/* Main styles for Hong Kong Air Conditioner Electricity Calculator */

:root {
  --primary-color: #0066cc;
  --secondary-color: #4d94ff;
  --accent-color: #003366;
  --background-color: #f5f8fa;
  --card-bg-color: #ffffff;
  --text-color: #333333;
  --border-color: #dddddd;
  --highlight-color: #e6f2ff;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --error-color: #dc3545;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

header h1 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

header .tagline {
  color: var(--accent-color);
  font-size: 1.2rem;
}

nav {
  margin-top: 15px;
}

nav a {
  color: var(--primary-color);
  text-decoration: none;
  margin: 0 10px;
}

nav a:hover {
  text-decoration: underline;
}

h2 {
  color: var(--accent-color);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.search-section {
  background-color: var(--card-bg-color);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.search-form {
  display: flex;
  gap: 10px;
}

/* Enhanced autocomplete suggestions styling */
.search-container {
  position: relative;
  flex: 1;
  width: 100%;
}

.search-container input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
}

.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: white;
  border: 1px solid #ccc;
  border-top: none;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-height: 300px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.suggestion-item {
  padding: 12px 15px;
  border-bottom: 1px solid #eee;
  transition: all 0.2s ease;
  cursor: pointer;
}

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

.suggestion-item:hover {
  background-color: #f0f7ff;
}

.suggestion-title {
  font-size: 15px;
  margin-bottom: 4px;
}

.suggestion-details {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #666;
}

.suggestion-brand {
  font-weight: bold;
  color: #0066cc;
}

.suggestion-power {
  color: #555;
}

.suggestion-efficiency {
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: bold;
}

/* Efficiency colors */
.excellent {
  background-color: #d4edda;
  color: #155724;
}

.good {
  background-color: #d1ecf1;
  color: #0c5460;
}

.average {
  background-color: #fff3cd;
  color: #856404;
}

.poor {
  background-color: #f8d7da;
  color: #721c24;
}

mark {
  background-color: #fff2a8;
  border-radius: 2px;
  padding: 0 2px;
}

.btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 12px 20px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn:hover {
  background-color: var(--secondary-color);
}

.stats-section {
  background-color: var(--card-bg-color);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 25px;
}

.stat-card {
  background-color: var(--highlight-color);
  padding: 15px;
  border-radius: 6px;
  text-align: center;
}

.stat-card h3 {
  font-size: 1.8rem;
  margin-bottom: 5px;
  color: var(--accent-color);
}

.top-brands ul {
  list-style-type: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.top-brands li {
  background-color: var(--highlight-color);
  padding: 10px;
  border-radius: 4px;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.model-card {
  background-color: var(--card-bg-color);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.model-card:hover {
  transform: translateY(-5px);
}

.model-card h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.model-card p {
  margin-bottom: 15px;
  color: var(--text-color);
}

.model-card .btn {
  width: 100%;
  text-align: center;
}

.how-it-works {
  background-color: var(--card-bg-color);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.how-it-works ol {
  margin-left: 25px;
}

.how-it-works li {
  margin-bottom: 15px;
}

footer {
  text-align: center;
  margin-top: 50px;
  padding: 20px;
  color: var(--text-color);
  border-top: 1px solid var(--border-color);
}

/* Results page styles */
.results-section {
  background-color: var(--card-bg-color);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.results-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.result-card {
  background-color: var(--highlight-color);
  border-radius: 8px;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

.result-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.result-actions {
  display: flex;
  gap: 10px;
}

.no-results {
  background-color: var(--highlight-color);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  overflow: auto;
}

.modal-content {
  background-color: var(--card-bg-color);
  margin: 10% auto;
  padding: 30px;
  border-radius: 8px;
  width: 80%;
  max-width: 600px;
  position: relative;
  animation: modalFadeIn 0.4s;
}

@keyframes modalFadeIn {
  from {opacity: 0; transform: translateY(-30px);}
  to {opacity: 1; transform: translateY(0);}
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 28px;
  font-weight: bold;
  color: var(--text-color);
  cursor: pointer;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
}

.hidden {
  display: none;
}

#calculation-results {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

#results-content {
  background-color: var(--highlight-color);
  padding: 15px;
  border-radius: 4px;
}

/* Model details page */
.model-details {
  background-color: var(--card-bg-color);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.detail-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

@media (max-width: 768px) {
  .detail-card {
    grid-template-columns: 1fr;
  }
}

.detail-section, .calculator-section {
  background-color: var(--highlight-color);
  padding: 20px;
  border-radius: 8px;
}

.usage-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.usage-table th, .usage-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.usage-table th {
  background-color: var(--primary-color);
  color: white;
}

.usage-table tr:nth-child(even) {
  background-color: var(--highlight-color);
}

/* Compare page */
.compare-table-container {
  overflow-x: auto;
  margin-bottom: 30px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table th, .compare-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.compare-table th {
  background-color: var(--primary-color);
  color: white;
}

.compare-table tr:nth-child(even) {
  background-color: var(--highlight-color);
}

.highlight-row {
  background-color: var(--highlight-color) !important;
  font-weight: bold;
}

.custom-comparison {
  background-color: var(--highlight-color);
  padding: 20px;
  border-radius: 8px;
  margin-top: 30px;
}

.compare-results-table-container {
  overflow-x: auto;
  margin-top: 20px;
}

.compare-results-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-results-table th, .compare-results-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.compare-results-table th {
  background-color: var(--secondary-color);
  color: white;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .search-form {
    flex-direction: column;
  }

  .result-actions {
    flex-direction: column;
  }

  .modal-content {
    width: 95%;
    margin: 5% auto;
  }
}

/* Add this to your existing styles.css file */

.language-switcher {
  margin-top: 10px;
  text-align: center;
  font-size: 0.9rem;
}

.language-switcher a {
  display: inline-block;
  padding: 3px 8px;
  text-decoration: none;
  color: var(--primary-color);
  border-radius: 4px;
  transition: background-color 0.2s;
}

.language-switcher a:hover {
  background-color: var(--highlight-color);
}

.language-switcher a.active {
  font-weight: bold;
  background-color: var(--highlight-color);
}

/* Improve mobile responsiveness for bilingual site */
@media (max-width: 480px) {
  .language-switcher {
    margin-bottom: 15px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  .tagline {
    font-size: 1rem;
  }
}