@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,600;9..144,700&display=swap');

:root {
  --hub-primary: #5e2d82;
  --hub-primary-dark: #470a66;
  --hub-bg: #0f0e12;
  --hub-card: #1a1820;
  --hub-border: #2d2a35;
  --hub-text: #f4f2f7;
  --hub-muted: #9d97a8;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
}

html.light {
  --hub-bg: #f8f8f8;
  --hub-card: #ffffff;
  --hub-border: #e5e5e5;
  --hub-text: #131313;
  --hub-muted: #636363;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  background: var(--hub-bg);
  color: var(--hub-text);
  -webkit-font-smoothing: antialiased;
}

.hub-layout { display: flex; min-height: 100vh; }
.hub-sidebar {
  display: none;
  width: 15rem;
  flex-shrink: 0;
  flex-direction: column;
  border-right: 1px solid var(--hub-border);
  background: color-mix(in srgb, var(--hub-card) 80%, transparent);
  padding: 1rem;
}
@media (min-width: 1024px) { .hub-sidebar { display: flex; } }

.hub-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  padding: 0.25rem 0.5rem;
  text-decoration: none;
  color: inherit;
}
.hub-brand__mark {
  display: flex;
  height: 2.5rem;
  width: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--hub-primary);
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
}
.hub-brand__title { font-family: var(--font-display); font-size: 1.1rem; line-height: 1.2; }
.hub-brand__sub { font-size: 0.7rem; color: var(--hub-muted); }

.hub-nav { display: flex; flex-direction: column; gap: 0.25rem; }
.hub-nav a {
  display: flex;
  padding: 0.55rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--hub-muted);
  text-decoration: none;
}
.hub-nav a:hover, .hub-nav a.is-active {
  background: color-mix(in srgb, var(--hub-primary) 22%, transparent);
  color: var(--hub-text);
}

.hub-main { display: flex; min-width: 0; flex: 1; flex-direction: column; }
.hub-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px solid var(--hub-border);
  background: color-mix(in srgb, var(--hub-bg) 88%, transparent);
  padding: 0.75rem 1rem;
  backdrop-filter: blur(10px);
}
.hub-search {
  flex: 1;
  max-width: 22rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--hub-border);
  border-radius: 999px;
  background: var(--hub-card);
  color: var(--hub-text);
  font-size: 0.875rem;
}
.hub-topbar__actions { display: flex; align-items: center; gap: 0.5rem; }
.hub-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.1rem;
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.hub-btn--primary { background: var(--hub-primary); color: #fff; }
.hub-btn--primary:hover { background: var(--hub-primary-dark); }
.hub-btn--ghost { border: 1px solid var(--hub-border); background: transparent; color: var(--hub-muted); }

.hub-content { flex: 1; padding: 1.25rem 1rem 2rem; }
@media (min-width: 1024px) { .hub-content { padding: 1.5rem 2rem 2.5rem; } }

.hub-hero {
  margin-bottom: 1.75rem;
  padding: 2rem;
  border: 1px solid var(--hub-border);
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--hub-primary-dark), var(--hub-primary);
}
.hub-hero h1 { margin: 0; font-family: var(--font-display); font-size: clamp(2rem, 5vw, 2.75rem); }
.hub-hero p { margin: 0.75rem 0 0; max-width: 36rem; color: rgba(255, 255, 255, 0.88); }
.hub-hero__actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1.25rem; }

.hub-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.hub-card {
  display: block;
  padding: 1.15rem;
  border: 1px solid var(--hub-border);
  border-radius: 1rem;
  background: var(--hub-card);
  color: inherit;
  text-decoration: none;
}
.hub-card:hover { border-color: color-mix(in srgb, var(--hub-primary) 45%, var(--hub-border)); }
.hub-card h3 { margin: 0 0 0.65rem; font-size: 1rem; }
.hub-card ul { margin: 0; padding: 0; list-style: none; font-size: 0.85rem; color: var(--hub-muted); }

.hub-section-title { margin: 0 0 1rem; font-family: var(--font-display); font-size: 1.75rem; }
.hub-panel {
  padding: 1.25rem;
  border: 1px solid var(--hub-border);
  border-radius: 1rem;
  background: var(--hub-card);
}
.hub-footer-note { margin-top: 2rem; text-align: center; font-size: 0.75rem; color: var(--hub-muted); }
.hub-footer-note a { color: var(--hub-primary); }

.hub-mobile-nav { display: flex; gap: 0.35rem; overflow-x: auto; padding-bottom: 0.75rem; margin-bottom: 1rem; }
@media (min-width: 1024px) { .hub-mobile-nav { display: none; } }
.hub-mobile-nav a {
  flex-shrink: 0;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--hub-border);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--hub-muted);
  text-decoration: none;
}