html.preload .app-shell {
  visibility: hidden;
}

.legacy-only {
  display: none;
}

html.legacy-browser,
html.legacy-browser body {
  margin: 0;
  background: #f3f4f6;
  color: #1f2937;
  font-family: "Segoe UI", Arial, sans-serif;
}

html.legacy-browser .app-shell {
  display: none;
}

html.legacy-browser .legacy-only {
  display: block;
}

.legacy-experience {
  min-height: 100vh;
  padding: 24px 16px;
  background:
    linear-gradient(180deg, #f9fafb, #eef2f7),
    repeating-linear-gradient(135deg, rgba(148, 163, 184, 0.06) 0, rgba(148, 163, 184, 0.06) 2px, transparent 2px, transparent 14px);
}

.legacy-card {
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 20px;
  border: 1px solid #d5dde8;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.legacy-logo {
  width: 72px;
  height: 72px;
  display: block;
  margin-bottom: 16px;
}

.legacy-card h1 {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.1;
}

.legacy-card p {
  margin: 0 0 12px;
  line-height: 1.55;
  color: #475569;
}

.legacy-actions {
  margin-top: 18px;
}

.legacy-btn {
  display: inline-block;
  min-width: 180px;
  margin: 0 10px 10px 0;
  padding: 12px 16px;
  border: 1px solid #435266;
  border-radius: 12px;
  background: #435266;
  color: #ffffff;
  text-decoration: none;
  text-align: center;
  font-weight: 600;
}

.legacy-btn-secondary {
  background: #ffffff;
  color: #435266;
}