/* ========================================
   二维码扫码展示页 - 科技感暗黑霓虹风格
   ======================================== */

/* === 字体引入 === */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&display=swap');

:root {
  /* 暗黑基底 */
  --bg-deep: #06060b;
  --bg-panel: #0a0a14;
  --bg-card: #0e0e1c;
  --bg-elevated: #12122a;

  /* 霓虹主色 */
  --neon-cyan: #00f0ff;
  --neon-cyan-dim: rgba(0,240,255,0.15);
  --neon-cyan-glow: 0 0 10px rgba(0,240,255,0.4), 0 0 30px rgba(0,240,255,0.15);
  --neon-blue: #3366ff;
  --neon-blue-dim: rgba(51,102,255,0.15);
  --neon-pink: #ff2d95;
  --neon-pink-dim: rgba(255,45,149,0.15);
  --neon-green: #00ff88;
  --neon-green-dim: rgba(0,255,136,0.15);
  --neon-purple: #b347ea;
  --neon-orange: #ff6b35;

  /* 文字 */
  --text-primary: #e8e8f0;
  --text-secondary: #8890b0;
  --text-muted: #505570;
  --text-bright: #ffffff;

  /* 边框与分割 */
  --border-glow: rgba(0,240,255,0.12);
  --border-card: rgba(255,255,255,0.06);

  /* 字体 */
  --font-display: 'Orbitron', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
  --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* 间距 */
  --spacing-xs: 6px;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 28px;
  --spacing-xl: 40px;

  /* 动画 */
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--bg-deep);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* === 全局网格背景 === */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(rgba(0,240,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* === 扫光粒子 === */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 300px 200px at 15% 10%, rgba(0,240,255,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 200px 300px at 85% 80%, rgba(255,45,149,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 250px 150px at 50% 50%, rgba(51,102,255,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: particleDrift 20s ease-in-out infinite;
}

@keyframes particleDrift {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* === 扫描线叠加（全屏） === */
.scanlines {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,240,255,0.008) 2px,
    rgba(0,240,255,0.008) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* === 顶部导航 === */
.header {
  position: relative;
  z-index: 10;
  background: linear-gradient(180deg,
    rgba(10,10,20,0.98) 0%,
    rgba(10,10,20,0.9) 100%);
  border-bottom: 1px solid var(--border-glow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--spacing-sm) var(--spacing-md);
}

.header::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  opacity: 0.5;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.camera-icon {
  width: 26px;
  height: 26px;
  stroke-width: 1.5;
  color: var(--neon-cyan);
  filter: drop-shadow(0 0 8px rgba(0,240,255,0.5));
  animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(0,240,255,0.5)); }
  50% { filter: drop-shadow(0 0 16px rgba(0,240,255,0.8)); }
}

.title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--neon-cyan), #66d9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.menu-btn {
  background: none;
  border: none;
  color: var(--neon-cyan);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease-out-expo);
  position: relative;
}

.menu-btn:hover {
  background: var(--neon-cyan-dim);
  box-shadow: var(--neon-cyan-glow);
}

.menu-btn svg {
  width: 22px;
  height: 22px;
  filter: drop-shadow(0 0 4px rgba(0,240,255,0.4));
}

/* === 主内容区 === */
.main {
  position: relative;
  z-index: 5;
  max-width: 480px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* === 二维码卡片 === */
.qr-section { margin-bottom: var(--spacing-lg); }

.qr-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  overflow: hidden;
}

/* 卡片顶部发光边 */
.qr-card::before {
  content: '';
  position: absolute;
  top: 0; left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  opacity: 0.6;
}

.qr-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(0,240,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.qr-header {
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.qr-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.qr-type-badge {
  display: inline-block;
  background: var(--neon-cyan-dim);
  border: 1px solid rgba(0,240,255,0.25);
  color: var(--neon-cyan);
  padding: 4px 14px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 0 12px rgba(0,240,255,0.1);
}

.qr-image-container {
  position: relative;
  margin-bottom: var(--spacing-lg);
  z-index: 1;
  display: inline-block;
}

/* 全息边框效果 */
.qr-image-container::before {
  content: '';
  position: absolute;
  top: -8px; left: -8px; right: -8px; bottom: -8px;
  border: 1px solid rgba(0,240,255,0.2);
  border-radius: 16px;
  clip-path: polygon(
    0% 20%, 8px 20%, 8px 8px, calc(100% - 8px) 8px,
    calc(100% - 8px) 20%, 100% 20%, 100% calc(100% - 20%),
    calc(100% - 8px) calc(100% - 20%), calc(100% - 8px) calc(100% - 8px),
    8px calc(100% - 8px), 8px calc(100% - 20%), 0% calc(100% - 20%)
  );
  animation: hologramPulse 2s ease-in-out infinite;
}

@keyframes hologramPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.qr-image {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  display: block;
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  object-fit: contain;
  position: relative;
  z-index: 1;
}

.loading-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10,10,20,0.85);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  z-index: 5;
  backdrop-filter: blur(4px);
}

/* 科技感旋转加载 */
.spinner {
  width: 42px;
  height: 42px;
  border: 2px solid transparent;
  border-top: 2px solid var(--neon-cyan);
  border-right: 2px solid var(--neon-pink);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-sm);
  box-shadow: 0 0 15px rgba(0,240,255,0.3), inset 0 0 15px rgba(0,240,255,0.1);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
}

.qr-tap-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: var(--spacing-sm);
  font-family: var(--font-mono);
  letter-spacing: 1px;
  position: relative;
  z-index: 1;
}

.qr-footer {
  text-align: center;
  position: relative;
  z-index: 1;
}

.qr-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: var(--spacing-sm);
}

.expire-info {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-cyan);
  letter-spacing: 1px;
}

/* === 信息区域 === */
.info-section { margin-bottom: var(--spacing-lg); }

.title-banner {
  background: linear-gradient(135deg, rgba(0,240,255,0.1), rgba(51,102,255,0.1));
  border: 1px solid var(--border-glow);
  border-left: 3px solid var(--neon-cyan);
  color: var(--text-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  text-align: center;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.title-banner::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,240,255,0.08), transparent);
  animation: scanLine 3s linear infinite;
}

@keyframes scanLine {
  0% { left: -100%; }
  100% { left: 100%; }
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-glow);
}

.card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--neon-cyan);
}

.copy-btn {
  background: var(--neon-cyan-dim);
  border: 1px solid rgba(0,240,255,0.2);
  color: var(--neon-cyan);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 11px;
  cursor: pointer;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  transition: all 0.3s var(--ease-out-expo);
}

.copy-btn:hover {
  background: rgba(0,240,255,0.2);
  box-shadow: var(--neon-cyan-glow);
}

.card-content {
  color: var(--text-secondary);
  line-height: 1.9;
}

.attribute-item {
  display: flex;
  margin-bottom: 10px;
  align-items: center;
}

.attribute-item:last-child { margin-bottom: 0; }

.label {
  font-weight: 500;
  min-width: 80px;
  color: var(--text-muted);
  font-size: 13px;
}

.value {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* === 操作按钮 === */
.actions-section { margin-bottom: var(--spacing-lg); }

.action-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  font-family: var(--font-body);
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  transition: left 0.6s;
}

.btn:hover::after { left: 100%; }

.btn-primary {
  background: linear-gradient(135deg, rgba(0,240,255,0.15), rgba(51,102,255,0.15));
  border: 1px solid rgba(0,240,255,0.3);
  color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.1);
}

.btn-primary:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 30px rgba(0,240,255,0.25), 0 4px 12px rgba(0,0,0,0.3);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-elevated);
  border: 1px solid var(--border-glow);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--text-bright);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.btn-icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

/* === 分享区域 === */
.share-section {
  margin-top: var(--spacing-md);
  text-align: center;
}

.share-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 2px;
}

.share-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

.share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 14px 22px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
}

.share-btn:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--neon-cyan-glow);
  transform: translateY(-2px);
}

.share-btn span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.share-btn svg { color: var(--neon-green); }

/* === 页脚 === */
.footer {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  position: relative;
  z-index: 5;
}

.footer-content { max-width: 480px; margin: 0 auto; }

.footer-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 3px;
  margin-bottom: 4px;
}

.footer-sub {
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.5;
}

/* === 网络离线提示 === */
.network-offline {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: linear-gradient(90deg, rgba(255,107,53,0.15), rgba(255,45,149,0.15));
  border-bottom: 1px solid var(--neon-orange);
  color: var(--neon-orange);
  padding: 10px 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  backdrop-filter: blur(10px);
  letter-spacing: 1px;
}

/* === Toast提示 === */
.toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  text-align: center;
  animation: toastIn 0.4s var(--ease-spring);
  pointer-events: auto;
  border: 1px solid rgba(255,255,255,0.1);
}

.toast-success {
  background: rgba(0,255,136,0.15);
  border-color: rgba(0,255,136,0.3);
  color: var(--neon-green);
}
.toast-error {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.3);
  color: #ff5555;
}
.toast-warning {
  background: rgba(245,158,11,0.15);
  border-color: rgba(245,158,11,0.3);
  color: var(--neon-orange);
}
.toast-info {
  background: var(--neon-cyan-dim);
  border-color: rgba(0,240,255,0.3);
  color: var(--neon-cyan);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* === 响应式 === */
@media (max-width: 480px) {
  .main { padding: var(--spacing-sm); }
  .qr-card { padding: var(--spacing-lg) var(--spacing-md); }
  .qr-image { width: 160px; height: 160px; }
  .qr-title { font-size: 17px; }
  .action-buttons { flex-direction: column; }
  .btn { width: 100%; }
}

@media (max-width: 768px) and (orientation: landscape) {
  .qr-image { width: 120px; height: 120px; }
  .qr-card { padding: var(--spacing-md); }
}

/* === 辅助功能 === */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}