/* ========================================
   CryptoTrace - 区块链查询工具
   暗色主题设计系统
   ======================================== */

/* ---------- CSS 变量 ---------- */
:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --bg-input: rgba(0, 0, 0, 0.3);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.5);
  --text-muted: rgba(255, 255, 255, 0.3);
  --accent-start: #6366f1;
  --accent-end: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;
  --blue: #60a5fa;
  --orange: #f7931a;
  --eth-blue: #627eea;
  --tron-red: #ff0013;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  --shadow-glow: 0 8px 30px rgba(99, 102, 241, 0.3);
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-sans);
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1a1a3e 50%, #0d0d2b 100%);
  color: var(--text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 动态背景光效 ---------- */
.bg-glow {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
}
.glow-1 {
  position: absolute;
  top: -20%; left: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  animation: float1 20s ease-in-out infinite;
}
.glow-2 {
  position: absolute;
  bottom: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
  animation: float2 25s ease-in-out infinite;
}
@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 50px) scale(1.1); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-50px, -50px) scale(1.1); }
}

/* ---------- 容器 ---------- */
.container {
  position: relative; z-index: 1;
  max-width: 1000px; margin: 0 auto;
  padding: 40px 20px; min-height: 100vh;
}

/* ---------- 头部 ---------- */
.header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 40px;
}
.logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; cursor: pointer;
}
.logo-icon {
  width: 40px; height: 40px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.logo-text {
  font-size: 22px; font-weight: 600;
  background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- 首页搜索 ---------- */
.home-page { margin-bottom: 40px; }

.home-search {
  max-width: 700px; margin: 0 auto 60px; text-align: center;
}
.home-search h1 {
  font-size: 32px; font-weight: 600; margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.home-search .subtitle {
  font-size: 16px; color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ---------- 搜索框 ---------- */
.search-box {
  display: flex; gap: 12px;
  padding: 8px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}
.search-input {
  flex: 1;
  padding: 16px 24px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  font-size: 16px; color: var(--text-primary);
  outline: none;
  font-family: var(--font-mono);
}
.search-input::placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
}
.search-input:focus { border-color: var(--border-focus); }

.search-btn {
  padding: 16px 32px;
  background: var(--accent-gradient);
  border: none;
  border-radius: 14px;
  font-size: 16px; font-weight: 600;
  color: #fff; cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap;
}
.search-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.search-btn:disabled {
  opacity: 0.6; cursor: not-allowed; transform: none;
}

.search-error {
  color: var(--red);
  font-size: 14px;
  margin-top: 12px;
  min-height: 20px;
  text-align: center;
}

/* ---------- 价格条 ---------- */
.price-bar {
  display: flex; justify-content: center;
  gap: 24px; margin-top: 32px; flex-wrap: wrap;
}
.price-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px;
}
.price-item .icon {
  width: 24px; height: 24px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: #fff;
}
.price-item .icon.usdt { background: #26a17b; }
.price-item .icon.btc { background: var(--orange); }
.price-item .icon.eth { background: var(--eth-blue); }
.price-item .icon.trx { background: var(--tron-red); }
.price-item .name { color: var(--text-secondary); }
.price-item .value {
  font-weight: 500;
  font-family: var(--font-mono);
}

/* ---------- 链类型标识 ---------- */
.chain-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px; font-weight: 500;
}
.chain-badge.btc { background: rgba(247,147,26,0.15); color: var(--orange); }
.chain-badge.eth { background: rgba(98,126,234,0.15); color: var(--eth-blue); }
.chain-badge.tron { background: rgba(255,0,19,0.15); color: var(--tron-red); }

/* ---------- 地址结果页 ---------- */
.result-page { display: none; animation: fadeIn 0.4s ease; }
.result-page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 玻璃卡片 ---------- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 24px;
}

/* ---------- 地址头部 ---------- */
.address-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; margin-bottom: 20px;
}
.address-info { flex: 1; }

.address-label {
  font-size: 13px; font-weight: 500;
  color: var(--text-secondary); margin-bottom: 6px;
}
.address-row {
  display: flex; align-items: center;
  flex-wrap: wrap; gap: 8px;
}
.address-hash {
  font-size: 15px;
  font-family: var(--font-mono);
  color: var(--text-primary); cursor: pointer;
  word-break: break-all;
}
.address-hash:hover { opacity: 0.8; }

.copy-tip {
  display: inline;
  font-size: 12px; color: var(--green);
  opacity: 0; transition: opacity 0.3s ease;
  margin-left: 8px;
}
.copy-tip.show { opacity: 1; }

.address-actions { display: flex; gap: 6px; flex-shrink: 0; }
.action-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card-hover);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer; transition: var(--transition);
}
.action-btn:hover { background: rgba(255,255,255,0.2); color: #fff; }
.action-btn.copied {
  background: rgba(52,211,153,0.2);
  color: var(--green);
}

.back-btn {
  padding: 10px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  color: #fff; font-size: 14px;
  cursor: pointer; transition: var(--transition);
}
.back-btn:hover { background: rgba(255,255,255,0.15); }

/* ---------- 余额网格 ---------- */
.balance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.balance-item {
  padding: 16px 12px;
  background: transparent;
  border-right: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}
.balance-item:last-child { border-right: none; }
.balance-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
  letter-spacing: 0.3px;
}
.balance-value {
  font-size: 15px; font-weight: 600;
  font-family: var(--font-mono);
  word-break: break-all;
}
.balance-value.trx { color: var(--red); }
.balance-value.usdt { color: var(--green); }
.balance-value.energy { color: var(--yellow); }
.balance-value.cny { color: var(--blue); }
.balance-value.btc { color: var(--orange); }
.balance-value.eth { color: var(--eth-blue); }
.balance-value.bandwidth { color: var(--blue); }

/* ---------- 卡片内分隔线 ---------- */
.card-divider {
  height: 1px;
  background: var(--border-color);
  margin: 18px 0;
}

/* ---------- 结果卡片 ---------- */
.result-card { padding: 24px 28px; }

/* ---------- 地址行 ---------- */
.result-address-row {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  gap: 16px; margin-bottom: 14px;
}
.result-addr-left { flex: 1; min-width: 0; }
.result-addr-label {
  font-size: 12px; color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.result-addr-hash-row {
  display: flex; align-items: center;
  gap: 8px; margin-top: 2px;
}
.result-addr-right {
  display: flex; gap: 6px; flex-shrink: 0;
  align-items: center;
}

/* ---------- 结果页内搜索框 ---------- */
.result-search-box {
  display: flex; gap: 8px;
  padding: 6px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
}
.result-search-box .card-search-input {
  flex: 1;
  padding: 10px 14px;
  background: transparent;
  border: none;
  font-size: 14px; color: var(--text-primary);
  outline: none;
  font-family: var(--font-mono);
}
.result-search-box .card-search-input::placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
}
.result-search-box .card-search-btn {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-gradient);
  border: none; border-radius: 8px;
  color: #fff; cursor: pointer;
  font-size: 16px;
}

/* ---------- 交易汇总栏 ---------- */
.tx-summary {
  display: flex; gap: 24px;
  padding: 8px 0;
  font-size: 13px; color: var(--text-secondary);
}
.tx-summary .tx-sum-num { color: var(--text-primary); font-weight: 500; }
.tx-summary .tx-sum-in  { color: var(--green); }
.tx-summary .tx-sum-out { color: var(--red); }

/* ---------- 筛选标签 ---------- */
.tx-filter {
  display: flex; gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.tx-filter .filter-tab {
  padding: 5px 14px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  font-size: 12px; color: var(--text-secondary);
  cursor: pointer; transition: var(--transition);
}
.tx-filter .filter-tab:hover { border-color: rgba(255,255,255,0.3); color: #fff; }
.tx-filter .filter-tab.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
}
.tx-filter .filter-count {
  margin-left: auto;
  font-size: 12px; color: var(--text-muted);
}
.tx-filter .filter-count span { color: var(--text-secondary); }

/* ---------- 区块标题 ---------- */
.section-title {
  font-size: 13px; font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
/* ---------- 资产列表（保留兼容） ---------- */
.asset-list {
  display: flex; flex-direction: column; gap: 8px;
}
.asset-item {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: rgba(0,0,0,0.15);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.asset-item:hover {
  background: rgba(0,0,0,0.25);
}
.asset-left { display: flex; align-items: center; gap: 12px; }
.asset-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: #fff;
}
.asset-icon.btc { background: var(--orange); }
.asset-icon.eth { background: var(--eth-blue); }
.asset-icon.trx { background: var(--tron-red); }
.asset-icon.usdt { background: #26a17b; }
.asset-icon.usdc { background: #2775ca; }

.asset-name { font-size: 15px; font-weight: 500; }
.asset-desc { font-size: 12px; color: var(--text-secondary); }
.asset-right { text-align: right; }
.asset-balance {
  font-size: 15px; font-weight: 600;
  font-family: var(--font-mono);
}
.asset-value {
  font-size: 12px; color: var(--text-secondary);
}

/* ---------- 交易统计 ---------- */
.tx-stats {
  display: flex; gap: 16px;
  margin-top: 16px; padding: 14px 20px;
  background: rgba(0,0,0,0.15);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}
.tx-stat-item {
  display: flex; align-items: center; gap: 8px;
}
.tx-stat-label {
  font-size: 13px; color: var(--text-secondary);
}
.tx-stat-value {
  font-size: 15px; font-weight: 600;
  font-family: var(--font-mono);
}
.tx-stat-item.receive .tx-stat-value { color: var(--green); }
.tx-stat-item.send .tx-stat-value { color: var(--red); }

/* ---------- 标签切换 ---------- */
.tabs {
  display: flex; gap: 8px; margin-bottom: 20px;
  flex-wrap: wrap;
}
.tab-group { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
  padding: 10px 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  font-size: 14px; color: var(--text-secondary);
  cursor: pointer; transition: var(--transition);
  font-family: var(--font-sans);
}
.tab:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.tab.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
}

/* ---------- 交易列表 ---------- */
.tx-list {
  display: flex; flex-direction: column;
  gap: 1px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.tx-header {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr 1.5fr 1fr;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  font-size: 12px; font-weight: 500;
  color: var(--text-muted);
}
.tx-item {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr 1.5fr 1fr;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(0,0,0,0.15);
  transition: var(--transition);
  align-items: center;
}
.tx-item:hover { background: rgba(0,0,0,0.25); }

.col-time { font-size: 13px; color: var(--text-secondary); }
.col-addr {
  font-size: 13px;
  font-family: var(--font-mono);
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
  color: var(--blue);
}
.col-addr:hover { opacity: 0.8; text-decoration: underline; }
.col-addr.to { color: var(--green); }
.col-addr.from { color: var(--red); }

.tx-copy-tip {
  font-size: 11px; color: var(--green);
  opacity: 0; transition: opacity 0.3s;
  margin-left: 4px;
}
.tx-copy-tip.show { opacity: 1; }

.col-token { font-size: 13px; font-family: var(--font-mono); }
.col-amount { font-size: 14px; font-weight: 600; font-family: var(--font-mono); }
.col-amount.receive { color: var(--green); }
.col-amount.send { color: var(--red); }

.col-status { font-size: 12px; padding: 3px 8px; border-radius: 6px; text-align: center; display: inline-block; }
.col-status.success { background: rgba(52,211,153,0.15); color: var(--green); }
.col-status.pending { background: rgba(251,191,36,0.15); color: var(--yellow); }
.col-status.error { background: rgba(248,113,113,0.15); color: var(--red); }

/* ---------- 空状态 ---------- */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* ---------- 加载中 ---------- */
.loading {
  text-align: center; padding: 40px;
  color: var(--text-secondary);
}
.spinner {
  display: inline-block;
  width: 32px; height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-start);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .container { padding: 20px 16px; }
  .header { margin-bottom: 24px; }
  .logo-text { font-size: 18px; }
  .home-search h1 { font-size: 24px; }
  .search-box { flex-direction: column; }
  .search-btn { justify-content: center; }
  .result-card, .glass-card { padding: 16px; }
  .result-address-row { flex-direction: column; gap: 10px; }
  .result-addr-right { align-self: flex-start; }
  .tx-header, .tx-item {
    grid-template-columns: 1.2fr 1.2fr 0.8fr 1fr 0.8fr;
    font-size: 12px;
  }
  .col-status { font-size: 11px; }
  .balance-grid { grid-template-columns: repeat(2, 1fr); }
  .address-hash { font-size: 13px; }
  .tx-summary { flex-wrap: wrap; gap: 12px; font-size: 12px; }
  .tx-filter { flex-wrap: wrap; }
}