/* ── Writings: feed + individual page ── */

body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--text);
}

.writings-content,
.writing-page-content {
  padding: 3rem 3rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ── Feed header ── */
.writings-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.75rem;
}

.writings-title {
  font-family: 'Lora', Georgia, serif;
  font-size: 2.75rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.writings-tagline {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-style: italic;
}

/* ── Topic filter chips ── */
.topic-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.topic-chip {
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.4rem 0.95rem;
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 500;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.topic-chip:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.topic-chip.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ── Two-column grid: feed + index ── */
.writings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 3.5rem;
  align-items: start;
}

/* ── Feed entries ── */
.feed {
  display: flex;
  flex-direction: column;
}

.feed-entry {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  transition: opacity 0.2s ease;
}

.feed-entry:first-child {
  padding-top: 0;
}

.feed-entry:last-child {
  border-bottom: none;
}

.feed-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.feed-meta .dot {
  opacity: 0.5;
}

.feed-topic {
  text-transform: capitalize;
  color: var(--accent);
}

.feed-title {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.feed-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s ease;
}

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

.feed-excerpt {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.65;
  margin-bottom: 1rem;
  /* clamp to ~3 lines for visual rhythm */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.feed-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.feed-tag {
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
}

.feed-readmore {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.18s ease;
}

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

.feed-empty {
  color: var(--text-muted);
  font-style: italic;
  padding: 3rem 0;
  text-align: center;
}

/* ── Index panel (sticky right column) ── */
.index-panel {
  position: sticky;
  top: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.25rem 1.4rem;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
}

.index-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.index-group {
  margin-bottom: 1.1rem;
}

.index-group:last-child {
  margin-bottom: 0;
}

.index-group-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  text-transform: capitalize;
  margin-bottom: 0.45rem;
  letter-spacing: 0.01em;
}

.index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.index-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.4;
  transition: color 0.15s ease;
  display: block;
}

.index-list a:hover {
  color: var(--accent);
}

/* ── Individual writing page ── */
.writing-page-content {
  max-width: 920px;
}

.back-link {
  display: inline-block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  margin-bottom: 2rem;
  transition: color 0.18s ease;
}

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

.writing-article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.writing-article-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
  font-weight: 500;
}

.writing-article-meta .dot {
  opacity: 0.5;
}

.writing-article-title {
  font-family: 'Lora', Georgia, serif;
  font-size: 2.6rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.writing-article-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 1rem;
}

.writing-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ── Article body typography ── */
.writing-article-body {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text);
}

.writing-article-body p {
  margin: 1.5rem 0;
}

.writing-article-body h2 {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.6rem;
  font-weight: 600;
  margin: 2.5rem 0 0.75rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.writing-article-body h3 {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.5rem;
  color: var(--text);
}

.writing-article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.writing-article-body a:hover {
  color: var(--accent-hover);
}

.writing-article-body blockquote {
  border-left: 3px solid var(--accent);
  background: var(--blockquote-bg);
  padding: 1rem 1.25rem;
  margin: 1.75rem 0;
  color: var(--text-muted);
  font-style: italic;
  border-radius: 0 0.4rem 0.4rem 0;
}

.writing-article-body ul,
.writing-article-body ol {
  padding-left: 1.5rem;
  margin: 1.25rem 0;
}

.writing-article-body li {
  margin: 0.45rem 0;
}

.writing-article-body code {
  background: var(--code-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.92em;
}

.writing-article-body img {
  max-width: 100%;
  border-radius: 0.5rem;
  margin: 1.5rem 0;
}

/* ── Spoiler warning banner ── */
.spoiler-warning {
  --spoiler-accent: #d97706;
  --spoiler-tint: rgba(245, 158, 11, 0.10);
  --spoiler-tint-strong: rgba(245, 158, 11, 0.18);

  display: flex;
  align-items: flex-start;
  gap: 0.95rem;
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  background: linear-gradient(135deg, var(--spoiler-tint) 0%, var(--spoiler-tint-strong) 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-left: 3px solid var(--spoiler-accent);
  border-radius: 0.6rem;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  position: relative;
  overflow: hidden;
}

.spoiler-warning::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 12px,
    rgba(245, 158, 11, 0.04) 12px,
    rgba(245, 158, 11, 0.04) 24px
  );
  pointer-events: none;
}

[data-theme="dark"] .spoiler-warning {
  --spoiler-accent: #fbbf24;
  --spoiler-tint: rgba(251, 191, 36, 0.08);
  --spoiler-tint-strong: rgba(251, 191, 36, 0.14);
  border-color: rgba(251, 191, 36, 0.30);
}

.spoiler-warning-icon {
  flex-shrink: 0;
  width: 1.55rem;
  height: 1.55rem;
  color: var(--spoiler-accent);
  margin-top: 0.1rem;
  position: relative;
  z-index: 1;
}

.spoiler-warning-icon svg {
  width: 100%;
  height: 100%;
}

.spoiler-warning-body {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.spoiler-warning-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--spoiler-accent);
  margin-bottom: 0.25rem;
}

.spoiler-warning-text {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  font-style: normal;
}

.spoiler-warning-text strong {
  font-weight: 600;
  color: var(--text);
}

/* Override the article body's default p margin for the warning text */
.writing-article-body .spoiler-warning p {
  margin: 0;
}

/* ── Soft annotations (inline tooltips) ── */
.annotation {
  position: relative;
  border-bottom: 1px dashed var(--text-muted);
  cursor: help;
}

.annotation::after {
  content: attr(data-note);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.5rem);
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-elev, #1f2937);
  color: var(--bg, #f4f6fa);
  font-family: 'Inter', 'Segoe UI', sans-serif;
  font-style: normal;
  font-size: 0.85rem;
  line-height: 1.45;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  width: max-content;
  max-width: 280px;
  white-space: normal;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 10;
}

.annotation::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.1rem);
  transform: translateX(-50%) translateY(4px);
  border: 5px solid transparent;
  border-top-color: var(--bg-elev, #1f2937);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 10;
}

.annotation:hover::after,
.annotation:focus::after,
.annotation:hover::before,
.annotation:focus::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Responsive ── */
@media (max-width: 1000px) {
  .writings-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .index-panel {
    position: static;
    max-height: none;
    order: 2;
  }

  .feed {
    order: 1;
  }
}

@media (max-width: 768px) {
  .writings-content,
  .writing-page-content {
    padding: 1.5rem 1.25rem 3rem;
  }

  .writings-title {
    font-size: 2.1rem;
  }

  .feed-title {
    font-size: 1.4rem;
  }

  .writing-article-title {
    font-size: 1.9rem;
  }

  .writing-article-body {
    font-size: 1.05rem;
    line-height: 1.7;
  }

}