/* ==========================================================================
   TechBlog — Component Styles (components.css)
   ==========================================================================
   Every reusable UI component for the blog. Organized by page section.
   ========================================================================== */

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  background: rgba(10, 15, 30, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  width: 100%;
}

[data-theme="light"] .navbar {
  background: rgba(248, 250, 252, 0.8);
}

.navbar--scrolled {
  background: rgba(10, 15, 30, 0.92);
  box-shadow: var(--shadow-lg);
}

[data-theme="light"] .navbar--scrolled {
  background: rgba(248, 250, 252, 0.95);
}

/* — Logo — */
.navbar__logo {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.navbar__logo span {
  -webkit-text-fill-color: var(--color-text-secondary);
}

/* — Search — */
.navbar__search {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 320px;
  flex: 1;
  margin: 0 var(--space-6);
}

.navbar__search-icon {
  position: absolute;
  left: var(--space-3);
  width: 18px;
  height: 18px;
  color: var(--color-text-tertiary);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.navbar__search-input {
  width: 100%;
  padding: var(--space-2) var(--space-4) var(--space-2) 40px;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-base);
}

.navbar__search-input::placeholder {
  color: var(--color-text-tertiary);
}

.navbar__search-input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15), var(--shadow-glow-blue);
  background: var(--color-bg-card);
}

.navbar__search-input:focus ~ .navbar__search-icon {
  color: var(--color-accent-primary);
}

/* — Menu — */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.navbar__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-text-primary);
}

.navbar__link:hover::after,
.navbar__link--active::after {
  width: 100%;
}

/* — Hamburger (mobile) — */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.navbar__hamburger--open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger--open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger--open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================================================
   THEME TOGGLE
   ========================================================================== */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  background: rgba(59, 130, 246, 0.1);
}

.theme-toggle__icon {
  width: 20px;
  height: 20px;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle:hover .theme-toggle__icon {
  transform: rotate(30deg);
}

[data-theme="light"] .theme-toggle:hover .theme-toggle__icon {
  transform: rotate(-30deg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 70vh;
  padding: var(--space-8) var(--space-6);
  margin-top: 0; /* Clear margin since page-body has padding-top */
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.hero__particles {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.15) 1px, transparent 1px);
  background-size: 24px 24px;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: #fff;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero__excerpt {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  max-width: 600px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.hero__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero__author-name {
  font-weight: var(--font-semibold);
  color: #fff;
}

.hero__separator {
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   BLOG POST CARD
   ========================================================================== */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  background: var(--color-bg-card-hover);
}

.card:hover::before {
  opacity: 1;
}

/* — Card Image — */
.card__image-wrapper {
  position: relative;
  overflow: hidden;
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-slow);
}

.card__image-icon {
  font-size: var(--text-4xl);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
  transition: transform var(--transition-base);
}

.card:hover .card__image-icon {
  transform: scale(1.15) rotate(5deg);
}

/* — Card Body — */
.card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-5);
}

/* — Card Tag — */
.card__tag {
  display: inline-flex;
  align-self: flex-start;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  transition: all var(--transition-fast);
}

.card__tag--blue {
  color: var(--color-accent-primary);
  background: rgba(59, 130, 246, 0.12);
}

.card__tag--cyan {
  color: var(--color-accent-secondary);
  background: rgba(6, 182, 212, 0.12);
}

.card__tag--purple {
  color: var(--color-accent-tertiary);
  background: rgba(139, 92, 246, 0.12);
}

.card__tag--green {
  color: var(--color-accent-success);
  background: rgba(34, 197, 94, 0.12);
}

.card__tag--orange {
  color: var(--color-accent-warning);
  background: rgba(245, 158, 11, 0.12);
}

/* — Card Title — */
.card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.card:hover .card__title {
  color: var(--color-accent-primary);
}

/* — Card Excerpt — */
.card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* — Card Footer — */
.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card__author-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.card__author-name {
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
}

.card__read-time {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */
.sidebar {
  position: sticky;
  top: 96px; /* navbar height + spacing */
  align-self: flex-start;
}

.sidebar__section {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.sidebar__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* — Trending Item — */
.trending-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.trending-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.trending-item:first-child {
  padding-top: 0;
}

.trending-item:hover {
  padding-left: var(--space-2);
}

.trending-item__number {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  min-width: 32px;
}

.trending-item__content {
  flex: 1;
}

.trending-item__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-1);
  transition: color var(--transition-fast);
}

.trending-item:hover .trending-item__title {
  color: var(--color-accent-primary);
}

.trending-item__meta {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* — Tag Cloud — */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag-pill:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  background: rgba(59, 130, 246, 0.1);
}

/* ==========================================================================
   NEWSLETTER CTA
   ========================================================================== */
.newsletter {
  position: relative;
  padding: var(--space-7) var(--space-6);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-align: center;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  pointer-events: none;
}

.newsletter::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  pointer-events: none;
}

.newsletter__content {
  position: relative;
  z-index: 1;
}

.newsletter__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: #fff;
  margin-bottom: var(--space-3);
}

.newsletter__text {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-5);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter__form {
  display: flex;
  gap: var(--space-3);
  max-width: 440px;
  margin: 0 auto;
}

.newsletter__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  color: #fff;
  font-size: var(--text-sm);
  transition: all var(--transition-base);
}

.newsletter__input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter__input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  color: #fff;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  color: var(--color-text-primary);
  background: transparent;
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  background: rgba(59, 130, 246, 0.08);
}

.btn--ghost {
  color: var(--color-text-secondary);
  background: transparent;
}

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

.btn--white {
  color: var(--color-accent-primary);
  background: #fff;
  font-weight: var(--font-bold);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer__brand-description,
.footer__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-3);
  max-width: 320px;
}

.footer__text--sm {
  font-size: var(--text-xs);
  margin-top: var(--space-4);
}

.footer__heading,
.footer__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer__link {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent-primary);
}

.footer__link--inline {
  color: var(--color-accent-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.footer__link--inline:hover {
  color: var(--color-accent-secondary);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  background: rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

.footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-5);
}

/* ==========================================================================
   ARTICLE PAGE — Header
   ========================================================================== */
.article-header {
  position: relative;
  padding: var(--space-7) 0;
  margin-top: 0; /* Clear margin since page-body has padding-top */
  min-height: 280px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.article-header__background {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.article-header__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 15, 30, 0.4) 0%, rgba(10, 15, 30, 0.95) 100%);
  z-index: 1;
}

[data-theme="light"] .article-header__overlay {
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.4) 0%, rgba(248, 250, 252, 0.98) 100%);
}

.article-header__content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.article-header__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.article-header__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  max-width: 850px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .article-header__title {
  text-shadow: none;
}

.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

.article-header__author-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.article-header__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  border: 2px solid var(--color-border);
}

.article-header__author-name {
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  display: block;
}

.article-header__author-role {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  display: block;
}

.article-header__details {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-tertiary);
}

.article-header__details span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.article-header__details svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   ARTICLE PAGE — Content (Prose Styling)
   ========================================================================== */
.article-content {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
}

.article-content > * + * {
  margin-top: var(--space-5);
}

.article-content p {
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
}

.article-content h2 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-top: var(--space-7);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.article-content a {
  color: var(--color-accent-primary);
  text-decoration: underline;
  text-decoration-color: rgba(59, 130, 246, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-fast);
}

.article-content a:hover {
  text-decoration-color: var(--color-accent-primary);
}

.article-content ul,
.article-content ol {
  padding-left: var(--space-5);
  color: var(--color-text-secondary);
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  padding: var(--space-1) 0;
  line-height: var(--leading-relaxed);
}

.article-content li + li {
  margin-top: var(--space-2);
}

.article-content blockquote {
  position: relative;
  padding: var(--space-5) var(--space-5) var(--space-5) var(--space-6);
  margin: var(--space-6) 0;
  background: var(--color-bg-card);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  border-left: 4px solid transparent;
  border-image: var(--gradient-primary) 1;
  font-style: italic;
  color: var(--color-text-secondary);
}

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

.article-content img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 2px 6px;
  background: var(--color-bg-code);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent-secondary);
}

.article-content pre {
  position: relative;
  margin: var(--space-6) 0;
  padding: var(--space-5);
  background: #0d1117;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.article-content pre code {
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
}

.article-content pre .copy-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-tertiary);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-fast);
}

.article-content pre:hover .copy-btn {
  opacity: 1;
}

.article-content pre .copy-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-tertiary);
}

/* ==========================================================================
   ARTICLE PAGE — Table of Contents
   ========================================================================== */
.toc {
  position: sticky;
  top: 96px;
  align-self: flex-start;
  padding: var(--space-5);
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.toc__title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.toc__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.toc__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: all var(--transition-fast);
}

.toc__link:hover {
  color: var(--color-text-secondary);
  background: var(--color-bg-input);
}

.toc__link--active {
  color: var(--color-accent-primary);
  border-left-color: transparent;
  border-image: var(--gradient-primary) 1;
  background: rgba(59, 130, 246, 0.08);
  font-weight: var(--font-medium);
}

.toc__link--sub {
  padding-left: var(--space-6);
  font-size: var(--text-xs);
}

/* ==========================================================================
   ARTICLE PAGE — Share Buttons
   ========================================================================== */
.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.share-buttons__label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
  margin-right: var(--space-2);
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.share-btn:hover {
  transform: translateY(-2px);
}

.share-btn--twitter:hover  { color: #1da1f2; border-color: #1da1f2; background: rgba(29, 161, 242, 0.1); }
.share-btn--linkedin:hover { color: #0077b5; border-color: #0077b5; background: rgba(0, 119, 181, 0.1); }
.share-btn--facebook:hover { color: #1877f2; border-color: #1877f2; background: rgba(24, 119, 242, 0.1); }
.share-btn--copy:hover     { color: var(--color-accent-primary); border-color: var(--color-accent-primary); background: rgba(59, 130, 246, 0.1); }

.share-btn--lg {
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  gap: var(--space-2);
}

/* ==========================================================================
   ARTICLE PAGE — Related Posts
   ========================================================================== */
.related-posts {
  margin-top: var(--space-8);
  padding-top: var(--space-7);
  border-top: 1px solid var(--color-border);
}

.related-posts__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
}

.related-posts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

/* ==========================================================================
   CATEGORY PAGE — Filter Bar
   ========================================================================== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn svg {
  width: 16px;
  height: 16px;
  margin-right: var(--space-2);
}

.filter-btn__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  margin-right: var(--space-2);
}

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

.filter-btn--active {
  color: #fff;
  background: var(--gradient-primary);
  border-color: transparent;
}

.filter-btn--active:hover {
  color: #fff;
  box-shadow: var(--shadow-glow-blue);
}

/* — Load More — */
.load-more {
  display: flex;
  justify-content: center;
  padding: var(--space-7) 0;
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-7) 0;
}

.pagination__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination__btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-accent-primary);
}

.pagination__btn--active {
  color: #fff;
  background: var(--gradient-primary);
  border-color: transparent;
}

/* ==========================================================================
   BACK TO TOP
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-sticky);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-full);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.back-to-top--visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow-blue);
  transform: translateY(-3px);
}

/* ==========================================================================
   TAXONOMY PAGE & GENERAL — Page Header & Breadcrumbs
   ========================================================================== */
.page-header {
  padding: var(--space-7) 0 var(--space-6);
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-header__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
}

.page-header__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: var(--leading-relaxed);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.breadcrumb__link {
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  color: var(--color-accent-primary);
}

.breadcrumb__separator {
  color: var(--color-text-tertiary);
  opacity: 0.5;
}

.breadcrumb__current {
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}