/* 全局设计系统设定 (极致质感浅色高亮主题) */
:root {
  --font-sans: 'Outfit', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --bg-color: #f5f8fc;
  --panel-bg: rgba(255, 255, 255, 0.75);
  --panel-border: rgba(255, 255, 255, 0.6);
  --text-primary: #0f172a;       /* 深邃蓝黑，主字色 */
  --text-secondary: #475569;     /* 灰蓝石墨，描述色 */
  --accent-color: #4f46e5;
  --accent-glow: rgba(79, 70, 229, 0.15);
  --success-color: #059669;
  --success-glow: rgba(5, 150, 105, 0.15);
  --card-radius: 20px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 重置与基础样式 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* 背景渐变粒子发光效果 (亮色下调低不透明度，打造水彩晕染感) */
.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.08; /* 降低不透明度 */
  pointer-events: none;
  z-index: 0;
  animation: float-glow 20s infinite alternate ease-in-out;
}

.bg-glow-1 {
  background: radial-gradient(circle, #4f46e5 0%, transparent 70%);
  top: -10%;
  left: -10%;
}

.bg-glow-2 {
  background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
  bottom: 10%;
  right: -5%;
  animation-delay: -5s;
}

.bg-glow-3 {
  background: radial-gradient(circle, #d946ef 0%, transparent 70%);
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: -10s;
}

@keyframes float-glow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(80px, 50px) scale(1.15);
  }
}

/* 网格纹路背景叠加 (亮色网格) */
.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(15, 23, 42, 0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.012) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 1;
  pointer-events: none;
}

/* 页面容器 */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 头部 Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 30px;
  border-b: 1px solid var(--panel-border);
  margin-bottom: 60px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -1px;
  color: #fff;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.logo-text h1 {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 1.5px;
  background: linear-gradient(to right, #0f172a, #475569);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.logo-text span {
  font-size: 10px;
  font-weight: 800;
  color: var(--accent-color);
  letter-spacing: 3px;
  display: block;
}

.header-status {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 8px 16px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  backdrop-filter: blur(10px);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success-color);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success-glow);
  display: inline-block;
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 14px var(--success-color); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

/* 英雄介绍区 */
.hero-section {
  text-align: center;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.tagline {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent-color);
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, #0f172a 30%, #312e81 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 过滤搜索条 */
.filter-bar {
  display: flex;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto 50px auto;
  align-items: center;
}

.search-box {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 14px 16px 14px 48px;
  border-radius: 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.search-box input:focus {
  border-color: var(--accent-color);
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.08);
}

.btn-refresh {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.btn-refresh:hover {
  background: #ffffff;
  border-color: var(--accent-color);
}

.btn-refresh svg {
  width: 20px;
  height: 20px;
  transition: transform 0.5s ease;
}

.btn-refresh.spinning svg {
  transform: rotate(360deg);
}

/* 加载动画 */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

.spinner {
  width: 40px;
  height: 40px;
  position: relative;
}

.double-bounce1, .double-bounce2 {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--accent-color);
  opacity: 0.6;
  position: absolute;
  top: 0;
  left: 0;
  animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
  animation-delay: -1.0s;
  background-color: #06b6d4;
}

@keyframes sk-bounce {
  0%, 100% { transform: scale(0.0); }
  50% { transform: scale(1.0); }
}

/* 空状态与错误 */
.empty-state, .error-card {
  text-align: center;
  padding: 60px 30px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  max-width: 500px;
  margin: 0 auto;
  backdrop-filter: blur(20px);
}

.empty-state svg, .error-card svg {
  width: 48px;
  height: 48px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.error-card svg {
  color: #ef4444;
}

.empty-state h3, .error-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.empty-state p, .error-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

/* 原型卡片网格 */
/* 原型列表容器 */
.card-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 60px;
}

/* 列表单行样式 (Glassmorphism + Flex Row) */
.prototype-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 20px 30px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: auto;
  transition: var(--transition-smooth);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.03), 0 1px 2px rgba(15, 23, 42, 0.01);
}

/* 最新版本的左侧发光特效 */
.prototype-card.newest::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #6366f1, #06b6d4, #d946ef);
}

/* 包含版本号与最新角标的容器 */
.version-badge-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 最新版本的角标标签 */
.new-ribbon {
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  color: white;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.2);
  white-space: nowrap;
}

.prototype-card:hover {
  transform: translateX(6px); /* 列表项 Hover 时向右微动 */
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06), 0 0 20px rgba(79, 70, 229, 0.08);
}

.card-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 130px;
  margin-bottom: 0;
  flex-shrink: 0;
}

.version-badge {
  font-family: monospace;
  font-size: 13px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  white-space: nowrap;
}

.update-date {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 0;
  color: var(--text-primary);
  min-width: 170px;
  flex-shrink: 0;
  letter-spacing: -0.3px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0;
  flex: 1; /* 占据横向主要空余空间 */
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 0;
  min-width: 140px;
  max-width: 220px;
  justify-content: flex-start;
  flex-shrink: 0;
}

.cap-tag {
  font-size: 10px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  padding: 3px 8px;
  border-radius: 5px;
  font-weight: 600;
  white-space: nowrap;
}

.card-footer {
  margin-top: 0;
  min-width: 130px;
  flex-shrink: 0;
}

/* 进入原型按钮 */
.btn-action {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(79, 70, 229, 0.06);
  border: 1px solid rgba(79, 70, 229, 0.15);
  color: var(--accent-color);
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  z-index: 10; /* 确保层级置顶，防点击被遮挡 */
}

.btn-action svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s ease;
}

.btn-action:hover {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-action:hover svg {
  transform: translateX(3px);
}

/* 页脚 Footer */
.footer {
  margin-top: auto;
  border-t: 1px solid var(--panel-border);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-secondary);
  font-size: 12px;
}

.footer-links {
  display: flex;
  gap: 10px;
}

.badge {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

/* 隐藏类 */
.hidden {
  display: none !important;
}

/* 响应式适配 (小屏或手机上收缩折叠为卡片) */
@media (max-width: 992px) {
  .header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 40px;
  }
  
  .hero-title {
    font-size: 34px;
  }
  
  .card-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .prototype-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
  }

  .prototype-card.newest::before {
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #06b6d4, #d946ef);
  }

  .card-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    min-width: auto;
  }

  .card-title {
    font-size: 20px;
    min-width: auto;
  }

  .card-desc {
    -webkit-line-clamp: none;
  }

  .card-tags {
    min-width: auto;
    max-width: none;
  }

  .card-footer {
    width: 100%;
    min-width: auto;
  }
  
  .footer {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
}