:root{color-scheme:dark;--bg:#0b1118;--paper:#14202d;--ink:#e8f0f8;--muted:#a6b6c8;--line:#34485c;--accent:#5ee0c0;--error:#ff9a91;--ui-text:#e8f0f8;--ui-muted:#a6b6c8;--ui-surface:#14202d;--ui-soft:#223244;--ui-focus:#7ceaf3;font-family:"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink)}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;display:flex;flex-direction:column;height:100dvh;min-height:600px}button,input,select,textarea{font:inherit;color:inherit}button,a{touch-action:manipulation}button{cursor:pointer;min-height:44px;border:1px solid var(--line);background:#101a25;padding:10px 14px;border-radius:10px}button:disabled{opacity:.45;cursor:default}button:hover:not(:disabled){background:#223244}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #7ceaf3;outline-offset:3px}.primary{background:var(--accent);color:#08251e;border-color:var(--accent)}button.primary:hover:not(:disabled){background:#8debd4}a{color:inherit;min-height:44px;display:inline-flex;align-items:center}.topbar{display:flex;align-items:center;gap:12px;padding:12px 24px;border-bottom:1px solid var(--line);background:var(--paper);flex-wrap:wrap}.topbar strong{font-size:20px}.topbar small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;margin-top:3px}#draft-status{margin-left:auto;color:var(--muted);font-size:12px}.settings{padding:12px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;border-bottom:1px solid var(--line)}.settings label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}select{min-height:44px;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--paper);max-width:100%}.modes{display:flex;gap:8px}.modes [aria-pressed=true]{color:var(--accent);border-color:var(--accent);background:#193c39}#price{color:var(--muted);font-size:12px}.settings~#maintenance{padding:12px;color:var(--error);text-align:center}#viewport{position:relative;overflow:hidden;flex:1;min-height:300px;touch-action:none;cursor:grab;background-image:radial-gradient(#294050 1px,transparent 1px);background-size:24px 24px}#board{position:absolute;width:1900px;height:1100px;transform-origin:0 0}.node{position:absolute;width:310px;border:1px solid var(--line);border-radius:16px;background:var(--paper);box-shadow:0 8px 24px #0003;overflow:hidden;cursor:default}.node>header{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:14px 16px;cursor:move;border-bottom:1px solid var(--line);font-size:13px;font-weight:600}.node>header span+span{font-size:10px;color:var(--accent);font-weight:400}.image-open{position:relative;width:100%;height:210px;padding:0;display:grid;place-items:center;border:0;border-radius:0;background:#0b141e;overflow:hidden;text-align:center;color:var(--muted);font-size:13px;line-height:1.8}.image-open img{position:absolute;width:100%;height:100%;object-fit:contain;background:#0b141e}.node-body{padding:16px}.node-body p{font-size:12px;line-height:1.7;margin:0 0 12px;color:var(--muted)}.node-body .hint{margin:12px 0 0}.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}.approval{display:flex;align-items:center;gap:8px;font-size:12px;line-height:1.6;min-height:44px;margin-top:8px}.approval input{width:18px;height:18px;accent-color:var(--accent)}textarea{display:block;resize:vertical;width:100%;min-height:120px;padding:10px;border:1px solid #52687c;border-radius:8px;background:#101a25;line-height:1.6;font-size:13px}#description{min-height:300px}details{margin:12px 0}summary{font-size:12px;color:var(--muted);cursor:pointer;min-height:32px}#connections{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}#connections path{fill:none;stroke:#42657a;stroke-width:2}#connections path.ready{stroke:var(--accent)}.canvas-controls{position:absolute;bottom:62px;left:24px;display:flex;align-items:center;gap:8px;padding:6px;background:var(--paper);border:1px solid var(--line);border-radius:12px}.canvas-controls output{font-size:12px;min-width:40px;text-align:center}footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 24px;font-size:11px;color:var(--muted);border-top:1px solid var(--line)}#notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#233a49;padding:12px 20px;border-radius:10px;font-size:13px;max-width:90vw;z-index:100}.recover{position:absolute;right:24px;bottom:64px;color:var(--accent);z-index:5}dialog{color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:16px;width:min(1100px,94vw);max-height:92dvh;padding:22px}dialog::backdrop{background:#03080dcc}dialog header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}dialog h2{font-size:18px;margin:0}dialog p{font-size:13px;color:var(--muted)}#login-dialog{width:420px}#login-form label{display:grid;gap:8px;margin:18px 0}input:not([type=checkbox]):not([type=range]){min-height:44px;width:100%;background:#101a25;border:1px solid #52687c;border-radius:8px;padding:10px}.password-field{display:flex;gap:8px}.error{color:var(--error)}.comparison{position:relative;width:100%;aspect-ratio:var(--compare-ratio,1.5);background:#080e16;overflow:hidden}.comparison img{width:100%;height:100%;object-fit:contain}.comparison #after-image{position:absolute;inset:0}#split-label{display:block;font-size:12px;margin-top:14px;color:var(--muted)}#split{display:block;width:100%;min-height:44px;accent-color:var(--accent)}#gallery-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}#gallery-items button{padding:0;overflow:hidden}#gallery-items img{width:100%;height:150px;object-fit:contain;display:block}#gallery-items span{display:block;padding:12px;font-size:12px}@media(max-width:600px){.topbar,.settings{padding:10px 12px;gap:10px}.topbar strong{font-size:16px}.topbar small{display:none}#draft-status{font-size:10px}.settings label{gap:5px}.modes{width:100%}.modes button{flex:1;font-size:13px}#price{width:100%}footer{padding:10px 12px}.canvas-controls{left:12px;bottom:76px}.recover{right:12px;bottom:76px;max-width:180px}dialog{padding:14px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}