:root{--bg: #f5f6f8;--panel: #ffffff;--border: #e2e5ea;--text: #1f2430;--muted: #6b7280;--accent: #2563eb;--accent-soft: #eff4ff;--danger: #dc2626;--danger-soft: #fef2f2;--ok: #16a34a;--warn: #d97706;--radius: 8px;--shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 8px 24px rgba(16, 24, 40, .06);font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}h1{font-size:20px;margin:0}h2{font-size:15px;margin:0}h3{font-size:16px;margin:0 0 6px}a{color:var(--accent);text-decoration:none}.muted{color:var(--muted)}.small{font-size:12px}.app{min-height:100vh;display:flex;flex-direction:column}.navbar{display:flex;align-items:center;gap:24px;padding:0 24px;height:52px;background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.navbar .brand{font-weight:700;font-size:16px;color:var(--text);letter-spacing:.2px}.navbar .links{display:flex;gap:4px;flex:1}.navbar .links a{padding:6px 12px;border-radius:var(--radius);color:var(--muted)}.navbar .links a.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.navbar .who{display:flex;align-items:center;gap:12px}.page{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:24px}.stack{display:flex;flex-direction:column;gap:16px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.page-head .back{display:inline-block;font-size:13px;margin-bottom:2px}.head-actions{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:7px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:13px;cursor:pointer;transition:border-color .12s,background .12s}.btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn.primary:hover:not(:disabled){background:#1d4ed8;color:#fff}.btn.subtle{border-color:transparent;background:transparent;color:var(--muted)}.btn.subtle:hover:not(:disabled){background:var(--accent-soft);color:var(--accent)}.btn.danger,.btn.provider:hover{border-color:var(--danger)}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff;font-weight:600}.btn.danger:hover:not(:disabled){background:#b91c1c;color:#fff}input[type=text]{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;background:var(--panel);color:var(--text);min-width:0}input[type=text]:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.hint{color:var(--muted);padding:24px;text-align:center;background:var(--panel);border:1px dashed var(--border);border-radius:var(--radius)}.hint.error{color:var(--danger);border-color:#fecaca}.banner{padding:10px 14px;border-radius:var(--radius);font-size:13px}.banner.error{background:var(--danger-soft);color:var(--danger);border:1px solid #fecaca}.error-face{display:flex;flex-direction:column;align-items:center;gap:8px;padding:32px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);text-align:center}.error-face .glyph{font-size:22px}.error-face code{color:var(--muted);font-size:12px}.login-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 16px}.login-card{width:380px;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:32px;display:flex;flex-direction:column;gap:12px;text-align:center}.login-card .btn.provider{width:100%;padding:10px;font-size:14px}.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.new-project{display:flex;gap:8px}.new-project input{flex:1}.project-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.project-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);transition:border-color .12s}.project-item:hover{border-color:var(--accent)}.project-item .name{font-weight:600}.browse{display:grid;grid-template-columns:minmax(320px,38%) 1fr;gap:16px;align-items:start}@media(max-width:880px){.browse{grid-template-columns:1fr}}.tree-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:12px;max-height:calc(100vh - 180px);overflow:auto}.conflicts-block{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border)}.conflicts-block .section-title{color:var(--warn);margin-bottom:4px}.tree{list-style:none;margin:0;padding:0}.tree ul.tree{padding-left:18px}.tree li{margin:1px 0}.tree .node{display:flex;align-items:center;gap:6px;width:100%;text-align:left;padding:4px 8px;border:none;background:transparent;border-radius:6px;font-size:13px;color:var(--text);cursor:pointer}.tree .node:hover{background:var(--accent-soft)}.tree .node .caret{display:inline-block;width:12px;color:var(--muted);transition:transform .12s;font-size:11px}.tree .node .caret.ghost{visibility:hidden}.tree .node.dir.open .caret{transform:rotate(90deg)}.tree .node.file .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree .node.file .size{color:var(--muted);font-size:11px;flex-shrink:0}.tree .node.file.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.tree .empty-dir{color:var(--muted);font-size:12px;padding:2px 8px 2px 26px}.preview-col{display:flex;flex-direction:column;gap:8px;min-width:0}.preview-pane{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);min-height:320px;display:flex;flex-direction:column}.preview-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-bottom:1px solid var(--border)}.preview-head .meta{display:flex;flex-direction:column;min-width:0}.preview-head .meta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-body{padding:16px;overflow:auto;flex:1}.preview-body:empty{display:none}.preview-pane>.hint{border:none;padding:32px 16px}.preview-body :is(h1,h2,h3,h4){margin:1em 0 .4em;line-height:1.35}.preview-body h1{font-size:20px;border-bottom:1px solid var(--border);padding-bottom:6px}.preview-body h2{font-size:17px}.preview-body p{margin:.5em 0}.preview-body :is(ul,ol){padding-left:22px}.preview-body code{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:12.5px}.preview-body pre{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:12px;overflow:auto}.preview-body pre code{border:none;background:transparent;padding:0;font-size:12.5px}.preview-body blockquote{margin:.6em 0;padding:4px 14px;border-left:3px solid var(--border);color:var(--muted)}.preview-body table{border-collapse:collapse}.preview-body :is(th,td){border:1px solid var(--border);padding:4px 10px}.preview-body img{max-width:100%;border-radius:var(--radius)}.device-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.device-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.device-item.revoked{opacity:.62}.device-main{display:flex;align-items:center;gap:10px;min-width:0}.device-main .name{font-weight:600}.device-side{display:flex;align-items:center;gap:12px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--muted);flex-shrink:0}.status-dot.online{background:var(--ok);box-shadow:0 0 0 3px #16a34a26}.status-dot.recent{background:var(--warn)}.status-dot.never{background:var(--border)}.status-dot.revoked{background:var(--danger)}.badge{font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}.badge.online{color:var(--ok);border-color:#bbf7d0;background:#f0fdf4}.badge.recent{color:var(--warn);border-color:#fde68a;background:#fffbeb}.badge.revoked{color:var(--danger);border-color:#fecaca;background:var(--danger-soft)}.sync-dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}.sync-dot.busy{background:var(--warn);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.35}}.modal-backdrop{position:fixed;inset:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;z-index:100}.modal{width:400px;max-width:calc(100vw - 32px);background:var(--panel);border-radius:12px;box-shadow:var(--shadow);padding:20px}.modal p{margin:4px 0 16px;color:var(--muted)}.modal .actions{display:flex;justify-content:flex-end;gap:8px}