:root{--bg: #1f1f24;--bg2: #2a2a31;--fg: #ececf1;--muted: #9a9aa6;--accent: #4f8cff;--border: #3a3a44;--topbar-h: 48px;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);font:14px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden;overscroll-behavior:none}.topbar{height:var(--topbar-h);display:flex;align-items:center;gap:12px;padding:0 12px;background:var(--bg2);border-bottom:1px solid var(--border)}.brand{font-weight:700;letter-spacing:.02em}.title{flex:1;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.actions{display:flex;gap:8px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:#34343d;color:var(--fg);padding:6px 12px;border-radius:6px;cursor:pointer;font:inherit}.btn:hover{background:#3f3f4a}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.main{height:calc(100% - 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var(--topbar-h));overflow:auto;padding:16px}.card{background:var(--bg2);border:1px solid var(--border);border-radius:12px}.login{max-width:360px;margin:10vh auto 0;padding:24px;display:flex;flex-direction:column;gap:12px}.login h2{margin:0 0 8px}.login label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}.login input{padding:10px;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:8px;font:inherit;font-size:16px}.login .err{color:#ff8a8a;font-size:13px}.login details summary{cursor:pointer;color:var(--muted);font-size:13px}.lib-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.lib-head h2{margin:0}.spacer{flex:1}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.card.pattern{position:relative;cursor:pointer;overflow:hidden;display:flex;flex-direction:column}.card.pattern:hover{border-color:var(--accent)}.card.pattern .thumb{aspect-ratio:4 / 3;background:#101014 center / contain no-repeat}.card.pattern .body{padding:10px 12px;display:flex;flex-direction:column;gap:4px}.card.pattern .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card.pattern .meta{font-size:12px}.bar{height:6px;background:#101014;border-radius:3px;overflow:hidden}.bar .fill{height:100%;background:var(--accent)}.card.pattern .menu{position:absolute;top:8px;right:8px;background:#0009;color:#fff;font-size:16px;line-height:1}.empty{padding:40px;text-align:center;grid-column:1 / -1}