:root{color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,sans-serif;--bg: #0b0d10;--fg: #e6e6e6;--muted: #8a8f98;--accent: #4ea1ff;--border: #23272e;--panel: #14171c}body{margin:0;background:var(--bg);color:var(--fg)}.app{display:grid;grid-template-columns:260px 1fr;height:100vh}.sidebar{border-right:1px solid var(--border);background:var(--panel);overflow-y:auto;padding:12px}.sidebar h2{font-size:12px;text-transform:uppercase;color:var(--muted);margin:0 0 8px}.session{padding:8px 10px;border-radius:6px;cursor:pointer;font-size:14px;color:var(--fg)}.session:hover{background:#1c2027}.session.active{background:#1f2630;color:var(--accent)}.chat{display:flex;flex-direction:column;height:100%}.messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px}.msg{max-width:780px}.msg.user{align-self:flex-end;background:#1f2630;padding:10px 14px;border-radius:12px}.msg.assistant{align-self:flex-start;white-space:pre-wrap}.msg.tool{align-self:flex-start;font-family:ui-monospace,monospace;font-size:12px;color:var(--muted);border-left:2px solid var(--accent);padding-left:8px}.composer{border-top:1px solid var(--border);padding:12px 16px;display:flex;gap:8px}.composer textarea{flex:1;background:var(--panel);color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font:inherit;resize:vertical;min-height:44px}.composer button{background:var(--accent);color:#000;border:0;border-radius:8px;padding:0 16px;cursor:pointer;font-weight:600}.composer button:disabled{opacity:.5;cursor:not-allowed}.new-session{width:100%;margin-bottom:12px;padding:8px;background:transparent;color:var(--accent);border:1px dashed var(--border);border-radius:6px;cursor:pointer}.identity{font-size:11px;color:var(--muted);margin-top:16px;padding-top:12px;border-top:1px solid var(--border)}.main{display:flex;flex-direction:column;height:100%;min-width:0}.tabs{display:flex;border-bottom:1px solid var(--border);background:var(--panel)}.tab{background:transparent;color:var(--muted);border:0;padding:10px 16px;font:inherit;cursor:pointer;border-bottom:2px solid transparent}.tab.active{color:var(--fg);border-bottom-color:var(--accent)}.tab-body{flex:1;min-height:0;display:flex}.tab-body>*{flex:1;min-width:0}.approval{display:grid;grid-template-columns:320px 1fr;height:100%}.approval-list{border-right:1px solid var(--border);background:var(--panel);padding:12px;overflow-y:auto}.approval-list h2{font-size:12px;text-transform:uppercase;color:var(--muted);margin:0 0 8px}.change-row{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px;cursor:pointer;font-size:13px}.change-row:hover{background:#1c2027}.change-row.active{background:#1f2630}.change-row .path{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;border-radius:3px}.badge.mod{background:#3a2f0a;color:#f0c674}.badge.new{background:#0a3a14;color:#74f084}.revert-btn{background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:4px;padding:2px 8px;font-size:11px;cursor:pointer}.revert-btn:hover{color:#ff8b8b;border-color:#ff8b8b}.commit-form{margin-top:16px;padding-top:12px;border-top:1px solid var(--border)}.commit-form textarea{width:100%;box-sizing:border-box;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:8px;font:inherit;resize:vertical;margin-bottom:8px}.commit-form button{width:100%;background:var(--accent);color:#000;border:0;border-radius:6px;padding:8px;cursor:pointer;font-weight:600}.commit-form button:disabled{opacity:.5;cursor:not-allowed}.busy{font-size:12px;color:var(--accent);margin-top:8px}.err{font-size:12px;color:#ff6b6b;margin-top:8px}.diff-pane{min-width:0}.session-time{font-size:11px;color:var(--muted);margin-top:2px}.app.shared{grid-template-columns:1fr}.chat-header{display:flex;align-items:center;gap:12px;padding:8px 16px;border-bottom:1px solid var(--border);background:var(--panel);min-height:36px}.share-btn{background:transparent;color:var(--accent);border:1px solid var(--border);border-radius:4px;padding:4px 10px;font:inherit;font-size:12px;cursor:pointer}.share-btn:hover{border-color:var(--accent)}.share-url{font-family:ui-monospace,monospace;font-size:11px;color:var(--muted)}.read-only-badge{background:#3a2f0a;color:#f0c674;padding:2px 8px;border-radius:3px;font-size:11px;font-weight:600}