/* HN Digest - Shared Styles */

:root {
  --text: #1a1a1a;
  --text-secondary: #666;
  --text-muted: #999;
  --link: #0066cc;
  --border: #e0e0e0;
  --bg: #ffffff;
  --bg-elevated: #f7f7f7;
  --hn-orange: #ff6600;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e0e0e0;
    --text-secondary: #999;
    --text-muted: #666;
    --link: #5cadff;
    --border: #333;
    --bg: #1a1a1a;
    --bg-elevated: #222;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Header */
.site-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.site-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

.site-title a:hover {
  color: var(--hn-orange);
}

.site-nav {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.site-nav a:hover {
  text-decoration: underline;
}

.digest-date {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Subscribe Box */
.subscribe-box {
  margin: 0 -1rem 2rem;
  padding: 2rem 1rem;
  background: var(--bg-elevated);
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
}

@media (min-width: 640px) {
  .subscribe-box {
    margin: 0 -2rem 2rem;
    padding: 2rem;
  }
}

.subscribe-box h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.subscribe-box p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.subscribe-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

@media (min-width: 480px) {
  .subscribe-form {
    grid-template-columns: 2fr 1fr;
  }
}

.subscribe-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.subscribe-input:focus {
  border-color: var(--hn-orange);
}

.subscribe-btn {
  padding: 0.625rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.subscribe-btn:hover {
  border-color: var(--hn-orange);
  color: var(--hn-orange);
}

/* Story List */
.story-list {
  list-style: none;
}

.story {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

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

.story-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.story-title {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
}

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

.story-title a:hover {
  color: var(--hn-orange);
}

.story-title a:visited {
  color: var(--text-secondary);
}

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

.story-score {
  color: var(--hn-orange);
  font-weight: 600;
}

.story-meta a {
  color: var(--text-secondary);
  text-decoration: none;
}

.story-meta a:hover {
  text-decoration: underline;
}

.story-expand {
  background: none;
  border: none;
  color: var(--link);
  font-size: 0.8125rem;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

.story-expand:hover {
  text-decoration: underline;
}

/* Story Preview (comments) */
.story-preview {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border-radius: 6px;
  font-size: 0.875rem;
}

.story-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.story-preview-title {
  font-weight: 600;
  color: var(--text-secondary);
}

.story-preview-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.story-preview-close:hover {
  color: var(--text);
}

/* Comments in preview */
.preview-comment {
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.preview-comment:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.preview-comment-header {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

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

.preview-comment-text {
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.preview-comment-text p {
  margin: 0;
}

.view-full-link {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--link);
  text-decoration: none;
  font-size: 0.8125rem;
}

.view-full-link:hover {
  text-decoration: underline;
}

/* Loading & Error */
.status {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--hn-orange);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Archive Section */
.archive-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.archive-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.archive-list {
  list-style: none;
}

.archive-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.archive-item:last-child {
  border-bottom: none;
}

.archive-item a {
  color: var(--link);
  text-decoration: none;
}

.archive-item a:hover {
  text-decoration: underline;
}

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

/* Footer */
.site-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

.site-footer a {
  color: var(--link);
}

/* Story Detail Page Specific */
.story-detail {
  margin-bottom: 2rem;
}

.story-detail-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.story-detail-title a {
  color: var(--text);
  text-decoration: none;
}

.story-detail-title a:hover {
  color: var(--hn-orange);
}

.story-detail-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Comments Section on Story Page */
.comments-section {
  margin-top: 1rem;
}

.comments-header {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.comment {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border-radius: 6px;
}

.comment-header {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

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

.comment-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text);
}

.comment-text p {
  margin: 0 0 0.75rem;
}

.comment-text p:last-child {
  margin-bottom: 0;
}

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

.comment-text pre {
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.875rem;
  margin: 0.75rem 0;
}

.comment-text code {
  background: var(--bg);
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
  font-size: 0.875rem;
}

.comment-nested {
  margin-left: 1.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* Error Page */
.error-code {
  font-size: 6rem;
  font-weight: 700;
  color: var(--hn-orange);
  margin: 2rem 0 1rem;
  line-height: 1;
}

.error-message {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.error-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.back-link {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
}

.back-link:hover {
  border-color: var(--hn-orange);
  color: var(--hn-orange);
}