:root{--bg:#fff;--text:#1a1a2e;--border:#e2e8f0;--accent:#3b82f6;--accent-hover:#2563eb;--code-bg:#f1f5f9;--active-bg:#eff6ff;--mono:ui-monospace, "SF Mono", Consolas, monospace;--sans:system-ui, -apple-system, sans-serif;font:15px/1.5 var(--sans);color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0}header{text-transform:uppercase;letter-spacing:1px;color:#94a3b8;margin-bottom:8px;font-size:12px;font-weight:600}h1{margin:0 0 4px;font-size:24px}.subtitle{color:#64748b;margin:0 0 24px;font-size:14px}.subtitle code{font-family:var(--mono);background:var(--code-bg);border-radius:4px;padding:2px 6px;font-size:13px}.app{max-width:960px;margin:0 auto;padding:32px 24px}.main{gap:24px;display:flex}nav{flex:0 0 320px}section{flex:1;min-width:0}.upload-list{margin:0;padding:0;list-style:none}.upload-list li{gap:4px;display:flex}.upload-list li+li{margin-top:4px}.upload-list li>button:first-child{border:1px solid var(--border);background:var(--bg);min-width:0;font:inherit;text-align:left;cursor:pointer;border-radius:6px;flex:1;align-items:center;gap:8px;padding:8px 12px;font-size:13px;transition:background .15s;display:flex}.upload-list button:hover{background:var(--code-bg)}.upload-list li>button:first-child.active{background:var(--active-bg);border-color:var(--accent)}.delete-btn{border:1px solid var(--border);background:var(--bg);color:#94a3b8;cursor:pointer;border-radius:6px;flex-shrink:0;width:36px;font-size:16px;line-height:1;transition:background .15s,color .15s}.delete-btn:hover{color:#ef4444;background:#fef2f2;border-color:#ef4444}.index{color:var(--accent);flex-shrink:0;font-weight:600}.timestamp{color:#64748b;font-family:var(--mono);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.entry-view{word-break:break-word}.entry-meta{color:#64748b;background:var(--code-bg);border-radius:6px;margin-bottom:16px;padding:12px;font-size:13px}.entry-view pre{font-family:var(--mono);background:var(--code-bg);white-space:pre-wrap;border-radius:6px;margin:0;padding:16px;font-size:13px;line-height:1.6;overflow-x:auto}.empty{color:#94a3b8;text-align:center;padding:48px 0;font-size:14px}