/* ============================================================
   style.css - Main Stylesheet for 论酒屋 (Wine Discussion House)
   A Chinese wine culture SPA website
   ============================================================ */

/* ----- CSS Custom Properties / Theme Variables ----- */
:root {
  /* Primary palette - golden/amber wine theme */
  --color-primary: #C8960C;
  --color-primary-dark: #A67A08;
  --color-primary-light: #D4A843;
  --color-primary-hover: #B8880A;
  --color-primary-bg: rgba(200, 150, 12, 0.1);

  /* Header */
  --color-header: #C8960C;
  --color-header-dark: #A67A08;

  /* Accent / CTA */
  --color-accent: #C0392B;
  --color-accent-hover: #A93226;

  /* Text */
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-text-inverse: #FFFFFF;

  /* Backgrounds */
  --color-bg: #F5F5F5;
  --color-bg-white: #FFFFFF;
  --color-bg-dark: #2C1810;
  --color-bg-footer: #1A0E08;

  /* Borders & Shadows */
  --color-border: #E8E8E8;
  --color-border-light: #F0F0F0;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-header: 0 2px 8px rgba(0, 0, 0, 0.15);

  /* Layout */
  --sidebar-left-width: 240px;
  --sidebar-right-width: 280px;
  --gap: 24px;
  --container-max: 1200px;
  --header-height: 60px;

  /* Radius */
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --radius-pill: 50px;

  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;

  /* Font */
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 18px;
  --font-size-xl: 22px;
  --font-size-2xl: 28px;
  --font-size-3xl: 36px;
}

/* Dark mode variables */
[data-theme="dark"] {
  --color-text: #E0E0E0;
  --color-text-light: #B0B0B0;
  --color-text-lighter: #888888;
  --color-bg: #1A1A1A;
  --color-bg-white: #2A2A2A;
  --color-bg-dark: #111111;
  --color-bg-footer: #0D0D0D;
  --color-border: #3A3A3A;
  --color-border-light: #333333;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-header: 0 2px 8px rgba(0, 0, 0, 0.4);
  --color-primary-bg: rgba(200, 150, 12, 0.15);
}


/* ============================================================
   1. RESET / BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

::selection {
  background: var(--color-primary);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: #CCC;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #AAA;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: #555;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: #777;
}


/* ============================================================
   2. UTILITY / LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 16px;
}

.main-content {
  flex: 1;
  padding: var(--gap) 0;
}

/* 3-column layout */
.layout-three-col {
  display: flex;
  gap: var(--gap);
  align-items: flex-start;
}

.layout-three-col .sidebar-left {
  width: var(--sidebar-left-width);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-height) + var(--gap));
}

.layout-three-col .content-center {
  flex: 1;
  min-width: 0;
}

.layout-three-col .sidebar-right {
  width: var(--sidebar-right-width);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-height) + var(--gap));
}

/* 2-column: content + right sidebar */
.layout-two-col {
  display: flex;
  gap: var(--gap);
  align-items: flex-start;
}

.layout-two-col .content-main {
  flex: 1;
  min-width: 0;
}

.layout-two-col .sidebar-right {
  width: var(--sidebar-right-width);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-height) + var(--gap));
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}


/* ============================================================
   3. HEADER / NAVIGATION
   ============================================================ */
.site-header {
  background: var(--color-header);
  color: var(--color-text-inverse);
  height: var(--header-height);
  box-shadow: var(--shadow-header);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 16px;
}

/* Logo area */
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: 32px;
}

.header-logo img {
  height: 36px;
  width: 36px;
  border-radius: 50%;
}

.header-logo .site-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
  letter-spacing: 1px;
}

/* Navigation links */
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.header-nav a {
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  white-space: nowrap;
  transition: var(--transition-fast);
}

.header-nav a:hover,
.header-nav a.active {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.15);
}

.header-nav a.active {
  background: rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

/* Header right area: search + auth */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  margin-left: 24px;
}

/* Search box in header */
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}

.header-search input {
  width: 180px;
  height: 34px;
  padding: 0 34px 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: var(--font-size-sm);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: var(--transition);
}

.header-search input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.header-search input:focus {
  width: 220px;
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.header-search button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-search button:hover {
  color: #FFFFFF;
}

/* Login / user buttons */
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #FFFFFF;
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.btn-login:hover {
  background: var(--color-accent-hover);
  color: #FFFFFF;
}

/* User avatar dropdown (when logged in) */
.header-user {
  position: relative;
}

.header-user-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border-radius: var(--radius-pill);
  cursor: pointer;
}

.header-user-btn img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.header-user-btn span {
  color: #FFFFFF;
  font-size: var(--font-size-sm);
}

.header-user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  min-width: 160px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
}

.header-user:hover .header-user-dropdown,
.header-user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-user-dropdown a {
  display: block;
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.header-user-dropdown a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.header-user-dropdown .divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 0;
}

/* Dark mode toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  cursor: pointer;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: var(--transition);
}

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

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-white);
  z-index: 999;
  overflow-y: auto;
  padding: 16px;
}

.mobile-nav.show {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 12px 16px;
  font-size: var(--font-size-md);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}


/* ============================================================
   4. CAROUSEL / BANNER
   ============================================================ */
.carousel {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--gap);
  background: var(--color-bg-white);
  box-shadow: var(--shadow-card);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  position: relative;
  aspect-ratio: 16 / 7;
  overflow: hidden;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-slide .carousel-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 32px 24px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.65));
  color: #FFFFFF;
}

.carousel-slide .carousel-overlay h2 {
  font-size: var(--font-size-xl);
  color: #FFFFFF;
  margin-bottom: 6px;
  font-weight: 700;
}

.carousel-slide .carousel-overlay p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  line-height: 1.5;
}

/* Carousel controls */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.35);
  color: #FFFFFF;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 10;
  opacity: 0;
}

.carousel:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.55);
}

.carousel-btn.prev {
  left: 16px;
}

.carousel-btn.next {
  right: 16px;
}

/* Carousel dots */
.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: var(--transition-fast);
}

.carousel-dot.active {
  background: #FFFFFF;
  width: 24px;
  border-radius: 4px;
}


/* ============================================================
   5. ARTICLE CARDS (Grid)
   ============================================================ */
.section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.article-card {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

/* Card cover image */
.article-card .card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.article-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

/* Category badge on cover */
.article-card .card-cover .category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--font-size-xs);
  font-weight: 500;
  z-index: 2;
}

/* Card body */
.article-card .card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card .card-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--color-text);
}

.article-card .card-title a {
  color: inherit;
}

.article-card .card-title a:hover {
  color: var(--color-primary);
}

.article-card .card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* Card footer: meta info */
.article-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-lighter);
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

.article-card .card-meta .meta-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.article-card .card-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 3px;
}

.article-card .card-meta .meta-item i {
  font-size: 13px;
}

/* Card tags row */
.article-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.article-card .card-tags .tag-pill {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 11px;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.article-card .card-tags .tag-pill:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

/* Horizontal card variant for lists */
.article-card.card-horizontal {
  flex-direction: row;
}

.article-card.card-horizontal .card-cover {
  width: 200px;
  aspect-ratio: auto;
  flex-shrink: 0;
}

.article-card.card-horizontal .card-body {
  padding: 16px 20px;
}


/* ============================================================
   6. SIDEBAR
   ============================================================ */
.sidebar-section {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px;
  margin-bottom: var(--gap);
}

.sidebar-section-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-bg);
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-section-title i {
  font-size: 18px;
}

/* --- Tags Cloud --- */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags-cloud .tag-item {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text-light);
  font-size: var(--font-size-xs);
  border: 1px solid var(--color-border);
  transition: var(--transition-fast);
  cursor: pointer;
}

.tags-cloud .tag-item:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.tags-cloud .tag-item.active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* --- Hot Articles List --- */
.hot-articles-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hot-article-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.hot-article-item .rank-number {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.hot-article-item:nth-child(1) .rank-number,
.hot-article-item:nth-child(2) .rank-number,
.hot-article-item:nth-child(3) .rank-number {
  background: var(--color-primary);
  color: #FFFFFF;
}

.hot-article-item .hot-article-info {
  flex: 1;
  min-width: 0;
}

.hot-article-item .hot-article-title {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  transition: var(--transition-fast);
}

.hot-article-item .hot-article-title:hover {
  color: var(--color-primary);
}

.hot-article-item .hot-article-meta {
  font-size: 11px;
  color: var(--color-text-lighter);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Liked Articles List --- */
.liked-articles-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.liked-article-item {
  display: flex;
  gap: 10px;
  align-items: center;
}

.liked-article-item .liked-thumb {
  width: 56px;
  height: 42px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.liked-article-item .liked-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.liked-article-item .liked-info {
  flex: 1;
  min-width: 0;
}

.liked-article-item .liked-title {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.3;
  transition: var(--transition-fast);
}

.liked-article-item .liked-title:hover {
  color: var(--color-primary);
}

.liked-article-item .liked-count {
  font-size: 11px;
  color: var(--color-text-lighter);
  margin-top: 2px;
}


/* ============================================================
   7. ARTICLE DETAIL PAGE
   ============================================================ */

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-text-light);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs .separator {
  color: var(--color-text-lighter);
  font-size: 12px;
}

.breadcrumbs .current {
  color: var(--color-text);
}

/* Article detail wrapper */
.article-detail {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px;
}

/* Article header */
.article-detail .article-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.article-detail .article-category-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--font-size-xs);
  font-weight: 500;
  margin-bottom: 12px;
}

.article-detail .article-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--color-text);
}

.article-detail .article-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
  flex-wrap: wrap;
}

.article-detail .article-info .info-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-detail .article-info .info-item i {
  font-size: 14px;
}

/* Article cover image */
.article-detail .article-cover {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  max-height: 460px;
}

.article-detail .article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Article content body */
.article-detail .article-content {
  font-size: var(--font-size-md);
  line-height: 1.85;
  color: var(--color-text);
}

.article-detail .article-content h1 {
  font-size: 26px;
  margin: 32px 0 16px;
}

.article-detail .article-content h2 {
  font-size: 22px;
  margin: 28px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
}

.article-detail .article-content h3 {
  font-size: 18px;
  margin: 24px 0 12px;
}

.article-detail .article-content h4 {
  font-size: 16px;
  margin: 20px 0 10px;
}

.article-detail .article-content p {
  margin-bottom: 16px;
}

.article-detail .article-content img {
  border-radius: var(--radius);
  margin: 16px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.article-detail .article-content blockquote {
  margin: 16px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-light);
  font-style: italic;
}

.article-detail .article-content ul,
.article-detail .article-content ol {
  margin: 12px 0;
  padding-left: 24px;
}

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

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

.article-detail .article-content li {
  margin-bottom: 6px;
}

.article-detail .article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(200, 150, 12, 0.3);
  text-underline-offset: 2px;
}

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

.article-detail .article-content pre {
  background: #2D2D2D;
  color: #F8F8F2;
  padding: 16px 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 16px 0;
  font-family: "Fira Code", "Source Code Pro", monospace;
  font-size: 13px;
  line-height: 1.5;
}

.article-detail .article-content code {
  background: rgba(200, 150, 12, 0.1);
  color: var(--color-primary-dark);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: "Fira Code", "Source Code Pro", monospace;
  font-size: 0.9em;
}

.article-detail .article-content pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.article-detail .article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.article-detail .article-content table th,
.article-detail .article-content table td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.article-detail .article-content table th {
  background: var(--color-primary-bg);
  font-weight: 600;
  color: var(--color-primary-dark);
}

.article-detail .article-content table tr:nth-child(even) {
  background: var(--color-bg);
}

/* Article tags at bottom */
.article-detail .article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

.article-detail .article-tags .tags-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
  margin-right: 4px;
}

.article-detail .article-tags .tag-pill {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  transition: var(--transition-fast);
}

.article-detail .article-tags .tag-pill:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

/* Like / share actions */
.article-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
}

.article-action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  transition: var(--transition);
  cursor: pointer;
}

.article-action-btn i {
  font-size: 18px;
}

.article-action-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.article-action-btn.liked {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(192, 57, 43, 0.08);
}

/* Previous / Next article nav */
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

.article-nav-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.article-nav-link .nav-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-lighter);
}

.article-nav-link .nav-title {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: var(--transition-fast);
}

.article-nav-link .nav-title:hover {
  color: var(--color-primary);
}

.article-nav-link.next {
  text-align: right;
}


/* ============================================================
   8. CATEGORY / TAG LISTING PAGES
   ============================================================ */
.page-header {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px 32px;
  margin-bottom: var(--gap);
}

.page-header .page-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-header .page-description {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.6;
}

.page-header .page-meta {
  margin-top: 12px;
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

/* Category pills on listing page */
.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.category-filter .filter-item {
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-white);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition-fast);
  cursor: pointer;
}

.category-filter .filter-item:hover,
.category-filter .filter-item.active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* Sort options */
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.sort-bar .sort-options {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sort-bar .sort-options a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

.sort-bar .sort-options a:hover,
.sort-bar .sort-options a.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.sort-bar .result-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}


/* ============================================================
   9. SEARCH PAGE
   ============================================================ */
.search-page {
  max-width: 800px;
  margin: 0 auto;
}

.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: var(--gap);
}

.search-box input {
  flex: 1;
  height: 48px;
  padding: 0 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-md);
  background: var(--color-bg-white);
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.search-box button {
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: var(--transition-fast);
}

.search-box button:hover {
  background: var(--color-primary-dark);
}

.search-results-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
  margin-bottom: 16px;
}

.search-results-info strong {
  color: var(--color-primary);
}

.search-result-item {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px;
  margin-bottom: 16px;
  transition: var(--transition);
}

.search-result-item:hover {
  box-shadow: var(--shadow-card-hover);
}

.search-result-item .result-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 8px;
}

.search-result-item .result-title a {
  color: var(--color-text);
}

.search-result-item .result-title a:hover {
  color: var(--color-primary);
}

.search-result-item .result-title a em,
.search-result-item .result-excerpt em {
  color: var(--color-primary);
  font-style: normal;
  background: var(--color-primary-bg);
  padding: 0 2px;
  border-radius: 2px;
}

.search-result-item .result-excerpt {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-item .result-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--font-size-xs);
  color: var(--color-text-lighter);
}

/* No results */
.no-results {
  text-align: center;
  padding: 60px 20px;
}

.no-results .no-results-icon {
  font-size: 64px;
  color: var(--color-border);
  margin-bottom: 16px;
}

.no-results h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.no-results p {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}


/* ============================================================
   10. PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
  padding: 16px 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.pagination .active {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  font-weight: 600;
}

.pagination .disabled {
  color: var(--color-text-lighter);
  cursor: not-allowed;
  opacity: 0.5;
}

.pagination .ellipsis {
  border: none;
  background: none;
  color: var(--color-text-lighter);
}

.pagination .prev-next {
  font-size: var(--font-size-sm);
}


/* ============================================================
   11. LOGIN / REGISTER FORMS
   ============================================================ */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height) - 200px);
  padding: 40px 16px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 40px 36px;
}

.auth-card .auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-card .auth-logo {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
}

.auth-card .auth-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.auth-card .auth-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

/* Form groups */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group .form-input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  font-size: var(--font-size-base);
  transition: var(--transition);
}

.form-group .form-input:focus {
  border-color: var(--color-primary);
  background: var(--color-bg-white);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-group .form-input.error {
  border-color: var(--color-accent);
}

.form-group .form-error {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  margin-top: 4px;
}

.form-group textarea.form-input {
  height: auto;
  min-height: 100px;
  padding: 12px 14px;
  resize: vertical;
}

/* Password toggle */
.input-password-wrap {
  position: relative;
}

.input-password-wrap .toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-lighter);
  cursor: pointer;
  font-size: 16px;
}

/* Form helpers */
.form-helper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: var(--font-size-sm);
}

.form-helper .remember-me {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-light);
  cursor: pointer;
}

.form-helper .remember-me input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}

.form-helper .forgot-link {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.form-helper .forgot-link:hover {
  text-decoration: underline;
}

/* Submit button */
.btn-submit {
  width: 100%;
  height: 46px;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--font-size-md);
  font-weight: 600;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-submit:hover {
  background: var(--color-primary-dark);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Auth footer link */
.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

.auth-footer a {
  color: var(--color-primary);
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* Alert / toast messages */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: var(--font-size-sm);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-success {
  background: #D4EDDA;
  color: #155724;
  border: 1px solid #C3E6CB;
}

.alert-error {
  background: #F8D7DA;
  color: #721C24;
  border: 1px solid #F5C6CB;
}

.alert-warning {
  background: #FFF3CD;
  color: #856404;
  border: 1px solid #FFEEBA;
}

.alert-info {
  background: #D1ECF1;
  color: #0C5460;
  border: 1px solid #BEE5EB;
}


/* ============================================================
   12. ADMIN PAGES
   ============================================================ */
.admin-layout {
  display: flex;
  min-height: calc(100vh - var(--header-height));
}

/* Admin sidebar */
.admin-sidebar {
  width: 220px;
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 24px 0;
  flex-shrink: 0;
}

.admin-sidebar .admin-menu-title {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  padding: 8px 20px;
  letter-spacing: 1px;
}

.admin-sidebar .admin-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
}

.admin-sidebar .admin-menu-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

.admin-sidebar .admin-menu-item.active {
  background: rgba(200, 150, 12, 0.2);
  color: var(--color-primary-light);
  border-right: 3px solid var(--color-primary);
}

.admin-sidebar .admin-menu-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

/* Admin content area */
.admin-content {
  flex: 1;
  padding: 24px 32px;
  background: var(--color-bg);
  overflow-y: auto;
}

.admin-page-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}

/* Admin stats cards */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.stat-card .stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.stat-card .stat-change {
  font-size: var(--font-size-xs);
  margin-top: 4px;
}

.stat-card .stat-change.up {
  color: #27AE60;
}

.stat-card .stat-change.down {
  color: var(--color-accent);
}

/* Admin tables */
.admin-table-wrap {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 24px;
}

.admin-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.admin-table-header h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-lighter);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
}

.admin-table td {
  padding: 12px 16px;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: var(--color-primary-bg);
}

/* Status badges */
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
}

.status-badge.published {
  background: #D4EDDA;
  color: #155724;
}

.status-badge.draft {
  background: #FFF3CD;
  color: #856404;
}

.status-badge.archived {
  background: #E2E3E5;
  color: #383D41;
}

/* Admin action buttons */
.admin-actions {
  display: flex;
  gap: 8px;
}

.btn-admin {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  transition: var(--transition-fast);
}

.btn-admin.btn-edit {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.btn-admin.btn-edit:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn-admin.btn-delete {
  background: rgba(192, 57, 43, 0.08);
  color: var(--color-accent);
}

.btn-admin.btn-delete:hover {
  background: var(--color-accent);
  color: #FFFFFF;
}

.btn-admin.btn-view {
  background: rgba(52, 152, 219, 0.1);
  color: #2980B9;
}

.btn-admin.btn-view:hover {
  background: #2980B9;
  color: #FFFFFF;
}

/* Admin primary button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-bg-white);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Admin form editor */
.admin-form {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 24px;
}

.admin-form .form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.admin-form .form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

.admin-form .form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

/* Image upload area */
.image-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-bg);
}

.image-upload:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.image-upload .upload-icon {
  font-size: 40px;
  color: var(--color-text-lighter);
  margin-bottom: 8px;
}

.image-upload .upload-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.image-upload .upload-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-lighter);
  margin-top: 4px;
}

.image-upload .preview-image {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius-sm);
}

/* Rich text editor wrapper */
.editor-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 8px 12px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.editor-toolbar button {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.editor-toolbar button:hover {
  background: var(--color-bg-white);
  color: var(--color-primary);
}

.editor-toolbar button.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.editor-content {
  min-height: 300px;
  padding: 16px;
  font-size: var(--font-size-base);
  line-height: 1.7;
}


/* ============================================================
   13. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-bg-footer);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 0;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 16px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .footer-logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.footer-brand .footer-logo span {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: 1px;
}

.footer-brand .footer-desc {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.footer-column h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
}

.footer-column a {
  display: block;
  padding: 4px 0;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-primary-light);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  padding: 0;
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.35);
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
  font-size: var(--font-size-xs);
}

.footer-bottom a:hover {
  color: var(--color-primary-light);
}


/* ============================================================
   14. 404 PAGE
   ============================================================ */
.page-404 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height) - 200px);
  text-align: center;
  padding: 40px 20px;
}

.page-404 .error-code {
  font-size: 120px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
  opacity: 0.2;
}

.page-404 .error-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-404 .error-message {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  margin-bottom: 32px;
  max-width: 400px;
}

.page-404 .error-actions {
  display: flex;
  gap: 12px;
}

.page-404 .btn-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: var(--transition);
}

.page-404 .btn-home:hover {
  background: var(--color-primary-dark);
  color: #FFFFFF;
}

.page-404 .btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  transition: var(--transition);
}

.page-404 .btn-back:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}


/* ============================================================
   15. LOADING & TRANSITIONS
   ============================================================ */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.loading-spinner::after {
  content: "";
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--color-border-light) 25%, var(--color-bg) 50%, var(--color-border-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-title {
  height: 20px;
  width: 70%;
  margin-bottom: 12px;
}

.skeleton-image {
  width: 100%;
  aspect-ratio: 16 / 10;
}

/* Page transition */
.page-enter {
  opacity: 0;
  transform: translateY(10px);
}

.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-leave-active {
  opacity: 0;
  transition: opacity 0.2s ease;
}

/* Fade in for lazy loaded content */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 16px);
  right: 16px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  background: var(--color-bg-white);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 400px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.success {
  border-left: 4px solid #27AE60;
}

.toast.error {
  border-left: 4px solid var(--color-accent);
}

.toast.warning {
  border-left: 4px solid #F39C12;
}

.toast .toast-close {
  margin-left: auto;
  color: var(--color-text-lighter);
  font-size: 16px;
  cursor: pointer;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border-light);
}

.modal-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-lighter);
  font-size: 20px;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 16px 24px;
  border-top: 1px solid var(--color-border-light);
}


/* ============================================================
   16. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Large tablets / small desktops */
@media (max-width: 1024px) {
  :root {
    --sidebar-left-width: 200px;
    --sidebar-right-width: 240px;
    --gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

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

/* Tablets */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  /* Show mobile menu toggle */
  .menu-toggle {
    display: flex;
  }

  /* Hide desktop nav */
  .header-nav {
    display: none;
  }

  .header-search {
    display: none;
  }

  .header-right {
    margin-left: auto;
  }

  /* Stack 3-col to single */
  .layout-three-col {
    flex-direction: column;
  }

  .layout-three-col .sidebar-left,
  .layout-three-col .sidebar-right {
    width: 100%;
    position: static;
  }

  .layout-two-col {
    flex-direction: column;
  }

  .layout-two-col .sidebar-right {
    width: 100%;
    position: static;
  }

  /* Article grid: 2 columns */
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* Article detail smaller padding */
  .article-detail {
    padding: 20px;
  }

  .article-detail .article-title {
    font-size: var(--font-size-xl);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Admin layout stack */
  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    padding: 12px 0;
    display: flex;
    overflow-x: auto;
  }

  .admin-sidebar .admin-menu-title {
    display: none;
  }

  .admin-sidebar .admin-menu-item {
    padding: 8px 16px;
    white-space: nowrap;
  }

  .admin-content {
    padding: 16px;
  }

  .admin-stats {
    grid-template-columns: 1fr 1fr;
  }

  /* Horizontal cards stack */
  .article-card.card-horizontal {
    flex-direction: column;
  }

  .article-card.card-horizontal .card-cover {
    width: 100%;
    aspect-ratio: 16 / 10;
  }

  /* Carousel smaller aspect */
  .carousel-slide {
    aspect-ratio: 16 / 9;
  }

  .carousel-slide .carousel-overlay h2 {
    font-size: var(--font-size-lg);
  }

  /* Article nav stack */
  .article-nav {
    flex-direction: column;
  }

  .article-nav-link.next {
    text-align: left;
  }

  .page-404 .error-code {
    font-size: 80px;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  /* Article grid: 1 column */
  .article-grid {
    grid-template-columns: 1fr;
  }

  /* Auth card tighter */
  .auth-card {
    padding: 28px 20px;
  }

  .auth-card .auth-title {
    font-size: var(--font-size-lg);
  }

  /* Article detail */
  .article-detail {
    padding: 16px;
  }

  .article-detail .article-title {
    font-size: var(--font-size-lg);
  }

  .article-detail .article-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  /* Search box stack */
  .search-box {
    flex-direction: column;
  }

  .search-box button {
    width: 100%;
  }

  /* Article actions stack */
  .article-actions {
    flex-direction: column;
    gap: 12px;
  }

  .article-action-btn {
    width: 100%;
    justify-content: center;
  }

  /* Pagination smaller */
  .pagination a,
  .pagination span {
    min-width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
  }

  /* Admin stats 1 col */
  .admin-stats {
    grid-template-columns: 1fr;
  }

  /* Admin form row stack */
  .admin-form .form-row {
    flex-direction: column;
  }

  /* Page header */
  .page-header {
    padding: 20px 16px;
  }

  .page-header .page-title {
    font-size: var(--font-size-lg);
  }

  /* Carousel overlay */
  .carousel-slide .carousel-overlay {
    padding: 24px 16px 16px;
  }

  .carousel-slide .carousel-overlay h2 {
    font-size: var(--font-size-md);
  }

  .carousel-slide .carousel-overlay p {
    font-size: var(--font-size-xs);
  }

  .carousel-btn {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .page-404 .error-code {
    font-size: 60px;
  }

  .page-404 .error-title {
    font-size: var(--font-size-lg);
  }

  .page-404 .error-actions {
    flex-direction: column;
    width: 100%;
  }

  .page-404 .btn-home,
  .page-404 .btn-back {
    width: 100%;
    justify-content: center;
  }

  /* Sidebar tags cloud */
  .sidebar-section {
    padding: 16px;
  }

  .tags-cloud {
    gap: 6px;
  }

  /* Footer social */
  .footer-brand .footer-desc {
    max-width: 100%;
  }
}

/* High DPI / Retina adjustments */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .carousel-slide img,
  .article-card .card-cover img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* Reduce motion for accessibility */
@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;
  }

  .carousel-track {
    transition: none;
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .sidebar-left,
  .sidebar-right,
  .carousel,
  .pagination,
  .article-actions,
  .toast-container {
    display: none !important;
  }

  body {
    background: #FFFFFF;
    color: #000000;
  }

  .article-detail {
    box-shadow: none;
    padding: 0;
  }

  .main-content {
    padding: 0;
  }
}