:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0a0a0c;--surface:#141416;--surface-2:#1c1c1f;--surface-hover:#232326;--border:#2a2a2e;--text:#ededf0;--text-dim:#8b8b93;--accent:#e0453f;--accent-hover:#c9362f;--accent-dim:#e0453f1f;--danger:#e0453f;--success:#35c26b;--warning:#e0b341;--sidebar-width:240px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}#root{min-height:100vh}button{cursor:pointer;font-family:inherit}input,textarea,select{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.6rem .8rem;font-family:inherit;font-size:.95rem}input:focus,textarea:focus,select:focus{border-color:var(--accent);outline:none}.btn{background:var(--accent);color:#fff;border:none;border-radius:8px;align-items:center;gap:.4rem;padding:.65rem 1.2rem;font-size:.9rem;font-weight:600;transition:background .15s;display:inline-flex}.btn:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{color:var(--danger);border:1px solid var(--danger);background:0 0}.btn-danger:hover:not(:disabled){background:#ff5c5c1a}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.field{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.field label{color:var(--text-dim);font-size:.85rem;font-weight:500}.error-text{color:var(--danger);font-size:.85rem}.center-screen{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:1.25rem;padding:1rem .75rem;display:flex}.sidebar-brand{color:var(--text);align-items:center;gap:.6rem;padding:.4rem .5rem;font-size:1.05rem;font-weight:700;display:flex}.sidebar-brand-icon{background:var(--accent-dim);width:30px;height:30px;color:var(--accent);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.sidebar-section-label{letter-spacing:.06em;color:var(--text-dim);text-transform:uppercase;padding:0 .6rem;font-size:.72rem;font-weight:700}.sidebar-nav-item{color:var(--text-dim);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:.6rem;width:100%;padding:.55rem .6rem;font-size:.88rem;transition:background .12s,color .12s;display:flex}.sidebar-nav-item:hover{background:var(--surface-2);color:var(--text)}.sidebar-nav-item.active{background:var(--accent-dim);color:var(--accent);font-weight:600}.sidebar-session-list{flex-direction:column;flex:1;gap:.2rem;display:flex;overflow-y:auto}.sidebar-footer{border-top:1px solid var(--border);align-items:center;gap:.4rem;padding-top:.5rem;display:flex}.sidebar-icon-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.sidebar-icon-btn:hover{background:var(--surface-2);color:var(--text)}.main-column{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.5rem;display:flex}.breadcrumb{color:var(--text-dim);align-items:center;gap:.4rem;font-size:.85rem;display:flex}.breadcrumb .current{color:var(--accent);font-weight:600}.status-pill{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;align-items:center;gap:.5rem;padding:.4rem .8rem;font-size:.82rem;display:inline-flex}.status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.status-dot.online{background:var(--success);box-shadow:0 0 0 3px #35c26b2e}.status-dot.offline{background:var(--warning);box-shadow:0 0 0 3px #e0b3412e}.content-area{flex:1;width:100%;max-width:1400px;padding:1.5rem}.page-header{margin-bottom:1.25rem}.page-header h1{color:var(--accent);margin:0 0 .25rem;font-size:1.5rem}.page-header p{color:var(--text-dim);margin:0;font-size:.9rem}.tab-bar{flex-wrap:wrap;gap:.4rem;margin-bottom:1.5rem;display:flex}.tab-btn{border:1px solid var(--border);background:var(--surface);color:var(--text-dim);cursor:pointer;white-space:nowrap;border-radius:8px;align-items:center;gap:.45rem;padding:.55rem .9rem;font-size:.85rem;font-weight:500;transition:all .12s;display:inline-flex}.tab-btn:hover{background:var(--surface-hover);color:var(--text)}.tab-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.panel-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:1s linear infinite spin}