/* --- UBC Premium Theme Colors ---
   Background: #002145 (Deep Navy)
   Cards/Containers: #003366 (Lighter Navy)
   Interactive/Buttons: #0055B7 (UBC Primary Blue)
   Accents/Highlights: #00A7E1 (UBC Light Blue)
   Text: #FFFFFF & #D9E4F2
----------------------------------- */

body, #root, #app {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #002145;
  min-height: 100vh;
  color: #ffffff;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.2em;
  font-weight: 800;
  letter-spacing: -0.5px;
}

#home-view { 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  text-align: center; 
  padding: 40px 20px; 
}

/* --- Search Bar --- */
.search-container { 
  display: flex; 
  align-items: center; 
  width: 80%; 
  max-width: 800px; 
  margin-top: 25px; 
  border-radius: 30px; 
  overflow: hidden; 
  background-color: #003366;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  border: 2px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-container:focus-within {
  border-color: #00A7E1;
  box-shadow: 0 0 0 4px rgba(0, 167, 225, 0.2);
}

#search-bar { 
  flex: 1; 
  padding: 15px 25px; 
  border: none;
  outline: none; 
  font-size: 18px; 
  color: #ffffff; 
  background-color: transparent; 
  height: 60px; 
  box-sizing: border-box; 
}

#search-bar::placeholder { 
  color: #8da4bd; 
  opacity: 1; 
  font-weight: 400;
}

.search-button { 
  background-color: transparent; 
  border: none;
  padding: 0 25px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  cursor: pointer; 
  height: 60px; 
  transition: transform 0.2s;
}

.search-button:hover {
  transform: scale(1.1);
}

.search-icon { 
  width: 24px; 
  height: 24px; 
  color: #00A7E1; 
}

/* --- Filters & Dropdowns --- */
.filter-container { 
  display: flex; 
  align-items: center; 
  justify-content: center;
  flex-wrap: wrap; 
  gap: 15px; 
  margin-top: 30px; 
  width: 80%; 
  max-width: 1000px; 
}

.filter-container p { 
  margin: 0; 
  font-size: 16px; 
  font-weight: 600;
  color: #8da4bd;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.dropdown { position: relative; display: inline-block; }

.dropdown button { 
  background-color: #003366; 
  color: white; 
  padding: 12px 20px; 
  border: 1px solid #004080; 
  cursor: pointer; 
  border-radius: 25px; 
  font-size: 15px; 
  font-weight: 500;
  height: 45px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: 10px; 
  transition: all 0.2s ease;
}

.dropdown button:hover {
  background-color: #0055B7;
  border-color: #00A7E1;
}

.dropdown-icon { font-size: 12px; color: #00A7E1; }

.dropdown-content { 
  display: none; 
  position: absolute; 
  top: 55px; 
  left: 0;
  background-color: #002a5c; 
  color: #ffffff; 
  min-width: 240px; /* Widened to fit the text perfectly */
  box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.4); 
  z-index: 10; 
  padding: 10px 0; 
  border-radius: 12px; 
  text-align: left; 
  max-height: 250px; 
  overflow-y: auto; 
  border: 1px solid #004080; 
}

.dropdown-content.show { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-content label { 
  display: flex;
  align-items: center;
  padding: 10px 20px; 
  cursor: pointer; 
  font-size: 15px; 
  transition: background-color 0.2s;
  gap: 10px;
  white-space: nowrap; /* Forces text to stay on a single line */
}

.dropdown-content label:hover { background-color: #0055B7; }

/* Custom Scrollbar for Dropdowns */
.dropdown-content::-webkit-scrollbar { width: 8px; }
.dropdown-content::-webkit-scrollbar-track { background: #002145; border-radius: 10px; }
.dropdown-content::-webkit-scrollbar-thumb { background: #0055B7; border-radius: 10px; }

.clear-button { 
  background-color: transparent; 
  color: #ff6b6b; 
  padding: 10px 20px; 
  border: 1px solid #ff6b6b; 
  border-radius: 25px; 
  cursor: pointer; 
  font-size: 15px; 
  font-weight: bold;
  transition: all 0.3s ease; 
}

.clear-button:hover { 
  background-color: #ff6b6b; 
  color: #ffffff;
}

/* --- Loading Indicator --- */
.loading-container { display: flex; align-items: center; justify-content: center; margin-top: 40px; gap: 15px; }
.loading-text { font-size: 20px; color: #00A7E1; margin: 0; font-weight: 500; }
.loading-icon { width: 28px; height: 28px; color: #00A7E1; animation: spin 1.5s linear infinite; }
@keyframes spin { 100% { transform: rotate(360deg); } }

/* --- Course Cards --- */
.search-results-count { 
  margin: 40px 0 20px 0; 
  color: #8da4bd; 
  font-size: 16px; 
  font-weight: 600; 
  width: 90%; 
  max-width: 900px; 
  text-align: left; 
  border-bottom: 1px solid #004080;
  padding-bottom: 10px;
}

.course-list { 
  width: 90%; 
  max-width: 900px;
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  gap: 20px;
}

.course-card { 
  background: linear-gradient(145deg, #003366, #002a5c);
  border: 1px solid #004080;
  border-radius: 16px; 
  padding: 25px; 
  color: #ffffff; 
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15); 
  text-align: left; 
  width: 100%; 
  box-sizing: border-box;
  cursor: pointer; 
  transition: all 0.3s ease; 
}

.course-card:hover { 
  transform: translateY(-4px); 
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
  border-color: #0055B7;
}

.course-code { 
  font-size: 16px; 
  color: #00A7E1; 
  margin: 0 0 8px 0; 
  font-weight: 700;
  letter-spacing: 1px;
}

.course-name { 
  font-size: 24px; 
  font-weight: 800; 
  margin: 0 0 15px 0; 
  color: #ffffff;
}

.course-description { 
  font-size: 16px; 
  margin-bottom: 20px; 
  line-height: 1.6; 
  color: #D9E4F2; 
}

.pre-req, .co-req { 
  font-size: 14px; 
  margin-bottom: 8px; 
  line-height: 1.5; 
  color: #8da4bd;
}

.pre-req strong, .co-req strong {
  color: #ffffff;
}

/* --- Badges for Credits & Averages --- */
.meta-container {
  display: flex; 
  justify-content: flex-start; 
  gap: 15px;
  margin-top: 20px; 
  border-top: 1px solid #004080; 
  padding-top: 20px;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  background-color: #0055B7;
  color: #ffffff;
}

.meta-badge.avg {
  background-color: #002145;
  border: 1px solid #00A7E1;
  color: #00A7E1;
}

/* Highlight Text overriding */
mark {
  background-color: rgba(0, 167, 225, 0.3);
  color: #ffffff;
  padding: 0 2px;
  border-radius: 3px;
  border-bottom: 2px solid #00A7E1;
}

/* --- Course Details View --- */
.course-details-container { 
  background: linear-gradient(145deg, #003366, #002a5c);
  color: #fff; 
  padding: 40px; 
  border-radius: 20px; 
  max-width: 1000px; 
  margin: 40px auto; 
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3); 
  font-size: 1.1em;
  border: 1px solid #004080;
}

.back-button { 
  background-color: #002145; 
  color: #00A7E1; 
  border: 1px solid #00A7E1; 
  padding: 10px 24px; 
  border-radius: 25px; 
  cursor: pointer; 
  margin-bottom: 30px; 
  font-size: 15px; 
  font-weight: 600;
  transition: all 0.2s ease;
}

.back-button:hover { 
  background-color: #00A7E1; 
  color: #ffffff;
}

.course-details-container h2 {
  color: #00A7E1;
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.course-details-container h3 {
  font-size: 2.2rem;
  margin-top: 0;
  margin-bottom: 25px;
}

.course-stats-table { 
  width: 100%; 
  border-collapse: separate; 
  border-spacing: 0;
  margin-top: 25px; 
  font-size: 1em; 
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #004080;
}

.course-stats-table th, .course-stats-table td { 
  padding: 15px; 
  text-align: center; 
  border-bottom: 1px solid #004080;
}

.course-stats-table th { 
  background-color: #002145; 
  color: #00A7E1; 
  font-weight: 700; 
  text-transform: uppercase;
  font-size: 0.9em;
  letter-spacing: 1px;
}

.course-stats-table td { 
  background-color: transparent; 
}

.course-stats-table tr:last-child td {
  border-bottom: none;
}

.course-stats-table tr:hover td { 
  background-color: rgba(0, 85, 183, 0.2); 
}