/* Prometheus portal — hyperion-style HUD + card grid.
   Dark is the default (Library); add class "theme-light" for the family paths. */

:root {
  --bg-base: #020406;
  --bg-surface: #0c1017;
  --bg-card: rgba(14, 20, 28, 0.88);
  --bg-card-hover: rgba(22, 32, 45, 0.96);
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-active: rgba(0, 255, 102, 0.4);

  --accent-cyan: #00e5ff;
  --accent-green: #00ff66;
  --accent-blue: #3b82f6;
  --accent-amber: #f59e0b;
  --accent-purple: #a855f7;
  --accent-rose: #fb7185;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 12px;
  --gap: clamp(0.85rem, 0.5rem + 1.2vw, 1.4rem);
}

.theme-light {
  --bg-base: #f4f7fb;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f5ff;
  --border-subtle: rgba(15, 23, 42, 0.12);
  --border-active: rgba(37, 99, 235, 0.4);

  --accent-cyan: #0891b2;
  --accent-green: #16a34a;
  --accent-blue: #2563eb;
  --accent-amber: #d97706;
  --accent-purple: #7c3aed;
  --accent-rose: #e11d48;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
}

* { box-sizing: border-box; }
html, body { margin: 0; }

.portal {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.5;
}
.portal--dark::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vw at 85% 12%, rgba(0, 229, 255, 0.08), transparent 60%),
    radial-gradient(50vw 50vw at 10% 90%, rgba(0, 255, 102, 0.06), transparent 60%);
}

.portal__hud {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  background: color-mix(in srgb, var(--bg-base) 82%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.portal__brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: inherit; }
.portal__symbol {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--accent-cyan);
  font-size: 1.1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 9px;
  background: var(--bg-card);
}
.portal__brandTitle {
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0;
}
.portal__brandSub {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.portal__actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.portal__link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  background: var(--bg-card);
}
.portal__link:hover { color: var(--text-main); border-color: var(--border-active); }

.portal__main {
  flex: 1;
  z-index: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2.4rem) clamp(1rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.crumb {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.crumb a { color: var(--text-muted); text-decoration: none; }
.crumb a:hover { color: var(--accent-cyan); }
.crumb span[aria-current] { color: var(--text-main); }

.portal__intro h1 {
  font-size: clamp(1.5rem, 1.1rem + 2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0 0 0.35rem;
}
.portal__intro p { margin: 0; color: var(--text-muted); max-width: 62ch; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}
.grid--tight { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

.card {
  --accent: var(--accent-cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.18s ease, background 0.18s ease;
}
.card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 12%;
  height: 76%;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
  opacity: 0.85;
}
a.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 55%, transparent); background: var(--bg-card-hover); }
a.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.card__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent) 85%, var(--text-main));
}
.card__title { font-size: 1.15rem; font-weight: 700; margin: 0; display: flex; align-items: center; gap: 0.5rem; }
.card__title .emoji { font-size: 1.3rem; }
.card__desc { margin: 0; color: var(--text-muted); font-size: 0.94rem; }
.card__status {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.24rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
}
.card--soon { opacity: 0.72; }
.card--soon::after { opacity: 0.4; }
.card--soon a, .card--soon { cursor: default; }
.card--live .card__status { color: color-mix(in srgb, var(--accent) 90%, var(--text-main)); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

.portal__foot {
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  padding: 0.9rem clamp(1rem, 3vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.portal__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-green); display: inline-block; margin-right: 0.4rem; box-shadow: 0 0 8px var(--accent-green); }

@media (prefers-reduced-motion: reduce) {
  a.card, .card { transition: none; }
}