/* ════════════════════════════════════════════════════════════════
   LOGLENS BRAND CSS
   Reverse brand of Logloop — warm dark (#1C1812) canvas,
   off-white (#F7F5F1) text, gold (#b8902e) accent, Inter throughout
   ════════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ─────────────────────────────────────────────── */
:root {
  --ll-bg:          #1C1812;
  --ll-surface:     #241E18;
  --ll-surface-2:   #2E2720;
  --ll-text:        #F7F5F1;
  --ll-muted:       #A09484;
  --ll-faint:       #5C5248;
  --ll-amber:       #b8902e;
  --ll-amber-bright:#d4a84b;
  --ll-amber-glow:  rgba(184,144,46,.10);
  --ll-amber-border:rgba(184,144,46,.22);
  --ll-border:      rgba(247,245,241,.07);
  --ll-border-md:   rgba(247,245,241,.13);
  --ll-r:           14px;
  --ll-r-sm:        8px;
  --ll-font:        'Inter', system-ui, -apple-system, sans-serif;
  --ll-serif:       'DM Serif Display', Georgia, serif;
  --ll-max:         720px;    /* article max-width */
  --ll-wide:        1060px;   /* index max-width */
}

/* ── GLOBAL RESET FOR LOGLENS PAGES ────────────────────────────── */
.loglens-theme body,
.loglens-theme {
  background-color: var(--ll-bg);
  color: var(--ll-text);
  font-family: var(--ll-font);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

/* ── RESEARCH INDEX GRID ─────────────────────────────────────────── */
.ll-research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: var(--ll-wide);
  margin: 0 auto;
  padding: 48px 5vw 96px;
}

/* ── POST CARD ───────────────────────────────────────────────────── */
.ll-post-card {
  background: var(--ll-surface);
  border: 1px solid var(--ll-border);
  border-radius: var(--ll-r);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .18s, transform .18s;
}
.ll-post-card:hover {
  border-color: var(--ll-amber-border);
  transform: translateY(-2px);
}
.ll-post-card.ll-featured {
  border-color: var(--ll-amber-border);
  background: color-mix(in srgb, var(--ll-amber) 5%, var(--ll-surface));
}

/* Card thumbnail */
.ll-card-thumb {
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-bottom: 1px solid var(--ll-border);
}
.ll-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s;
}
.ll-post-card:hover .ll-card-thumb img {
  transform: scale(1.03);
}

/* Card body */
.ll-card-body {
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Card meta row */
.ll-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.ll-research-area {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--ll-amber);
  text-transform: uppercase;
}
.ll-reading-time {
  font-size: .75rem;
  color: var(--ll-faint);
  font-weight: 400;
}

/* Card title */
.ll-card-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.3;
  margin: 0 0 10px;
}
.ll-card-title a {
  color: var(--ll-text);
  text-decoration: none;
  transition: color .15s;
}
.ll-card-title a:hover { color: var(--ll-amber); }

/* Card excerpt */
.ll-card-excerpt {
  font-size: .875rem;
  color: var(--ll-muted);
  line-height: 1.65;
  font-weight: 300;
  flex: 1;
  margin-bottom: 16px;
}

/* Card footer */
.ll-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--ll-border);
}
.ll-card-date {
  font-size: .75rem;
  color: var(--ll-faint);
  font-weight: 400;
}
.ll-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ll-read-more {
  font-size: .8rem;
  font-weight: 600;
  color: var(--ll-amber);
  text-decoration: none;
  transition: color .15s;
}
.ll-read-more:hover { color: var(--ll-amber-bright); }
.ll-paper-link {
  font-size: .75rem;
  font-weight: 500;
  color: var(--ll-muted);
  text-decoration: none;
  border: 1px solid var(--ll-border-md);
  padding: 3px 8px;
  border-radius: 5px;
  transition: border-color .15s, color .15s;
}
.ll-paper-link:hover {
  border-color: var(--ll-amber-border);
  color: var(--ll-amber);
}

/* No posts message */
.ll-no-posts {
  color: var(--ll-muted);
  font-size: .95rem;
  text-align: center;
  padding: 48px;
}

/* ── RESEARCH INDEX HEADER ───────────────────────────────────────── */
.ll-research-header {
  max-width: var(--ll-wide);
  margin: 0 auto;
  padding: 72px 5vw 0;
}
.ll-research-kicker {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ll-amber);
  opacity: .75;
  margin-bottom: 12px;
}
.ll-research-title {
  font-family: var(--ll-serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.12;
  color: var(--ll-text);
  margin-bottom: 14px;
}
.ll-research-desc {
  font-size: 1rem;
  color: var(--ll-muted);
  font-weight: 300;
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 40px;
}

/* Filter chips */
.ll-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 0;
}
.ll-filter-chip {
  font-size: .78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--ll-border-md);
  color: var(--ll-muted);
  text-decoration: none;
  transition: .15s;
  cursor: pointer;
  background: none;
}
.ll-filter-chip:hover,
.ll-filter-chip.active {
  border-color: var(--ll-amber);
  color: var(--ll-amber);
  background: var(--ll-amber-glow);
}

/* ── ADD POST BUTTON (Research page) ─────────────────────────────── */
.ll-add-post-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .85rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--ll-r-sm);
  background: var(--ll-amber);
  color: #1C1812;
  text-decoration: none;
  transition: background .15s;
  margin-bottom: 0;
}
.ll-add-post-btn:hover { background: var(--ll-amber-bright); color: #1C1812; }
.ll-add-post-btn::before { content: "+"; font-size: 1.1rem; font-weight: 800; }

/* ── SINGLE ARTICLE ──────────────────────────────────────────────── */
.loglens-article .ll-article-wrap {
  max-width: var(--ll-max);
  margin: 0 auto;
  padding: 64px 5vw 96px;
}

/* Article header */
.ll-article-header {
  margin-bottom: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--ll-border);
}
.ll-article-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.ll-article-area {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ll-amber);
  text-transform: uppercase;
}
.ll-article-time {
  font-size: .75rem;
  color: var(--ll-faint);
}
.ll-article-title {
  font-family: var(--ll-serif);
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ll-text);
  margin-bottom: 20px;
}
.ll-article-excerpt {
  font-size: 1.1rem;
  color: var(--ll-muted);
  font-weight: 300;
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 24px;
}
.ll-article-byline {
  font-size: .875rem;
  color: var(--ll-muted);
}
.ll-article-byline strong { color: var(--ll-text); font-weight: 600; }

/* Article featured image */
.ll-article-hero-img {
  margin-bottom: 48px;
  border-radius: var(--ll-r);
  overflow: hidden;
  border: 1px solid var(--ll-border);
}
.ll-article-hero-img img {
  width: 100%;
  display: block;
}

/* ── ARTICLE BODY TYPOGRAPHY ─────────────────────────────────────── */
.ll-article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ll-muted);
  font-weight: 300;
}
.ll-article-content p {
  margin-bottom: 1.5em;
}
.ll-article-content h2 {
  font-family: var(--ll-serif);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 400;
  color: var(--ll-text);
  line-height: 1.2;
  margin: 2.2em 0 .8em;
  letter-spacing: -.02em;
}
.ll-article-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ll-text);
  letter-spacing: -.015em;
  margin: 1.8em 0 .6em;
}
.ll-article-content h4 {
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ll-amber);
  text-transform: uppercase;
  margin: 1.6em 0 .5em;
}
.ll-article-content strong {
  color: var(--ll-text);
  font-weight: 600;
}
.ll-article-content em {
  color: var(--ll-amber);
  font-style: italic;
}
.ll-article-content a {
  color: var(--ll-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--ll-amber-border);
  transition: text-decoration-color .15s;
}
.ll-article-content a:hover {
  text-decoration-color: var(--ll-amber);
}
.ll-article-content blockquote {
  margin: 2em 0;
  padding: 20px 28px;
  border-left: 3px solid var(--ll-amber);
  background: color-mix(in srgb, var(--ll-amber) 5%, var(--ll-surface));
  border-radius: 0 var(--ll-r) var(--ll-r) 0;
}
.ll-article-content blockquote p {
  font-family: var(--ll-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--ll-text);
  line-height: 1.55;
  margin: 0;
}
.ll-article-content ul,
.ll-article-content ol {
  margin: 0 0 1.5em 1.5em;
  color: var(--ll-muted);
}
.ll-article-content li { margin-bottom: .5em; }
.ll-article-content li::marker { color: var(--ll-amber); }
.ll-article-content hr {
  border: none;
  border-top: 1px solid var(--ll-border);
  margin: 2.5em 0;
}
.ll-article-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: .875em;
  background: var(--ll-surface-2);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--ll-amber);
}
.ll-article-content pre {
  background: #150F0A;
  border: 1px solid var(--ll-border);
  border-radius: var(--ll-r);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 1.5em 0;
}
.ll-article-content pre code {
  background: none;
  padding: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ll-text);
}

/* Pull quote (class-based) */
.ll-pull-quote {
  margin: 2.5em 0;
  padding: 24px 32px;
  border-left: 3px solid var(--ll-amber);
  background: color-mix(in srgb, var(--ll-amber) 5%, var(--ll-surface));
  border-radius: 0 var(--ll-r) var(--ll-r) 0;
}
.ll-pull-quote p {
  font-family: var(--ll-serif) !important;
  font-size: 1.2rem !important;
  font-style: italic;
  color: var(--ll-text) !important;
  line-height: 1.45 !important;
  margin: 0 !important;
}

/* Stat callout */
.ll-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ll-border);
  border: 1px solid var(--ll-border);
  border-radius: var(--ll-r);
  overflow: hidden;
  margin: 2em 0;
}
.ll-stat-cell {
  background: var(--ll-surface);
  padding: 22px 18px;
  text-align: center;
}
.ll-stat-n {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 900;
  color: var(--ll-amber);
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: 6px;
}
.ll-stat-l {
  font-size: .8rem;
  color: var(--ll-muted);
  line-height: 1.45;
}

/* ── ARTICLE FOOTER ──────────────────────────────────────────────── */
.ll-article-footer {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--ll-border);
}
.ll-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.ll-tag {
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--ll-border-md);
  color: var(--ll-muted);
  text-decoration: none;
  transition: .15s;
}
.ll-tag:hover {
  border-color: var(--ll-amber-border);
  color: var(--ll-amber);
}

/* Author block */
.ll-author-block {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--ll-surface);
  border: 1px solid var(--ll-border);
  border-radius: var(--ll-r);
}
.ll-author-avatar {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ll-amber-glow);
  border: 1.5px solid var(--ll-amber-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ll-amber);
}
.ll-author-name {
  font-weight: 700;
  font-size: .95rem;
  color: var(--ll-text);
  margin-bottom: 4px;
}
.ll-author-bio {
  font-size: .875rem;
  color: var(--ll-muted);
  font-weight: 300;
  line-height: 1.6;
}

/* ── NAV OVERRIDE ────────────────────────────────────────────────── */
.loglens-theme .site-header,
.loglens-theme header.elementor-section {
  background: rgba(28,24,18,.96) !important;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ll-border);
}

/* Research nav link — highlight */
.loglens-theme .menu-item.research-link > a,
.loglens-theme a.research-nav-link {
  color: var(--ll-amber) !important;
  font-weight: 600;
}

/* ── FOOTER OVERRIDE ─────────────────────────────────────────────── */
.loglens-theme .site-footer,
.loglens-theme footer.elementor-section {
  background: #110F0B !important;
  border-top: none !important;
  position: relative;
}
.loglens-theme .site-footer::before,
.loglens-theme footer.elementor-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #b8902e, #d4a84b);
}

/* ── RESPONSIVE ──────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .ll-research-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 580px) {
  .ll-research-grid { grid-template-columns: 1fr; }
  .ll-stat-row { grid-template-columns: 1fr; }
  .ll-article-wrap { padding: 40px 5vw 64px; }
}