:root{--bg: #fafaf7;--card: #fff;--fg: #1b1b1b;--muted: #6b6b6b;--line: #e6e6e0;--accent: #2b6cff;--accent-ink: #fff;--err: #c0392b;--ok: #1f8b4c;--radius: 14px;--radius-sm: 10px}@media(prefers-color-scheme:dark){:root{--bg: #16171a;--card: #1f2126;--fg: #ececec;--muted: #9aa0a6;--line: #2c2f36}}*{box-sizing:border-box}html,body{margin:0}body{font:16px/1.45 system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--fg)}.wrap{max-width:1100px;margin:0 auto;padding:16px}header.top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:6px 0 16px;border-bottom:1px solid var(--line);margin-bottom:18px}header.top .logo{font-weight:800;font-size:20px;letter-spacing:.3px}header.top .dev{color:var(--muted);font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}header.top .upd{margin-left:auto;color:var(--muted);font-size:13px}.layout{display:flex;flex-direction:column;gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.controls h2,.previewPane h2{font-size:13px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:0 0 12px}.proc-head{display:flex;align-items:baseline;justify-content:space-between;margin-top:8px}.proc-head h2{margin:0 0 12px}.link-btn{border:0;background:none;color:var(--accent);font-size:13px;cursor:pointer;padding:0}.link-btn:disabled{color:var(--muted);opacity:.6;cursor:default}.tabs{display:flex;gap:8px;margin-bottom:16px}.tabs button{flex:1;min-height:44px;border:1px solid var(--line);background:transparent;color:var(--fg);border-radius:var(--radius-sm);font-size:15px;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease}.tabs button.active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.field{margin-bottom:14px}.field>label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field select,.field input[type=text],.field input[type=date],.field textarea,.field input[type=file]{width:100%;min-height:44px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);color:var(--fg);font-size:15px;transition:border-color .15s ease,box-shadow .15s ease}.field textarea{min-height:84px;resize:vertical}.range{display:flex;align-items:center;gap:10px}.range input[type=range]{flex:1;accent-color:var(--accent)}.row2{display:flex;gap:10px}.row2 .field{flex:1}.check{display:flex;align-items:center;gap:8px;min-height:44px;margin:0}.check input[type=checkbox]{accent-color:var(--accent);width:18px;height:18px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.field select:focus-visible,.field input:focus-visible,.field textarea:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}.btn{width:100%;min-height:50px;border:0;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:opacity .15s ease,transform .05s ease,background .15s ease}.btn:active:not(:disabled){transform:translateY(1px)}.btn.primary{background:var(--accent);color:var(--accent-ink)}.btn.primary:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);margin-top:10px}.btn.ghost:disabled{opacity:.5;cursor:not-allowed}.crop-drop{position:relative}.crop-drop.dragover .crop-canvas{border:2px dashed var(--accent)}.crop-drop-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none;color:#fff;font-weight:600;background:#2b6cff59;border-radius:var(--radius-sm)}.crop-canvas{width:100%;aspect-ratio:480 / 800;max-width:320px;margin:0 auto 10px;display:block;background:#111;border-radius:var(--radius-sm);touch-action:none}.zoom-row{display:flex;gap:10px;justify-content:center;margin-bottom:8px}.zoom-row button{min-width:56px;min-height:44px;border:1px solid var(--line);background:transparent;color:var(--fg);border-radius:var(--radius-sm);font-size:20px;cursor:pointer;transition:background .15s ease}.zoom-row button:hover{background:var(--bg)}.previewPane{display:flex;flex-direction:column;align-items:center}.eink{width:100%;max-width:300px;aspect-ratio:480 / 800;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 2px 10px #0000001f;display:block}.meta{color:var(--muted);font-size:12px;margin-top:10px;text-align:center}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);max-width:min(92vw,460px);padding:12px 18px;border-radius:12px;font-size:14px;text-align:center;color:#fff;background:#333;box-shadow:0 6px 24px #00000047;cursor:pointer;z-index:50;animation:toast-in .18s ease}.toast-success{background:var(--ok)}.toast-error{background:var(--err)}.toast-info{background:#333}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}@media(min-width:880px){.layout{display:grid;grid-template-columns:360px 1fr;gap:24px;align-items:start}.controls{position:sticky;top:16px}.previewPane{padding:16px}.eink{width:min(360px,46vh);max-width:none}.crop-canvas{max-width:100%}}