:root {
  color-scheme: dark;
  --bg: #08111f;
  --surface: #101c2d;
  --surface-2: #16243a;
  --line: #243650;
  --text: #eef5ff;
  --muted: #8ea1bb;
  --accent: #48a7ff;
  --accent-2: #7bd6c5;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; font: 15px/1.5 Inter, ui-sans-serif, system-ui, sans-serif; background: var(--bg); color: var(--text); }
button, input { font: inherit; }
button { border: 0; border-radius: 10px; padding: .8rem 1rem; color: #06111f; background: var(--accent); font-weight: 750; cursor: pointer; }
button:disabled { color: var(--muted); background: #22334a; cursor: not-allowed; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 2rem; background: radial-gradient(circle at 50% 0%, #173352 0, var(--bg) 48%); }
.login-card { width: min(430px, 100%); padding: 2.6rem; border: 1px solid var(--line); border-radius: 24px; background: rgba(16,28,45,.92); box-shadow: 0 30px 80px #0007; }
.brand-mark { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 15px; color: #04101e; background: linear-gradient(135deg,var(--accent),var(--accent-2)); font-size: 1.7rem; font-weight: 900; }
.brand-mark.small { width: 36px; height: 36px; border-radius: 10px; font-size: 1.1rem; }
.eyebrow { margin: 1.4rem 0 .2rem; color: var(--accent-2); font-size: .72rem; letter-spacing: .16em; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
.login-card h1 { margin-bottom: .25rem; font-size: 2.6rem; }
.muted, .panel p, .empty-state p { color: var(--muted); }
.stack { display: grid; gap: .65rem; margin-top: 2rem; }
label { color: #c8d6e9; font-weight: 700; }
input { width: 100%; padding: .85rem 1rem; color: var(--text); border: 1px solid var(--line); border-radius: 10px; background: #091526; outline: none; }
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px #48a7ff22; }
.error { margin: 0; color: #ff9a9a; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 240px 1fr; }
.sidebar { display: flex; flex-direction: column; padding: 1.5rem; border-right: 1px solid var(--line); background: #0b1626; }
.brand-row { display: flex; align-items: center; gap: .8rem; font-size: 1.2rem; }
nav { display: grid; gap: .35rem; margin-top: 2.5rem; }
nav a, nav span { padding: .75rem .9rem; border-radius: 9px; color: var(--muted); text-decoration: none; }
nav .active { color: var(--text); background: var(--surface-2); }
.sidebar form { margin-top: auto; }
.quiet { width: 100%; color: var(--muted); background: transparent; border: 1px solid var(--line); }
.content { padding: 2.2rem clamp(1.2rem,4vw,4rem); }
.content header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.content header .eyebrow { margin-top: 0; }
.status { padding: .5rem .8rem; border: 1px solid #285047; border-radius: 999px; color: #9be3d5; background: #102b28; }
.status i { display: inline-block; width: 8px; height: 8px; margin-right: .4rem; border-radius: 50%; background: #55d8ad; }
.summary-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 1.5rem 0; }
.summary-grid article, .panel { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.summary-grid article { padding: 1.25rem; }
.summary-grid span { display: block; color: var(--muted); }
.summary-grid strong { display: block; margin-top: .5rem; font-size: 2rem; }
.panel { padding: 1.5rem; }
.panel-heading h2 { margin-bottom: .2rem; }
.empty-state { margin: 1.5rem 0; padding: 1.2rem; border: 1px dashed #385171; border-radius: 12px; background: #0b1727; }
.empty-state h3 { margin-bottom: .25rem; }
.provider-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .8rem; }
.provider-card { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: .8rem; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); }
.provider-card small { display: block; color: var(--muted); }
.provider-card button { grid-column: 1 / -1; }
.provider-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; color: #071321; background: #a8d5ff; font-weight: 900; }
@media (max-width: 780px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .summary-grid, .provider-grid { grid-template-columns: 1fr; }
  .content { padding: 1.2rem; }
}