.settings-shell{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.settings-layout{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:240px minmax(0,1fr);min-width:0;min-height:0;display:grid}.settings-nav{border-right:1px solid var(--border);background:var(--color-apt-nav);padding:16px 16px 32px 0}.settings-nav ul{margin:0;padding:0;list-style:none}.settings-nav-item{font-family:var(--font-mono);text-align:left;letter-spacing:.02em;width:100%;color:var(--text);cursor:pointer;background:0 0;border:none;border-left:2px solid #0000;align-items:center;gap:.5rem;padding:4px 12px 2px 8px;font-size:.8rem;transition:color .2s,border-color .2s;display:flex}.settings-nav-item:not(:disabled):not(.is-active):hover{border-left-color:var(--text)}.settings-nav-item.is-active{color:var(--accent);border-left-color:var(--accent)}.settings-nav-item:disabled{color:var(--text-dim);cursor:default}.settings-nav-item svg{flex-shrink:0;width:16px;height:16px}.settings-nav-divider{background:var(--border);height:1px;margin:4px 12px}.settings-content{background:var(--surface);flex-direction:column;min-width:0;min-height:0;display:flex}.panel-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:32px;padding:40px 48px}.field{margin-bottom:20px;display:block}.field-label{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:6px;font-size:1rem;display:block}.field-input,.field-select,.field-textarea{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);border-radius:6px;padding:10px 12px;font-size:1rem;transition:border-color .2s}.field-input:focus,.field-select:focus,.field-textarea:focus{border-color:var(--accent);outline:none}.field-hint{color:var(--text-muted);margin-top:6px;font-size:1rem}.field-hint.is-error{color:var(--red)}.field-hint.is-success{color:var(--green)}.form-actions{gap:12px;margin-top:24px;display:flex}.empty-state{font-family:var(--font-mono);color:var(--text-dim);text-align:center;border:1px dashed var(--border);border-radius:8px;padding:32px;font-size:1rem}.group-list{margin:0;padding:0;list-style:none}.group-card{background:var(--bg);border:1px solid var(--border);border-radius:8px;margin-bottom:16px;padding:20px 24px}.site-card{background:var(--bg);border:1px solid var(--border);border-radius:6px;margin-bottom:8px;margin-left:1rem;padding:12px 16px}.group-head,.site-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.add-row{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.error-banner{color:var(--red);margin-bottom:.5rem;font-size:1rem}.group-name{color:var(--text);font-weight:600}.group-slug{color:var(--text-muted);font-size:1rem}.site-row{border-top:1px solid var(--border);padding:12px 0}.site-row-head{align-items:center;gap:12px;display:flex}.endpoints-list{margin-top:8px;padding-left:16px;font-size:1rem}.endpoint-row{color:var(--text-muted);align-items:center;gap:8px;padding:4px 0;display:flex}.status-dot{background:var(--text-dim);border-radius:50%;width:8px;height:8px;display:inline-block}.status-dot.healthy{background:var(--green)}.status-dot.degraded{background:var(--yellow)}.status-dot.down{background:var(--red)}@media (max-width:768px){.settings-layout{grid-template-columns:1fr}.settings-nav{border-right:none;border-bottom:1px solid var(--border);padding:16px}.settings-nav ul{flex-wrap:wrap;gap:8px;display:flex}.settings-nav-item{border-bottom:2px solid #0000;border-left:none;padding:8px 12px}.settings-nav-item.is-active{border-left-color:#0000;border-bottom-color:var(--accent)}.settings-nav-item:not(:disabled):not(.is-active):hover{border-left-color:#0000;border-bottom-color:var(--text)}.settings-content{padding:32px 20px}}.settings-nav-slot{border-left:2px solid #0000;padding:.35rem .5rem .3rem}.settings-nav-slot.is-active{border-left-color:var(--accent)}.ecosystem-popup{flex-direction:column;display:flex}.ecosystem-popup__trigger{background:var(--surface);width:100%;color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:6px;justify-content:space-between;align-items:center;gap:.5rem;padding:.4rem .6rem;font-size:.8rem;display:flex}.ecosystem-popup__trigger:hover{border-color:var(--border-accent)}.ecosystem-popup__trigger:focus-visible{border-color:var(--accent);outline:none}.ecosystem-popup__chevron{color:var(--text-muted);flex-shrink:0}