/* ============================================
   Cowlpane News — Main Stylesheet
   ============================================ */

/* CSS Custom Properties — Light (default) */
:root {
  --color-bg: #FAFAFA;
  --color-card: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #666666;
  --color-text-muted: #888888;
  --color-border: #E5E5E5;
  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-shadow-hover: rgba(0, 0, 0, 0.12);

  --section-top-stories: #FF3B30;
  --section-politics: #5856D6;
  --section-finance: #34C759;
  --section-trading: #FF9500;
  --section-tech: #007AFF;
  --section-lifestyle: #FF2D55;

  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  --header-height: 64px;
  --max-width: 1200px;
  --content-width: 720px;
}

/* ============================================
   Dark Mode — driven by data-theme attribute
   (always set by JS on load)
   ============================================ */
html[data-theme="dark"] {
  --color-bg: #121212;
  --color-card: #1E1E1E;
  --color-text: #F0F0F0;
  --color-text-secondary: #B0B0B0;
  --color-text-muted: #888888;
  --color-border: #333333;
  --color-shadow: rgba(0, 0, 0, 0.35);
  --color-shadow-hover: rgba(0, 0, 0, 0.5);
}

/* ============================================
   Theme Switch (pure div, JS-driven)
   ============================================ */
.theme-switch {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  z-index: 10;
  user-select: none;
}
.switch-track {
  position: relative;
  width: 48px;
  height: 26px;
  background: #D1D5DB;
  border-radius: 999px;
  transition: background 0.35s ease;
}
html[data-theme="dark"] .switch-track {
  background: #6366F1;
}
.switch-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
html[data-theme="dark"] .switch-knob {
  transform: translateX(22px);
}
.switch-label-light,
.switch-label-dark {
  font-size: 14px;
  line-height: 1;
  transition: opacity 0.25s ease;
}
.switch-label-light {
  opacity: 1;
}
.switch-label-dark {
  opacity: 0.4;
}
html[data-theme="dark"] .switch-label-light {
  opacity: 0.4;
}
html[data-theme="dark"] .switch-label-dark {
  opacity: 1;
}
.theme-switch:hover .switch-track {
  box-shadow: 0 0 0 3px var(--color-shadow-hover);
}
.theme-switch:active .switch-knob {
  width: 24px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.4s ease, color 0.3s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================
   Header — Sticky with backdrop blur
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), background 0.4s ease;
}

html[data-theme="dark"] .site-header {
  background: rgba(18, 18, 18, 0.88);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 20px var(--color-shadow);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}
.site-logo:hover {
  opacity: 0.7;
}

/* Navigation */
.site-nav {
  display: flex;
  flex: 1;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 3px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-text);
  border-bottom-color: var(--section-color, var(--color-border));
  background: var(--color-shadow);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Main & Containers
   ============================================ */
main {
  flex: 1;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ============================================
   Scroll-in Animations
   ============================================ */
.anim-entry {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.anim-entry.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children */
.section-block.anim-entry .article-card:nth-child(1) { transition-delay: 0ms; }
.section-block.anim-entry .article-card:nth-child(2) { transition-delay: 80ms; }
.section-block.anim-entry .article-card:nth-child(3) { transition-delay: 160ms; }
.section-block.anim-entry .article-card:nth-child(4) { transition-delay: 240ms; }

/* ============================================
   Hero / Featured
   ============================================ */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
}

.hero-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px var(--color-shadow);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.hero-card:hover {
  box-shadow: 0 12px 40px var(--color-shadow-hover);
  transform: translateY(-4px);
}

.hero-link {
  display: block;
}

.hero-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.hero-card:hover .hero-media img {
  transform: scale(1.04);
}

.hero-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--section-color, #007AFF) 0%, color-mix(in srgb, var(--section-color, #007AFF) 60%, black) 100%);
}

.hero-body {
  padding: 1.5rem;
}

.hero-section {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--section-color, #007AFF);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}
.hero-card:hover .hero-title {
  color: var(--section-color, var(--color-text));
}

.hero-excerpt {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.hero-date {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   Homepage Sections
   ============================================ */
.homepage-sections {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.section-block {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 3px solid var(--section-color, var(--color-border));
  padding-bottom: 0.5rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.section-link:hover {
  color: var(--section-color, var(--color-text));
  transform: translateX(3px);
}

/* ============================================
   Article Cards — Enhanced hover
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.card-grid--two {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid--three {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .card-grid--two,
  .card-grid--three {
    grid-template-columns: 1fr;
  }
}

.article-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 1px 6px var(--color-shadow);
  border-top: 4px solid var(--section-color, var(--color-border));
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
  will-change: transform;
}

.article-card:hover {
  box-shadow: 0 10px 32px var(--color-shadow-hover);
  transform: translateY(-6px);
}

.card-link {
  display: block;
}

.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-card:hover .card-media img {
  transform: scale(1.06);
}

.card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--section-color, #007AFF) 0%, color-mix(in srgb, var(--section-color, #007AFF) 60%, black) 100%);
  transition: opacity var(--transition-smooth);
}
.article-card:hover .card-placeholder {
  opacity: 0.85;
}

.card-body {
  padding: 1rem 1.125rem 1.25rem;
}

.card-section {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--section-color, #007AFF);
  margin-bottom: 0.375rem;
}

.card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}
.article-card:hover .card-title {
  color: var(--section-color, var(--color-text));
}

.card-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ============================================
   Section List Page
   ============================================ */
.page-header {
  padding: 2.5rem 1.25rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-page-header .page-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  border-left: 6px solid var(--section-color, var(--color-border));
  padding-left: 1rem;
}

.page-description {
  margin-top: 0.75rem;
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  padding-left: calc(1rem + 6px);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2.5rem 0 1rem;
}

.pagination-link {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.pagination-link:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
  transform: translateY(-2px);
}

.pagination-info {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   Single Article
   ============================================ */
.article-single {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

/* Breadcrumb navigation */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0 0;
  font-size: 0.875rem;
  flex-wrap: wrap;
}

.breadcrumb-link {
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.breadcrumb-link:hover {
  color: var(--color-text);
}

.breadcrumb-section {
  color: var(--section-color, var(--color-text-secondary));
}

.breadcrumb-section:hover {
  color: var(--section-color, var(--color-text));
  opacity: 0.8;
}

.breadcrumb-sep {
  color: var(--color-text-muted);
  font-weight: 400;
}

.breadcrumb-current {
  color: var(--color-text-muted);
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 300px;
}

/* Bottom navigation buttons */
.article-bottom-nav {
  display: flex;
  gap: 1rem;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
  flex-wrap: wrap;
}

.bottom-nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  background: var(--section-color, var(--color-text));
  transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.bottom-nav-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-shadow-hover);
}

.bottom-nav-btn--home {
  background: var(--color-text-secondary);
  color: #fff;
}

.article-header {
  padding: 2.5rem 0 1.5rem;
  text-align: center;
}

.article-section-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--section-color, #007AFF);
  background: color-mix(in srgb, var(--section-color, #007AFF) 10%, transparent);
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  transition: background var(--transition-fast);
}
.article-section-badge:hover {
  background: color-mix(in srgb, var(--section-color, #007AFF) 20%, transparent);
}

.article-title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.article-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.meta-separator {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.article-figure {
  margin: 0 -1.25rem 2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-body {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
}

.article-body > * + * {
  margin-top: 1.25rem;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2rem;
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 1.75rem;
}

.article-body p {
  color: var(--color-text-secondary);
}

.article-body a {
  color: var(--section-color, #007AFF);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition-fast);
}
.article-body a:hover {
  opacity: 0.7;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
  color: var(--color-text-secondary);
}

.article-body li + li {
  margin-top: 0.375rem;
}

.article-body blockquote {
  border-left: 4px solid var(--section-color, var(--color-border));
  padding-left: 1.25rem;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-body pre {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-card);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
}

.article-body img {
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* Tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.tag {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.tag:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
  transform: translateY(-1px);
}

/* Related Articles */
.related-articles {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related-heading {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

/* ============================================
   Article Summary (RSS / list contexts)
   ============================================ */
.article-summary {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}
.article-summary:hover {
  background: var(--color-shadow);
}

.article-summary:last-child {
  border-bottom: none;
}

.summary-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  color: var(--section-color, var(--color-text));
  transition: opacity var(--transition-fast);
}
.article-summary:hover .summary-title {
  opacity: 0.8;
}

.summary-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 0.5rem;
}

.article-summary time {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ============================================
   Ad Units (AdSense)
   ============================================ */
.ad-unit {
  margin: 2rem 0;
  text-align: center;
  min-height: 50px;
  overflow: hidden;
}
.ad-in-article {
  margin: 1.5rem -1rem;
  padding: 0.5rem 0;
}
.ad-feed {
  margin: 1rem 0;
}
.ad-display {
  margin: 2rem auto;
  max-width: 728px;
}
.card-grid-ad {
  grid-column: 1 / -1;
}
@media (max-width: 768px) {
  .ad-in-article {
    margin: 1rem 0;
  }
}

/* ============================================
   Photo Credit (Unsplash)
   ============================================ */
.photo-credit {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.photo-credit a {
  color: var(--color-text-secondary);
  text-decoration: underline;
}

/* ============================================
   Amazon Affiliate Block
   ============================================ */
.affiliate-pick {
  position: relative;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 2rem 0 1rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.affiliate-pick:hover {
  border-color: #FF9900;
  box-shadow: 0 4px 20px rgba(255, 153, 0, 0.15);
}
.affiliate-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #FF9900;
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  z-index: 2;
}
.affiliate-link {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
}
.affiliate-img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 8px;
}
.affiliate-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, #FF9900 0%, #FFB84D 100%);
  border-radius: var(--radius-md);
}
.affiliate-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}
.affiliate-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.affiliate-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: #FF9900;
  transition: color var(--transition-fast);
}
.affiliate-pick:hover .affiliate-cta {
  color: #E68A00;
}
.affiliate-disclosure {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}
@media (max-width: 480px) {
  .affiliate-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .affiliate-img {
    width: 80px;
    height: 80px;
  }
}

/* ============================================
   Search Page
   ============================================ */
.search-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem var(--page-padding);
}
.search-header {
  margin-bottom: 1.5rem;
}
.search-title {
  font-size: 1.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.search-title svg {
  color: var(--color-text-secondary);
}
.search-box {
  margin-bottom: 1.5rem;
}
.search-box input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-size: 1.0625rem;
  font-family: inherit;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.search-box input:focus {
  border-color: var(--color-accent, #007AFF);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}
.search-box input::placeholder {
  color: var(--color-text-muted);
}
.search-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}
.search-results {
  margin-top: 0.5rem;
}
.search-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-secondary);
}
.search-empty p {
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
}
.search-sections {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.search-section-link {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  background: var(--section-color);
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.search-section-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.search-browse {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.search-browse-heading {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

/* ============================================
   404 Page
   ============================================ */
.error-page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 6rem 1.25rem;
  text-align: center;
}

.error-code {
  font-size: 6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-text-muted);
  line-height: 1;
}

.error-message {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin: 1rem 0 2rem;
}

.error-home {
  display: inline-block;
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.error-home:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-card);
  padding: 2rem 1.25rem;
  transition: background 0.4s ease;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.footer-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.footer-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-text);
  transition: width var(--transition-base);
}

.footer-nav a:hover {
  color: var(--color-text);
}

.footer-nav a:hover::after {
  width: 100%;
}

/* ============================================
   Mobile Navigation
   ============================================ */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  .site-nav.is-open {
    max-height: 400px;
  }

  .nav-list {
    flex-direction: column;
    padding: 0.5rem 1.25rem 1rem;
    gap: 0;
  }

  .nav-link {
    padding: 0.75rem 0;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    border-bottom-color: var(--color-border);
  }

  .nav-link:hover,
  .nav-link:focus {
    border-bottom-color: var(--section-color, var(--color-border));
  }

  .hero {
    padding-top: 1.25rem;
  }

  .hero-body {
    padding: 1.25rem;
  }

  .article-figure {
    margin-left: -1.25rem;
    margin-right: -1.25rem;
    border-radius: 0;
  }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .anim-entry {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   Print
   ============================================ */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .related-articles,
  .pagination {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .article-single {
    max-width: 100%;
  }
}