body { background: #f1f5f9; min-height: 100vh; }
main { max-width: 900px; margin: 40px auto; }
h1 { color: #142c48; }
.overview { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1px; border: 1px solid #d8e2ed; border-radius: 12px; overflow: hidden; background: #d8e2ed; margin: 24px 0; }
.overview > div { background: #fff; padding: 16px 20px; }
.overview span { display: block; color: #64748b; font-size: 12px; margin-bottom: 8px; }
.overview strong { display: block; font-size: 15px; overflow-wrap: anywhere; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.step-number { display: inline-block; font: 12px Consolas, monospace; color: #0f766e; background: #e5f4f0; border-radius: 6px; padding: 5px 7px; margin-right: 7px; vertical-align: 2px; }
.mode-badge { color: #355778; background: #edf3f9; border-radius: 20px; padding: 6px 10px; font-size: 12px; white-space: nowrap; }
.account-tools { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.account-tools .hint { flex: 1; }
.account-tools button { flex-shrink: 0; }
#subscription-state { margin-bottom: 0; }
#business-fields { padding-top: 8px; }
#promo-field { margin-bottom: 16px; font-size: 13px; }
#promo-field summary { cursor: pointer; color: #475569; padding: 8px 0; }
#promo-field label { margin-top: 8px; }
#error-action { margin-bottom: 16px; }
#capability-note { border-left: 3px solid #b97735; padding-left: 12px; }
.network-panel { margin: 18px 0; padding: 18px; border: 1px solid #d8e2ed; border-radius: 12px; background: #f8fafc; }
.network-panel h3 { margin: 0 0 14px; font-size: 15px; }
.route-path { color: #0f766e; font-size: 13px; line-height: 1.7; overflow-wrap: anywhere; white-space: pre-wrap; }
.network-panel .actions { flex-wrap: wrap; }
.login-page { max-width: 500px; }
.login-error { color: #b45309; }
.logout-button { float: right; }
#node-import { margin-top: 16px; padding-top: 14px; border-top: 1px solid #d8e2ed; }
@media (max-width: 560px) { .overview { grid-template-columns: 1fr; } .overview > div { padding: 12px 16px; } .account-tools { align-items: stretch; flex-direction: column; gap: 4px; } .section-title { gap: 12px; } }
@media (prefers-color-scheme: dark) { body { background: #111b27; } h1 { color: #e0ecf9; } .overview { border-color: #334155; background: #334155; } .overview > div { background: #19232e; } .overview span { color: #a2b0c2; } .step-number { color: #9ce5d5; background: #17463e; } .mode-badge { color: #c0d4ed; background: #253a53; } #promo-field summary { color: #c0d4ed; } }
@media (prefers-color-scheme: dark) { .network-panel { background: #19232e; border-color: #334155; } .route-path { color: #9ce5d5; } }