/* Palindrome Checker Styles */
.statmat-tool.palindrome-checker {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 600px;
  margin: 0 auto;
  color: #1f2937;
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.statmat-tool.palindrome-checker * {
  box-sizing: border-box;
}

.statmat-tool.palindrome-checker .pal-header {
  text-align: center;
  padding: 32px 24px;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  color: #fff;
}

.statmat-tool.palindrome-checker .pal-icon {
  font-size: 36px;
  margin-bottom: 8px;
  display: inline-block;
  animation: spin 8s linear infinite;
}

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

.statmat-tool.palindrome-checker .pal-header h2 {
  margin: 0 0 8px 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.statmat-tool.palindrome-checker .pal-header p {
  margin: 0;
  font-size: 16px;
  opacity: 0.9;
}

.statmat-tool.palindrome-checker .pal-container {
  padding: 32px;
}

.statmat-tool.palindrome-checker label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: #374151;
  font-size: 15px;
}

.statmat-tool.palindrome-checker textarea {
  width: 100%;
  padding: 16px;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  font-size: 16px;
  font-family: inherit;
  resize: vertical;
  background-color: #f9fafb;
  transition: all 0.2s;
}

.statmat-tool.palindrome-checker textarea:focus {
  outline: none;
  border-color: #4f46e5;
  background-color: #fff;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.statmat-tool.palindrome-checker .options-bar {
  margin: 16px 0 24px 0;
  padding: 12px 16px;
  background-color: #f3f4f6;
  border-radius: 8px;
}

.statmat-tool.palindrome-checker .toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  margin: 0;
  cursor: pointer;
  color: #4b5563;
  font-size: 14px;
}

.statmat-tool.palindrome-checker input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: #4f46e5;
}

.statmat-tool.palindrome-checker .btn {
  display: block;
  width: 100%;
  padding: 16px;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.statmat-tool.palindrome-checker .btn-primary {
  background-color: #4f46e5;
  color: white;
  box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

.statmat-tool.palindrome-checker .btn-primary:hover {
  background-color: #4338ca;
  transform: translateY(-1px);
}

.statmat-tool.palindrome-checker .btn-primary:active {
  transform: translateY(0);
}

.statmat-tool.palindrome-checker .result-section {
  margin-top: 32px;
  border-top: 1px solid #e5e7eb;
  padding-top: 32px;
}

.statmat-tool.palindrome-checker .result-box {
  text-align: center;
  padding: 32px 24px;
  border-radius: 16px;
  margin-bottom: 24px;
  border: 2px solid transparent;
}

.statmat-tool.palindrome-checker .result-box.success {
  background-color: #ecfdf5;
  border-color: #a7f3d0;
}

.statmat-tool.palindrome-checker .result-box.success h3 {
  color: #059669;
}

.statmat-tool.palindrome-checker .result-box.fail {
  background-color: #fef2f2;
  border-color: #fecaca;
}

.statmat-tool.palindrome-checker .result-box.fail h3 {
  color: #dc2626;
}

.statmat-tool.palindrome-checker .result-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.statmat-tool.palindrome-checker .result-box h3 {
  margin: 0 0 12px 0;
  font-size: 24px;
}

.statmat-tool.palindrome-checker .result-box p {
  margin: 0;
  color: #4b5563;
  font-size: 16px;
  line-height: 1.5;
}

.statmat-tool.palindrome-checker .breakdown-pane {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 24px;
}

.statmat-tool.palindrome-checker .breakdown-pane h4 {
  margin: 0 0 16px 0;
  color: #374151;
  font-size: 16px;
  text-align: center;
}

.statmat-tool.palindrome-checker .breakdown-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.statmat-tool.palindrome-checker .breakdown-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #fff;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  overflow: hidden;
}

.statmat-tool.palindrome-checker .col-title {
  font-size: 12px;
  text-transform: uppercase;
  color: #6b7280;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.statmat-tool.palindrome-checker .col-text {
  font-size: 18px;
  font-family: monospace;
  color: #111827;
  word-break: break-all;
  text-align: center;
}

.statmat-tool.palindrome-checker .breakdown-divider {
  font-size: 24px;
  font-weight: bold;
  color: #9ca3af;
}

@media (max-width: 480px) {
  .statmat-tool.palindrome-checker .breakdown-grid {
    flex-direction: column;
  }
  .statmat-tool.palindrome-checker .breakdown-divider {
    transform: rotate(90deg);
  }
}

/* Global override for mobile scrolling on long results */
.statmat-tool [class*="result"], 
.statmat-tool [class*="output"],
.statmat-tool [class*="preview"],
.statmat-tool [class*="display"] {
  overflow-x: auto;
  max-width: 100%;
}

/* Global safeguard: ensure main wrapper never exceeds mobile viewport */
.statmat-tool {
  width: 100% !important;
  box-sizing: border-box;
}