:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(255, 255, 255, 0.08);
  --text: #eaf2ff;
  --muted: #aab6cb;
  --accent: #5ad0ff;
  --accent-strong: #2f84ff;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top left, #14315a, var(--bg) 48%);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5vw;
  background: rgba(7, 17, 31, 0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 0.7rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }
.brand-mark { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; box-shadow: var(--shadow); flex: 0 0 auto; }
.nav-links { display: flex; gap: 1rem; color: var(--muted); }
.nav-links a.active { color: white; }
.portal-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 5vw 4rem;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(300px, 430px) 1fr;
  align-items: start;
}
.login-card, .dashboard-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.eyebrow {
  display: inline-block;
  margin: 0 0 0.5rem;
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
}
h1, h2, h3 { margin-top: 0; }
.intro, .hint, .detail-card li, .detail-card span { color: var(--muted); }
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.field input, .field select {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 0.9rem 1rem;
  border-radius: 14px;
  outline: none;
  font: inherit;
}
.btn { display: inline-block; padding: 0.9rem 1.3rem; border-radius: 999px; font-weight: 700; border: 0; cursor: pointer; }
.btn-primary { color: white; background: linear-gradient(135deg, var(--accent), var(--accent-strong)); }
.btn-secondary { color: white; background: rgba(255,255,255,0.08); border: 1px solid var(--border); }
.link-btn { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0.4rem 0; text-decoration: underline; display: block; margin-top: 0.6rem; }
.pill { display: inline-block; padding: 0.45rem 0.75rem; border-radius: 999px; background: rgba(90, 208, 255, 0.16); color: var(--accent); font-weight: 700; }
.dashboard-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.details-grid { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.detail-card { padding: 1rem; border: 1px solid var(--border); background: rgba(255,255,255,0.05); border-radius: 18px; }
.detail-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.45rem; }
@media (max-width: 860px) {
  .portal-shell { grid-template-columns: 1fr; }
  .details-grid { grid-template-columns: 1fr; }
}