:root {
  --bg-primary: #09090b;
  --bg-secondary: #18181b;
  --bg-tertiary: #27272a;
  --border-color: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #fff;
  --success: #22c55e;
  --error: #ef4444;
  --gradient: linear-gradient(135deg, #27272a 0%, #18181b 100%);
}

.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(9, 9, 11, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-screen.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.loading-spinner {
  position: relative;
  width: 80px;
  height: 80px;
}

.spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid transparent;
  animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(1) {
  border-top-color: #fff;
  animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  border-right-color: #a1a1aa;
  animation-delay: 0.15s;
  animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  border-bottom-color: #71717a;
  animation-delay: 0.3s;
}

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

.loading-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.loading-credits {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.loading-subtext {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
  margin-top: 8px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.header-bar {
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.header-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.brand-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-badge {
  background: var(--gradient);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 100px 24px 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.hero-section {
  margin-bottom: 32px;
}

.hero-text {
  text-align: center;
  padding: 40px 0;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
  background: linear-gradient(180deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 400;
}

.codes-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 0;
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-title h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
}

.update-time {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.btn-primary {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary.loading .btn-icon {
  animation: rotate 1s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.btn-icon {
  transition: transform 0.3s ease;
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  gap: 16px;
  color: var(--text-muted);
}

.loader {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: rotate 0.8s linear infinite;
}

.error-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px 24px;
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  font-size: 0.9rem;
}

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

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

.data-table th {
  text-align: left;
  padding: 14px 24px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.code-display {
  font-family: 'Space Grotesk', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  background: none;
}

.text-muted {
  color: var(--text-muted);
}

.btn-copy {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

.btn-copy.success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.code-display-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  gap: 16px;
}

.code-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
}

.code-big {
  font-family: 'Space Grotesk', monospace;
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--text-primary);
  background: linear-gradient(180deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  user-select: all;
}

.code-time {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.btn-copy-big {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  padding: 14px 28px;
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 8px;
}

.btn-copy-big:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}

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

.btn-copy-big.success {
  background: var(--success);
  color: #fff;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  color: var(--text-muted);
  gap: 12px;
}

.empty-state svg {
  opacity: 0.4;
}

.empty-state h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.empty-state p {
  font-size: 0.9rem;
}

.steps-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
}

.steps-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.step-number {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--gradient);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.step-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.step-text strong {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.step-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.email-copy {
  cursor: pointer;
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  display: inline-block;
}

.email-copy:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

.email-copy.copied {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.status-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

.status-card.warning {
  border-color: rgba(234, 179, 8, 0.3);
}

.status-icon {
  flex-shrink: 0;
  color: #eab308;
}

.status-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.status-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer {
  padding: 32px 0 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
}

.footer-support {
  display: flex;
  align-items: center;
  gap: 16px;
}

.support-label {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-link {
  color: var(--text-muted);
  transition: color 0.2s ease, transform 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-link:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
}

.divider {
  color: var(--border-color);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .data-table th:nth-child(2),
  .data-table td:nth-child(2) {
    display: none;
  }
}

@media (max-width: 480px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .header-content {
    padding: 12px 16px;
  }

  .brand-name {
    font-size: 1.2rem;
  }
}