/* ============================================
   富甲天下论坛 - 主网站资料大全汇总中心
   CSS Stylesheet
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --primary: #c9a227;
  --primary-dark: #8b6914;
  --primary-light: #f5e6b3;
  --secondary: #1a1a2e;
  --secondary-light: #252540;
  --accent: #e94560;
  --text-primary: #ffffff;
  --text-secondary: #b8b8c8;
  --text-muted: #6b6b80;
  --success: #10b981;
  --warning: #f59e0b;
  --card-bg: #1e1e32;
  --border: #3a3a50;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  background-color: var(--secondary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

ul, ol {
  list-style: none;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif SC', serif;
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 15px 0;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(201, 162, 39, 0.3);
}

.logo-icon svg {
  width: 28px;
  height: 28px;
  color: var(--secondary);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-radius: 6px;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

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

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

.search-box input {
  width: 200px;
  padding: 10px 40px 10px 16px;
  background: var(--secondary-light);
  border: 1px solid var(--border);
  border-radius: 25px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.search-box input:focus {
  width: 260px;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box button {
  position: absolute;
  right: 12px;
  color: var(--text-muted);
  cursor: pointer;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--secondary);
  box-shadow: 0 4px 15px rgba(201, 162, 39, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(201, 162, 39, 0.4);
}

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

.btn-secondary:hover {
  background: rgba(201, 162, 39, 0.1);
}

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

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

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--secondary) 0%, #0f0f1a 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?w=1920&q=80') center/cover;
  opacity: 0.15;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--secondary) 70%);
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(201, 162, 39, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.08) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  padding: 40px 20px;
}

.hero-date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(201, 162, 39, 0.15);
  border: 1px solid rgba(201, 162, 39, 0.3);
  border-radius: 30px;
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease;
}

.hero-date svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

.hero-date span {
  font-size: 0.95rem;
  color: var(--primary-light);
  font-weight: 500;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  animation: fadeInUp 0.6s ease 0.6s both;
}

/* Decorative Elements */
.hero-decor {
  position: absolute;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(201, 162, 39, 0.2);
  border-radius: 50%;
}

.hero-decor-1 {
  top: 10%;
  left: -150px;
  animation: pulse 4s ease-in-out infinite;
}

.hero-decor-2 {
  bottom: 10%;
  right: -100px;
  width: 200px;
  height: 200px;
  animation: pulse 4s ease-in-out infinite 1s;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.05); }
}

/* ============================================
   Section Styles
   ============================================ */
.section {
  padding: 80px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.section-title h2 {
  font-size: 1.8rem;
}

.section-title span {
  padding: 4px 12px;
  background: var(--accent);
  color: white;
  font-size: 0.75rem;
  border-radius: 12px;
  margin-left: 8px;
}

.section-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 8px 16px;
  background: var(--secondary-light);
  color: var(--text-secondary);
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary);
  color: var(--secondary);
}

/* ============================================
   News Cards
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.news-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(201, 162, 39, 0.15);
}

.news-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.news-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: var(--primary);
  color: var(--secondary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
}

.news-card-badge.new {
  background: var(--accent);
}

.news-card-badge.hot {
  background: #ff6b35;
}

.news-card-content {
  padding: 20px;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.news-card-meta svg {
  width: 14px;
  height: 14px;
}

.news-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

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

.news-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.news-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.news-card-source {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.news-card-source img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.news-card-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Featured Card */
.news-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
}

.news-card.featured .news-card-image {
  height: 100%;
  min-height: 300px;
}

.news-card.featured .news-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
  background: var(--secondary-light);
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 24px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: var(--border);
}

.stat-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 8px 25px rgba(201, 162, 39, 0.25);
}

.stat-icon svg {
  width: 28px;
  height: 28px;
  color: var(--secondary);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
  font-family: 'Noto Serif SC', serif;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================
   Category Tabs
   ============================================ */
.category-nav {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.category-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 30px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
}

.category-btn:hover,
.category-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--secondary);
}

.category-btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   Today Focus Section
   ============================================ */
.today-section {
  background: linear-gradient(180deg, var(--secondary) 0%, var(--secondary-light) 100%);
}

.today-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.today-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.today-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
}

.today-card:hover {
  transform: translateX(5px);
  border-color: var(--primary);
  box-shadow: 0 5px 30px rgba(201, 162, 39, 0.1);
}

.today-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.today-card-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(201, 162, 39, 0.15);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--primary);
}

.today-card-tag svg {
  width: 12px;
  height: 12px;
}

.today-card-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.today-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.today-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.today-card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.today-card-footer svg {
  width: 14px;
  height: 14px;
}

/* ============================================
   Content List
   ============================================ */
.content-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.content-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: var(--transition);
  cursor: pointer;
}

.content-item:hover {
  border-color: var(--primary);
  transform: translateX(5px);
}

.content-item-image {
  width: 180px;
  height: 120px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}

.content-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.content-item-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.content-item-badge {
  padding: 3px 10px;
  background: var(--primary);
  color: var(--secondary);
  font-size: 0.7rem;
  border-radius: 4px;
}

.content-item-title {
  font-size: 1.05rem;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.content-item-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.content-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.content-item-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.content-item-meta svg {
  width: 14px;
  height: 14px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand .logo {
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--secondary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-copyright a {
  color: var(--primary);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

/* ============================================
   Auth Pages
   ============================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 60px;
  background: linear-gradient(135deg, var(--secondary) 0%, #0f0f1a 100%);
  position: relative;
}

.auth-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(201, 162, 39, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.08) 0%, transparent 50%);
}

.auth-container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 440px;
}

.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  box-shadow: var(--shadow-lg);
}

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

.auth-header .logo {
  justify-content: center;
  margin-bottom: 24px;
}

.auth-header h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.auth-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input {
  padding: 14px 16px;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

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

.form-error {
  font-size: 0.8rem;
  color: var(--accent);
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.checkbox-group a {
  color: var(--primary);
}

.password-strength {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.password-strength span {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  transition: var(--transition);
}

.password-strength.weak span:nth-child(1) {
  background: var(--accent);
}

.password-strength.medium span:nth-child(1),
.password-strength.medium span:nth-child(2) {
  background: var(--warning);
}

.password-strength.strong span {
  background: var(--success);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 8px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-divider span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

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

.auth-back {
  position: absolute;
  top: 100px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  z-index: 20;
}

.auth-back:hover {
  color: var(--primary);
}

.auth-back svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   User Profile Page
   ============================================ */
.user-page {
  padding-top: 100px;
  min-height: 100vh;
}

.user-header {
  background: linear-gradient(135deg, var(--secondary-light) 0%, var(--secondary) 100%);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}

.user-header .container {
  display: flex;
  align-items: center;
  gap: 32px;
}

.user-avatar {
  position: relative;
}

.user-avatar img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 4px solid var(--primary);
  object-fit: cover;
}

.user-avatar .avatar-badge {
  position: absolute;
  bottom: 5px;
  right: 5px;
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 0.9rem;
  font-weight: 600;
}

.user-info h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.user-info .user-id {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.user-stats {
  display: flex;
  gap: 32px;
}

.user-stat {
  text-align: center;
}

.user-stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
}

.user-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.user-nav {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.user-nav-btn {
  padding: 8px 16px;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.user-nav-btn:hover,
.user-nav-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--secondary);
}

.user-content {
  padding: 40px 0;
}

.user-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
}

.user-sidebar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  height: fit-content;
  position: sticky;
  top: 100px;
}

.sidebar-section {
  margin-bottom: 24px;
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.sidebar-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background: rgba(201, 162, 39, 0.1);
  color: var(--primary);
}

.sidebar-menu svg {
  width: 18px;
  height: 18px;
}

.user-main {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.main-header h2 {
  font-size: 1.3rem;
}

/* Activity List */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.activity-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--secondary);
  border-radius: 12px;
  transition: var(--transition);
}

.activity-item:hover {
  transform: translateX(5px);
}

.activity-image {
  width: 100px;
  height: 70px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.activity-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-title:hover {
  color: var(--primary);
}

.activity-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Settings Form */
.settings-section {
  margin-bottom: 32px;
}

.settings-section h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.settings-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.settings-item label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.settings-item span {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.avatar-upload {
  display: flex;
  align-items: center;
  gap: 20px;
}

.avatar-upload img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--border);
}

/* ============================================
   Article Page
   ============================================ */
.article-page {
  padding-top: 100px;
  padding-bottom: 60px;
}

.article-header {
  text-align: center;
  padding: 40px 0 60px;
  max-width: 800px;
  margin: 0 auto;
}

.article-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(201, 162, 39, 0.15);
  border-radius: 20px;
  color: var(--primary);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.article-title {
  font-size: 2.4rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.article-meta svg {
  width: 16px;
  height: 16px;
}

.article-cover {
  max-width: 900px;
  margin: 0 auto 40px;
  border-radius: 16px;
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: auto;
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
}

.article-content {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--text-secondary);
}

.article-content p {
  margin-bottom: 20px;
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

.article-content ul,
.article-content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
  list-style: disc;
}

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

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.article-tag {
  padding: 6px 14px;
  background: var(--secondary-light);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.article-tag:hover {
  background: var(--primary);
  color: var(--secondary);
}

/* Related Articles */
.related-section {
  max-width: 1200px;
  margin: 60px auto 0;
  padding-top: 60px;
  border-top: 1px solid var(--border);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-slideInLeft {
  animation: slideInLeft 0.6s ease forwards;
}

/* Stagger animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .user-grid {
    grid-template-columns: 1fr;
  }
  
  .user-sidebar {
    position: static;
  }
  
  .today-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .search-box {
    display: none;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .stat-item::after {
    display: none;
  }
  
  .news-card.featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  
  .news-card.featured .news-card-image {
    min-height: 200px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .today-grid {
    grid-template-columns: 1fr;
  }
  
  .content-item {
    flex-direction: column;
  }
  
  .content-item-image {
    width: 100%;
    height: 180px;
  }
  
  .article-title {
    font-size: 1.8rem;
  }
  
  .article-meta {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .user-header .container {
    flex-direction: column;
    text-align: center;
  }
  
  .user-stats {
    justify-content: center;
  }
  
  .settings-grid {
    grid-template-columns: 1fr;
  }
  
  .auth-card {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 60vh;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.bg-primary { background: var(--primary); }
.bg-secondary { background: var(--secondary); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.hidden { display: none !important; }
.visible { display: block !important; }