:root{--bg-app:#09090b;--bg-sidebar:#121215;--bg-surface:#18181b;--bg-surface-hover:#27272a;--bg-input:#121215;--border:#27272a;--border-focus:#71717a;--text-main:#fafafa;--text-muted:#a1a1aa;--text-faint:#71717a;--accent:#fafafa;--accent-hover:#e4e4e7;--accent-text:#09090b;--accent-glow:#ffffff14;--success:#22c55e;--success-hover:#16a34a;--warning:#f59e0b;--danger:#ef4444;--danger-hover:#dc2626;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--header-height:54px;--sidebar-width:250px;--drawer-width:380px}[data-theme=light]{--bg-app:#fff;--bg-sidebar:#fbfbfc;--bg-surface:#fff;--bg-surface-hover:#f4f4f5;--bg-input:#fff;--border:#e4e4e7;--border-focus:#18181b;--text-main:#09090b;--text-muted:#71717a;--text-faint:#a1a1aa;--accent:#09090b;--accent-hover:#27272a;--accent-text:#fff;--accent-glow:#0000000f;--success:#16a34a;--success-hover:#15803d;--warning:#d97706;--danger:#dc2626;--danger-hover:#b91c1c}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;width:100vw;height:100vh;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}.app-container{background:var(--bg-app);flex-direction:column;width:100vw;height:100vh;display:flex;overflow:hidden}.header{height:var(--header-height);background:var(--bg-sidebar);border-bottom:1px solid var(--border);z-index:30;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:0 16px;display:flex;position:relative}.header-left,.header-center,.header-right{align-items:center;gap:10px;display:flex}.brand-badge{color:#fff;width:32px;height:32px;box-shadow:0 2px 8px var(--accent-glow);background:linear-gradient(135deg,#2563eb,#7c3aed);border-radius:8px;justify-content:center;align-items:center;display:flex}.brand-title{letter-spacing:.8px;color:var(--text-main);text-transform:uppercase;font-size:13px;font-weight:800;font-family:var(--font-sans)}.live-dot{background-color:#ef4444;border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.divider-vertical{background:var(--border);width:1px;height:20px}.select-input{background:var(--bg-input);border:1px solid var(--border);color:var(--text-main);cursor:pointer;border-radius:6px;outline:none;padding:5px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:all .15s}.select-input:hover{border-color:var(--text-faint)}.select-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 2px var(--accent-glow)}.branch-pill{background:var(--bg-input);border:1px solid var(--border);color:var(--text-main);border-radius:6px;align-items:center;gap:6px;padding:4px 8px;font-size:12px;display:flex}.branch-pill select{color:inherit;font-size:inherit;cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}.icon-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;padding:6px;transition:all .15s;display:flex}.icon-btn:hover{background:var(--bg-surface-hover);color:var(--text-main)}.sync-pill{background:var(--bg-surface);border:1px solid var(--border);font-size:11px;font-family:var(--font-sans);color:var(--text-muted);-webkit-user-select:none;user-select:none;border-radius:6px;align-items:center;gap:6px;padding:4px 10px;font-weight:500;transition:all .15s;display:flex}.sync-pill:hover{background:var(--bg-surface-hover);color:var(--text-main)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:1s linear infinite spin}.btn{cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid #0000;border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-family:inherit;font-size:12px;font-weight:500;transition:all .15s;display:flex}.btn-primary{background:var(--accent);color:var(--accent-text);font-weight:600}.btn-primary:hover{background:var(--accent-hover)}.btn-success{background:var(--text-main);color:var(--bg-app);font-weight:600}.btn-success:hover{opacity:.9}.btn-secondary{background:var(--bg-surface);border-color:var(--border);color:var(--text-main)}.btn-secondary:hover{background:var(--bg-surface-hover);border-color:var(--text-faint)}.avatar-stack{align-items:center;margin-right:-4px;display:flex}.avatar-bubble{border:2px solid var(--bg-sidebar);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;margin-left:-6px;font-size:11px;font-weight:700;display:flex;box-shadow:0 2px 4px #0006}.user-profile-btn{background:var(--bg-input);border:1px solid var(--border);color:var(--text-main);cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:3px 10px;font-size:11px;font-weight:500;transition:all .15s;display:flex}.user-profile-btn:hover{background:var(--bg-surface-hover)}.toggle-group{background:var(--bg-input);border:1px solid var(--border);border-radius:6px;align-items:center;padding:2px;display:flex}.toggle-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;padding:4px 6px;transition:all .15s;display:flex}.toggle-btn:hover{color:var(--text-main)}.toggle-btn.active{background:var(--bg-surface-hover);color:var(--accent-hover)}.workspace{flex:1;display:flex;position:relative;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);-webkit-user-select:none;user-select:none;flex-direction:column;flex-shrink:0;height:100%;display:flex}.sidebar-header{border-bottom:1px solid 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6px;font-size:10px}.commit-meta{color:var(--text-faint);justify-content:space-between;align-items:center;font-size:10px;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50;background:#000000b3;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-card{background:var(--bg-sidebar);border:1px solid var(--border);border-radius:12px;width:100%;max-width:440px;animation:.15s ease-out modalIn;overflow:hidden;box-shadow:0 10px 30px #0009}@keyframes modalIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.modal-header{border-bottom:1px solid var(--border);color:var(--text-main);justify-content:space-between;align-items:center;padding:14px 16px;font-size:13px;font-weight:600;display:flex}.modal-body{flex-direction:column;gap:14px;padding:16px;display:flex}.modal-tabs{background:var(--bg-input);border-bottom:1px solid 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#00000080}.drag-overlay{-webkit-backdrop-filter:blur(8px);z-index:9999;pointer-events:none;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.drag-overlay-box{border:2px dashed var(--border-focus);background:var(--bg-surface);text-align:center;border-radius:12px;flex-direction:column;align-items:center;gap:12px;padding:48px 64px;display:flex;box-shadow:0 20px 40px #0006}.drag-overlay-box h3{color:var(--text-main);margin:0;font-size:16px;font-weight:600}.drag-overlay-box p{color:var(--text-muted);margin:0;font-size:13px}.dropzone-stage{flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;height:100%;padding:32px;display:flex}.dropzone-card{border:1px dashed var(--border);background:var(--bg-surface);text-align:center;border-radius:12px;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:480px;padding:40px 32px;transition:all .2s;display:flex}.dropzone-card:hover{border-color:var(--border-focus);background:var(--bg-surface-hover)}