/**
 * Chanel Princess Forum Theme
 * Philosophy: "Vogue Magazine meets Reddit"
 * Image-forward, generous whitespace, crisp typography
 */

/* ==========================================
   DESIGN TOKENS
   ========================================== */

:root {
  /* Color Palette */
  --bg-primary: #FFFFFF;
  --text-primary: #0E0E0E;
  --text-secondary: #4A4A4A;
  --accent-gold: #D4AF37;
  --border-light: #F0F0F0;
  --border-medium: #E0E0E0;
  
  /* Typography Scale */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 1rem;      /* 16px */
  --space-md: 1.5rem;    /* 24px */
  --space-lg: 2rem;      /* 32px */
  --space-xl: 3rem;      /* 48px */
  --space-2xl: 4rem;     /* 64px */
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 2px;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;900&family=Inter:wght@300;400;500;600;700&display=swap');

.font-serif {
  font-family: var(--font-serif);
}

.font-sans {
  font-family: var(--font-sans);
}

/* Editorial Headings */
.editorial-heading {
  font-family: var(--font-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  line-height: 1.2;
}

.editorial-heading-xl {
  font-size: 3.5rem; /* 56px */
  letter-spacing: 0.2em;
}

.editorial-heading-lg {
  font-size: 2.5rem; /* 40px */
  letter-spacing: 0.18em;
}

.editorial-heading-md {
  font-size: 1.75rem; /* 28px */
  letter-spacing: 0.15em;
}

.editorial-heading-sm {
  font-size: 1.25rem; /* 20px */
  letter-spacing: 0.12em;
}

/* Body Text */
.body-text {
  font-family: var(--font-sans);
  font-size: 1rem; /* 16px */
  line-height: 1.75;
  color: var(--text-primary);
}

.body-text-sm {
  font-size: 0.875rem; /* 14px */
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Meta Text */
.meta-text {
  font-family: var(--font-sans);
  font-size: 0.75rem; /* 12px */
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

/* ==========================================
   CARD COMPONENTS
   ========================================== */

.forum-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-none);
  transition: all 0.3s ease;
}

.forum-card:hover {
  border-color: var(--border-medium);
}

/* Article Card (Main Feed) */
.article-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.2s ease;
}

.article-card:hover {
  background-color: #FAFAFA;
}

.article-card-image {
  aspect-ratio: 1 / 1;
  width: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.article-card:hover .article-card-image {
  filter: grayscale(0%);
}

/* Collection Card (Masonry) */
.collection-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-none);
  cursor: pointer;
}

.collection-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, filter 0.3s ease;
  filter: grayscale(30%);
}

.collection-card:hover .collection-card-image {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.collection-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
  padding: var(--space-md);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.collection-card:hover .collection-card-overlay {
  opacity: 1;
}

/* Thread Card (Marketplace) */
.marketplace-card {
  position: relative;
  border: 1px solid var(--border-light);
  transition: border-color 0.2s ease;
}

.marketplace-card:hover {
  border-color: var(--text-primary);
}

.marketplace-card-image {
  aspect-ratio: 3 / 4;
  width: 100%;
  object-fit: cover;
}

.price-tag {
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

/* ==========================================
   BADGES & ACCENTS
   ========================================== */

.vip-badge {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.625rem; /* 10px */
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: var(--radius-sm);
}

.category-badge {
  display: inline-block;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 0.25rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: all 0.2s ease;
}

.category-badge:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border-radius: var(--radius-none);
}

.btn-primary:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border-radius: var(--radius-none);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
}

/* ==========================================
   FORMS
   ========================================== */

.input-field {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  transition: border-color 0.2s ease;
  border-radius: var(--radius-none);
}

.input-field:focus {
  outline: none;
  border-color: var(--text-primary);
}

.input-field::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.textarea-field {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  padding: 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  transition: border-color 0.2s ease;
  border-radius: var(--radius-none);
  resize: vertical;
  min-height: 150px;
}

.textarea-field:focus {
  outline: none;
  border-color: var(--text-primary);
}

/* ==========================================
   BLOCKQUOTES (Best Answers)
   ========================================== */

.best-answer {
  border-left: 4px solid var(--accent-gold);
  padding: var(--space-md) var(--space-lg);
  background: #FAFAFA;
  margin: var(--space-lg) 0;
}

.best-answer-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  margin-bottom: var(--space-sm);
}

/* ==========================================
   NAVIGATION
   ========================================== */

.forum-nav {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 50;
}

.forum-nav-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  padding: var(--space-sm) var(--space-md);
  display: inline-block;
}

.forum-nav-link:hover,
.forum-nav-link.active {
  color: var(--text-primary);
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

/* Focus rings (Black, not blue) */
*:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

/* High contrast text */
.contrast-text {
  color: var(--text-primary);
  font-weight: 600;
}

/* ==========================================
   UTILITIES
   ========================================== */

.container-editorial {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-spacing {
  padding: var(--space-2xl) 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: var(--space-xl) 0;
}

.aspect-square {
  aspect-ratio: 1 / 1;
}

.aspect-portrait {
  aspect-ratio: 3 / 4;
}

.aspect-landscape {
  aspect-ratio: 4 / 3;
}

/* ==========================================
   RESPONSIVE UTILITIES
   ========================================== */

@media (max-width: 768px) {
  .article-card {
    grid-template-columns: 1fr;
  }
  
  .editorial-heading-xl {
    font-size: 2.5rem;
  }
  
  .editorial-heading-lg {
    font-size: 2rem;
  }
  
  .container-editorial {
    padding: 0 var(--space-md);
  }
}

/* ==========================================
   IMAGE HOVER EFFECTS
   ========================================== */

.grayscale-hover {
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.grayscale-hover:hover {
  filter: grayscale(0%);
}