/* ==========================================================================
   Cookie Manager with Daily Quotes - Official Showcase Site Stylesheet
   Designed with Dual-Theme (Deep Light & Dark) for Cloudflare Pages Global CDN
   ========================================================================== */

/* ── 核心设计系统与双主题变量 ────────────────────────────────── */
:root[data-theme="dark"] {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', var(--font-sans);
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, monospace;

  /* 品牌标志性左右流光渐变 */
  --primary-gradient: linear-gradient(90deg, #2563EB 0%, #4F46E5 28%, #7C3AED 55%, #D946EF 80%, #E11D48 100%);
  --primary-gradient-subtle: linear-gradient(90deg, rgba(37,99,235,0.12) 0%, rgba(124,58,237,0.12) 50%, rgba(225,29,72,0.12) 100%);
  
  --bg-base: #090D16;
  --bg-surface: rgba(18, 24, 38, 0.75);
  --bg-elevated: rgba(30, 41, 59, 0.65);
  --bg-card: rgba(18, 24, 38, 0.72);
  --bg-card-hover: rgba(26, 35, 54, 0.9);
  --bg-alt: #0D1322;
  --bg-input: rgba(15, 23, 42, 0.8);

  --border: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.1);
  --border-card-hover: rgba(255, 255, 255, 0.22);
  --border-focus: rgba(99, 102, 241, 0.45);

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-sub: #64748B;

  --accent-blue: #3B82F6;
  --accent-purple: #8B5CF6;
  --accent-pink: #EC4899;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 50px -10px rgba(99, 102, 241, 0.3);

  --mockup-bg: #121826;
  --mockup-header-bg: #0D121C;
  --mockup-body-bg: #151C2C;
  --canvas-opacity: 0.6;
}

:root[data-theme="light"] {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', var(--font-sans);
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, monospace;

  /* 浅色模式下更明亮有力的流光渐变 */
  --primary-gradient: linear-gradient(90deg, #1D4ED8 0%, #4338CA 28%, #6D28D9 55%, #C026D3 80%, #BE123C 100%);
  --primary-gradient-subtle: linear-gradient(90deg, rgba(29,78,216,0.06) 0%, rgba(109,40,217,0.06) 50%, rgba(190,18,60,0.06) 100%);
  
  --bg-base: #F8FAFC;
  --bg-surface: rgba(255, 255, 255, 0.85);
  --bg-elevated: rgba(241, 245, 249, 0.9);
  --bg-card: rgba(255, 255, 255, 0.82);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-alt: #F1F5F9;
  --bg-input: #FFFFFF;

  --border: rgba(0, 0, 0, 0.08);
  --border-card: rgba(0, 0, 0, 0.07);
  --border-card-hover: rgba(99, 102, 241, 0.3);
  --border-focus: rgba(79, 70, 229, 0.35);

  --text-main: #0F172A;
  --text-muted: #334155;
  --text-sub: #64748B;

  --accent-blue: #2563EB;
  --accent-purple: #7C3AED;
  --accent-pink: #DB2777;
  --accent-emerald: #059669;
  --accent-amber: #D97706;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 20px 40px -10px rgba(79, 70, 229, 0.15);

  --mockup-bg: #FFFFFF;
  --mockup-header-bg: #F8FAFC;
  --mockup-body-bg: #F1F5F9;
  --canvas-opacity: 0.35;
}

/* ── 基础复位与全局设定 ────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* 极光背景 Canvas */
.aurora-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: var(--canvas-opacity);
  transition: opacity 0.3s ease;
}

/* ── 顶部导航栏 (Navbar) ────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

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

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  color: var(--text-main);
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.brand-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

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

.btn-nav-install {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--primary-gradient);
  color: #FFFFFF !important;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 3px 12px rgba(79, 70, 229, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-nav-install:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 16px rgba(79, 70, 229, 0.35);
}

.ctrl-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.ctrl-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
  border-color: var(--border-focus);
}

/* ── 英雄宣传区 (Hero Section) ───────────────────── */
.hero {
  padding: 80px 24px 60px;
  text-align: center;
  position: relative;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--primary-gradient-subtle);
  border: 1px solid var(--border-card-hover);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 54px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.2px;
  margin-bottom: 20px;
}

.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  max-width: 780px;
  margin: 0 auto 36px;
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
}

/* 远程商店安装主推大按钮 */
.btn-primary-store {
  background: var(--primary-gradient);
  color: #FFFFFF;
  box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary-store:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(79, 70, 229, 0.55);
}

.btn-tag-rec {
  background: rgba(255, 255, 255, 0.25);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  transform: translateY(-2px);
}

/* ── 推荐：应用店安装优势横幅 ────────────────────────── */
.recommend-banner {
  max-width: 1100px;
  margin: 0 auto 70px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  text-align: left;
}

.rec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

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

.rec-icon {
  font-size: 26px;
}

.rec-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.rec-badge {
  background: var(--accent-emerald);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

.rec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

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

.rec-item-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.rec-item-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── 高保真产品面板 Mockup ────────────────────────── */
.mockup-section {
  max-width: 960px;
  margin: 0 auto 90px;
  perspective: 1000px;
}

.mockup-frame {
  background: var(--mockup-bg);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  box-shadow: var(--shadow-glow), var(--shadow-card);
  overflow: hidden;
  text-align: left;
  transition: all 0.3s ease;
}

.mockup-chrome-bar {
  background: var(--mockup-header-bg);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.window-dots {
  display: flex;
  gap: 6px;
  margin-right: 18px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.mockup-address {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--text-sub);
  font-family: var(--font-mono);
}

.mockup-inner {
  padding: 24px;
  background: var(--mockup-body-bg);
}

/* 模拟插件主体卡片 (与真实扩展界面 100% 对齐) */
.plugin-preview-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

/* 顶部流光卡片区 */
.mock-header-card {
  background: var(--primary-gradient);
  padding: 16px;
  color: #FFFFFF;
}

.mock-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.mock-weather-capsule {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.mock-weather-icon {
  font-size: 14px;
}

.mock-lang-capsule {
  background: rgba(255, 255, 255, 0.2);
  padding: 3px 10px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 700;
}

.mock-quote-box {
  background: rgba(0, 0, 0, 0.22);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.5;
  backdrop-filter: blur(4px);
}

.mock-quote-zh {
  font-weight: 600;
  margin-bottom: 4px;
}

.mock-quote-en {
  opacity: 0.85;
  font-size: 11px;
}

/* 插件主要内容区 */
.mock-plugin-content {
  padding: 14px;
  background: var(--bg-card);
}

.mock-search-bar {
  position: relative;
  margin-bottom: 12px;
}

.mock-search-input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
}

.mock-search-icon {
  position: absolute;
  left: 10px;
  top: 9px;
  color: var(--text-sub);
}

.mock-btn-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.mock-btn {
  padding: 6px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-main);
  cursor: default;
}

.mock-btn-primary {
  background: var(--accent-blue);
  color: #FFFFFF;
  border-color: transparent;
}

/* Cookie 列表 */
.mock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.mock-table th {
  text-align: left;
  padding: 8px;
  color: var(--text-sub);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.mock-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
}

.cookie-name {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-purple);
}

.cookie-val {
  font-family: var(--font-mono);
  color: var(--text-muted);
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cookie-tag-pin {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
  font-weight: 700;
}

/* ── 核心功能介绍网格 ────────────────────────────── */
.features-section {
  padding: 80px 24px;
  background: var(--bg-alt);
  transition: background 0.3s ease;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title-group {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 18px;
  padding: 32px 28px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  background: var(--primary-gradient-subtle);
  border: 1px solid var(--border);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── 离线安装指南步骤 ────────────────────────────── */
.install-section {
  padding: 90px 24px;
  background: var(--bg-base);
  transition: background 0.3s ease;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 18px;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.step-card:hover {
  border-color: var(--border-card-hover);
  transform: translateY(-3px);
}

.step-num {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  color: var(--text-sub);
  opacity: 0.3;
}

.step-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── 底部 CTA 区域 ──────────────────────────────── */
.cta-section {
  padding: 80px 24px;
  background: var(--bg-alt);
  text-align: center;
  position: relative;
}

.cta-box {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ── 页脚 (Footer) ──────────────────────────────── */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-base);
  font-size: 13px;
  color: var(--text-sub);
  transition: background 0.3s ease;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-links a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-main);
}

/* ── 响应式适配 ────────────────────────────────── */
@media (max-width: 1024px) {
  .rec-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(1, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 38px;
  }
  .nav-links {
    display: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .rec-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}