:root{--bg:#f7f6fc;--surface:#fff;--border:#e2e5ea;--text:#1f2430;--text-muted:#6b7280;--primary:#7c3aed;--primary-hover:#6d28d9;--primary-soft:#ede9fe;--bubble-own:#c4b5fd;--gradient-primary:linear-gradient(135deg, #8b5cf6, #6d28d9);--success-soft:#dcfce7;--danger:#dc2626;--success:#16a34a;--radius-lg:16px;--radius-md:12px;--radius-pill:999px;--radius:var(--radius-md);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{min-height:100vh;color:var(--text);background:var(--bg);margin:0}button,input{font:inherit;color:inherit}a{color:var(--primary)}.decor-bg{background-image:radial-gradient(circle at 15% 20%,#7c3aed0f,#0000 40%),radial-gradient(circle at 85% 80%,#7c3aed0d,#0000 45%)}.stack{flex-direction:column;gap:8px;display:flex}.row{align-items:center;gap:8px;display:flex}.muted{color:var(--text-muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.card.active-card{border-color:var(--primary);background:var(--primary-soft)}button.card{cursor:pointer}button.card:hover:not(:disabled){border-color:var(--primary);background:#7c3aed0d}.input{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;min-height:40px;padding:0 12px}.input:focus-visible{outline:2px solid var(--primary);outline-offset:1px}select.input{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:36px}.btn{border-radius:var(--radius);background:var(--primary);color:#fff;cursor:pointer;border:none;min-height:40px;padding:0 16px;font-weight:600;transition:background-color .15s}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:default}.btn.secondary{background:var(--primary-soft);color:var(--primary)}.btn.danger{background:var(--danger)}.btn.icon{min-width:36px;min-height:36px;color:var(--text-muted);background:0 0;border-radius:999px;justify-content:center;align-items:center;padding:0;display:inline-flex}.btn.icon:hover{background:var(--primary-soft);color:var(--primary)}.badge{border-radius:var(--radius-pill);background:var(--primary);color:#fff;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 6px;font-size:11px;font-weight:700;display:inline-flex}.pill-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius-pill);min-height:40px;padding:6px 14px;font-size:13px;font-weight:500}.filter-label{color:var(--primary);font-weight:600}.pill-btn:hover{background:var(--bg)}.pill-btn.active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}.chip{border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;white-space:nowrap;padding:6px 14px;font-size:13px}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.modal-overlay{z-index:100;background:#0f0f1473;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius-lg);width:420px;max-width:90vw;max-height:85vh;padding:20px;overflow-y:auto;box-shadow:0 20px 60px #0003}.dropdown-menu{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);z-index:300;min-width:180px;padding:4px;position:fixed;box-shadow:0 12px 30px #00000026}.dropdown-menu-item{border-radius:var(--radius-md);text-align:left;cursor:pointer;width:100%;color:var(--text);background:0 0;border:none;align-items:center;gap:8px;padding:8px 10px;font-size:14px;display:flex}.dropdown-menu-item:hover{background:var(--primary-soft)}.dropdown-menu-item.danger{color:var(--danger)}textarea.input{resize:vertical;min-height:72px;padding:8px 12px}.breadcrumb{scrollbar-width:none;flex-wrap:nowrap;align-items:center;gap:2px;width:100%;min-width:0;display:flex;overflow:auto hidden}.breadcrumb::-webkit-scrollbar{display:none}.breadcrumb-sep{color:var(--primary);flex-shrink:0;font-size:15px;font-weight:700}.breadcrumb-crumb{color:var(--text-muted);white-space:nowrap;border-radius:6px;align-items:center;gap:6px;padding:4px 8px;font-size:15px;font-weight:500;display:inline-flex}.breadcrumb-crumb.current{color:var(--text);font-weight:700}.breadcrumb-icon-badge{background:var(--primary);color:#fff;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex}.appbar{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:12px;min-height:59px;padding:0 16px;display:flex}.appbar-title{font-size:16px;font-weight:700}.breadcrumb-bar{background:0 0;align-items:center;gap:8px;padding:0 16px 6px;display:flex}.breadcrumb-pill{background:var(--surface);cursor:pointer;border:1px solid var(--border);border-radius:999px;align-items:center;min-width:0;max-width:100%;padding:1px 3px 1px 9px;display:inline-flex;overflow:hidden}.breadcrumb-pill:hover{background:var(--primary-soft)}.breadcrumb-pill .breadcrumb-crumb{padding:2px;font-size:11px}.breadcrumb-pill .breadcrumb-sep{font-size:12px}.breadcrumb-pill .breadcrumb-icon-badge{width:16px;height:16px}.breadcrumb-more{width:56px;color:var(--primary);background:linear-gradient(to right, transparent, var(--bg) 80%);pointer-events:none;justify-content:flex-end;align-items:center;padding-right:4px;display:flex;position:absolute;top:0;bottom:0;right:0}.breadcrumb-pill:hover .breadcrumb-more{background:linear-gradient(to right, transparent, var(--primary-soft) 80%)}.appbar-back{color:var(--text);cursor:pointer;background:0 0;border:none;display:inline-flex}.sidebar-header{align-items:center;gap:8px;min-height:59px;padding:0 16px;font-weight:700;display:flex}.nav-rail{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;align-items:center;gap:4px;width:64px;min-width:64px;height:100vh;padding:12px 0;display:flex}.nav-rail-item{border-radius:var(--radius-md);width:44px;height:44px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;display:flex;position:relative}.nav-rail-item.active{background:var(--primary-soft);color:var(--primary)}.nav-rail-badge{min-width:16px;height:16px;padding:0 4px;font-size:10px;position:absolute;top:2px;right:2px}.bottom-nav{background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;justify-content:space-around;align-items:center;width:100%;padding:6px 0;display:flex}.app-shell{height:100dvh;display:flex;overflow:hidden}.conversation-row{cursor:pointer;border-left:3px solid #0000;align-items:center;gap:12px;padding:10px 16px;display:flex}.conversation-row:hover{background:#7c3aed0d}.conversation-row.active{background:var(--primary-soft);border-left-color:var(--primary)}.conversation-row .title-row{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.conversation-row .preview-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.spinner{border:3px solid var(--primary-soft);border-top-color:var(--primary);border-radius:50%;width:22px;height:22px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.session-bubble-away{animation:1.6s ease-in-out infinite session-bubble-pulse}@keyframes session-bubble-pulse{0%,to{border-color:#a78bfa;box-shadow:0 4px 16px #00000040,0 0 8px 2px #a78bfa8c}50%{border-color:#ede9fe;box-shadow:0 4px 16px #00000040,0 0 18px 6px #a78bfaf2}}