:root {
  --el-color-primary: #00f2fe;
  --el-color-primary-hover: #38bdf8;
  --el-color-primary-dark: #0284c7;
  --accent-purple: #7928ca;
  --accent-pink: #ff007a;
  --color-up: #00f5a0;
  --color-down: #ff4d4d;
  --bg-main: #090d16;
  --bg-card: #131926;
  --bg-card-hover: #1a2234;
  --bg-dark: #060911;
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-radius: 12px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.15);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  outline: none;
  background: #0d1526;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
}

option {
  background-color: #0d1526 !important;
  color: #ffffff !important;
  padding: 12px;
  font-size: 14px;
}

option:hover,
option:focus,
option:active,
option:checked {
  background-color: #1e293b !important;
  color: #00f2fe !important;
}

input:focus,
select:focus {
  border-color: var(--el-color-primary);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

/* App Container Layout */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Navbar */
.navbar {
  height: 70px;
  background: rgba(19, 25, 38, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(0, 242, 254, 0.1), 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.4), rgba(121, 40, 202, 0.4), transparent);
}

.navbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
}

.navbar .brand img.logo-img {
  height: 38px;
  width: auto;
}

.navbar .brand span.logo-tag {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(121, 40, 202, 0.2));
  border: 1px solid var(--el-color-primary);
  color: var(--el-color-primary);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 1px;
  font-weight: 700;
}

.navbar .nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.navbar .nav-item {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  transition: all 0.2s;
  position: relative;
  padding: 8px 0;
  cursor: pointer;
}

.navbar .nav-item:hover,
.navbar .nav-item.active {
  color: var(--el-color-primary);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
}

.navbar .nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--el-color-primary), var(--accent-purple));
  box-shadow: 0 0 8px var(--el-color-primary);
}

.navbar .user-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #00f2fe 0%, #0284c7 100%);
  color: #000;
  padding: 10px 22px;
  border-radius: 100px;
  font-weight: 700;
  transition: all 0.2s;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.6);
}

.btn-dark {
  background: linear-gradient(135deg, #7928ca 0%, #ff007a 100%);
  color: #fff;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 700;
  box-shadow: 0 0 15px rgba(121, 40, 202, 0.4);
}

.btn-dark:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 25px rgba(121, 40, 202, 0.7);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: 100px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: var(--el-color-primary);
  color: var(--el-color-primary);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
}

/* Mobile Bottom Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(19, 25, 38, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  z-index: 1000;
}

.mobile-nav-items {
  display: flex;
  height: 100%;
  justify-content: space-around;
  align-items: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  gap: 3px;
  cursor: pointer;
}

.mobile-nav-item.active {
  color: var(--el-color-primary);
  text-shadow: 0 0 8px var(--el-color-primary);
}

.mobile-nav-item svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* Main Content Container */
.page-container {
  flex: 1;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 80px 20px;
}

/* Cards & Widgets */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 16px;
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
}

/* Data Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.data-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  padding: 8px 10px;
  font-weight: 600;
  font-size: 11px;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

table.data-table td {
  padding: 10px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
}

table.data-table tr:hover {
  background-color: var(--bg-card-hover);
}

.price-up {
  color: var(--color-up);
  font-weight: 700;
}

.price-down {
  color: var(--color-down);
  font-weight: 700;
}

/* Tabs */
.tabs-header {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tab-btn {
  padding: 12px 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  background: transparent;
  border: none;
  position: relative;
  cursor: pointer;
}

.tab-btn.active {
  color: var(--el-color-primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--el-color-primary);
  box-shadow: 0 0 8px var(--el-color-primary);
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success {
  background: rgba(0, 245, 160, 0.15);
  color: var(--color-up);
  border: 1px solid rgba(0, 245, 160, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
  background: rgba(255, 77, 77, 0.15);
  color: var(--color-down);
  border: 1px solid rgba(255, 77, 77, 0.3);
}

.badge-info {
  background: rgba(0, 242, 254, 0.15);
  color: var(--el-color-primary);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 90%;
  max-width: 540px;
  padding: 28px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

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

.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
}

/* Grid System */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

/* Form Styles */
.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #1e293b;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.toast.success {
  border-color: var(--color-up);
  color: var(--color-up);
}

.toast.error {
  border-color: var(--color-down);
  color: var(--color-down);
}

.toast.info {
  border-color: var(--el-color-primary);
  color: var(--el-color-primary);
}

/* Footer Styling */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-color);
  padding: 24px 16px;
  margin-top: auto;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.3), rgba(121, 40, 202, 0.3), transparent);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-sub);
  font-size: 14px;
  cursor: pointer;
  transition: color 0.2s, text-shadow 0.2s;
}

.footer-links a:hover {
  color: var(--el-color-primary);
  text-shadow: 0 0 8px rgba(0, 242, 254, 0.4);
}

.footer-copy {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* Responsive Rules */
@media (max-width: 768px) {
  .navbar {
    padding: 0 10px;
  }

  .navbar .brand {
    gap: 6px;
    font-size: 20px;
  }

  .navbar .brand img.logo-img {
    height: 30px;
  }

  .navbar .user-actions {
    gap: 6px;
  }

  .navbar .user-actions .btn-primary,
  .navbar .user-actions .btn-outline {
    padding: 6px 12px;
    font-size: 13px;
  }

  .navbar .nav-links {
    display: none;
  }

  .mobile-nav {
    display: block;
    z-index: 2000;
  }

  .page-container {
    padding: 16px 12px 90px 12px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .toast-container {
    top: 12px;
    left: 16px;
    right: 16px;
    width: auto;
  }

  .toast {
    text-align: center;
  }

  .modal-content {
    width: 92%;
    padding: 20px 16px;
    max-height: 85vh;
  }

  .footer {
    padding: 20px 12px 80px 12px;
  }

  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table.data-table {
    min-width: 650px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .market-search {
    width: 100%;
    max-width: 100% !important;
  }

  .market-search input {
    max-width: 100% !important;
    width: 100% !important;
  }
}

/* Hero dark-bg outline button override */
.home-hero .btn-outline {
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.home-hero .btn-outline:hover {
  border-color: var(--el-color-primary);
  background: rgba(0, 242, 254, 0.1);
  color: var(--el-color-primary);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}