:root { --gtba-bg:#08111d; --gtba-panel:#0f1c2b; --gtba-panel-2:#13263b; --gtba-text:#f4f8fb; --gtba-muted:#91a4b7; --gtba-green:#1bc789; --gtba-border:rgba(255,255,255,.09); }
body { min-height:100vh; background:var(--gtba-bg); color:var(--gtba-text); font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; letter-spacing:0; }
.app-shell { min-height:100vh; display:grid; grid-template-columns:260px 1fr; }
.app-shell.auth-shell { display:block; }
.sidebar { position:sticky; top:0; height:100vh; display:flex; flex-direction:column; padding:24px 18px; border-right:1px solid var(--gtba-border); background:#091827; }
.brand { display:flex; align-items:center; gap:12px; color:var(--gtba-text); text-decoration:none; margin-bottom:34px; }
.brand small { display:block; color:var(--gtba-muted); }
.brand-mark { width:44px; height:44px; display:grid; place-items:center; border-radius:8px; background:var(--gtba-green); color:#04150e; font-weight:950; }
.nav-link { color:var(--gtba-muted); border-radius:8px; font-weight:700; }
.nav-link:hover { color:var(--gtba-text); background:rgba(27,199,137,.14); }
.nav-link.active { color:var(--gtba-text); background:rgba(27,199,137,.18); box-shadow:inset 4px 0 0 var(--gtba-green); }
.sidebar-footer { margin-top:auto; }
.content { min-width:0; padding:30px; }
.auth-wrap { min-height:100svh; display:grid; place-items:center; padding:32px; }
.auth-card { width:min(100%,460px); border:1px solid var(--gtba-border); border-radius:8px; background:var(--gtba-panel); padding:34px; }
.eyebrow { color:var(--gtba-green); font-size:11px; font-weight:900; text-transform:uppercase; letter-spacing:.08em; margin-bottom:6px; }
.page-header { display:flex; justify-content:space-between; gap:24px; align-items:flex-start; margin-bottom:24px; }
.metric-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.metric-card,.panel,.app-card { border:1px solid var(--gtba-border); border-radius:8px; background:var(--gtba-panel); padding:20px; }
.clickable-card { cursor:pointer; transition:border-color .15s ease, transform .15s ease, background .15s ease; }
.clickable-card:hover,.clickable-card:focus-visible { border-color:rgba(27,199,137,.55); background:var(--gtba-panel-2); transform:translateY(-1px); outline:none; }
.metric-card span { color:var(--gtba-muted); }
.metric-card strong { display:block; font-size:30px; margin:6px 0 12px; }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.panel-title { display:flex; justify-content:space-between; align-items:center; gap:14px; margin-bottom:10px; }
.panel h2,.app-card h2 { font-size:20px; margin-bottom:12px; }
.app-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; }
.details { display:grid; grid-template-columns:110px minmax(0,1fr); gap:8px 14px; margin:16px 0; }
.details dt { color:var(--gtba-muted); font-weight:700; }
.details dd { margin:0; overflow-wrap:anywhere; }
.list-line { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:6px 14px; padding:10px 0; border-bottom:1px solid var(--gtba-border); }
.list-line small { grid-column:1 / -1; color:var(--gtba-muted); }
.log-box { max-height:360px; overflow:auto; padding:14px; background:#06101c; border:1px solid var(--gtba-border); border-radius:8px; color:#d6e3ee; white-space:pre-wrap; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.span-2 { grid-column:1 / -1; }
.button-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; }
.toast-message { position:sticky; top:10px; z-index:5; }
.issue { border-left:3px solid var(--gtba-green); padding:10px 0 10px 14px; }
.issue-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px 18px; }
.readiness-list { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin:14px 0; }
.readiness-item { border:1px solid var(--gtba-border); border-radius:8px; padding:8px; background:#0a1624; }
.readiness-item span { display:block; font-weight:800; }
.readiness-item small { color:var(--gtba-muted); }
.readiness-item.ready { border-color:rgba(27,199,137,.35); }
.readiness-item.blocked { border-color:rgba(255,193,7,.25); }
.resource-tab-pane { display:none; }
.resource-tab-pane.active { display:block; }
.resource-tabs .nav-link.active { color:var(--gtba-text); border-color:rgba(27,199,137,.55); background:rgba(27,199,137,.16); box-shadow:inset 4px 0 0 var(--gtba-green); }
.capability-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; }
.capability-card { display:flex; justify-content:space-between; gap:12px; min-height:150px; color:var(--gtba-text); text-decoration:none; border:1px solid var(--gtba-border); border-radius:8px; background:#0a1624; padding:16px; }
.capability-card:hover { border-color:rgba(27,199,137,.45); background:var(--gtba-panel-2); }
.backup-nav { display:flex; flex-wrap:wrap; gap:8px; }
.backup-nav a { color:var(--gtba-text); text-decoration:none; border:1px solid var(--gtba-border); border-radius:8px; padding:8px 10px; background:#0a1624; font-weight:800; }
.backup-nav a:hover { border-color:rgba(27,199,137,.45); background:var(--gtba-panel-2); }
.dns-flow { display:grid; grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr); gap:10px; align-items:stretch; }
.dns-flow > div:not(.dns-arrow) { border:1px solid var(--gtba-border); border-radius:8px; background:#0a1624; padding:12px; min-width:0; }
.dns-flow span { display:block; color:var(--gtba-muted); font-size:12px; font-weight:800; }
.dns-flow strong { display:block; overflow-wrap:anywhere; }
.dns-arrow { display:grid; place-items:center; color:var(--gtba-green); font-weight:900; }
@media (max-width: 960px) { .app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.metric-grid,.grid-2,.app-grid,.button-grid,.form-grid{grid-template-columns:1fr}.content{padding:20px}.page-header{display:block} }
@media (max-width: 960px) { .issue-grid,.dns-flow,.capability-grid{grid-template-columns:1fr}.dns-arrow{display:none} }
.network-metrics { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:14px; margin:18px 0 0; }
.network-metrics div { border-left:3px solid var(--gtba-green); padding-left:12px; }
.network-metrics dt { color:var(--gtba-muted); font-size:.82rem; font-weight:500; }
.network-metrics dd { margin:4px 0 0; font-weight:700; }
.port-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:12px; }
.port-tile { min-width:0; border:1px solid var(--gtba-border); border-left:4px solid #778491; border-radius:6px; padding:14px; color:var(--gtba-text); text-decoration:none; background:rgba(255,255,255,.02); }
.port-tile:hover { background:var(--gtba-panel-2); color:var(--gtba-text); }
.port-tile.active { border-left-color:var(--gtba-green); }.port-tile.down,.port-tile.fault { border-left-color:#e84b5f; }.port-tile.expected-down,.port-tile.disabled { opacity:.72; }
.port-top { display:flex; align-items:center; justify-content:space-between; gap:8px; }.port-top span,.port-warning { font-size:.72rem; font-weight:700; }
.port-tile small { display:block; min-height:42px; margin:8px 0; color:var(--gtba-muted); overflow-wrap:anywhere; }
.port-tile dl { display:grid; grid-template-columns:auto 1fr; gap:3px 8px; margin:0; font-size:.8rem; }.port-tile dd { margin:0; text-align:right; }
.port-warning { color:#ff8a98; display:block; margin-top:8px; }.network-period { width:auto; }.network-chart { width:100%; height:260px; background:#08111d; border:1px solid var(--gtba-border); }
.network-live-state { display:flex; flex-direction:column; align-items:flex-end; gap:6px; }.network-live-state small { color:var(--gtba-muted); }
.network-port-controls { display:flex; align-items:center; gap:14px; }.network-port-controls label { color:var(--gtba-muted); font-size:.85rem; white-space:nowrap; }
[data-network-ports] .inactive-port { display:none; }[data-network-ports].show-inactive .inactive-port,[data-network-ports] .inactive-port.observed-down { display:block; }
@media (max-width: 1100px) { .port-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.network-metrics{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width: 600px) { .port-grid,.network-metrics{grid-template-columns:1fr} }