:root {
  --bg: #08111f;
  --bg-soft: #101c31;
  --card: rgba(14, 27, 49, 0.84);
  --line: rgba(151, 177, 255, 0.18);
  --text: #eef4ff;
  --muted: #9db0cf;
  --accent: #2f6fed;
  --accent-soft: #8eb4ff;
  --danger: #d96c6c;
  --warning: #d9a95f;
  --success: #63c286;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(47,111,237,0.22), transparent 28%),
    radial-gradient(circle at bottom right, rgba(142,180,255,0.16), transparent 24%),
    linear-gradient(180deg, #07101d 0%, #0b1525 100%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.site-header,
.hero,
.dashboard-grid,
.stats-grid,
.hero-actions,
.header-actions,
.list-item,
.compact,
.auth-layout {
  display: flex;
}

.site-header,
.list-item,
.compact {
  justify-content: space-between;
  align-items: center;
}

.site-header {
  margin-bottom: 24px;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 700;
}

.header-actions {
  gap: 12px;
  align-items: center;
}

.hero {
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.card,
.auth-card,
.profile-card,
.host-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
}

.hero-copy,
.card,
.auth-card {
  padding: 28px;
}

.hero-copy {
  flex: 1.3;
}

.card {
  flex: 1;
}

.eyebrow {
  display: inline-block;
  color: var(--accent-soft);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .75rem;
  margin-bottom: 12px;
}

h1, h2 { margin-top: 0; }

.button {
  border: 1px solid var(--line);
  padding: 12px 16px;
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  background: transparent;
  cursor: pointer;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #4d8bff);
  border-color: transparent;
}

.button.wide {
  display: block;
  width: 100%;
  text-align: center;
}

.flash-stack {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.flash {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.flash.success { background: rgba(99,194,134,.12); border-color: rgba(99,194,134,.35); }
.flash.warning { background: rgba(217,169,95,.12); border-color: rgba(217,169,95,.35); }
.flash.danger { background: rgba(217,108,108,.12); border-color: rgba(217,108,108,.35); }

.auth-layout {
  justify-content: center;
}

.auth-card {
  width: min(620px, 100%);
}

.demo-box {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.demo-box form {
  display: flex;
  gap: 10px;
}

.auth-form {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.auth-link-row {
  margin-top: 16px;
}

.auth-link-row a {
  color: var(--accent-soft);
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.dashboard-grid {
  flex-wrap: wrap;
  gap: 20px;
}

.dashboard-grid > .card,
.dashboard-grid > .profile-card {
  width: calc(50% - 10px);
}

.profile-card {
  width: 100%;
  padding: 28px;
}

.stats-grid {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.stat {
  min-width: 180px;
  flex: 1;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--line);
}

.stat span,
.muted {
  color: var(--muted);
}

.list {
  display: grid;
  gap: 12px;
}

.list-item {
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}

.host-block {
  padding: 14px;
  display: grid;
  gap: 10px;
}

.compact {
  padding: 10px 0;
}

@media (max-width: 900px) {
  .hero,
  .dashboard-grid > .card,
  .dashboard-grid > .profile-card,
  .demo-box form {
    display: block;
    width: 100%;
  }

  .hero {
    display: grid;
  }

  .dashboard-grid > .card,
  .dashboard-grid > .profile-card {
    width: 100%;
  }

  .demo-box form > * + * {
    margin-top: 10px;
  }
}