/* static/css/main.css */
:root {
  --primary-bg: #0f0c21;
  --card-bg: #1a1830;
  --card-hover: #231f44;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-blue: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #2d3748;
}

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

body {
  background-color: var(--primary-bg);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
}

/* Навигация */
.navbar {
  background: rgba(26, 24, 48, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.nav-link {
  color: var(--text-secondary) !important;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-purple) !important;
}

/* Карточки */
.demo-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.demo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.demo-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-purple);
  box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
}

.demo-card:hover::before {
  opacity: 1;
}

/* Анимация картинки */
.thumb-box {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
}

.thumb-box::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.demo-card:hover .thumb-box::after {
  opacity: 1;
}

.thumb-box img {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.demo-card:hover .thumb-box img {
  transform: scale(1.1);
}

/* Градиенты для карточек без изображений */
.gradient-1 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-2 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-3 {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-4 {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.gradient-5 {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

/* Основные стили кнопок */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  padding: 0.5rem 1rem;
  height: 2.5rem;
  flex-shrink: 0;
}

/* Основные кнопки */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

/* Вторичные кнопки */
.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  transform: translateY(-1px);
}

/* QR кнопка - ОСНОВНОЙ ФИКС */
.qr-button {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: transparent !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-color) !important;
  padding: 0.5rem !important;
  border-radius: 0.375rem !important;
  transition: all 0.3s ease !important;
  cursor: pointer !important;
  width: 2.5rem !important;
  height: 2.5rem !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
}

.qr-button:hover {
  border-color: var(--accent-purple) !important;
  color: var(--accent-purple) !important;
  transform: translateY(-1px) !important;
}

.qr-button .icon {
  width: 1.25rem !important;
  height: 1.25rem !important;
}

/* Контейнер для кнопок карточки - ВАЖНЫЙ ФИКС */
.card-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: nowrap;
}

/* Модальные окна */
.modal-overlay {
  background: rgba(15, 12, 33, 0.9);
  backdrop-filter: blur(8px);
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

/* Текст */
.text-theme-primary {
  color: var(--text-primary);
}

.text-theme-secondary {
  color: var(--text-secondary);
}

.text-theme-muted {
  color: var(--text-muted);
}

/* Утилиты */
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Анимации */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* QR Modal Styles */
.qr-modal {
  max-width: 400px !important;
}

.qr-image-container {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem;
  background: white;
  display: flex;
  justify-content: center;
  align-items: center;
}

.qr-image {
  max-width: 100%;
  height: auto;
}

.qr-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Notification Styles */
.notification {
  animation: slideIn 0.3s ease-out;
}

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

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
  .card-buttons {
    gap: 0.25rem;
    flex-wrap: wrap;
  }
  
  .btn-primary, .btn-secondary {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    height: 2.25rem;
    flex: 1;
    min-width: 0;
  }
  
  .qr-button {
    width: 2.25rem !important;
    height: 2.25rem !important;
    padding: 0.4rem !important;
    flex: none !important;
  }
  
  .qr-button .icon {
    width: 1rem !important;
    height: 1rem !important;
  }
  
  /* Стили для модальных окон на мобильных */
  .share-modal .modal-content {
    margin: 1rem;
    width: calc(100% - 2rem);
  }
  
  .qr-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .qr-actions button {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  /* Предотвращаем вылеты на iOS */
  .modal-overlay {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  
  .modal-content {
    max-height: 90vh;
    overflow-y: auto;
  }
}

/* Предотвращаем проблемы с визуальным viewport на мобильных */
@viewport {
  width: device-width;
  zoom: 1.0;
}

@-ms-viewport {
  width: device-width;
}

/* ФИКС ДЛЯ QR КНОПКИ - МАКСИМАЛЬНАЯ СПЕЦИФИЧНОСТЬ */
body .demo-card .card-buttons button.qr-button {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: transparent !important;
    color: #cbd5e1 !important;
    border: 1px solid #2d3748 !important;
    padding: 0.5rem !important;
    border-radius: 0.375rem !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
    width: 2.5rem !important;
    height: 2.5rem !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    line-height: 1 !important;
    vertical-align: middle !important;
}

body .demo-card .card-buttons button.qr-button:hover {
    border-color: #8b5cf6 !important;
    color: #8b5cf6 !important;
    transform: translateY(-1px) !important;
}

body .demo-card .card-buttons button.qr-button .icon {
    width: 1.25rem !important;
    height: 1.25rem !important;
    display: block !important;
}

/* Гарантируем одинаковую высоту всех кнопок */
body .demo-card .card-buttons .btn-primary,
body .demo-card .card-buttons .btn-secondary {
    height: 2.5rem !important;
    min-height: 2.5rem !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Контейнер кнопок */
body .demo-card .card-buttons {
    display: flex !important;
    gap: 0.5rem !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
}

/* Мобильная версия */
@media (max-width: 768px) {
    body .demo-card .card-buttons {
        flex-wrap: wrap !important;
        gap: 0.25rem !important;
    }
    
    body .demo-card .card-buttons .btn-primary,
    body .demo-card .card-buttons .btn-secondary {
        flex: 1 !important;
        min-width: 0 !important;
        padding: 0.4rem 0.75rem !important;
        font-size: 0.75rem !important;
        height: 2.25rem !important;
        min-height: 2.25rem !important;
    }
    
    body .demo-card .card-buttons button.qr-button {
        width: 2.25rem !important;
        height: 2.25rem !important;
        padding: 0.4rem !important;
        flex: none !important;
    }
    
    body .demo-card .card-buttons button.qr-button .icon {
        width: 1rem !important;
        height: 1rem !important;
    }
}