/* ==========================================================================
   kPulse — Dynamic Meta Tier-List WordPress Stylesheet
   Strict adherence to Karmazillo Ecosystem UI Rules (kBrand/UI_RULES.yaml)
   ========================================================================== */

:root {
  /* Dark Theme Tokens (Default) */
  --color-obsidian-950: #0B0C0E;
  --color-charcoal-900: #181A1F;
  --color-charcoal-800: #1F2228;
  --color-steel-700: #4A4F59;
  --color-steel-primary: #545454;
  --color-steel-500: #848B98;
  --color-white: #FFFFFF;
  --color-gold-500: #C59B27;
  --color-gold-300: #E5C058;
  --color-gold-700: #8A6814;
  --color-sand-50: #F8F7F4;

  /* Typography Triad */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Semantic UI Tokens */
  --bg-canvas: var(--color-obsidian-950);
  --bg-card: var(--color-charcoal-900);
  --bg-card-hover: var(--color-charcoal-800);
  --border-hairline: var(--color-steel-700);
  --border-subtle: #22262E;
  --text-main: var(--color-white);
  --text-muted: var(--color-steel-500);
  --accent-gold: var(--color-gold-500);
  --accent-gold-glow: var(--color-gold-300);
  --badge-gold-text: #0B0C0E; /* ACCESSIBILITY LAW: Text on Gold MUST be Obsidian Black */

  --transition-speed: 0.2s;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

[data-theme="light"] {
  --bg-canvas: var(--color-sand-50);
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0EFEA;
  --border-hairline: #D0CECA;
  --border-subtle: #E2DFD8;
  --text-main: #111317;
  --text-muted: #5C626E;
}

/* Global Reset & Container */
.kpulse-container {
  font-family: var(--font-body);
  background-color: var(--bg-canvas);
  color: var(--text-main);
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem 1.5rem;
  box-sizing: border-box;
}

.kpulse-brand-signature {
  display: flex;
  align-items: center;
  gap: 16px;
}

.kpulse-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.kpulse-brand-text {
  display: flex;
  flex-direction: column;
}

.kpulse-brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.kpulse-module-badge {
  background: var(--color-gold-500);
  color: #0B0C0E !important; /* STRICT ACCESSIBILITY RULE */
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpulse-brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.kpulse-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.kpulse-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  height: 38px;
  line-height: 1;
  padding: 0 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-hairline);
  background: var(--bg-card);
  color: var(--text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-sizing: border-box;
  vertical-align: middle;
  transition: all var(--transition-speed) ease;
}

#ecosystem-dropdown.kpulse-btn {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23C59B27' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

#theme-toggle.kpulse-btn {
  min-width: 96px;
}

.kpulse-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.kpulse-btn-gold {
  background-color: var(--color-gold-500);
  color: #0B0C0E !important; /* STRICT ACCESSIBILITY RULE: Text on gold MUST be Obsidian */
  border: 1px solid var(--color-gold-300);
}

.kpulse-btn-gold:hover {
  background-color: var(--color-gold-300);
  color: #0B0C0E !important;
  box-shadow: 0 0 12px rgba(197, 155, 39, 0.4);
}

/* Hero Section */
.kpulse-hero {
  text-align: center;
  padding: 30px 10px 40px 10px;
}

.kpulse-hero h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 10px 0;
  color: var(--text-main);
}

.kpulse-hero h1 span.gold {
  color: var(--accent-gold);
}

.kpulse-hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 20px auto;
  line-height: 1.5;
}

.kpulse-meta-badge-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.kpulse-meta-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 14px;
  background: var(--color-charcoal-800);
  border: 1px solid var(--border-hairline);
  border-radius: 20px;
  color: #D1D5DB !important;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.kpulse-meta-pill strong {
  color: #FFFFFF !important;
}

/* Light mode high-contrast enforcement on dark surfaces */
[data-theme="light"] .kpulse-meta-pill {
  background: #181A1F !important;
  border-color: rgba(0, 0, 0, 0.2) !important;
  color: #D1D5DB !important;
}

[data-theme="light"] .kpulse-meta-pill strong {
  color: #FFFFFF !important;
}

[data-theme="light"] .kpulse-score-tag {
  background: rgba(11, 12, 14, 0.90) !important;
  color: #FFFFFF !important;
}

[data-theme="light"] .kpulse-score-tag .score-num {
  color: var(--color-gold-300) !important;
}

[data-theme="light"] .kpulse-score-tag .score-label {
  color: #9CA3AF !important;
}

/* Controls Bar (Search & Filter) */
.kpulse-controls {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.kpulse-search-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.kpulse-search-input {
  flex: 1;
  min-width: 260px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-speed);
}

.kpulse-search-input:focus {
  border-color: var(--accent-gold);
}

.kpulse-sort-select {
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-main);
  outline: none;
  cursor: pointer;
}

.kpulse-filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.kpulse-pill {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: 20px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.kpulse-pill.active, .kpulse-pill:hover {
  background: var(--color-steel-primary);
  color: #FFFFFF;
  border-color: var(--color-steel-primary);
}

.kpulse-tier-filter-pills {
  display: flex;
  gap: 8px;
  align-items: center;
}

.kpulse-tier-tag {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity var(--transition-speed);
}

.kpulse-tier-tag.tier-s { background: var(--color-gold-500); color: #0B0C0E !important; }
.kpulse-tier-tag.tier-a { background: var(--color-steel-primary); color: #FFFFFF; }
.kpulse-tier-tag.tier-b { background: #383D47; color: #FFFFFF; }
.kpulse-tier-tag.tier-c { background: #2A2D34; color: #848B98; }
.kpulse-tier-tag.tier-d { background: #181A1F; color: #848B98; }

/* Tier Sections */
.kpulse-tier-section {
  margin-bottom: 40px;
}

.kpulse-tier-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-hairline);
  margin-bottom: 20px;
}

.kpulse-tier-badge {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.kpulse-tier-badge.badge-s { background: var(--color-gold-500); color: #0B0C0E !important; box-shadow: 0 0 16px rgba(197, 155, 39, 0.35); }
.kpulse-tier-badge.badge-a { background: var(--color-steel-primary); color: #FFFFFF; }
.kpulse-tier-badge.badge-b { background: #383D47; color: #FFFFFF; }

.kpulse-tier-info h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0;
  color: var(--text-main);
}

.kpulse-tier-info span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Product Cards Grid */
.kpulse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 20px;
}

.kpulse-card {
  background: var(--bg-card);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.kpulse-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-500);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
}

.kpulse-card-img-wrap {
  position: relative;
  width: 100%;
  height: 200px;
  background: var(--color-charcoal-900);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="light"] .kpulse-card-img-wrap {
  background: #F0EFEA;
}

.kpulse-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  box-sizing: border-box;
  opacity: 0.95;
  transition: transform 0.3s ease;
}

.kpulse-card:hover .kpulse-card-img {
  transform: scale(1.05);
}

.kpulse-sale-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #E03131;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.kpulse-score-tag {
  position: absolute;
  bottom: 10px;
  left: 12px;
  background: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-hairline);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpulse-score-tag .score-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-gold);
}

.kpulse-score-tag .score-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.kpulse-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.kpulse-brand-category-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.kpulse-card-brand {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpulse-card-cat {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.kpulse-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: var(--text-main);
}

.kpulse-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Aspect Progress Bars */
.kpulse-aspects-mini {
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kpulse-aspect-bar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
}

.kpulse-aspect-label {
  color: var(--text-muted);
  width: 95px;
}

.kpulse-progress-track {
  flex: 1;
  height: 6px;
  background: var(--border-subtle);
  border-radius: 3px;
  overflow: hidden;
  margin: 0 8px;
}

.kpulse-progress-fill {
  height: 100%;
  background: var(--color-gold-500);
  border-radius: 3px;
}

.kpulse-aspect-val {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-main);
  width: 32px;
  text-align: right;
}

/* Price & Affiliate Buy Button */
.kpulse-card-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kpulse-price-box {
  display: flex;
  flex-direction: column;
}

.kpulse-lowest-price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-main);
}

.kpulse-msrp-strike {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.kpulse-affiliate-btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 9px 16px;
  background: var(--color-gold-500);
  color: #0B0C0E !important; /* STRICT ACCESSIBILITY RULE */
  border: 1px solid var(--color-gold-300);
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-speed) ease;
}

.kpulse-affiliate-btn:hover {
  background: var(--color-gold-300);
  color: #0B0C0E !important;
  box-shadow: 0 0 14px rgba(197, 155, 39, 0.4);
}

/* Monolithic Footer */
.kpulse-footer {
  margin-top: 60px;
  padding: 30px 20px;
  border-top: 1px solid var(--border-hairline);
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.kpulse-footer-decl {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-main);
  margin-bottom: 6px;
}

.kpulse-footer-attr {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  margin-bottom: 12px;
}

.kpulse-footer-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.kpulse-footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.kpulse-footer-link:hover {
  color: var(--accent-gold);
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .kpulse-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .kpulse-hero h1 {
    font-size: 1.85rem;
  }
  .kpulse-grid {
    grid-template-columns: 1fr;
  }
}