:root {
  --bg: #f5f7fb;
  --sidebar: #1b1f2a;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --warning: #f59e0b;
  --danger: #ef4444;
  --success: #10b981;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--sidebar);
  color: #fff;
  padding: 24px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.nav a {
  display: block;
  color: #cbd5f5;
  text-decoration: none;
  padding: 10px 0;
}

.nav a:hover {
  color: #fff;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}

.navbar-title {
  font-size: 18px;
  font-weight: 600;
}

.navbar-user {
  display: flex;
  gap: 12px;
  align-items: center;
}

.main {
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.server-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0;
  border-bottom: 1px solid #e5e7eb;
}

.server-row:last-child {
  border-bottom: none;
}

.card {
  background: var(--card);
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.status {
  font-weight: 700;
}

.status.active {
  color: var(--success);
}

.status.inactive {
  color: var(--danger);
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.btn {
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

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

.btn-secondary {
  background: #e5e7eb;
  color: #111827;
}

.btn-warning {
  background: var(--warning);
  color: #111827;
}

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

.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.flash.error {
  background: #fee2e2;
  color: #991b1b;
}

.flash.success {
  background: #dcfce7;
  color: #166534;
}

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

.logs {
  background: #0f172a;
  color: #e2e8f0;
  padding: 12px;
  border-radius: 8px;
  overflow: auto;
  max-height: 500px;
}

.form-inline {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.table {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.table-row {
  display: grid;
  grid-template-columns: 1.2fr 2fr 0.8fr;
  gap: 12px;
  padding: 12px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
}

.table-row input[type="text"],
.table-row input[type="number"] {
  width: 100%;
  margin: 4px 0;
  padding: 6px;
}

.table-row form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.login-card {
  max-width: 360px;
  margin: 80px auto;
  background: #fff;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

.login-card label {
  display: block;
  margin: 12px 0;
}

.login-card input {
  width: 100%;
  padding: 8px;
  margin-top: 6px;
}

.auth {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .table-row {
    grid-template-columns: 1fr;
  }
}