:root{--bg: #fbfbfd;--panel: #ffffff;--border: #e6e6ec;--text: #1c1c22;--muted: #8a8a96;--maroon: #7b2d3a;--accent: #3b82f6}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg)}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:#fff;border-radius:6px;padding:4px 10px}button:hover{background:#f3f3f7}button:disabled{opacity:.5;cursor:default}input,textarea,select{font:inherit;border:1px solid var(--border);border-radius:6px;padding:6px 8px;width:100%;background:#fff}textarea{min-height:60px;resize:vertical}code{font-family:ui-monospace,monospace}.muted{color:var(--muted)}.small{font-size:12px}.center{display:flex;align-items:center;justify-content:center;min-height:100vh}.error{color:#c0392b;font-size:13px}.auth-card{width:320px;padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;gap:10px}.auth-card h1{color:var(--maroon);margin:0}.auth-card .link{border:none;background:none;color:var(--accent);text-align:center}.app{height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--border);background:#fff}.brand{color:var(--maroon);font-weight:700;font-size:18px}.spacer{flex:1}.editor-layout{flex:1;display:flex;overflow:hidden}.editor-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.prosemirror-host{flex:1;overflow:auto;padding:24px 40px}.toolbar{display:flex;flex-wrap:wrap;gap:4px;padding:8px 12px;border-bottom:1px solid var(--border);background:#fff}.tb{padding:3px 8px;font-size:13px}.tb.active{background:var(--maroon);color:#fff;border-color:var(--maroon)}.tb-sep{width:1px;background:var(--border);margin:0 4px}.ProseMirror{outline:none;max-width:760px;margin:0 auto;line-height:1.6}.ProseMirror:focus{outline:none}.ProseMirror h1,.ProseMirror h2,.ProseMirror h3{line-height:1.25}.ProseMirror blockquote{border-left:3px solid var(--border);margin-left:0;padding-left:12px;color:#555}.ProseMirror pre{background:#1c1c22;color:#f3f3f7;padding:12px;border-radius:8px;overflow:auto}.ProseMirror code{background:#f0f0f4;padding:1px 4px;border-radius:4px}.ProseMirror table{border-collapse:collapse}.ProseMirror td,.ProseMirror th{border:1px solid var(--border);padding:4px 8px}.ProseMirror ul[data-type=taskList]{list-style:none;padding-left:0}.ProseMirror ul[data-type=taskList] li{display:flex;gap:8px}.prov-block{position:relative;padding-left:10px;border-left:3px solid var(--prov-color, transparent);transition:opacity .2s}.prov-dim{opacity:.25}.side{width:360px;border-left:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;overflow:hidden}.tabs{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--border)}.tab{border:none;border-radius:0;padding:8px 10px;font-size:12px;color:var(--muted);text-transform:capitalize}.tab.active{color:var(--maroon);border-bottom:2px solid var(--maroon);font-weight:600}.panel{padding:14px;overflow:auto}.panel h3{margin:0 0 10px}.composer{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.card{border:1px solid var(--border);border-radius:8px;padding:10px;margin-bottom:8px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:8px}.actions{display:flex;gap:6px;margin-top:6px}.actions .ok{color:#15803d}.actions .no{color:#b91c1c}.actions .active{background:var(--maroon);color:#fff}.filters,.bulk{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.chip{font-size:12px;padding:3px 8px;border-radius:12px}.chip.active{background:var(--maroon);color:#fff;border-color:var(--maroon)}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px;flex-shrink:0}.prov-row{display:flex;align-items:center;gap:4px;padding:6px 0;border-bottom:1px solid #f0f0f4}.prov-label{font-weight:500;font-size:14px}.diff{font-family:ui-monospace,monospace;font-size:12px;margin:6px 0}.diff .del{background:#fde8e8;color:#991b1b}.diff .add{background:#e7f6ec;color:#166534}.status{font-size:11px;padding:2px 6px;border-radius:10px;text-transform:capitalize}.status.open{background:#eef;color:#3730a3}.status.in_progress{background:#fef3c7;color:#92400e}.status.resolved{background:#dcfce7;color:#166534}.reply{margin:4px 0 4px 10px;font-size:13px}.reply-box{display:flex;gap:6px;margin-top:6px}.token code{display:block;word-break:break-all;background:#f0f0f4;padding:6px;border-radius:6px;margin-top:4px}.log-row{font-size:13px;padding:4px 0;border-bottom:1px solid #f4f4f8}