:root {
  --bg-dark: #0a0e17;
  --card-bg: #111827;
  --border-color: #1f2937;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --accent-orange: #f28b24;
  --accent-green: #10b981;
  --accent-blue: #3b82f6;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  padding-bottom: 60px;
}

.top-nav {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

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

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

.badge-tag {
  background-color: rgba(242, 139, 36, 0.15);
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.logo-group h1 {
  font-size: 20px;
  font-weight: 700;
}

.logo-group code {
  font-family: 'Fira Code', monospace;
  color: var(--accent-orange);
  background: #1e293b;
  padding: 2px 6px;
  border-radius: 4px;
}

.action-buttons {
  display: flex;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--accent-orange);
  color: #000;
}

.btn-primary:hover {
  background-color: #ff9d3b;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #1f2937;
  color: #fff;
  border: 1px solid #374151;
}

.btn-secondary:hover {
  background-color: #374151;
}

.page-container {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
}

.quick-stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
}

.stat-card .label {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.stat-card .val {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.stat-card .val.text-green {
  color: var(--accent-green);
}

.stat-card .sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.preview-card .card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.preview-card .card-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.preview-card .card-header .hint {
  font-size: 13px;
  color: var(--text-muted);
}

.ebay-render-box {
  padding: 24px;
  background-color: #f1f5f9;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--accent-green);
  color: #000;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 6px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 100;
}

.toast.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}