:root{color-scheme:light;--bg:#f7f8fc;--surface:#fff;--subtle:#eef1f7;--text:#151823;--muted:#596174;--border:#dde2ec;--control:#737d91;--primary:#5865f2;--link:#4652d9;--focus:#4652d9;--danger:#b91c1c;--violet:#8b5cf6;--shadow:0 8px 24px #1518230a}[data-theme=dark]{--link:#a7b0ff;color-scheme:dark;--bg:#090b10;--surface:#11141b;--subtle:#191d27;--text:#edf2ff;--muted:#aeb6cb;--border:#3c4352;--control:#8190ac;--focus:#a78bfa;--danger:#fca5a5;--shadow:none}*{box-sizing:border-box}.interactive-boundary{border:0;min-width:0;margin:0;padding:0}.controls-boundary{flex-wrap:wrap;align-items:center;gap:12px;display:flex}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,Segoe UI,Noto Sans TC,system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--link)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--control);background:var(--surface);min-height:44px;color:var(--text);border-radius:10px;padding:8px 16px;transition:background .18s,border-color .18s}button:hover{background:var(--subtle)}button:disabled{cursor:default;opacity:.65}button.primary{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}button.primary:hover{background:#4652d9}input,select,textarea{background:var(--surface);border:1px solid var(--control);width:100%;min-height:44px;color:var(--text);border-radius:10px;padding:10px 12px}textarea{resize:vertical}label{margin-bottom:12px;font-weight:600;display:block}label input,label select,label textarea{margin-top:8px;display:block}input[type=checkbox]{flex-shrink:0;width:20px;min-height:20px;margin:0}label.check{align-items:center;gap:10px;margin-top:16px;font-size:14px;display:flex}.muted,small{color:var(--muted)}p{margin:8px 0 16px}h1,h2,h3{margin:0 0 12px;line-height:1.3}h1{font-size:clamp(28px,3vw,36px)}h2{font-size:22px}h3{font-size:18px}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.skip-link{background:var(--surface);z-index:10;padding:12px;position:fixed;top:-100px}.skip-link:focus{top:8px}.site-header{background:var(--surface);border-bottom:1px solid var(--border)}.header-inner{flex-wrap:wrap;align-items:center;gap:32px;max-width:1320px;margin:auto;padding:18px 32px;display:flex}.brand{letter-spacing:-.8px;white-space:nowrap;font-size:24px;font-weight:800}.brand span{color:var(--link)}nav{gap:24px;display:flex}nav a[aria-current=page]{color:var(--link);font-weight:700}.site-controls{flex-wrap:wrap;align-items:center;gap:12px;margin-left:auto;font-size:14px;display:flex}.site-controls label{align-items:center;gap:8px;margin:0;font-weight:400;display:flex}.site-controls select{width:auto;margin:0}.site-controls>span:empty{display:none}.site-controls button{border-color:var(--border);font-size:14px}.page-shell{max-width:1320px;margin:auto;padding:40px 32px 64px}.home-title{margin-bottom:24px}.home-title p,.page-heading p{color:var(--muted)}.search-label{font-size:14px}.search{max-width:640px}.filters{flex-wrap:wrap;gap:8px;margin:20px 0 32px;display:flex}.filters button{border-color:var(--border)}.filters button[aria-pressed=true]{background:var(--primary);border-color:var(--primary);color:#fff}section+section{margin-top:32px}.section-heading{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:24px}.card-top{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.tool-icon{background:var(--subtle);width:48px;height:48px;color:var(--link);border-radius:12px;place-items:center;display:grid}.tool-icon.random{color:var(--violet)}.tool-card h3{justify-content:space-between;gap:8px;display:flex}.tool-card h3 span{color:var(--muted)}.tool-card p{color:var(--muted);min-height:46px;font-size:14px}.tool-card small{font-size:12px}.favorite{background:0 0;border:0;min-width:44px;padding:4px;font-size:24px}.favorite[aria-pressed=true]{color:var(--primary)}.tool-card a{display:block}.recent{flex-wrap:wrap;gap:12px;display:flex}.recent a{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 16px}.tool-nav{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.tool-nav details{max-width:70%;position:relative}.tool-nav summary{cursor:pointer;border:1px solid var(--control);background:var(--surface);border-radius:10px;min-height:44px;padding:8px 16px}.tool-nav details nav{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-wrap:wrap;margin-top:8px;padding:16px}.page-heading{margin-bottom:28px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px}.workspace-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:24px;display:grid}.workspace-grid>*{min-width:0}.actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;display:flex}.fields{grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;display:grid}.error{color:var(--danger)}.copy{flex-wrap:wrap;align-items:center;gap:8px;display:inline-flex}.copy>span{font-size:14px}.copy textarea{width:100%}.instructions,.related{border-top:1px solid var(--border);margin-top:40px;padding-top:24px}.instructions p{max-width:70ch}.empty{text-align:center;color:var(--muted);padding:48px 16px}.empty h2{color:var(--text)}.result{overflow-wrap:anywhere;font-size:24px;font-weight:700}.stage{text-align:center}.wheel-wrap{width:300px;max-width:100%;height:300px;margin:16px auto 24px;position:relative}.wheel-disc{border:6px solid var(--surface);outline:1px solid var(--border);border-radius:50%;width:100%;height:100%;transition:transform 2.8s cubic-bezier(.15,.75,.15,1);position:relative}.wheel-label{color:#fff;white-space:nowrap;text-overflow:ellipsis;width:70px;font-size:13px;font-weight:600;line-height:24px;position:absolute;top:calc(50% - 12px);left:calc(50% - 35px);overflow:hidden}.pointer{z-index:2;border-left:13px solid #0000;border-right:13px solid #0000;border-top:28px solid var(--text);position:absolute;top:-10px;left:calc(50% - 13px)}.wheel-center{color:#5865f2;background:#fff;border-radius:50%;place-items:center;width:50px;height:50px;font-size:24px;font-weight:800;display:grid;position:absolute;top:calc(50% - 25px);left:calc(50% - 25px)}.history li,li{overflow-wrap:anywhere}.group-results{text-align:left;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.group-results section{background:var(--subtle);border-radius:12px;margin:0;padding:16px}.group-results label{font-size:14px}.group-results ol{padding-left:24px}.draw-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:12px;margin-top:24px;display:grid}.draw-grid button{overflow-wrap:anywhere;min-height:100px}.ticket-back{color:#fff;background:linear-gradient(135deg,#5865f2,#8b5cf6);border:0;font-size:28px}.revealed:disabled{opacity:1}.coin-layout{grid-template-columns:1fr 1.5fr;gap:32px;display:grid}.coin-options{flex-direction:column;gap:12px;display:flex}.coin-stage{text-align:center;place-items:center;display:grid}.coin-disc{color:#713f12;overflow-wrap:anywhere;background:#ffdf83;border:8px double #b45309;border-radius:50%;place-items:center;width:200px;height:200px;padding:20px;font-size:28px;font-weight:700;display:grid}.flipping{animation:.9s ease-out coin-flip}.stats{flex-wrap:wrap;gap:32px;display:flex}.stats strong{font-size:28px;display:block}.clock-controls{flex-wrap:wrap;align-items:flex-end;gap:16px;display:flex}.clock-controls label{flex:1;min-width:170px;margin:0}.clock-stage{color:#edf2ff;text-align:center;background:#11141b;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;min-height:340px;padding:48px 16px;display:flex}.digits{white-space:nowrap;font-variant-numeric:tabular-nums;font-size:clamp(38px,10vw,128px);font-weight:600;line-height:1.3;display:flex}.digit-pair{display:flex}.colon{padding:0 .08em}.led .digits{color:#b4f9da;text-shadow:0 0 20px #22c55e55;font-family:Consolas,monospace}.led .number{background:repeating-linear-gradient(0deg,#0000 0 3px,#11141b55 3px 5px)}.flip .number{background:linear-gradient(#252b38 49%,#090b10 50%,#252b38 51%);border-radius:10px;padding:0 .05em;animation:.35s ease-out flip-in;position:relative}.clock-stage:fullscreen,.clock-stage.presentation{cursor:pointer;border-radius:0;width:100vw;height:100dvh;margin:0;padding:16px}.clock-stage.presentation{z-index:100;position:fixed;inset:0}.analog-face{border:3px solid #aeb6cb;border-radius:50%;width:240px;height:240px;position:relative}.tick{transform-origin:50% 110px;border-top:10px solid #edf2ff;width:2px;position:absolute;inset:10px 50%}.hand{transform-origin:bottom;background:#edf2ff;border-radius:5px;width:4px;position:absolute;bottom:50%;left:calc(50% - 2px)}.hand.hour{height:64px}.hand.minute{height:90px}.hand.second{background:#a78bfa;width:2px;height:96px}.hand-center{background:#a78bfa;border-radius:50%;width:12px;height:12px;position:absolute;top:calc(50% - 6px);left:calc(50% - 6px)}.browser-controls{grid-template-columns:2fr 1fr;gap:20px;display:grid}.symbol-grid{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:10px;display:grid}.symbol-grid button{border-color:var(--border);min-height:64px;padding:4px;font-size:28px;overflow:hidden}.selection{align-items:center;gap:24px;display:flex}.selected-symbol{font-size:56px}.load-more{margin:24px auto;display:block}.text-results{margin-top:24px}.text-row{border-bottom:1px solid var(--border);justify-content:space-between;gap:24px;margin:0;padding:24px 0;display:flex}.text-row>div{flex:1;min-width:0}.text-row h2{color:var(--muted);font-size:14px}.converted{white-space:pre-wrap;overflow-wrap:anywhere;font-size:24px}.qr-preview{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.qr-image{aspect-ratio:1;color:#596174;background:#fff;place-items:center;width:min(100%,320px);display:grid}.qr-image img{width:100%;height:auto;image-rendering:pixelated}.prose{max-width:42rem;margin:auto}.prose h2{margin-top:32px}.prose a{color:var(--link);text-decoration:underline}.site-footer{border-top:1px solid var(--border);max-width:1320px;color:var(--muted);justify-content:space-between;gap:24px;margin:auto;padding:32px;display:flex}.site-footer .brand{color:var(--text)}@keyframes coin-flip{0%{transform:rotateY(0)}to{transform:rotateY(1800deg)}}@keyframes flip-in{0%{transform:perspective(500px)rotateX(-30deg)}to{transform:perspective(500px)rotateX(0)}}@media (width>=1600px){.tool-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}@media (width<=1023px){.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.header-inner{gap:16px}.site-controls{margin:0}.workspace-grid{grid-template-columns:1fr 1fr}}@media (width<=767px){.header-inner{padding:16px}.header-inner>nav{margin-left:auto}.site-controls{gap:8px;width:100%}.site-controls button{padding:8px}.page-shell{padding:28px 16px 48px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-card{padding:16px}.workspace-grid,.coin-layout{grid-template-columns:1fr}.panel{padding:16px}.browser-controls{grid-template-columns:1fr}.text-row{flex-direction:column;gap:8px}.text-row .copy{align-self:flex-start}.site-footer{flex-wrap:wrap;padding:24px 16px}.wheel-wrap{width:260px;height:260px}.wheel-label{font-size:12px}.clock-stage{min-height:280px}.clock-stage:fullscreen .digits,.presentation .digits{font-size:clamp(38px,12vw,160px)}.site-controls label{font-size:12px}.site-controls select{padding:8px}.tool-card p{min-height:0}.fields,.group-results{grid-template-columns:1fr}.actions>label{width:100%}}@media (width<=359px){.tool-grid{grid-template-columns:1fr}.clock-stage .digits{font-size:34px}.tool-nav details{max-width:60%}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}