/* ================================================================
   LongevityLab — Dark Editorial Design System
   Overrides Tailwind on article pages. Load AFTER tailwind CDN.
   Aesthetic: Scientific journal × luxury editorial
   Fonts: Playfair Display (headings) + Lora (body) + DM Sans (UI)
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400;1,600&family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&display=swap');

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --ll-bg:        #0c0c0c;
  --ll-bg-card:   #141414;
  --ll-bg-raised: #1c1c1c;
  --ll-text:      #e2dcd4;
  --ll-muted:     #7a756d;
  --ll-subtle:    #3a3530;
  --ll-accent:    #c49060;
  --ll-accent-h:  #d4a872;
  --ll-border:    #252320;
  --ll-border-l:  #2e2b27;
  --ll-serif:     'Playfair Display', Georgia, 'Times New Roman', serif;
  --ll-body:      'Lora', Georgia, serif;
  --ll-sans:      'DM Sans', system-ui, -apple-system, sans-serif;
  --ll-max:       1240px;
  --ll-narrow:    760px;
}

/* ── Global Reset & Body ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--ll-bg) !important;
  color: var(--ll-text) !important;
  font-family: var(--ll-body) !important;
  font-size: 18px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6,
.serif, .font-serif,
[class*="font-serif"] {
  font-family: var(--ll-serif) !important;
  color: var(--ll-text) !important;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); }
h4 { font-size: 1.25rem; }

p, li, td, th {
  font-family: var(--ll-body);
  color: var(--ll-text);
}

/* Strip emoji from headings via unicode ranges — visual treatment */
h1, h2, h3, h4, h5, h6 {
  font-variant-emoji: text;
}

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

strong, b { color: var(--ll-text); font-weight: 600; }

/* ── Navigation Override ────────────────────────────────────── */
nav,
nav[class*="sticky"],
header nav {
  background-color: rgba(12, 12, 12, 0.97) !important;
  border-bottom: 1px solid var(--ll-border) !important;
  backdrop-filter: blur(12px);
}

nav a,
nav [class*="nav-link"],
nav span {
  font-family: var(--ll-sans) !important;
  color: var(--ll-muted) !important;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color 0.15s;
}

nav a:hover { color: var(--ll-text) !important; }

/* Site name / logo */
nav a[href="/"] span,
nav .font-serif,
nav [class*="text-2xl"] {
  font-family: var(--ll-serif) !important;
  color: var(--ll-text) !important;
  font-size: 1.375rem !important;
  letter-spacing: -0.01em;
  text-transform: none;
}

/* Gradient text kill */
[class*="gradient-text"],
[style*="-webkit-background-clip"],
[style*="background-clip: text"] {
  background: none !important;
  -webkit-background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  background-clip: unset !important;
  color: var(--ll-accent) !important;
}

/* ── Cards & Surfaces ───────────────────────────────────────── */
[class*="card"],
[class*="stat-card"],
[class*="bg-[#111827]"],
[class*="bg-card"] {
  background-color: var(--ll-bg-card) !important;
  border-color: var(--ll-border) !important;
  box-shadow: none !important;
}

/* Remove purple glows */
[class*="glow-purple"],
[class*="glow-cyan"],
[class*="shadow-purple"],
[style*="rgba(124, 58, 237"] {
  box-shadow: none !important;
}

/* Card hover: subtle lift + border highlight */
[class*="card-hover"]:hover,
a[class*="card"]:hover {
  transform: none !important;
  box-shadow: none !important;
  border-color: var(--ll-subtle) !important;
}

/* ── Stat/Hero boxes (the 4-cell dashboard look) ─────────────── */
[class*="stat-hero"],
.stat-hero,
div[class*="grid"][class*="4"],
div[class*="grid-cols-4"] > div,
div[class*="grid-cols-2"] > div[class*="stat"] {
  background-color: var(--ll-bg-raised) !important;
  border: 1px solid var(--ll-border) !important;
  border-radius: 4px !important;
  box-shadow: none !important;
}

/* Kill inline background gradients on stat boxes */
[style*="linear-gradient"] {
  background-image: none !important;
  background-color: var(--ll-bg-raised) !important;
}

/* ── CTA / Amazon Affiliate Boxes ────────────────────────────── */
[class*="cta"],
.cta-box,
[class*="affiliate"],
[class*="buy-box"],
[class*="product-box"] {
  background-color: var(--ll-bg-raised) !important;
  border: 1px solid var(--ll-border-l) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  padding: 1.5rem !important;
}

/* CTA buttons */
a[class*="cta"],
a[class*="amazon"],
a[class*="btn"],
button[class*="cta"],
[class*="cta"] a[class*="bg-"],
a[rel*="sponsored"] {
  background-color: var(--ll-accent) !important;
  color: #0c0c0c !important;
  font-family: var(--ll-sans) !important;
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase !important;
  border-radius: 3px !important;
  padding: 0.75rem 1.5rem !important;
  box-shadow: none !important;
  border: none !important;
  display: inline-block !important;
  transition: background-color 0.15s !important;
}

a[class*="cta"]:hover,
a[rel*="sponsored"]:hover {
  background-color: var(--ll-accent-h) !important;
  color: #0c0c0c !important;
}

/* Kill purple buttons */
[class*="bg-purple"],
[class*="bg-violet"],
[class*="bg-[#7c3aed]"],
[style*="#7c3aed"],
[style*="#6d28d9"] {
  background-color: var(--ll-accent) !important;
  color: #0c0c0c !important;
}

/* ── Tables ─────────────────────────────────────────────────── */
table {
  border-collapse: collapse;
  width: 100%;
  font-family: var(--ll-sans);
  font-size: 0.9rem;
}

th {
  background-color: var(--ll-bg-raised) !important;
  color: var(--ll-muted) !important;
  font-family: var(--ll-sans) !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase !important;
  font-weight: 500 !important;
  padding: 0.875rem 1rem !important;
  border-bottom: 1px solid var(--ll-border) !important;
}

td {
  padding: 0.875rem 1rem !important;
  border-bottom: 1px solid var(--ll-border) !important;
  vertical-align: top;
}

tr:hover td { background-color: rgba(28, 28, 28, 0.5); }

/* ── Badges / Pills ─────────────────────────────────────────── */
[class*="badge"],
[class*="pill"],
[class*="tag"],
[class*="chip"] {
  background-color: var(--ll-bg-raised) !important;
  color: var(--ll-muted) !important;
  border: 1px solid var(--ll-border) !important;
  border-radius: 3px !important;
  font-family: var(--ll-sans) !important;
  font-size: 0.7rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  box-shadow: none !important;
}

/* Kill gradient backgrounds on badges */
[class*="badge"][class*="bg-gradient"],
[class*="affiliate-badge"] {
  background: var(--ll-bg-raised) !important;
  background-image: none !important;
}

/* ── Protocol/Info Boxes ─────────────────────────────────────── */
[class*="protocol"],
[class*="highlight-box"],
[class*="info-box"],
blockquote {
  background-color: var(--ll-bg-raised) !important;
  border-left: 2px solid var(--ll-accent) !important;
  border-radius: 0 4px 4px 0 !important;
  padding: 1.25rem 1.5rem !important;
  color: var(--ll-text) !important;
  font-style: normal;
}

/* ── Form Elements ───────────────────────────────────────────── */
input[type="email"],
input[type="text"],
textarea {
  background-color: var(--ll-bg-raised) !important;
  border: 1px solid var(--ll-border-l) !important;
  color: var(--ll-text) !important;
  font-family: var(--ll-sans) !important;
  border-radius: 3px !important;
}

input:focus, textarea:focus {
  outline: none !important;
  border-color: var(--ll-accent) !important;
  box-shadow: 0 0 0 2px rgba(196, 144, 96, 0.15) !important;
}

/* ── Article Content Typography ─────────────────────────────── */
article, .article-body, main {
  font-family: var(--ll-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ll-text);
}

article h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ll-border);
}

article h3 { margin-top: 2rem; margin-bottom: 0.75rem; }

article p { margin-bottom: 1.25rem; }

article ul, article ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

article li { margin-bottom: 0.4rem; }

/* ── Dividers ────────────────────────────────────────────────── */
hr,
[class*="border-b"],
[class*="divide-y"] > * {
  border-color: var(--ll-border) !important;
}

/* ── Muted / Secondary Text Colors ──────────────────────────── */
[class*="text-[#94a3b8]"],
[class*="text-[#64748b]"],
[class*="text-muted"],
[class*="text-gray"],
[class*="text-slate"],
.muted, .text-secondary {
  color: var(--ll-muted) !important;
  font-family: var(--ll-sans) !important;
  font-size: 0.875rem !important;
}

/* Category / label text */
[class*="text-[#7c3aed]"],
[class*="text-purple"],
[class*="text-violet"],
[class*="text-cyan"] {
  color: var(--ll-accent) !important;
}

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  background-color: #090909 !important;
  border-top: 1px solid var(--ll-border) !important;
  color: var(--ll-muted) !important;
  font-family: var(--ll-sans) !important;
  font-size: 0.8125rem !important;
}

footer a { color: var(--ll-muted) !important; }
footer a:hover { color: var(--ll-text) !important; }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ll-bg); }
::-webkit-scrollbar-thumb { background: var(--ll-subtle); border-radius: 3px; }

/* ── Article image styling ───────────────────────────────────── */
img {
  max-width: 100%;
  height: auto;
  border-radius: 0;
}

figure { margin: 2rem 0; }
figcaption {
  font-family: var(--ll-sans);
  font-size: 0.8rem;
  color: var(--ll-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

/* ── Selection ───────────────────────────────────────────────── */
::selection {
  background-color: rgba(196, 144, 96, 0.25);
  color: var(--ll-text);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  body { font-size: 16px; }
  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}