:root {
  --idp-bg: #f8fafc;
  --idp-surface: #ffffff;
  --idp-border: #e2e8f0;
  --idp-text: #0f172a;
  --idp-subtext: #475569;
  --idp-primary: #2563eb;
  --idp-primary-hover: #1d4ed8;
}

html {
  font-size: 16px;
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(145deg, #eff6ff 0%, var(--idp-bg) 45%, #ecfeff 100%);
  color: var(--idp-text);
}

.idp-container {
  max-width: 1120px;
}

.idp-header {
  z-index: 40;
}

.idp-nav {
  border-bottom: 1px solid var(--idp-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.idp-brand {
  font-weight: 700;
  color: var(--idp-text) !important;
}

.idp-main {
  padding-top: 2rem;
}

.idp-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--idp-border);
  background: rgba(255, 255, 255, 0.7);
  padding: 1rem 0;
}

.idp-card {
  border: 1px solid var(--idp-border);
  border-radius: 1rem;
  background: var(--idp-surface);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  padding: 1.25rem;
}

.idp-title {
  margin-bottom: 1rem;
  font-size: 1.8rem;
  font-weight: 700;
}

.idp-subtitle {
  margin-bottom: 1rem;
  color: var(--idp-subtext);
  font-size: 0.95rem;
}

.form-label {
  color: var(--idp-subtext);
  font-weight: 600;
}

.form-control,
.form-check-input {
  border-color: #cbd5e1;
  border-radius: 0.75rem;
}

.form-control:focus,
.form-check-input:focus,
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.2);
}

.btn-primary {
  border: none;
  border-radius: 999px;
  background-color: var(--idp-primary);
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--idp-primary-hover);
}

.text-muted,
.form-text {
  color: #64748b !important;
}