:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --tech-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --dark-bg: #0a0a1a;
  --card-bg: rgba(20, 20, 40, 0.8);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --border-color: rgba(102, 126, 234, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #a0a0c0;
  --accent-cyan: #00f2fe;
  --accent-purple: #764ba2;
  --accent-pink: #f5576c;
  --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.4);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(245, 87, 108, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.header {
  background: rgba(10, 10, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 12px 20px;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  box-shadow: var(--shadow-glow);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.7), 0 0 60px rgba(102, 126, 234, 0.3);
  }
}

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

.logo-title {
  font-size: 18px;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.header-actions {
  display: flex;
  gap: 12px;
}

.icon-btn {
  width: 44px;
  height: 44px;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 20px;
}

.icon-btn:hover {
  background: rgba(102, 126, 234, 0.2);
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.nav-container {
  background: rgba(10, 10, 26, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.nav-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  background: var(--glass-bg);
  border: 1px solid transparent;
  border-radius: 16px;
  text-decoration: none;
  color: var(--text-secondary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-item:hover::before {
  opacity: 0.1;
}

.nav-item:hover {
  border-color: var(--border-color);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.1) 100%);
  border-color: var(--accent-purple);
  color: var(--text-primary);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 0 0 3px 3px;
}

.nav-icon {
  font-size: 24px;
  position: relative;
  z-index: 1;
}

.nav-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

.search-section {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.search-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.search-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.search-input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.search-input {
  flex: 1;
  padding: 14px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-size: 15px;
  transition: all 0.3s ease;
}

.search-input::placeholder {
  color: var(--text-secondary);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.select-input {
  padding: 14px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  color: var(--text-primary);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.select-input:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.select-input option {
  background: #ffffff;
  color: #000000;
}

.select-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.main-content {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-color), transparent);
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: rgba(102, 126, 234, 0.5);
  transform: translateY(-2px);
}

.chart-container {
  width: 100%;
  min-height: 400px;
  background: var(--glass-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-item {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.article-item:hover {
  background: rgba(102, 126, 234, 0.1);
  border-color: var(--accent-purple);
  transform: translateX(4px);
}

.article-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.article-tag {
  padding: 4px 10px;
  background: var(--primary-gradient);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.footer {
  background: rgba(10, 10, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  padding: 32px 20px;
  margin-top: 40px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-disclaimer {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.footer-copyright {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.footer-copyright strong {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--primary-gradient);
  border: none;
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-glow);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(102, 126, 234, 0.6);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.btn-secondary:hover {
  background: rgba(102, 126, 234, 0.2);
  border-color: var(--accent-purple);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-bg);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.table-container {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  background: var(--primary-gradient);
  color: var(--text-primary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: var(--glass-bg);
}

.table-header {
  background: var(--primary-gradient) !important;
}

.table-header th {
  text-align: center !important;
  font-size: 16px !important;
}

.alternate-row {
  background: rgba(102, 126, 234, 0.08);
}

@media (max-width: 768px) {
  .header {
    padding: 10px 16px;
  }
  
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  
  .logo-title {
    font-size: 16px;
  }
  
  .nav-grid {
    gap: 6px;
  }
  
  .nav-item {
    padding: 12px 6px;
  }
  
  .nav-icon {
    font-size: 20px;
  }
  
  .nav-label {
    font-size: 10px;
  }
  
  .search-section {
    padding: 16px;
  }
  
  .search-input-group {
    flex-direction: column;
  }
  
  .select-row {
    grid-template-columns: 1fr;
  }
  
  .main-content {
    padding: 16px;
  }
  
  .card {
    padding: 16px;
  }
  
  .chart-container {
    min-height: 300px;
  }
}

@media (max-width: 480px) {
  .nav-grid {
    gap: 4px;
  }
  
  .nav-item {
    padding: 10px 4px;
  }
  
  .nav-icon {
    font-size: 18px;
  }
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: rgba(102, 126, 234, 0.2);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 13px;
}

td {
  color: var(--text-secondary);
  font-size: 14px;
}

tr:hover td {
  background: rgba(102, 126, 234, 0.1);
  color: var(--text-primary);
}

tr:last-child td {
  border-bottom: none;
}

.report-content {
  width: 100%;
}

.report-content img {
  width: 100%;
  border-radius: 12px;
}

.etf-detail {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
}

.etf-detail h3 {
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 16px;
}

.etf-detail p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.info-card {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}

.info-title {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.info-content {
  color: var(--text-secondary);
  line-height: 1.6;
}