/**
 * Blue Devine Nexus — core theme (typography, colors, cards)
 */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Rajdhani:wght@500;600;700&display=swap');

:root {
  --bg: #050608;
  --bg-elevated: #0c1018;
  --bg-card: rgba(18, 22, 32, 0.92);
  --bg-card-solid: #121620;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(110, 182, 255, 0.35);
  --text: #f4f7fb;
  --muted: #9aa8bc;
  --accent: #38bdf8;
  --accent-deep: #0ea5e9;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --gold: #f0c14d;
  --online: #4ade80;
  --offline: #f87171;
  --discord: #5865f2;
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display: 'Rajdhani', system-ui, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
  --header-h: 64px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  font-size: 0.9375rem;
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 50% -5%, rgba(14, 165, 233, 0.08), transparent 55%),
    var(--bg);
  pointer-events: none;
  z-index: 0;
}

.bg-grid::after {
  display: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.65rem 1.5rem;
  background: rgba(5, 6, 8, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo-text em {
  font-style: normal;
  color: var(--accent);
  font-weight: 700;
}

nav {
  gap: 0.15rem;
}

nav a {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  border-bottom: none;
}

nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

nav a.active {
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  font-weight: 700;
}

main {
  max-width: 1280px;
  padding: 0 1.5rem 3rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow-card);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-display);
  color: var(--accent);
  letter-spacing: 0.2em;
  font-weight: 600;
}

.lead {
  font-size: 1rem;
  line-height: 1.65;
}

.btn {
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: linear-gradient(180deg, #38bdf8 0%, #0ea5e9 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.btn-ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.panel-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.panel-grid .card {
  display: flex;
  flex-direction: column;
  min-height: 180px;
}

.panel-grid .card h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
}

.meta div {
  padding: 0.55rem 0.75rem;
  background: rgba(0, 0, 0, 0.35);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.account-section > h2,
.phase4-head h2,
.vault-section > h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.account-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.account-meta div {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
}

.account-meta dt {
  font-family: var(--font-display);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.account-meta dd {
  font-size: 1.1rem;
  font-weight: 700;
}

.connect-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.grow-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.grow-tier {
  display: flex;
  flex-direction: column;
  min-height: 200px;
}

.grow-tier-btns {
  margin-top: auto;
  padding-top: 0.75rem;
}

.auth-user-chip {
  font-weight: 600;
  font-size: 0.85rem;
}

code {
  font-size: 0.85em;
  padding: 0.12em 0.4em;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  color: var(--accent);
}