:root{--bg:#fff;--bg-card:#f7f7f5;--bg-tile:#efefe6;--bg-tile-hover:#e2e2d8;--bg-tile-selected:#5a594e;--text-tile-selected:#fff;--text:#111;--text-muted:#666;--text-faint:#999;--border:#dcdcd4;--btn-border:#000;--btn-primary-bg:#000;--btn-primary-text:#fff;--btn-secondary-bg:#fff;--btn-secondary-text:#111;--btn-disabled-bg:#e6e6df;--btn-disabled-text:#8e8e88;--btn-disabled-border:#ccc;--sheet-bg:#fff;--sheet-backdrop:#00000073;--color-yellow:#f9df6d;--color-green:#a0c35a;--color-blue:#b0c4ef;--color-purple:#ba81c5;--toast-bg:#111;--toast-text:#fff;--mistake-dot:#5a594e;--mistake-empty:#dcdcd4}[data-theme=dark]{--bg:#121213;--bg-card:#1e1e20;--bg-tile:#3a3a3c;--bg-tile-hover:#48484a;--bg-tile-selected:#a3a39e;--text-tile-selected:#121213;--text:#f8f8f8;--text-muted:#a0a0a5;--text-faint:#636366;--border:#2c2c2e;--btn-border:#fff;--btn-primary-bg:#fff;--btn-primary-text:#121213;--btn-secondary-bg:#2c2c2e;--btn-secondary-text:#f8f8f8;--btn-disabled-bg:#2a2a2c;--btn-disabled-text:#545458;--btn-disabled-border:#3a3a3c;--sheet-bg:#1c1c1e;--sheet-backdrop:#000000b3;--color-yellow:#d8be4d;--color-green:#7e9f3d;--color-blue:#7592cf;--color-purple:#9a64a7;--toast-bg:#f8f8f8;--toast-text:#121213;--mistake-dot:#e5e5ea;--mistake-empty:#3a3a3c}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#121213;--bg-card:#1e1e20;--bg-tile:#3a3a3c;--bg-tile-hover:#48484a;--bg-tile-selected:#a3a39e;--text-tile-selected:#121213;--text:#f8f8f8;--text-muted:#a0a0a5;--text-faint:#636366;--border:#2c2c2e;--btn-border:#fff;--btn-primary-bg:#fff;--btn-primary-text:#121213;--btn-secondary-bg:#2c2c2e;--btn-secondary-text:#f8f8f8;--btn-disabled-bg:#2a2a2c;--btn-disabled-text:#545458;--btn-disabled-border:#3a3a3c;--sheet-bg:#1c1c1e;--sheet-backdrop:#000000b3;--color-yellow:#d8be4d;--color-green:#7e9f3d;--color-blue:#7592cf;--color-purple:#9a64a7;--toast-bg:#f8f8f8;--toast-text:#121213;--mistake-dot:#e5e5ea;--mistake-empty:#3a3a3c}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg);color:var(--text);-webkit-user-select:none;user-select:none;flex-direction:column;min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;display:flex;overflow-x:hidden}#app{flex-direction:column;flex:1;width:100%;max-width:580px;margin:0 auto;padding:0 16px 20px;display:flex;position:relative}.header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:12px;padding:12px 0;display:flex}.header-left,.header-right{align-items:center;gap:8px;display:flex}.header-title-wrap{text-align:center}.header-title{letter-spacing:-.5px;font-family:Georgia,Times New Roman,serif;font-size:20px;font-weight:800}.header-sub{color:var(--text-muted);font-size:12px;font-weight:500}.icon-btn{cursor:pointer;color:var(--text);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;padding:6px;font-size:18px;font-weight:700;transition:background .15s;display:flex}.icon-btn:hover{background-color:var(--bg-card)}.icon-btn:active{transform:scale(.95)}.prompt-banner{text-align:center;color:var(--text);margin:8px 0 14px;font-size:15px;font-weight:500}.solved-categories{flex-direction:column;gap:8px;width:100%;margin-bottom:10px;display:flex}.solved-banner{text-align:center;border-radius:10px;padding:14px 12px;animation:.35s cubic-bezier(.175,.885,.32,1.275) popIn;box-shadow:0 2px 5px #0000000f}.solved-banner.tier-0{background-color:var(--color-yellow);color:#000}.solved-banner.tier-1{background-color:var(--color-green);color:#000}.solved-banner.tier-2{background-color:var(--color-blue);color:#000}.solved-banner.tier-3{background-color:var(--color-purple);color:#000}.solved-banner-title{letter-spacing:.5px;text-transform:uppercase;margin-bottom:4px;font-size:16px;font-weight:800}.solved-banner-words{letter-spacing:.3px;text-transform:uppercase;opacity:.9;font-size:14px;font-weight:500}@keyframes popIn{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.board-grid{grid-template-columns:repeat(4,1fr);gap:8px;width:100%;margin-bottom:18px;display:grid}.word-tile{background-color:var(--bg-tile);color:var(--text);aspect-ratio:1.25;text-align:center;letter-spacing:.3px;text-transform:uppercase;cursor:pointer;word-break:break-word;-webkit-hyphens:auto;hyphens:auto;border:none;border-radius:8px;justify-content:center;align-items:center;padding:6px 4px;font-size:14px;font-weight:700;line-height:1.15;transition:transform .1s,background-color .15s,color .15s;display:flex;box-shadow:0 2px 4px #0000000d}.word-tile:hover{background-color:var(--bg-tile-hover)}.word-tile.selected{background-color:var(--bg-tile-selected);color:var(--text-tile-selected);transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.word-tile:active{transform:scale(.96)}.board-grid.shake{animation:.5s cubic-bezier(.36,.07,.19,.97) both shake}@keyframes shake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(3px)}30%,50%,70%{transform:translate(-4px)}40%,60%{transform:translate(4px)}}.mistakes-wrap{color:var(--text-muted);justify-content:center;align-items:center;gap:8px;margin-bottom:18px;font-size:14px;font-weight:500;display:flex}.mistake-dots{gap:6px;display:flex}.dot{background-color:var(--mistake-dot);border-radius:50%;width:10px;height:10px;transition:transform .2s,background-color .2s}.dot.lost{background-color:var(--mistake-empty);transform:scale(.8)}.controls-wrap{justify-content:center;align-items:center;gap:12px;margin-top:auto;padding-top:10px;display:flex}.btn{cursor:pointer;border:1px solid var(--btn-border);background-color:var(--btn-secondary-bg);color:var(--btn-secondary-text);border-radius:24px;min-height:46px;padding:12px 18px;font-size:15px;font-weight:600;transition:all .15s}.btn:active:not(:disabled){transform:scale(.96)}.btn.primary{background-color:var(--btn-primary-bg);color:var(--btn-primary-text);border-color:var(--btn-primary-bg)}.btn:disabled{background-color:var(--btn-disabled-bg);color:var(--btn-disabled-text);border-color:var(--btn-disabled-border);cursor:not-allowed;opacity:.7}.toast{background-color:var(--toast-bg);color:var(--toast-text);z-index:1000;pointer-events:none;border-radius:20px;padding:10px 18px;font-size:14px;font-weight:700;animation:.25s ease-out toastFade;position:fixed;top:70px;left:50%;transform:translate(-50%);box-shadow:0 4px 12px #00000040}@keyframes toastFade{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}.sheet-backdrop{background-color:var(--sheet-backdrop);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:500;justify-content:center;align-items:flex-end;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}@media (width>=600px){.sheet-backdrop{align-items:center}}.sheet-content{background-color:var(--sheet-bg);color:var(--text);border-radius:20px 20px 0 0;flex-direction:column;width:100%;max-width:540px;max-height:85vh;animation:.25s cubic-bezier(.1,.9,.2,1) slideUp;display:flex;overflow:hidden;box-shadow:0 -4px 20px #0003}@media (width>=600px){.sheet-content{border-radius:20px;max-height:80vh}}.sheet-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.sheet-title{font-size:18px;font-weight:700}.sheet-close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px;font-size:22px}.sheet-body{flex:1;padding:20px;overflow-y:auto}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}.tabs-wrap{background-color:var(--bg-card);border-radius:10px;gap:2px;margin-bottom:14px;padding:3px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:8px 4px;font-size:14px;font-weight:600;transition:all .15s}.tab-btn.active{background-color:var(--bg);color:var(--text);box-shadow:0 1px 3px #0000001a}.subtabs-wrap{border-bottom:1px solid var(--border);gap:8px;margin-bottom:14px;padding-bottom:8px;display:flex;overflow-x:auto}.subtab-pill{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border-radius:16px;padding:5px 12px;font-size:13px;font-weight:600}.subtab-pill.active{background-color:var(--btn-primary-bg);color:var(--btn-primary-text);border-color:var(--btn-primary-bg)}.lb-list{flex-direction:column;gap:6px;display:flex}.lb-row{background-color:var(--bg-card);border-radius:10px;align-items:center;gap:12px;padding:10px 12px;font-size:14px;display:flex}.lb-row.you{border:2px solid var(--btn-border);background-color:var(--bg-tile)}.lb-rank{text-align:center;width:26px;color:var(--text-muted);font-weight:700}.lb-user-info{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.lb-avatar{object-fit:cover;background-color:var(--border);border-radius:50%;width:32px;height:32px}.lb-name{white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.lb-stats{text-align:right;font-weight:700}.lb-substat{color:var(--text-muted);font-size:11px;font-weight:500}.help-section{margin-bottom:18px}.help-section h4{margin-bottom:8px;font-size:15px;font-weight:700}.help-list{flex-direction:column;gap:6px;padding-left:20px;font-size:14px;line-height:1.45;display:flex}.example-box{background-color:var(--bg-card);border-radius:12px;margin-top:10px;padding:14px}.example-grid{flex-direction:column;gap:6px;margin-top:8px;display:flex}.example-card{color:#000;border-radius:8px;padding:10px;font-size:13px;font-weight:600}.example-card strong{margin-bottom:2px;font-size:14px;font-weight:800;display:block}.results-card{text-align:center;padding:16px 0}.results-verdict{margin-bottom:6px;font-family:Georgia,serif;font-size:26px;font-weight:800}.results-sub{color:var(--text-muted);margin-bottom:18px;font-size:14px}.results-grid-visual{flex-direction:column;gap:6px;max-width:140px;margin:14px auto 20px;display:flex}.results-grid-row{justify-content:center;gap:6px;display:flex}.color-square{border-radius:4px;width:24px;height:24px}.color-square.yellow{background-color:var(--color-yellow)}.color-square.green{background-color:var(--color-green)}.color-square.blue{background-color:var(--color-blue)}.color-square.purple{background-color:var(--color-purple)}.profile-card{align-items:center;gap:14px;margin-bottom:20px;display:flex}.profile-avatar{object-fit:cover;background-color:var(--border);border-radius:50%;width:56px;height:56px}.profile-name{font-size:18px;font-weight:700}.stats-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px;display:grid}.stat-box{background-color:var(--bg-card);text-align:center;border-radius:10px;padding:12px 8px}.stat-val{margin-bottom:2px;font-size:20px;font-weight:800}.stat-lbl{color:var(--text-muted);text-transform:uppercase;font-size:11px;font-weight:600}