color:var(--accent);color:var(--accent);transform:scale(1.08);}.active-letter-bar{display:flex;align-items:center;gap:14px;margin-bottom:18px;padding:14px 18px;border-radius:12px;border:1px solid rgba(255,216,102,.25);background:rgba(255,216,102,.07);}.active-letter-bar.hidden{display:none;}.al-char{font-size:3rem;font-weight:900;color:var(--accent);line-height:1;}.al-info{display:flex;flex-direction:column;gap:4px;}.al-title{font-size:1rem;font-weight:700;}.al-sub{font-size:.82rem;color:var(--muted);}.keyboard-section{margin-bottom:16px;}.keyboard-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:10px;}.key{height:44px;border-radius:8px;background:var(--glass);border:1px solid var(--border);font-weight:700;font-size:1rem;color:var(--text);cursor:pointer;text-align:center;line-height:42px;user-select:none;transition:background .12s,transform .12s,opacity .12s;flex-shrink:0;}.key:hover:not(.used):not(.disabled){background:rgba(255,255,255,.12);transform:translateY(-1px);}.key.used{opacity:.35;transform:scale(.94);}.key.disabled{opacity:.4;cursor:not-allowed;}.key.kb-focus{outline:2px solid var(--accent);outline-offset:2px;background:rgba(255,216,102,.15);}.keyboard-alpha{display:flex;flex-wrap:wrap;gap:6px;}.keyboard-alpha .key{min-width:40px;width:calc((100% - 25*6px) / 26);}.keyboard-qwerty{display:flex;flex-direction:column;gap:6px;align-items:center;}.qwerty-row{display:flex;gap:6px;justify-content:center;}.keyboard-qwerty .key{width:clamp(32px, calc(9vw - 4px), 52px);min-width:32px;}@media (max-width:900px){.keyboard-alpha .key{min-width:36px;width:calc((100% - 25*5px) / 26);font-size:.9rem;height:40px;line-height:38px;}.keyboard-alpha{gap:5px;}.keyboard-qwerty .key{width:clamp(28px, calc(8.5vw - 3px), 48px);height:40px;line-height:38px;font-size:.9rem;}.qwerty-row{gap:5px;}}@media (max-width:600px){.keyboard-alpha .key{min-width:0;width:calc((100% - 12*4px) / 13);font-size:.8rem;height:38px;line-height:36px;}.keyboard-alpha{gap:4px;}.keyboard-qwerty .key{width:clamp(24px, 8vw, 40px);height:38px;line-height:36px;font-size:.85rem;}.qwerty-row{gap:4px;}}@media (max-width:400px){.keyboard-alpha .key{font-size:.72rem;height:34px;line-height:32px;}.keyboard-qwerty .key{width:clamp(22px,7.5vw,36px);height:34px;line-height:32px;font-size:.78rem;}}.builder-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-height:54px;padding:8px;border-radius:12px;border:1px dashed rgba(255,255,255,.14);background:rgba(0,0,0,.1);margin-bottom:12px;}.builder-wrap.locked{border-color:rgba(255,107,107,.35);}.builder-placeholder{color:var(--muted);padding:0 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rgba(255,216,102,.24);background:rgba(255,216,102,.07);}.timer-bar.hidden{display:none;}.timer-bar.ended{border-color:rgba(255,107,107,.35);background:rgba(255,107,107,.07);}#timerDisplay{color:var(--accent);font-size:1.4rem;font-weight:800;}.found-section{margin-top:14px;}.found-section h4{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px;}.found-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:7px;list-style:none;max-height:160px;overflow-y:auto;}.found-list li{background:var(--found-bg);padding:7px 10px;border-radius:8px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:.88rem;border:1px solid var(--border);transition:border-color .15s;}.found-list li:hover{border-color:rgba(255,216,102,.3);}.found-pts{font-size:.75rem;color:var(--accent);font-weight:700;}.hud{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;}.hud-item{font-size:.82rem;color:var(--muted);}.hud-item strong{color:var(--text);}.right-panel{display:flex;flex-direction:column;gap:12px;}.card{background:var(--pg);border:1px solid var(--border);border-radius:12px;padding:14px;}.card h3{font-size:1rem;font-weight:700;margin-bottom:6px;}.wc-phonetic{font-size:.82rem;color:var(--muted);}.wc-pos span{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--found-bg);color:var(--muted);font-size:.82rem;margin-top:6px;}.wc-def{margin-top:8px;font-size:.9rem;max-height:80px;overflow:auto;line-height:1.5;}.wc-ex{margin-top:6px;font-size:.82rem;color:var(--muted);}.vocab-item{display:flex;justify-content:space-between;align-items:center;padding:7px;margin-bottom:6px;border-radius:8px;background:var(--found-bg);font-size:.85rem;}.vocab-panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;}.vocab-toggle-btn{background:transparent;border:1px solid var(--input-border);color:var(--muted);padding:3px 10px;border-radius:20px;cursor:pointer;font-size:.78rem;font-weight:600;transition:all .2s;}.vocab-toggle-btn:hover{border-color:var(--accent);color:var(--accent);}.vocab-toggle-btn.active{background:var(--accent);color:var(--btn-text);border-color:var(--accent);}.right-panel.collapsed 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.s-track::after{transform:translateX(18px);}.s-slider-wrap{display:flex;align-items:center;gap:8px;}.s-slider-val{font-size:.8rem;color:var(--muted);min-width:30px;text-align:right;}.s-slider{-webkit-appearance:none;appearance:none;width:110px;height:4px;border-radius:2px;background:rgba(255,255,255,.15);outline:none;cursor:pointer;}.s-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;}.font-size-preview{background:rgba(255,255,255,.03);border-radius:10px;padding:10px 14px;text-align:center;font-weight:700;color:var(--accent);margin-top:8px;}.settings-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;}.community-banner{width:100%;max-width:1300px;margin:28px auto 0;padding:0;}.community-inner{display:flex;align-items:center;gap:0;border-radius:14px;overflow:hidden;border:1px solid var(--border);background:linear-gradient(135deg,rgba(255,216,102,.06),transparent 50%,rgba(77,208,168,.05));}.community-note{flex:1;padding:20px 26px;display:flex;flex-direction:column;gap:8px;}.community-badge{display:inline-block;background:rgba(255,216,102,.15);color:var(--accent);border:1px solid rgba(255,216,102,.3);border-radius:999px;font-size:.7rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;padding:3px 10px;width:fit-content;}.community-note p{font-size:.86rem;color:var(--muted);line-height:1.55;max-width:400px;}.community-divider{width:1px;align-self:stretch;background:var(--border);flex-shrink:0;}.community-contribute{padding:20px 26px;display:flex;flex-direction:column;gap:10px;min-width:260px;}.community-heading{font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);}.community-links{display:flex;flex-wrap:wrap;gap:7px;}.community-link{display:inline-flex;align-items:center;gap:6px;padding:6px 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p{font-size:.83rem;line-height:1.45;}.footer-column ul{list-style:none;padding:0;margin:0;}.footer-column li{margin-bottom:7px;}.footer-column a{color:var(--muted);text-decoration:none;font-size:.83rem;transition:color .2s;}.footer-column a:hover{color:var(--accent);}.copyright{text-align:center;font-size:.83rem;padding-top:10px;border-top:1px solid var(--border);}.fade-in{animation:fadeIn .4s ease;}@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.shake{animation:shake .4s;}@keyframes shake{20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-3px)}80%{transform:translateX(3px)}100%{transform:translateX(0)}}.pop{animation:pop .35s ease;}@keyframes pop{0%{transform:scale(.92);opacity:0}60%{transform:scale(1.06);opacity:1}100%{transform:scale(1)}}@keyframes dropIn{from{opacity:0;transform:translateY(-10px) scale(.92)}to{opacity:1;transform:translateY(0) 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