:root{--bg: #eceff1;--panel: #ffffff;--text: #1f2933;--muted: #61707d;--accent: #1d5fd1;--accent-soft: rgb(29 95 209 / .12);--warn: #9a6700;--border: #d0d7de;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button{font:inherit;padding:5px 12px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--text);cursor:pointer}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.toolbar{position:sticky;top:0;z-index:3;display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;padding:8px 16px;background:var(--panel);border-bottom:1px solid var(--border)}.open{padding:6px 14px;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}.zoom{display:flex;align-items:center;gap:6px}.zoom button{width:32px;height:32px;padding:0;font-size:18px}#zoom-value{min-width:48px;text-align:center;font-variant-numeric:tabular-nums}#status{color:var(--muted);font-size:14px}.layout{display:flex;align-items:flex-start}#viewer{flex:1;min-width:0;padding:16px;overflow-x:auto}aside{position:sticky;top:57px;width:300px;max-height:calc(100vh - 57px);overflow-y:auto;padding:16px;background:var(--panel);border-left:1px solid var(--border)}aside[hidden]{display:none}aside h2{margin:0 0 8px;font-size:16px}.hint{margin:0 0 12px;color:var(--muted);font-size:13px}#edit-list{margin:0;padding-left:20px;font-size:13px}#edit-list li{margin-bottom:10px}#edit-list .change{overflow-wrap:anywhere}#edit-list .meta{color:var(--muted)}#edit-list .note{color:var(--warn)}@media(max-width:800px){.layout{flex-direction:column;align-items:stretch}aside{position:static;width:auto;max-height:none;border-left:0;border-top:1px solid var(--border)}}.drop{max-width:640px;margin:64px auto;padding:48px 24px;border:2px dashed var(--border);border-radius:12px;text-align:center;color:var(--muted)}.drop.over{border-color:var(--accent);color:var(--accent)}.drop[hidden]{display:none}#pages{display:flex;flex-direction:column;align-items:center;gap:16px}.page{position:relative;background:#fff;box-shadow:0 1px 4px #0003}.page canvas{display:block;width:100%;height:100%}.page .scan-note{position:absolute;top:8px;left:8px;padding:4px 8px;border-radius:4px;background:#000000a6;color:#fff;font-size:12px}.lines{position:absolute;inset:0}.line{position:absolute;cursor:text;border-radius:2px}.line:hover{background:var(--accent-soft);outline:1px solid rgb(29 95 209 / .35)}.line-input{position:absolute;z-index:2;margin:0;padding:0 2px;border:0;outline:2px solid var(--accent);border-radius:2px;background:#fff;line-height:1;white-space:pre}.font-pick{font:inherit;font-size:12px;max-width:100%;padding:2px 4px;border:1px solid var(--border);border-radius:4px;background:var(--panel);color:var(--text)}.page .font-pick{position:absolute;z-index:2;box-shadow:0 1px 4px #0003}#edit-list .font-pick{margin-top:4px}