/* Telegram Mini App Styles for Travel Mongolia */

:root {
  /* Telegram color variables */
  --tg-theme-bg-color: var(--tg-color-scheme, #ffffff);
  --tg-theme-text-color: var(--tg-color-scheme, #000000);
  --tg-theme-hint-color: var(--tg-color-scheme, #999999);
  --tg-theme-link-color: var(--tg-color-scheme, #2481cc);
  --tg-theme-button-color: var(--tg-color-scheme, #2481cc);
  --tg-theme-button-text-color: var(--tg-color-scheme, #ffffff);
  --tg-theme-secondary-bg-color: var(--tg-color-scheme, #f1f1f1);
  
  /* Custom colors */
  --primary-color: #2481cc;
  --primary-dark: #1a5490;
  --accent-color: #ff6b35;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --border-radius: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-text-color, #000000);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  padding: 0;
  min-height: 100vh;
  box-shadow: 0 0 40px rgba(0,0,0,0.08);
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--medium-gray);
}

.header-content {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
}

.header-text {
  flex: 1;
}

.header-flag {
  font-size: 2.9rem;
  flex-shrink: 0;
  line-height: 1;
}

.header-text {
  flex: 1;
  text-align: left;
}

.header-text h1 {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 0 0 4px 0;
}

.header-text .subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
  font-weight: 400;
  margin: 0;
}

/* Sections */
section {
  padding: 20px;
  border-bottom: 1px solid var(--medium-gray);
}

section h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--tg-theme-text-color, #000000);
}

/* Compact topic buttons — square grid */
.topics-compact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--medium-gray);
}

.topic-compact-btn {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--tg-theme-secondary-bg-color, var(--light-gray));
  border: none;
  border-radius: 12px;
  cursor: pointer;
  color: var(--tg-theme-text-color, #000000);
  transition: background 0.2s, color 0.2s, transform 0.15s;
  padding: 6px 4px;
}

.topic-compact-btn .btn-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.topic-compact-btn .btn-label {
  font-size: 0.65rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.1;
}

.topic-compact-btn:active {
  background: var(--primary-color);
  color: white;
  transform: scale(0.95);
}

/* Main Travel Topics */
.topics-main-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.topic-main-btn {
  background: var(--tg-theme-secondary-bg-color, var(--light-gray));
  border: none;
  border-radius: var(--border-radius);
  padding: 10px 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: visible;
}

.topic-main-btn:hover {
  background: var(--tg-theme-button-color, var(--primary-color));
  color: var(--tg-theme-button-text-color, white);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.topic-main-btn:active {
  transform: translateY(-1px);
}

.topic-main-btn .topic-icon {
  font-size: 1.8rem;
  margin-bottom: 4px;
  display: block;
}

.topic-main-btn .topic-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--tg-theme-text-color, #000000);
  line-height: 1.2;
}

.topic-main-btn:hover .topic-title {
  color: var(--tg-theme-button-text-color, white);
}

.topic-main-btn .topic-subtitle {
  display: none;
}

/* Tooltip */
.topic-main-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1000;
}

.topic-main-btn:hover::after {
  opacity: 1;
}

/* Chat Interface */
.chat-section {
  padding: 12px 5% !important;
}

.chat-messages {
  max-height: 50vh;
  min-height: 200px;
  overflow-y: auto;
  margin-bottom: 12px;
  padding: 12px;
  background: var(--tg-theme-secondary-bg-color, var(--light-gray));
  border-radius: var(--border-radius);
  width: 100%;
}

.message {
  margin-bottom: 12px;
  padding: 12px;
  border-radius: 16px;
  max-width: 90%;
  word-wrap: break-word;
}

.message.user {
  background: var(--tg-theme-button-color, var(--primary-color));
  color: var(--tg-theme-button-text-color, white);
  margin-left: auto;
  text-align: right;
}

.message.bot {
  background: white;
  color: var(--tg-theme-text-color, #000000);
  border: 1px solid var(--medium-gray);
}

.message-time {
  font-size: 0.7rem;
  opacity: 0.7;
  margin-top: 4px;
}

/* Input Container */
.input-container {
  display: flex;
  gap: 8px;
  align-items: center;
}

#message-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--medium-gray);
  border-radius: 24px;
  font-size: 1rem;
  background: var(--tg-theme-bg-color, white);
  color: var(--tg-theme-text-color, #000000);
  outline: none;
}

#message-input:focus {
  border-color: var(--tg-theme-button-color, var(--primary-color));
  box-shadow: 0 0 0 2px rgba(36, 129, 204, 0.2);
}

#send-btn {
  width: 48px;
  height: 48px;
  background: var(--tg-theme-button-color, var(--primary-color));
  color: var(--tg-theme-button-text-color, white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

#send-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

#send-btn:active {
  transform: scale(0.95);
}

.send-icon {
  display: block;
}

/* Quick Help Grid */
.help-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.help-card {
  background: var(--tg-theme-secondary-bg-color, var(--light-gray));
  border-radius: var(--border-radius);
  padding: 12px 6px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.help-card:hover {
  background: var(--tg-theme-button-color, var(--primary-color));
  color: var(--tg-theme-button-text-color, white);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.help-icon {
  font-size: 1.2rem;
  margin-bottom: 3px;
}

.help-title {
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.1;
}

/* Loading Indicator */
.loading-indicator {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.95);
  padding: 24px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  text-align: center;
  z-index: 1000;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--medium-gray);
  border-top: 3px solid var(--tg-theme-button-color, var(--primary-color));
  border-radius: 50%;
  margin: 0 auto 12px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 360px) {
  .header-content {
    gap: 8px;
  }
  
  .header-icon {
    width: 36px;
    height: 36px;
  }
  
  .header-text h1 {
    font-size: 1.5rem;
  }
  
  .header-text .subtitle {
    font-size: 0.8rem;
  }
  
  .topics-main-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .help-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .topic-main-btn {
    min-height: 70px;
    padding: 12px 8px;
  }
  
  .topic-main-btn .topic-icon {
    font-size: 1.6rem;
  }
  
  .topic-main-btn .topic-title {
    font-size: 0.9rem;
  }
  
  section {
    padding: 16px;
  }
}

@media (max-width: 320px) {
  .header-icon {
    width: 32px;
    height: 32px;
  }
  
  .header-text h1 {
    font-size: 1.3rem;
  }
  
  .topics-main-grid,
  .help-grid {
    gap: 8px;
  }
  
  .topic-main-btn {
    min-height: 65px;
    padding: 10px 6px;
  }
  
  .help-card {
    min-height: 50px;
    padding: 8px 6px;
  }
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
  :root {
    --tg-theme-bg-color: #1a1a1a;
    --tg-theme-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #2a2a2a;
    --light-gray: #2a2a2a;
    --medium-gray: #3a3a3a;
  }
  
  .message.bot {
    background: #2a2a2a;
    border-color: #3a3a3a;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Telegram-specific adjustments */
.tg-viewport {
  height: 100vh;
  overflow-y: auto;
}

/* Animation for new messages */
.message.new {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Feedback Buttons */
.feedback-buttons {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  justify-content: flex-start;
  align-items: center;
}

.feedback-btn {
  background: var(--light-gray);
  border: 1px solid var(--medium-gray);
  border-radius: 18px;
  padding: 4px 8px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.feedback-btn:hover {
  background: var(--medium-gray);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.feedback-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.feedback-btn:disabled {
  cursor: not-allowed;
  transform: none !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

.feedback-btn.thumbs-up:hover {
  background: #e8f5e8;
  border-color: #4CAF50;
}

.feedback-btn.thumbs-down:hover {
  background: #fde8e8;
  border-color: #f44336;
}

/* Feedback animation */
.feedback-buttons {
  animation: fadeInUp 0.3s ease-out 0.5s both;
}

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

/* Dark theme feedback buttons */
@media (prefers-color-scheme: dark) {
  .feedback-btn {
    background: #3a3a3a;
    border-color: #4a4a4a;
    color: #ffffff;
  }
  
  .feedback-btn:hover {
    background: #4a4a4a;
  }
  
  .feedback-btn.thumbs-up:hover {
    background: #2d5a2d;
    border-color: #4CAF50;
  }
  
  .feedback-btn.thumbs-down:hover {
    background: #5a2d2d;
    border-color: #f44336;
  }
}

/* Satisfaction Survey Modal */
.survey-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 20px;
  box-sizing: border-box;
}

.survey-modal.show {
  opacity: 1;
  visibility: visible;
}

.survey-content {
  background: var(--tg-theme-bg-color, #ffffff);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.survey-modal.show .survey-content {
  transform: translateY(0);
}

.survey-header {
  text-align: center;
  margin-bottom: 24px;
}

.survey-header h3 {
  margin: 0 0 8px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--tg-theme-text-color, #000000);
}

.survey-header p {
  margin: 0;
  font-size: 14px;
  color: var(--tg-theme-hint-color, #666666);
  line-height: 1.4;
}

.survey-body {
  margin-bottom: 24px;
}

.survey-question {
  margin-bottom: 20px;
}

.survey-question label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--tg-theme-text-color, #000000);
  margin-bottom: 8px;
}

.rating-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}

.rating-stars .star {
  font-size: 24px;
  cursor: pointer;
  opacity: 0.3;
  filter: grayscale(100%);
  transition: all 0.2s ease;
  user-select: none;
}

.rating-stars .star:hover {
  transform: scale(1.1);
}

.survey-textarea {
  width: 100%;
  min-height: 80px;
  padding: 12px;
  border: 1px solid var(--medium-gray);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  background: var(--tg-theme-bg-color, #ffffff);
  color: var(--tg-theme-text-color, #000000);
  box-sizing: border-box;
}

.survey-textarea:focus {
  outline: none;
  border-color: var(--tg-theme-button-color, #2481cc);
  box-shadow: 0 0 0 2px rgba(36, 129, 204, 0.2);
}

.char-counter {
  font-size: 12px;
  color: #666;
  text-align: right;
  margin-top: 4px;
}

.survey-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.survey-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 80px;
}

.survey-btn-close {
  background: var(--light-gray);
  color: var(--tg-theme-text-color, #000000);
  border: 1px solid var(--medium-gray);
}

.survey-btn-close:hover {
  background: var(--medium-gray);
}

.survey-btn-submit {
  background: #ccc;
  color: white;
  opacity: 0.6;
}

.survey-btn-submit:not(:disabled) {
  background: var(--tg-theme-button-color, #2481cc);
  opacity: 1;
}

.survey-btn-submit:not(:disabled):hover {
  background: var(--tg-theme-button-color, #1a6ba8);
  transform: translateY(-1px);
}

.survey-btn:disabled {
  cursor: not-allowed;
}

/* Dark theme survey modal */
@media (prefers-color-scheme: dark) {
  .survey-content {
    background: #2a2a2a;
    border: 1px solid #3a3a3a;
  }
  
  .survey-textarea {
    background: #3a3a3a;
    border-color: #4a4a4a;
    color: #ffffff;
  }
  
  .survey-textarea:focus {
    border-color: var(--tg-theme-button-color, #2481cc);
  }
  
  .survey-btn-close {
    background: #3a3a3a;
    border-color: #4a4a4a;
    color: #ffffff;
  }
  
  .survey-btn-close:hover {
    background: #4a4a4a;
  }
}

/* Mobile responsive survey */
@media (max-width: 480px) {
  .survey-modal {
    padding: 16px;
  }
  
  .survey-content {
    padding: 20px;
    max-width: none;
  }
  
  .survey-header h3 {
    font-size: 18px;
  }
  
  .rating-stars .star {
    font-size: 20px;
  }
  
  .survey-footer {
    flex-direction: column-reverse;
  }
  
  .survey-btn {
    width: 100%;
  }
}