:root {
  --demo-bg: #f4f7f8;
  --demo-panel: #ffffff;
  --demo-text: #0f172a;
  --demo-muted: #475569;
  --demo-brand: #1fa87a;
  --demo-brand-dark: #187f5d;
  --demo-accent: #0f766e;
  --demo-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--demo-text);
  background: radial-gradient(circle at top right, rgba(31, 168, 122, 0.18), transparent 26%), linear-gradient(180deg, #f8fbfc 0%, var(--demo-bg) 100%);
}
.demo-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}
.demo-entry-page .demo-shell {
  min-height: 100vh;
  display: grid;
  align-content: center;
  gap: 28px;
}
.demo-hero, .demo-profile-card, .demo-notes, .demo-profile-summary, .demo-module-card, .demo-dashboard-header {
  background: var(--demo-panel);
  border: 1px solid rgba(219, 228, 234, 0.9);
  box-shadow: var(--demo-shadow);
}
.demo-hero {
  border-radius: 28px;
  padding: 36px;
}
.demo-logo {
  width: 220px;
  height: 48px;
  object-fit: cover;
  object-position: center;
  display: block;
  margin-bottom: 18px;
}
.demo-logo-small { width: 180px; height: 40px; margin-bottom: 12px; }
.demo-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(31, 168, 122, 0.12);
  color: var(--demo-brand-dark);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.demo-hero h1, .demo-dashboard-header h1 {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
}
.demo-hero p, .demo-dashboard-header p, .demo-profile-card p, .demo-summary-item p, .demo-module-copy p {
  color: var(--demo-muted);
  line-height: 1.6;
}
.demo-profiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.demo-profile-card { border-radius: 22px; padding: 24px; }
.demo-profile-card h2 { margin: 0 0 10px; font-size: 1.35rem; }
.demo-enter-button, .demo-secondary-button, .demo-module-link {
  appearance: none;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.demo-enter-button:hover, .demo-secondary-button:hover, .demo-module-link:hover { transform: translateY(-1px); opacity: 0.96; }
.demo-enter-button {
  margin-top: 10px;
  width: 100%;
  padding: 14px 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--demo-brand), var(--demo-accent));
}
.demo-secondary-button {
  padding: 12px 16px;
  color: var(--demo-text);
  background: #eef5f4;
  border: 1px solid #d7e5e1;
}
.demo-notes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  border-radius: 22px;
  padding: 22px 24px;
}
.demo-notes strong, .demo-summary-item strong { display: block; margin-bottom: 8px; }
.demo-dashboard-shell { display: grid; gap: 20px; }
.demo-dashboard-header {
  border-radius: 24px;
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}
.demo-header-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.demo-profile-summary {
  border-radius: 22px;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.demo-summary-item {
  border-radius: 18px;
  padding: 16px;
  background: linear-gradient(180deg, #f8fbfc 0%, #f0f6f5 100%);
  border: 1px solid #ddeae7;
}
.demo-module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.demo-module-card {
  border-radius: 24px;
  overflow: hidden;
}
.demo-module-media {
  width: 100%;
  display: block;
  background: #edf4f3;
}
.demo-module-copy { padding: 20px; }
.demo-module-copy h3 { margin: 0 0 10px; font-size: 1.2rem; }
.demo-module-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(31, 168, 122, 0.12);
  color: var(--demo-brand-dark);
  text-decoration: none;
}
@media (max-width: 760px) {
  .demo-dashboard-header { flex-direction: column; }
  .demo-shell { width: min(100% - 24px, 1180px); padding-top: 24px; }
}