:root {
  --school-primary: #2563eb;
  --school-secondary: #7c3aed;
  --school-accent: #f97316;
  --school-success: #16a34a;
  --school-surface: #f5f8ff;
  --school-text: #1f2937;
}

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  min-height: 100vh;
  padding-bottom: 80px; /* leave room for footer */
  color: var(--school-text);
  background:
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.10), transparent 35%),
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.10), transparent 40%),
    #f8fbff;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem rgba(37, 99, 235, 0.4);
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Custom tweaks */
main {
  scroll-margin-top: 5rem;
}

.navbar {
  background: linear-gradient(90deg, #ffffff 0%, #eef4ff 55%, #f3edff 100%) !important;
  isolation: isolate;
}

.navbar-brand img {
  object-fit: cover;
}

.brand-full-logo {
  mix-blend-mode: multiply;
  opacity: 0.98;
  filter: saturate(1.08) contrast(1.03);
}

.navbar .nav-link {
  font-weight: 600;
  color: #1e3a8a !important;
  border-radius: 999px;
  padding: 0.4rem 0.85rem !important;
  transition: all 0.2s ease;
}

.navbar .nav-link:hover {
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--school-primary) !important;
}

.carousel-item img {
  max-height: 520px;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.03);
}

.carousel-caption {
  background: rgba(15, 23, 42, 0.45);
  border-radius: 0.9rem;
  padding: 0.75rem 1rem;
}

.card {
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 1rem;
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(30, 64, 175, 0.14);
}

.bg-light {
  background: linear-gradient(180deg, #f6f9ff 0%, #eef4ff 100%) !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--school-primary), var(--school-secondary));
  border: none;
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, #1d4ed8, #6d28d9);
}

.btn-outline-primary {
  border-color: var(--school-primary);
  color: var(--school-primary);
}

.btn-outline-primary:hover {
  background-color: var(--school-primary);
  border-color: var(--school-primary);
}

.footer {
  background: linear-gradient(90deg, #1e3a8a 0%, #312e81 100%);
  color: #dbeafe !important;
}

.footer .small,
.footer .text-secondary,
.footer .text-muted {
  color: #bfdbfe !important;
}

/* Prevent sticky-top navbar shadow overlap on anchors */
.sticky-top + * {
  scroll-margin-top: 5rem;
}

/* Ensure forms have breathing room at bottom on small screens */
form {
  margin-bottom: 2rem;
}

.announcement-body {
  white-space: pre-line;
}