/* ============================================
   UI Enhancement Styles - Search Box Improvements
   ============================================ */

/* Enhanced Color System */
:root {
  /* UofT Brand Colors */
  --uoft-blue: #002A5C;
  --uoft-light-blue: #0066CC;
  --uoft-blue-hover: #003876;
  
  /* Enhanced color palette */
  --primary: #002A5C;
  --primary-light: #E6F0FF;
  --primary-lighter: #F0F6FF;
  
  /* Neutral colors */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Focus shadow */
  --focus-shadow: 0 0 0 3px rgba(0, 42, 92, 0.1);
}

/* ============================================
   Search Box Container Styles
   ============================================ */

.sidebar .input {
  padding: 20px;
  background: linear-gradient(135deg, var(--primary-lighter) 0%, var(--gray-50) 100%);
  border-bottom: 2px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  position: relative;
}

/* Search icon decoration - Removed */

/* ============================================
   Selectize Input Enhancements
   ============================================ */

/* Main selectize control wrapper */
.selectize-control {
  max-width: 100%;
}

.selectize-control.single .selectize-input {
  background: white !important;
  border: 2px solid var(--gray-300) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-sm) !important;
  padding: 0 20px !important;
  min-height: 52px !important;
  display: flex !important;
  align-items: center !important;
  font-size: 16px !important;
  transition: all 0.3s ease !important;
  cursor: text !important;
}

/* Hover state */
.selectize-control.single .selectize-input:hover {
  border-color: var(--gray-400) !important;
  box-shadow: var(--shadow-md) !important;
}

/* Focus state */
.selectize-control.single .selectize-input.focus {
  border-color: var(--uoft-blue) !important;
  box-shadow: var(--focus-shadow), var(--shadow-md) !important;
  background: white !important;
  outline: none !important;
}

/* Input field inside selectize */
.selectize-control.single .selectize-input input {
  font-size: 16px !important;
  color: var(--gray-800) !important;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 1.5 !important;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
}

/* Placeholder styling */
.selectize-control.single .selectize-input input::placeholder {
  color: var(--gray-400) !important;
  font-size: 16px !important;
}

.selectize-control.single .selectize-input.not-full input {
  width: 100% !important;
}

/* Remove default selectize dropdown arrow */
.selectize-control.single .selectize-input:after {
  display: none !important;
}

/* ============================================
   Selectize Dropdown Enhancements
   ============================================ */

.selectize-dropdown {
  background: white !important;
  border: 2px solid var(--gray-200) !important;
  border-top: none !important;
  border-radius: 0 0 12px 12px !important;
  box-shadow: var(--shadow-lg) !important;
  margin-top: -2px !important;
  max-height: 400px !important;
  overflow-y: auto !important;
  z-index: 1000 !important;
}

.selectize-dropdown-content {
  padding: 8px 0 !important;
}

/* Dropdown items */
.selectize-dropdown .option {
  padding: 12px 20px !important;
  font-size: 15px !important;
  color: var(--gray-700) !important;
  border-bottom: 1px solid var(--gray-100) !important;
  transition: all 0.2s ease !important;
}

.selectize-dropdown .option:last-child {
  border-bottom: none !important;
}

/* Hover state for dropdown items */
.selectize-dropdown .option.active {
  background: var(--primary-light) !important;
  color: var(--uoft-blue) !important;
}

/* Selected item styling */
.selectize-dropdown .option.selected {
  background: var(--gray-100) !important;
  font-weight: 600 !important;
}

/* ============================================
   Selected Item Display
   ============================================ */

.selectize-control.single .selectize-input .item {
  background: var(--primary-light) !important;
  border: 1px solid var(--uoft-light-blue) !important;
  border-radius: 8px !important;
  color: var(--uoft-blue) !important;
  padding: 4px 12px !important;
  margin: 2px !important;
  font-size: 14px !important;
  font-weight: 500 !important;
}

/* ============================================
   Loading State
   ============================================ */

.selectize-control.loading::after {
  content: '';
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--uoft-blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: translateY(-50%) rotate(360deg);
  }
}

/* ============================================
   Scrollbar Styling for Dropdown
   ============================================ */

.selectize-dropdown-content::-webkit-scrollbar {
  width: 8px;
}

.selectize-dropdown-content::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 4px;
}

.selectize-dropdown-content::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

.selectize-dropdown-content::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  .sidebar .input {
    padding: 15px;
  }
  
  .selectize-control.single .selectize-input {
    min-height: 48px !important;
    font-size: 14px !important;
  }
  
  .sidebar .input::before {
    left: 30px;
    font-size: 16px;
  }
}

/* ============================================
   Animation for dropdown appearance
   ============================================ */

.selectize-dropdown {
  animation: slideDown 0.2s ease-out;
}

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

/* ============================================
   Additional Visual Polish
   ============================================ */

/* Add subtle gradient to the input on focus */
.selectize-control.single .selectize-input.focus {
  background: linear-gradient(to bottom, white 0%, var(--gray-50) 100%) !important;
}

/* Course option container */
.course-option {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
}

/* Course code styling */
.course-option .course-code {
  color: var(--uoft-blue);
  font-weight: 700;
  font-size: 14px;
  min-width: 80px;
}

/* Section code styling */
.course-option .section-code {
  color: var(--gray-600);
  font-weight: 600;
  font-size: 13px;
  padding: 2px 6px;
  background: var(--gray-100);
  border-radius: 4px;
  min-width: 20px;
  text-align: center;
}

/* Course name styling */
.course-option .course-name {
  flex: 1;
  color: var(--gray-700);
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Division badge styling */
.course-option .division-badge {
  margin-left: auto;
  padding: 3px 8px;
  background: linear-gradient(135deg, var(--primary-light), var(--gray-100));
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
}

/* Specific division colors */
.course-option .division-badge:contains("UTSG") {
  background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
  border-color: #90CAF9;
  color: #1565C0;
}

.course-option .division-badge:contains("UTSC") {
  background: linear-gradient(135deg, #F3E5F5, #E1BEE7);
  border-color: #CE93D8;
  color: #6A1B9A;
}

.course-option .division-badge:contains("UTM") {
  background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
  border-color: #A5D6A7;
  color: #2E7D32;
}

/* Hover effect for course options */
.selectize-dropdown .option.active .course-option {
  transform: translateX(4px);
  transition: transform 0.2s ease;
}

.selectize-dropdown .option.active .course-code {
  color: var(--uoft-blue);
  text-shadow: 0 0 1px rgba(0, 42, 92, 0.3);
}

.selectize-dropdown .option.active .division-badge {
  transform: scale(1.05);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}