/* Reusable Components */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
  min-height: 44px; /* Touch-friendly */
  gap: var(--space-2);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--gray-200);
  color: var(--gray-900);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--gray-300);
}

.btn-success {
  background-color: var(--success);
  color: var(--white);
}

.btn-icon {
  padding: var(--space-2);
  width: 44px;
  height: 44px;
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
  color: var(--gray-900);
}

.card-content {
  color: var(--gray-700);
}

/* Class Card (for landing page) */
.class-card {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.class-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.class-card-number {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: 1;
}

.class-card-label {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
}

/* Lesson Card */
.lesson-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border-left: 4px solid transparent;
  cursor: pointer;
}

.lesson-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.lesson-card-prose {
  border-left-color: var(--secondary-green);
}

.lesson-card-poem {
  border-left-color: var(--secondary-purple);
}

.lesson-card-supplementary {
  border-left-color: var(--secondary-orange);
}

.lesson-card-play {
  border-left-color: var(--secondary-red);
}

.lesson-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  gap: var(--space-3);
}

.lesson-card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--gray-900);
  margin: 0;
}

.lesson-card-meta {
  font-size: var(--text-sm);
  color: var(--gray-600);
  margin-bottom: var(--space-3);
}

.lesson-card-actions {
  display: flex;
  gap: var(--space-2);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-prose {
  background-color: var(--secondary-green);
  color: var(--white);
}

.badge-poem {
  background-color: var(--secondary-purple);
  color: var(--white);
}

.badge-supplementary {
  background-color: var(--secondary-orange);
  color: var(--white);
}

.badge-play {
  background-color: var(--secondary-red);
  color: var(--white);
}

/* Navbar */
/* ============================================
   NAVBAR - FIXED FOR MOBILE & DESKTOP
   ============================================ */

.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--navbar-height);
  border-bottom: 1px solid var(--gray-200);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-4);
  gap: var(--space-4);
}

/* Logo Section */
.navbar-logo {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--primary-blue);
  text-decoration: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar-logo:hover {
  color: var(--primary-dark);
}

/* Center Section - Search */
.search-container {
  flex: 1;
  max-width: 500px;
  margin: 0 var(--space-4);
  position: relative;
}

/* Right Section - Menu */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar-link {
  color: var(--gray-700);
  font-weight: var(--font-medium);
  transition: color var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.navbar-link:hover {
  color: var(--primary-blue);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.mobile-menu-btn:hover span {
  background-color: var(--primary-blue);
}

/* ============================================
   MOBILE RESPONSIVE (< 768px)
   ============================================ */

@media (max-width: 767px) {
  .navbar-container {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }

  /* Logo - Smaller on mobile */
  .navbar-logo {
    font-size: var(--text-base);
  }

  /* Hide "Home" link on mobile */
  .navbar-link {
    display: none;
  }

  /* Search - Full width on mobile */
  .search-container {
    flex: 1;
    margin: 0;
    max-width: none;
  }

  /* Show hamburger menu */
  .mobile-menu-btn {
    display: flex;
  }

  /* Adjust search input size */
  #search-input {
    font-size: 14px;
    padding: 8px 12px;
    height: 36px;
  }
}

/* Extra small screens (< 400px) */
@media (max-width: 399px) {
  .navbar-logo {
    font-size: 14px;
  }

  #search-input {
    font-size: 13px;
    padding: 6px 10px;
  }
}

/* ============================================
   SEARCH BOX STYLES (Fixed)
   ============================================ */

.search-box {
  position: relative;
  width: 100%;
}

#search-input {
  width: 100%;
  padding: 10px 40px 10px 15px;
  border-radius: 20px;
  border: 1px solid var(--gray-300);
  font-size: 16px;
  transition: all var(--transition-base);
}

#search-input:focus {
  border-color: var(--primary-blue);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

/* Search Results Dropdown */
.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
  z-index: 1000;
  max-height: 400px;
  overflow-y: auto;
  display: none;
}

.search-results-dropdown.active {
  display: block;
}

.search-result-item {
  display: block;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  text-decoration: none;
  color: var(--gray-900);
  transition: background var(--transition-base);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--gray-50);
}

.result-title {
  font-weight: var(--font-semibold);
  color: var(--primary-blue);
  margin-bottom: 4px;
}

.result-meta {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

/* Loading Spinner inside Search */
#search-loading {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--primary-blue);
  border-radius: 50%;
}

@media (max-width: 767px) {
  .search-results-dropdown {
    max-height: 300px;
  }

  .search-result-item {
    padding: 10px 12px;
  }
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--gray-600);
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-link {
  color: var(--gray-600);
  transition: color var(--transition-base);
}

.breadcrumb-link:hover {
  color: var(--primary-blue);
}

.breadcrumb-separator {
  color: var(--gray-400);
}

.breadcrumb-current {
  color: var(--gray-900);
  font-weight: var(--font-medium);
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-2);
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: var(--space-6);
}

.tab {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--gray-600);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  bottom: -2px;
  min-width: 100px;
}

.tab:hover {
  color: var(--primary-blue);
  background-color: var(--gray-50);
}

.tab-active {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
}

/* Search Box */
.search-box {
  position: relative;
  width: 100%;
  max-width: 600px;
}

.search-input {
  width: 100%;
  padding: var(--space-4) var(--space-12) var(--space-4) var(--space-4);
  font-size: var(--text-base);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.search-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px var(--primary-lighter);
}

.search-icon {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background-color: var(--gray-900);
  color: var(--white);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-tooltip);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

@media (max-width: 767px) {
  .mobile-menu-btn {
    display: flex;
  }
}

/* Search Styles */
.search-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto; /* Centers it */
}

#search-input {
    width: 100%;
    padding: 10px 15px;
    border-radius: 20px;
    border: 1px solid #ccc;
    font-size: 16px;
}

.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #eee;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-radius: 8px;
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
    display: none; /* Hidden by default */
}

.search-result-item {
    display: block;
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: #333;
    transition: background 0.2s;
}

.search-result-item:hover {
    background: #f9fafb;
}

.result-title {
    font-weight: bold;
    color: #2563eb;
}

.result-meta {
    font-size: 12px;
    color: #666;
    margin-top: 4px;
}