:root {
  --bg-primary: #0b0d13;
  --bg-secondary: #141722;
  --bg-card: rgba(23, 27, 40, 0.75);
  --border-color: rgba(255, 122, 0, 0.2);
  --border-hover: rgba(255, 122, 0, 0.5);
  --accent-phoenix: #ff7a00;
  --accent-gold: #ffb800;
  --accent-gradient: linear-gradient(135deg, #ff7a00 0%, #ff3b00 100%);
  --text-primary: #f0f3fa;
  --text-secondary: #9aa4bf;
  --text-muted: #626c85;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(255, 122, 0, 0.4);
}

.brand-text span {
  color: var(--accent-gold);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background: rgba(255, 122, 0, 0.15);
}

.container {
  max-width: 1200px;
  margin: 32px auto;
  padding: 0 20px;
  width: 100%;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  backdrop-filter: blur(10px);
  margin-bottom: 24px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-gold);
}

.auth-box {
  max-width: 480px;
  margin: 40px auto;
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.tab-btn {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn.active {
  color: var(--accent-phoenix);
  border-bottom-color: var(--accent-phoenix);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: rgba(11, 13, 19, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-phoenix);
  box-shadow: 0 0 10px rgba(255, 122, 0, 0.3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 122, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.5);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-gold);
  margin-top: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.key-display {
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed var(--accent-phoenix);
  padding: 16px;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 16px 0;
}

.key-code {
  font-family: monospace;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #10b981;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 13px;
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

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

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  max-width: 500px;
  width: 90%;
  padding: 24px;
}