/* WriteKit - Blog Stylesheet */

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --accent: #2563eb;
  --font-body: system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --text: #18181b;
  --text-muted: #71717a;
  --bg: #ffffff;
  --bg-secondary: #fafafa;
  --border: #e4e4e7;

  --content-width: 680px;
  --spacing: 1.5rem;

  /* Compactness defaults (cozy) */
  --content-spacing: 1.75rem;
  --paragraph-spacing: 1.25rem;
  --heading-spacing: 2.5rem;
  --line-height: 1.7;
}

/* Compactness: Compact */
.compactness-compact {
  --content-spacing: 1.25rem;
  --paragraph-spacing: 0.875rem;
  --heading-spacing: 1.75rem;
  --line-height: 1.55;
}

/* Compactness: Cozy (default) */
.compactness-cozy {
  --content-spacing: 1.75rem;
  --paragraph-spacing: 1.25rem;
  --heading-spacing: 2.5rem;
  --line-height: 1.7;
}

/* Compactness: Spacious */
.compactness-spacious {
  --content-spacing: 2.25rem;
  --paragraph-spacing: 1.5rem;
  --heading-spacing: 3rem;
  --line-height: 1.85;
}

/* Layout: Minimal */
.layout-minimal .site-header {
  justify-content: center;
}
.layout-minimal .site-nav {
  display: none;
}
.layout-minimal .site-footer {
  border-top: none;
  opacity: 0.7;
}
.layout-minimal .profile {
  margin-bottom: 3.5rem;
}

/* Layout: Magazine */
.layout-magazine .posts-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.layout-magazine .post-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.layout-magazine .post-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}
.layout-magazine .post-card-title {
  font-size: 1.0625rem;
}
.layout-magazine .post-card-description {
  font-size: 0.875rem;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem var(--spacing);
}

.site-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.site-name:hover {
  text-decoration: none;
  color: var(--accent);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 450;
}

.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Main */
main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--spacing) 3rem;
}

/* Footer */
.site-footer {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2.5rem var(--spacing);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.powered-by {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.75rem;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.powered-by:hover {
  opacity: 1;
}

/* Profile */
.profile {
  text-align: center;
  margin-bottom: 3rem;
}

.profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.profile-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.profile-bio {
  color: var(--text-muted);
  max-width: 380px;
  margin: 0 auto;
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Post List */
.posts-list {
  display: flex;
  flex-direction: column;
  gap: var(--content-spacing);
}

.post-card a {
  display: block;
  color: inherit;
}

.post-card a:hover {
  text-decoration: none;
}

.post-card-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.post-card-title {
  margin: 0.375rem 0 0;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

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

.post-card-description {
  margin: 0.5rem 0 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.no-posts {
  color: var(--text-muted);
  text-align: center;
  padding: 3rem 0;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.9375rem;
}

/* Post Header */
.post-header {
  margin-bottom: 2.5rem;
}

.post-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.post-title {
  margin: 0.5rem 0 0;
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.post-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin: 0.75rem 0 0;
  line-height: 1.5;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tag {
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 0.25rem 0.625rem;
  border-radius: 0.25rem;
}

.post-cover {
  margin: 1.75rem 0 0;
}

.post-cover img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Prose */
.prose {
  line-height: var(--line-height);
  font-size: 1.0625rem;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose h2 {
  margin-top: var(--heading-spacing);
  margin-bottom: var(--paragraph-spacing);
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.prose h3 {
  margin-top: calc(var(--heading-spacing) * 0.8);
  margin-bottom: calc(var(--paragraph-spacing) * 0.8);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.prose h4 {
  margin-top: calc(var(--heading-spacing) * 0.65);
  margin-bottom: calc(var(--paragraph-spacing) * 0.65);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.prose p {
  margin: var(--paragraph-spacing) 0;
}

.prose ul, .prose ol {
  margin: var(--paragraph-spacing) 0;
  padding-left: 1.375rem;
}

.prose li {
  margin: calc(var(--paragraph-spacing) * 0.4) 0;
  padding-left: 0.25rem;
}

.prose li::marker {
  color: var(--text-muted);
}

.prose blockquote {
  margin: var(--content-spacing) 0;
  padding: 0 0 0 1.25rem;
  border-left: 2px solid var(--border);
  color: var(--text-muted);
}

.prose blockquote p {
  margin: 0;
}

.prose pre {
  margin: var(--content-spacing) 0;
  padding: 1.125rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-secondary);
  padding: 0.175rem 0.375rem;
  border-radius: 0.25rem;
  font-variant-ligatures: none;
}

.prose pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 0.375rem;
  margin: var(--content-spacing) 0;
}

.prose a {
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.prose a:hover {
  text-decoration-color: var(--accent);
}

.prose hr {
  margin: var(--heading-spacing) 0;
  border: none;
  border-top: 1px solid var(--border);
}

.prose strong {
  font-weight: 600;
}

.prose table {
  width: 100%;
  margin: var(--content-spacing) 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.prose th, .prose td {
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
}

.prose th {
  background: var(--bg-secondary);
  font-weight: 600;
}

/* Reactions & Comments */
.reactions, .comments {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.comments-title {
  margin: 0 0 1.25rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.reaction-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.reaction-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 2rem;
  background: var(--bg);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.15s;
}

.reaction-btn:hover {
  background: var(--bg-secondary);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

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

.reaction-btn .count {
  font-size: 0.8125rem;
  font-weight: 500;
}

/* Search */
.search-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.875rem;
  transition: border-color 0.15s;
}

.search-trigger:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.search-trigger kbd {
  padding: 0.125rem 0.375rem;
  background: var(--bg-secondary);
  border-radius: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.search-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
}

.search-modal.active {
  display: block;
}

.search-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
}

.search-modal-content {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 520px;
  background: var(--bg);
  border-radius: 0.5rem;
  box-shadow: 0 20px 40px -8px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

#search-input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: none;
  font-size: 1rem;
  outline: none;
  background: var(--bg);
  color: var(--text);
}

#search-input::placeholder {
  color: var(--text-muted);
}

.search-results {
  max-height: 320px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
}

.search-result {
  border-bottom: 1px solid var(--border);
}

.search-result:last-child {
  border-bottom: none;
}

.search-result a {
  display: block;
  padding: 0.875rem 1.25rem;
  color: inherit;
}

.search-result a:hover {
  text-decoration: none;
}

.search-result:hover, .search-result.focused {
  background: var(--bg-secondary);
}

.search-result-title {
  font-weight: 500;
  font-size: 0.9375rem;
}

.search-result-snippet {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  line-height: 1.5;
}

.search-result mark {
  background: color-mix(in srgb, var(--accent) 25%, transparent);
  color: inherit;
  border-radius: 0.125rem;
  padding: 0 0.125rem;
}

.search-hint {
  padding: 0.625rem 1.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border);
}

.search-hint kbd {
  padding: 0.125rem 0.375rem;
  background: var(--bg-secondary);
  border-radius: 0.25rem;
  font-family: var(--font-mono);
}

.search-no-results {
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* Comment Form */
.comment-form textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 0.9375rem;
  resize: vertical;
  min-height: 100px;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s;
}

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

.comment-form button {
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity 0.15s;
}

.comment-form button:hover {
  opacity: 0.9;
}

/* Comments List */
.comments-list {
  margin-top: 1.5rem;
}

.comment {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.comment:first-child {
  padding-top: 0;
}

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

.comment-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.625rem;
}

.comment-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.comment-author {
  font-weight: 500;
  font-size: 0.9375rem;
}

.comment-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.comment-content {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Auth Prompt */
.auth-prompt {
  padding: 1.25rem;
  background: var(--bg-secondary);
  border-radius: 0.375rem;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.auth-prompt a {
  font-weight: 500;
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --spacing: 1.25rem;
  }

  .site-header {
    padding: 1.5rem var(--spacing);
  }

  .post-title {
    font-size: 1.75rem;
  }

  .prose {
    font-size: 1rem;
  }

  .prose h2 {
    font-size: 1.375rem;
  }

  .prose h3 {
    font-size: 1.125rem;
  }
}