/* ==============================
   Modern Game Hub - Main Styles
   ============================== */

:root {
  --primary-color: #2563eb;
  --secondary-color: #7c3aed;
  --accent-color: #db2777;
  --success-color: #16a34a;
  --warning-color: #ea580c;
  --danger-color: #dc2626;
  --info-color: #0891b2;
  
  /* 中性色 */
  --dark-900: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --dark-600: #475569;
  --dark-500: #64748b;
  --light-500: #94a3b8;
  --light-400: #cbd5e1;
  --light-300: #e2e8f0;
  --light-200: #f1f5f9;
  --light-100: #f8fafc;
  --white: #ffffff;
  
  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  
  /* 圆角 */
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* 过渡 */
  --transition: all 0.2s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
  
  /* 断点 */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* 基础重置 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--light-100);
  color: var(--dark-900);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  padding-top: 80px;
}

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

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

/* 容器 */
.modern-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 卡片 */
.modern-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  position: relative;
}

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

/* 按钮 */
.modern-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.modern-button.primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow);
}

.modern-button.primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.modern-button.secondary {
  background: var(--light-200);
  color: var(--dark-800);
}

.modern-button.secondary:hover {
  background: var(--light-300);
}

.modern-button.icon {
  gap: 0.5rem;
}

/* 标题 */
.modern-title {
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1.2;
  color: var(--dark-900);
  margin-bottom: 1rem;
}

.modern-subtitle {
  font-size: 1.25rem;
  color: var(--dark-600);
  margin-bottom: 2rem;
}

/* 网格 */
.modern-grid {
  display: grid;
  gap: 1.5rem;
}

/* 区块 */
.modern-section {
  padding: 1.5rem 0 0 0;
}

.modern-section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.modern-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark-900);
  margin-bottom: 1rem;
}

.modern-section-subtitle {
  font-size: 1.125rem;
  color: var(--dark-600);
  max-width: 600px;
  margin: 0 auto;
}

/* 评分星星 */
.filled {
  color: var(--warning-color);
}

/* 顶部导航 */
.modern-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

.nav-logo .logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--dark-900);
  transition: var(--transition);
}

.nav-logo .logo-icon {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

.logo-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 400px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--dark-700);
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-link:hover {
  color: var(--dark-900);
  background: var(--light-200);
}

.nav-link.active {
  color: var(--white);
  background: var(--gradient-primary);
  box-shadow: var(--shadow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-box {
  position: relative;
}

.search-input {
  padding: 0.75rem 1rem;
  padding-right: 2.5rem;
  border: 1px solid var(--light-400);
  border-radius: var(--radius-full);
  background: var(--light-100);
  color: var(--dark-900);
  font-family: inherit;
  width: 200px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  width: 250px;
  background: var(--white);
}

.search-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--dark-600);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.search-btn:hover {
  color: var(--dark-900);
}

.hamburger {
  display: none;
  background: transparent;
  border: 1px solid var(--light-400);
  color: var(--dark-900);
  width: 40px;
  height: 40px;
  margin: 0 auto;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.hamburger:hover {
  background: var(--light-200);
  transform: rotate(90deg);
}

/* 移动端面板 */
.mobile-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--white);
  z-index: 2000;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  outline: none;
}

.mobile-panel.active {
  transform: translateX(0);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--light-300);
  background: var(--light-100);
}

.panel-logo {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--dark-900);
}

.panel-logo .logo-icon {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

.logo-text-mobile {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 420px;
}

.panel-close {
  background: transparent;
  border: none;
  color: var(--dark-600);
  font-size: 1.5rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.panel-close:hover {
  background: var(--light-200);
  color: var(--dark-900);
}

.panel-content {
  padding: 1.5rem;
}

.mobile-menu {
  list-style: none;
  margin-bottom: 2rem;
}

.mobile-item {
  margin-bottom: 0.5rem;
}

.mobile-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  color: var(--dark-700);
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: var(--transition);
}

.mobile-link:hover {
  color: var(--dark-900);
  background: var(--light-200);
}

.mobile-link.active {
  color: var(--white);
  background: var(--gradient-primary);
  box-shadow: var(--shadow);
}

.mobile-search {
  margin-top: 2rem;
}

.mobile-search-form {
  position: relative;
}

.mobile-search-input {
  width: 100%;
  padding: 1rem;
  padding-right: 3rem;
  border: 1px solid var(--light-400);
  border-radius: var(--radius-full);
  background: var(--light-100);
  color: var(--dark-900);
  font-family: inherit;
  transition: var(--transition);
}

.mobile-search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--white);
}

.mobile-search-btn {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--dark-600);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.mobile-search-btn:hover {
  color: var(--dark-900);
}

/* 主容器 */
.main-container {
  min-height: calc(100vh - 80px);
}

/* 页脚 */
.modern-footer {
  background: var(--dark-900);
  color: var(--light-400);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section {
  text-align: center; /* 默认居中对齐 */
}

.footer-section h3,
.footer-section h4 {
  color: var(--white);
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
}

.footer-logo i {
  color: var(--primary-color);
}

.footer-description {
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-links li {
  margin-bottom: 0.75rem;
  width: 100%;
}

.footer-links a {
  color: var(--light-400);
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--white);
  transform: translateX(4px);
}

.newsletter-description {
  margin-bottom: 1rem;
  line-height: 1.7;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.newsletter-input {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem;
  border: 1px solid var(--dark-700);
  border-radius: var(--radius-lg);
  background: var(--dark-800);
  color: var(--white);
  font-family: inherit;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.newsletter-btn {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  padding: 0 1.25rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.footer-bottom {
  border-top: 1px solid var(--dark-700);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--dark-500);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }
  
  .hamburger {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .modern-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modern-title {
    font-size: 2rem;
  }
  
  .modern-subtitle {
    font-size: 1.125rem;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 70px;
  }
  
  .modern-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
  
  .logo-text {
    max-width: 320px;
  }
  
  .nav-actions .search-box {
    display: none;
  }
  
  .modern-title {
    font-size: 1.75rem;
  }
  
  .modern-subtitle {
    font-size: 1rem;
  }
  
  .modern-section {
    padding: 2rem 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-section h3,
  .footer-section h4 {
    justify-content: center;
  }
  
  .footer-links {
    align-items: center;
  }
  
  .newsletter-form {
    display: none;
    /* flex-direction: column;
    align-items: center; */
  }
  
  .newsletter-input {
    min-width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .newsletter-btn {
    width: 100%;
    max-width: 200px;
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  .search-input {
    width: 150px;
  }
  
  .search-input:focus {
    width: 180px;
  }
  
  .logo-text {
    max-width: 250px;
    font-size: 1rem;
  }
  
  .modern-title {
    font-size: 1.5rem;
  }
  
  .footer-content {
    gap: 1.5rem;
  }
  
  .newsletter-input {
    min-width: 100%;
  }
}