html {
  font-size: 14px;
}

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

.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 var(--primary-color);
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

:root {
  --primary-color: #0b63d8;
  /* Ucademy-like blue */
  --accent-color: #ffd966;
  /* warm yellow */
  --muted: #6c757d;
  --bg: #ffffff;
}

/* Navbar */
.navbar {
  background: linear-gradient(90deg, rgba(11, 99, 216, 1) 0%, rgba(10, 80, 190, 1) 100%);
}

.navbar .navbar-brand,
.navbar .nav-link {
  color: white !important;
}

/* Primary buttons */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #0953b8;
  border-color: #0953b8;
}

/* Accent highlights */
.highlight-accent {
  background-color: var(--accent-color);
  color: #222;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.container main h1 {
  color: var(--primary-color);
}

/* Logo in navbar */
.navbar-brand img {
  height: 36px;
}

/* Footer */
.footer {
  background: #f8f9fa;
  padding: 1rem 0;
  color: var(--muted);
}

.footer a {
  color: var(--primary-color);
}

.footer a:hover {
  color: #083c88;
}

/* Links */
a {
  color: var(--primary-color);
}

a:hover {
  color: #083c88;
  text-decoration: underline;
}

/* Forms */
.form-control {
  border-radius: 6px;
  border-color: #e3e6ea;
}

/* Cards (used for class/assignment lists) */
.card-custom {
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid #e9eef8;
}

/* Responsive tweaks */
@media (max-width: 576px) {
  .navbar {
    padding: 0.5rem 0.75rem;
  }

  .navbar-brand img {
    height: 32px;
  }
}

/* Content blocks - prevent text overflow */
.content-display {
  word-wrap: break-word;
  word-break: break-word;
  overflow-wrap: break-word;
  white-space: normal;
  max-width: 100%;
  overflow: hidden;
}

.content-display * {
  max-width: 100%;
}