/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --primary: #ff0000;
  --primary-light: #e4e4e4;
  --primary-dark: #ff0000;
  --surface: #fff;
  --bg: #f8f9fa;
  --text: #202124;
  --text-secondary: #5f6368;
  --border: #dadce0;
  --radius: 8px;
  --radius-lg: 20px;
  --shadow: 0 1px 2px rgba(60, 64, 67, 0.3),
    0 1px 3px 1px rgba(60, 64, 67, 0.15);
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
  --spacing: 16px;
}

body {
  font-family: "Roboto", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing);
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 400;
}
h2 {
  font-size: 2rem;
  font-weight: 400;
}
h3 {
  font-size: 1.5rem;
  font-weight: 500;
}
h4 {
  font-size: 1.25rem;
  font-weight: 500;
}
.body-1 {
  font-size: 1rem;
}

/* Header */
.header {
  background: var(--surface);
  box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  padding: var(--spacing) 0;
  position: sticky;
  top: 0;
  z-index: 1100;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing);
  flex-wrap: wrap;
  min-width: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-decoration: none;
  font-size: 1.75rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 0 var(--spacing);
}

/* Search */
.search-box {
  flex: 1;
  max-width: 600px;
  min-width: 200px;
  position: relative;
}
.search-box input {
  width: 100%;
  padding: 12px 52px 12px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  font-size: 1rem;
  transition: all 0.2s var(--transition);
  color: var(--text);
}
.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 2px var(--primary-light);
}
.search-box button {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  padding: 8px 16px;
  cursor: pointer;
  min-height: 36px;
  transition: all 0.2s var(--transition);
}
.search-box button:hover {
  background: var(--primary-dark);
}

/* Theme Switcher */
.theme-switcher button {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  box-shadow: var(--shadow);
  transition: all 0.2s var(--transition);
}
.theme-switcher button:hover {
  background: var(--primary-dark);
}

/* Categories */
.categories {
  background: var(--surface);
  border-bottom: 1px solid #e8eaed;
  padding: var(--spacing) 0;
  position: sticky;
  top: 76px;
  z-index: 1000;
}
.categories-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  -ms-overflow-style: none;
  scrollbar-width: thin;
}
.categories-list::-webkit-scrollbar {
  height: 4px;
}
.categories-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 20px;
}

.category-btn {
  padding: 8px 20px;
  background: var(--primary-light);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  min-height: 36px;
  transition: all 0.2s var(--transition);
}
.category-btn:hover {
  background: #d2e3fc;
}
.category-btn.active {
  background: var(--primary);
  color: white;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  padding: 32px 0;
}
.card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all 0.2s var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  box-shadow: 0 2px 6px 2px rgba(60, 64, 67, 0.15),
    0 1px 2px 0 rgba(60, 64, 67, 0.3);
  transform: translateY(-4px);
}
.card-image {
  width: 100%;
  object-fit: cover;
  transition: transform 0.3s var(--transition);
}
.card:hover .card-image {
  transform: scale(1.05);
}
.card-content {
  padding: 5px;
}
.card-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid #e8eaed;
}
.card-category {
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}
.card-id {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: monospace;
}

/* Modal */
.modal {
  display: none; /* Очень важно - изначально скрыто */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1300;
  overflow-y: auto;
  padding: 0;
}

.modal-content {
  background: var(--surface);
  margin: 0;
  width: 100%;
  min-height: 100vh;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid #e8eaed;
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-shrink: 0;
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0;
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  padding-right: 8px;
}

.modal-category {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.9em;
  color: var(--text-secondary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
}

.close-btn:hover {
  background: rgba(0, 0, 0, 0.1);
}

.modal-body {
  padding: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

#modalImage {
  width: 100%;
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  padding: 16px;
  background: rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid var(--border);
}

.card-info {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
  -webkit-overflow-scrolling: touch;
}

.description {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.content {
  color: var(--text);
  line-height: 1.6;
}

.modal-content-text {
  font-size: 0.95rem;
  line-height: 1.6;
}

.modal-content-text h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.modal-content-text ul,
.modal-content-text ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}

.modal-content-text li {
  margin-bottom: 0.5em;
}

/* Footer */
.app-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--text-secondary);
  margin-top: 32px;
}

/* Responsive */
@media (max-width: 960px) {
  .header-container {
    align-items: stretch;
  }
  .header-left {
    width: 100%;
    justify-content: space-between;
  }
  .search-box {
    width: 100%;
    order: 2;
  }
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

@media (max-width: 750px) {
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  .search-box input {
    padding-right: 44px;
  }
  .search-box button {
    padding: 8px 12px;
  }
}

@media (max-width: 400px) {
  .container {
    padding: 0 8px;
  }
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}

/* Для планшетов и десктопов */
@media (min-width: 751px) {
  .modal {
    display: none; /* Все равно должно быть скрыто по умолчанию */
    align-items: center;
    justify-content: center;
    padding: 24px;
  }

  .modal-content {
    margin: 0 auto;
    width: 90%;
    max-width: 800px;
    min-height: auto;
    max-height: 90vh;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 24px 38px 3px rgba(0, 0, 0, 0.14),
      0 9px 46px 8px rgba(0, 0, 0, 0.12);
  }

  .modal-header {
    position: static;
    padding: 24px;
  }

  .modal-header h2 {
    font-size: 1.5rem;
  }

  .modal-body {
    flex-direction: row;
    max-height: calc(90vh - 80px);
    padding: 0;
  }

  #modalImage {
    width: 40%;
    max-width: 400px;
    max-height: none;
    padding: 24px;
    border-bottom: none;
    border-right: 1px solid var(--border);
    object-fit: contain;
    align-self: flex-start;
  }

  .card-info {
    width: 60%;
    padding: 24px;
    overflow-y: auto;
  }
}

/* Для очень маленьких устройств */
@media (max-width: 400px) {
  .modal-header {
    padding: 12px;
  }

  .modal-header h2 {
    font-size: 1.1rem;
  }

  .close-btn {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .card-info {
    padding: 16px;
  }

  #modalImage {
    max-height: 250px;
    padding: 12px;
  }
}

/* Для горизонтальной ориентации на мобильных */
@media (max-height: 500px) and (max-width: 750px) {
  .modal-content {
    min-height: auto;
  }

  #modalImage {
    max-height: 200px;
  }
}

/* Фокус для доступности */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.modal:focus {
  outline: none;
}

.modal-header h2:focus,
.close-btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Dark theme */
.dark-theme {
  --bg: #121212;
  --surface: #1e1e1e;
  --text: #fff;
  --text-secondary: #bbb;
  --border: #333;
  --primary-light: #414141;
}