:root {
  --bg: #fdc114;
  --fg: #ffffff;
  --muted: rgba(255, 255, 255, 0.85);
  --rule: rgba(255, 255, 255, 0.5);
  --btn-bg: rgba(0, 0, 0, 0.12);
  --btn-bg-strong: rgba(0, 0, 0, 0.25);
  --btn-border: rgba(255, 255, 255, 0.6);
  --accent: #ffffff;
  --error: #2b0a00;
  --link-meta: rgba(255, 255, 255, 0.85);

  --font: 'VT323', monospace;
  --base-size: 22px;
  --line-height: 1.4;
  --measure: 760px;
}

[data-theme="dark"] {
  --bg: #111111;
  --fg: #e8e8e8;
  --muted: rgba(232, 232, 232, 0.7);
  --rule: rgba(232, 232, 232, 0.25);
  --btn-bg: rgba(255, 255, 255, 0.06);
  --btn-bg-strong: rgba(255, 255, 255, 0.14);
  --btn-border: rgba(232, 232, 232, 0.4);
  --accent: #fdc114;
  --error: #ffb4a4;
  --link-meta: rgba(232, 232, 232, 0.75);
}

[data-theme="sepia"] {
  --bg: #f4ecd8;
  --fg: #5b4636;
  --muted: rgba(91, 70, 54, 0.75);
  --rule: rgba(91, 70, 54, 0.3);
  --btn-bg: rgba(91, 70, 54, 0.08);
  --btn-bg-strong: rgba(91, 70, 54, 0.18);
  --btn-border: rgba(91, 70, 54, 0.4);
  --accent: #b07b3a;
  --error: #8a2a14;
  --link-meta: rgba(91, 70, 54, 0.8);
}

[data-font="serif"] {
  --font: 'Lora', Georgia, 'Times New Roman', serif;
  --base-size: 18px;
  --line-height: 1.6;
}

[data-font="plex-serif"] {
  --font: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --base-size: 18px;
  --line-height: 1.6;
}

[data-font="sans"] {
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --base-size: 17px;
  --line-height: 1.55;
}

[data-font="ubuntu"] {
  --font: 'Ubuntu', system-ui, sans-serif;
  --base-size: 17px;
  --line-height: 1.55;
}

[data-font="atkinson"] {
  --font: 'Atkinson Hyperlegible', system-ui, sans-serif;
  --base-size: 17px;
  --line-height: 1.55;
}

body {
  transition: background-color 0.2s ease, color 0.2s ease;
}

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  margin: 0;
}

.page {
  max-width: var(--measure);
  margin: 60px auto;
  padding: 0 24px;
  font-size: var(--base-size);
  line-height: var(--line-height);
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.page-header h1 {
  font-weight: normal;
  font-size: 2.2em;
  margin: 0;
  flex: 1 1 auto;
  line-height: 1.1;
}

.back-link {
  color: var(--fg);
  text-decoration: none;
  font-size: 0.9em;
  opacity: 0.85;
}

.back-link:hover { opacity: 1; }

.reader-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 0.85em;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--btn-border);
  border-radius: 4px;
  overflow: hidden;
}

.seg button {
  font-family: inherit;
  font-size: inherit;
  background: transparent;
  color: var(--fg);
  border: 0;
  padding: 4px 10px;
  cursor: pointer;
  line-height: 1.2;
}

.seg button + button {
  border-left: 1px solid var(--btn-border);
}

.seg button.active,
.seg button:hover {
  background: var(--btn-bg);
}

.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  font-size: 0.95em;
}

.toolbar button {
  font-family: inherit;
  font-size: inherit;
  background: var(--btn-bg);
  color: var(--fg);
  border: 1px solid var(--btn-border);
  padding: 4px 12px;
  cursor: pointer;
}

.toolbar button.active,
.toolbar button:hover {
  background: var(--btn-bg-strong);
}

.story-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: story;
}

.story {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--rule);
  counter-increment: story;
  align-items: start;
}

.story::before {
  content: counter(story) ".";
  text-align: right;
  opacity: 0.7;
  font-size: 0.95em;
  padding-top: 2px;
}

.story-main { min-width: 0; }

.story-actions {
  display: flex;
  align-items: flex-start;
  padding-top: 2px;
}

.bookmark-btn {
  font-family: inherit;
  font-size: 1.2em;
  line-height: 1;
  background: transparent;
  color: var(--fg);
  border: 0;
  padding: 2px 6px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.bookmark-btn:hover,
.bookmark-btn.active {
  opacity: 1;
  color: var(--accent);
}

.thread-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.thread-actions {
  flex: 0 0 auto;
}

.story-title {
  display: block;
  font-size: 1.1em;
  line-height: 1.3;
  color: var(--fg);
  text-decoration: none;
}

.story-title:hover {
  border-bottom: 2px solid var(--accent);
}

.story-host {
  font-size: 0.78em;
  opacity: 0.75;
  margin-left: 8px;
}

.story-meta {
  font-size: 0.85em;
  color: var(--link-meta);
  margin-top: 4px;
}

.story-meta a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-style: dotted;
}

.status {
  text-align: center;
  padding: 32px 0;
  font-size: 1em;
  opacity: 0.85;
}

.status.error {
  opacity: 1;
  color: var(--error);
}

.site-footer {
  max-width: var(--measure);
  margin: 24px auto 40px;
  padding: 16px 24px 0;
  border-top: 1px dashed var(--rule);
  text-align: center;
  font-size: 0.8em;
  color: var(--link-meta);
}

.site-footer a,
.story-meta a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-style: dotted;
}

.site-footer a:hover,
.story-meta a:hover {
  text-decoration-style: solid;
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  padding: 20px 0 8px;
}

#load-more {
  font-family: inherit;
  font-size: 1em;
  background: var(--btn-bg);
  color: var(--fg);
  border: 1px solid var(--btn-border);
  padding: 6px 18px;
  cursor: pointer;
}

#load-more:hover:not(:disabled) {
  background: var(--btn-bg-strong);
}

#load-more:disabled {
  opacity: 0.6;
  cursor: default;
}

/* ---------- single-item / comments view ---------- */

.back-to-list {
  display: inline-block;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.9em;
  opacity: 0.85;
  margin-bottom: 12px;
}

.back-to-list:hover { opacity: 1; }

.thread-title {
  font-weight: normal;
  font-size: 1.5em;
  line-height: 1.25;
  margin: 0 0 6px;
}

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

.thread-title a:hover {
  border-bottom: 2px solid var(--accent);
}

.thread-meta {
  font-size: 0.85em;
  color: var(--link-meta);
  margin-bottom: 16px;
}

.story-text {
  margin: 0 0 24px;
  padding: 12px 14px;
  background: var(--btn-bg);
  border-left: 3px solid var(--btn-border);
}

.story-text p { margin: 0 0 0.8em; }
.story-text p:last-child { margin-bottom: 0; }

.comment-thread,
.comment-children {
  list-style: none;
  padding: 0;
  margin: 0;
}

.comment {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--rule);
}

.comment.depth-0 {
  border-left-color: var(--btn-border);
}

.comment-tools {
  display: flex;
  gap: 8px;
  margin: 4px 0 12px;
  font-size: 0.8em;
}

.comment-tools button {
  font-family: inherit;
  font-size: inherit;
  background: var(--btn-bg);
  color: var(--fg);
  border: 1px solid var(--btn-border);
  padding: 3px 10px;
  cursor: pointer;
  opacity: 0.85;
}

.comment-tools button:hover {
  background: var(--btn-bg-strong);
  opacity: 1;
}

.comment-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.8em;
  color: var(--link-meta);
  margin-bottom: 4px;
  cursor: pointer;
  user-select: none;
}

.comment-head:hover .comment-meta { color: var(--fg); }

.comment-toggle {
  font-family: inherit;
  font-size: inherit;
  background: transparent;
  color: var(--link-meta);
  border: 0;
  padding: 0 2px;
  cursor: pointer;
  line-height: 1;
}

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

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

.comment-time {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
  opacity: 0.85;
}

.comment-time:hover { opacity: 1; }

.op-badge {
  display: inline-block;
  padding: 0 5px;
  margin-left: 2px;
  border: 1px solid var(--btn-border);
  border-radius: 3px;
  font-size: 0.85em;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.comment-collapsed-info {
  color: var(--link-meta);
  opacity: 0.8;
  font-style: italic;
}

.comment:not(.collapsed) > .comment-head .comment-collapsed-info {
  display: none;
}

.comment.collapsed > .comment-body,
.comment.collapsed > .comment-children {
  display: none;
}

.comment.comment-target {
  background: var(--btn-bg);
  border-radius: 3px;
  padding-top: 4px;
  padding-bottom: 4px;
  animation: comment-flash 1.6s ease-out;
}

@keyframes comment-flash {
  0% { background: var(--btn-bg-strong); }
  100% { background: var(--btn-bg); }
}

.comment-body {
  font-size: 0.95em;
}

.comment-body p {
  margin: 0 0 0.8em;
}

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

.comment-body a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-style: dotted;
  word-break: break-word;
}

.comment-body code,
.comment-body pre {
  background: var(--btn-bg);
  font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace;
  font-size: 0.9em;
  border-radius: 3px;
}

.comment-body code {
  padding: 0 4px;
}

.comment-body pre {
  padding: 10px 12px;
  overflow-x: auto;
  margin: 8px 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.comment-body i,
.comment-body em {
  opacity: 0.92;
}

.comment-children {
  margin-top: 6px;
}

@media (max-width: 600px) {
  .page { margin: 24px auto; }
  .page-header h1 { font-size: 1.7em; }
  .story-host { display: block; margin-left: 0; }
  .comment { padding-left: 8px; }
  .thread-title { font-size: 1.3em; }
}