:root {
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --text-main: #1f2937;
  --text-secondary: #4b5563;
  --success-bg: rgba(209, 250, 229, 0.8);
  --success-text: #065f46;
  --error-bg: rgba(254, 226, 226, 0.8);
  --error-text: #991b1b;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #f3f4f6; /* Fallback */
}

.site-health-tools-wrapper {
  min-height: 100vh;
  padding: 40px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-attachment: fixed;
}

.site-health-tools-react-app {
  max-width: 1200px;
  margin: 0 auto;
}

.tools-header {
  margin-bottom: 50px;
  text-align: center;
  color: white;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tools-header h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 15px;
  letter-spacing: -0.025em;
  color: white;
}

.tools-header p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 25px;
}

.tool-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.25);
  background: rgba(255, 255, 255, 0.85);
}

.tool-card.active {
  grid-column: 1 / -1;
  background: rgba(255, 255, 255, 0.95);
  transform: scale(1.01);
  z-index: 10;
}

/* WordPress Component Overrides within Card */
.tool-card .components-card__header {
  padding: 20px 25px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tool-card h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-card .components-card__body {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.tool-content {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.components-button.is-primary {
  background-color: var(--primary-color);
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

.components-button.is-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 8px -1px rgba(79, 70, 229, 0.4);
}

.components-button.is-secondary {
  border-radius: 8px;
  color: var(--text-secondary);
  border: 1px solid #d1d5db;
}

/* Tool Outputs */
.tool-output {
  background: #f8fafc;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: #334155;
  white-space: pre-wrap;
  max-height: 500px;
  overflow-y: auto;
  margin-top: 20px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.tool-error {
  background: var(--error-bg);
  color: var(--error-text);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid rgba(239, 68, 68, 0.2);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-success {
  background: var(--success-bg);
  color: var(--success-text);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  margin-bottom: 20px;
}

/* Tables */
table.widefat {
  border: none;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

table.widefat thead th {
  background: #f1f5f9;
  color: var(--text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 15px;
}

table.widefat tbody td {
  padding: 15px;
  color: var(--text-main);
  border-bottom: 1px solid #f1f5f9;
}

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}