:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --success: #10b981;
  --border: #334155;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Inter", sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Utils */
.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.text-right {
  text-align: right;
}
.btn-primary,
.btn-secondary,
.btn-sm {
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  border: none;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover {
  background: var(--primary-hover);
}
.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: #475569;
}
.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}
.danger {
  color: var(--danger);
}
button.danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}
button.danger:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* Layout */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 250px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.sidebar-header {
  padding: 1.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--primary);
}
.sidebar nav {
  flex: 1;
  padding: 1rem;
}
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0.375rem;
  margin-bottom: 0.25rem;
  transition: 0.2s;
}
.sidebar nav a:hover,
.sidebar nav a.active {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}
.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.avatar {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.logout-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
}
.logout-btn:hover {
  color: var(--danger);
}

.content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}
.content header {
  margin-bottom: 2rem;
}

/* Login */
.login-container {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top right, #1e293b, #0f172a);
}
.login-card {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 1rem;
  width: 100%;
  max-width: 400px;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--border);
}
.brand {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--primary);
}
.brand h1 {
  margin-top: 0.5rem;
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  color: white;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.checkbox-group input {
  width: auto;
}

/* Dashboard Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}
.stat-card {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}
.stat-card .label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.stat-card .value {
  font-size: 2rem;
  font-weight: 700;
}
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
}
.status-badge.success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

/* Card Grid (Pools) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-card);
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  overflow: hidden;
}
.card-header {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}
.backend-list {
  padding: 1rem;
}
.backend-item {
  display: flex;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-family: monospace;
  color: var(--text-secondary);
}
.backend-item:last-child {
  border-bottom: none;
}
.backend-item .host {
  color: var(--text-primary);
  margin-right: 0.25rem;
}

/* Table (Domains) */
.table-container {
  background: var(--bg-card);
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  overflow: hidden;
}
.search-input {
  width: 100%;
  padding: 1rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: white;
}
.search-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.02);
}
table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  padding: 0.75rem 1rem;
  text-align: left;
}
th {
  background: rgba(255, 255, 255, 0.03);
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
td {
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
tr:last-child td {
  border-bottom: none;
}
tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}
.domain-link {
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.domain-link:hover {
  color: var(--primary);
}
.badge {
  background: var(--bg-input);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 0.375rem;
}
.status-dot.green {
  background: var(--success);
}
.status-dot.gray {
  background: var(--text-secondary);
}

/* Modal */
.modal-overlay {
  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: 50;
}
.modal {
  background: var(--bg-card);
  width: 100%;
  max-width: 500px;
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  animation: modalSlide 0.2s ease-out;
}
@keyframes modalSlide {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
.modal h3 {
  margin-bottom: 1.5rem;
}
.backend-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.modal-actions {
  margin-top: 1.5rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.toast {
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  animation: slideIn 0.3s ease-out;
  min-width: 300px;
}
.toast.success {
  border-left: 4px solid var(--success);
}
.toast.error {
  border-left: 4px solid var(--danger);
}
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
.error-msg {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}
.alert {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.alert.warning {
  background: rgba(234, 179, 8, 0.2);
  color: #facc15;
  border: 1px solid rgba(234, 179, 8, 0.3);
}
.alert.info { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }