:root {
  --portal-bg: #101010;
  --portal-panel: #181818;
  --portal-line: rgba(255,255,255,.1);
  --portal-text: #f5f5f5;
  --portal-muted: #9b9b9b;
  --portal-neon: #d4ff00;
  --portal-font: 'Inter', sans-serif;
  --portal-display: 'Syne', sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--portal-bg); color: var(--portal-text); font-family: var(--portal-font); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
[hidden] { display: none !important; }
.portal-login { width: min(100% - 48px, 460px); margin: 0 auto; padding: 8vh 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; background: var(--portal-neon); color: #101010; font-weight: 800; }
.eyebrow { margin-top: 84px; color: var(--portal-neon); font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
h1, h2 { font-family: var(--portal-display); letter-spacing: -.04em; }
.portal-login h1 { margin: 14px 0; font-size: clamp(2.5rem, 8vw, 4.5rem); line-height: .96; }
h1 span { color: var(--portal-neon); }
.muted, .empty-state p { color: var(--portal-muted); line-height: 1.7; }
.auth-form { display: grid; gap: 10px; margin-top: 38px; }
label { margin-top: 12px; color: var(--portal-muted); font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
input { width: 100%; padding: 15px 16px; border: 1px solid var(--portal-line); background: var(--portal-panel); color: var(--portal-text); outline: none; }
input:focus { border-color: var(--portal-neon); }
.button { border: 0; padding: 14px 18px; cursor: pointer; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.button-primary { margin-top: 18px; background: var(--portal-neon); color: #101010; }
.button-preview, .button-quiet { border: 1px solid var(--portal-neon); background: transparent; color: var(--portal-neon); }
.form-message { min-height: 22px; color: #ff9a9a; font-size: .85rem; }
.setup-notice { margin-top: 30px; padding: 16px; border: 1px solid rgba(212,255,0,.35); color: var(--portal-neon); font-size: .82rem; line-height: 1.6; }
.portal-dashboard { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar { display: flex; flex-direction: column; padding: 30px 22px; border-right: 1px solid var(--portal-line); background: var(--portal-panel); }
.sidebar nav { display: grid; gap: 6px; margin-top: 70px; }
.nav-item { padding: 13px 14px; color: var(--portal-muted); font-size: .85rem; }
.nav-item:hover, .nav-item.active { background: #202020; color: var(--portal-neon); }
.button-quiet { margin-top: auto; }
.portal-content { width: min(100%, 1320px); padding: 50px clamp(24px, 5vw, 70px); }
.portal-header { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.portal-header .eyebrow { margin-top: 0; }
.portal-header h1 { margin: 10px 0 0; font-size: clamp(2rem, 5vw, 3.8rem); }
.account-chip { padding: 10px 13px; border: 1px solid var(--portal-line); color: var(--portal-muted); font-size: .75rem; }
.metric-grid, .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 48px; }
.metric-card, .portal-card, .empty-state { padding: 24px; border: 1px solid var(--portal-line); background: var(--portal-panel); }
.metric-card span, .metric-card small, .portal-card span { display: block; color: var(--portal-muted); font-size: .78rem; }
.metric-card strong { display: block; margin: 22px 0 8px; color: var(--portal-neon); font-family: var(--portal-display); font-size: 2.5rem; }
.portal-section { margin-top: 70px; scroll-margin-top: 30px; }
.portal-section h2 { margin: 8px 0 20px; font-size: 2rem; }
.portal-card { display: grid; gap: 10px; }
.portal-card strong { font-family: var(--portal-display); font-size: 1.25rem; }
.status { color: var(--portal-neon) !important; }
.empty-state { margin-top: 70px; max-width: 700px; }
@media (max-width: 760px) {
  .portal-dashboard { display: block; }
  .sidebar { min-height: auto; gap: 22px; }
  .sidebar nav { display: flex; overflow-x: auto; margin-top: 20px; }
  .button-quiet { margin-top: 0; align-self: flex-start; }
  .portal-header { align-items: flex-start; flex-direction: column; }
  .metric-grid, .card-grid { grid-template-columns: 1fr; }
}