:root{--bg: #f6f7f9;--fg: #14161a;--muted: #6b7280;--card: #ffffff;--line: #e3e6ea;--accent: #2563eb;--danger: #b91c1c}@media(prefers-color-scheme:dark){:root{--bg: #0f1115;--fg: #e6e8eb;--muted: #9aa2ad;--card: #161a20;--line: #262c35;--accent: #5b9bff;--danger: #ff6b6b}}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;padding:24px;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,Segoe UI,Microsoft YaHei,sans-serif}h1{margin:0 0 4px;font-size:22px}.sub{margin:0 0 18px;color:var(--muted);font-size:13px}.card{max-width:420px;margin:8vh auto;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:12px}#main{max-width:960px;margin:0 auto}#main header{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px}.actions{display:flex;gap:8px;flex-wrap:wrap}.tabs{display:flex;gap:8px;margin-bottom:16px}.tabs button{flex:1;background:transparent;color:var(--muted);border-color:var(--line)}.tabs button.active{color:var(--fg);border-color:var(--accent)}form{display:grid;gap:12px}label{display:grid;gap:6px;font-size:13px;color:var(--muted)}input{padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}button{padding:9px 14px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg);font:inherit;cursor:pointer}button:hover{border-color:var(--accent)}button[type=submit],#btn-upload{background:var(--accent);border-color:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:default}#auth-form,#recovery-panel{margin-top:8px}#recovery-panel summary{cursor:pointer;color:var(--muted);font-size:13px;margin-top:14px}#advanced{margin-top:4px}#advanced summary{cursor:pointer;color:var(--muted);font-size:12px}#advanced label{margin-top:10px}.hint{margin:6px 0 0;font-size:12px;color:var(--muted);line-height:1.45}.hint code{font-size:12px}label.check{display:flex;align-items:center;gap:8px;margin-top:4px;font-size:13px;color:var(--fg)}label.check input{width:auto;padding:0;margin:0;accent-color:var(--accent)}#recovery-panel form{margin-top:12px}.msg{min-height:20px;margin:12px 0 0;font-size:13px;color:var(--muted);white-space:pre-wrap}.msg.error{color:var(--danger)}nav#crumbs{font-size:13px;color:var(--muted);word-break:break-all}nav#crumbs a{color:var(--accent);cursor:pointer;text-decoration:none}table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{font-weight:600;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:none}.num{text-align:right;white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums}.ops{text-align:right;white-space:nowrap}.ops button{padding:4px 9px;font-size:12px}.name{cursor:pointer;word-break:break-all}.name.dir{color:var(--accent);font-weight:500}.empty{color:var(--muted);text-align:center;padding:32px 0}dialog{max-width:460px;padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--fg)}dialog code{display:block;padding:12px;margin:12px 0;background:var(--bg);border-radius:8px;font-size:13px;word-break:break-all;user-select:all}.dialog-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.dialog-actions button[type=submit]{background:var(--accent);border-color:var(--accent);color:#fff}#preview-dialog{max-width:min(92vw,1100px);width:auto;text-align:center}#preview-dialog img{display:block;max-width:100%;max-height:70vh;margin:0 auto 8px;border-radius:8px;background:var(--bg)}#preview-text{text-align:left;max-height:70vh;width:min(70vw,620px);max-width:100%;overflow:auto;margin:0 0 8px;padding:12px;border-radius:8px;background:var(--bg);font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word;tab-size:4}#text-dialog{max-width:min(92vw,720px);width:100%}#text-dialog textarea{padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);resize:vertical;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;line-height:1.5}#text-dialog label{margin-top:12px}.hint.error{color:var(--danger)}#drop-overlay{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 12%,transparent);border:3px dashed var(--accent);color:var(--accent);font-size:20px;font-weight:600;pointer-events:none}#drop-overlay[hidden]{display:none!important}.thumb{width:22px;height:22px;object-fit:cover;border-radius:4px;vertical-align:-5px;margin-right:6px;background:var(--line)}