:root{color-scheme:dark;--bg:#101316;--panel:#191e23;--line:#303942;--text:#edf2f5;--muted:#aab7c1;--accent:#bde8a9;font:16px/1.5 system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit}button,select,input,textarea{font:inherit}button,select,input[type=file]{cursor:pointer}button,input,textarea,select{border:1px solid var(--line);border-radius:8px;color:var(--text);background:#13181c;padding:.65rem .85rem}button:hover,a.card:hover{border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}button.primary{color:#111c11;background:var(--accent);border-color:transparent;font-weight:700}textarea{width:100%;resize:vertical;min-height:16rem;font:14px/1.55 ui-monospace,monospace}label{display:block;margin:.85rem 0 .4rem}input[type=file]{width:100%}input[type=range]{accent-color:var(--accent);width:100%;padding:0}select{max-width:100%}input[type=text]{width:100%}header,main,footer{width:min(1120px,calc(100% - 36px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:20px 0;border-bottom:1px solid var(--line)}header a{text-decoration:none;font-weight:750}.mark{color:var(--accent);padding-right:.6rem}small,.muted,footer{color:var(--muted)}main{padding:46px 0}h1{font-size:clamp(2.5rem,7vw,5.25rem);line-height:1;letter-spacing:-.075em;margin:.4rem 0 1.25rem}h2{font-size:1.1rem;margin:0 0 .5rem}p{margin:.5rem 0 1rem}p.intro{max-width:55ch;color:var(--muted);font-size:1.08rem;margin-bottom:2rem}.tag{font:12px ui-monospace,monospace;color:var(--accent);text-transform:uppercase;letter-spacing:.12em}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:12px}.card,.panel{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:20px}.card{display:block;text-decoration:none;min-height:150px}.card .tag{display:block;margin-bottom:1.1rem}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.workspace .panel{min-width:0}.bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:1rem 0}.export{margin-top:16px}.export .bar{margin-bottom:0}#preview img{max-width:100%;max-height:460px;display:block;border-radius:6px;background:#fff}#preview{overflow:auto}#preview iframe{width:100%;height:440px;border:0}#status,#workStatus{overflow-wrap:anywhere;min-height:1.5em}footer{border-top:1px solid var(--line);padding:20px 0;display:flex;gap:18px;flex-wrap:wrap;font-size:.85rem}ul,ol{padding-left:1.3rem}li{margin:.45rem 0;overflow-wrap:anywhere}li button{margin-left:.35rem;padding:.2rem .45rem}.address{font-family:ui-monospace,monospace;overflow-wrap:anywhere}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}audio{width:100%}#wave{min-height:100px}output{color:var(--accent)}@media(max-width:680px){.workspace{grid-template-columns:1fr}header{align-items:flex-start}main{padding-top:30px}}
.workbench{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:start}
.tool-navigation{position:sticky;top:18px;padding:14px;display:grid;gap:5px}
.tool-navigation .tag{margin:0 0 6px 10px}
.tool-navigation a{display:block;text-decoration:none;padding:9px 10px;border-radius:7px;font-size:.9rem;color:var(--muted)}
.tool-navigation a:hover,.tool-navigation a[aria-current=true]{background:#29332b;color:var(--accent)}
.tool-content{min-width:0}
.tool-content h1{font-size:clamp(2rem,5vw,3.3rem);letter-spacing:-.05em}
@media(max-width:900px){.workbench{grid-template-columns:minmax(0,1fr);gap:20px}.tool-navigation{position:static;display:flex;flex-wrap:wrap;align-items:center}.tool-navigation .tag{margin:0 8px 0 0}}

.brand{display:inline-flex;align-items:center;gap:10px}.brand img{display:block;border-radius:7px}