/* Tailwind CSS Base */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* CSS Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  border-color: #e5e7eb;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

body {
  margin: 0;
  line-height: inherit;
}

/* Utility Classes */
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-300 { background-color: #d1d5db; }
.bg-gray-500 { background-color: #6b7280; }
.bg-gray-600 { background-color: #4b5563; }
.bg-gray-700 { background-color: #374151; }
.bg-gray-900 { background-color: #111827; }
.bg-white { background-color: #ffffff; }

.bg-blue-600 { background-color: #2563eb; }
.bg-blue-700 { background-color: #1d4ed8; }
.bg-green-500 { background-color: #10b981; }
.bg-green-600 { background-color: #059669; }
.bg-green-700 { background-color: #047857; }
.bg-red-500 { background-color: #ef4444; }
.bg-red-600 { background-color: #dc2626; }
.bg-red-700 { background-color: #b91c1c; }
.bg-orange-600 { background-color: #ea580c; }
.bg-orange-700 { background-color: #c2410c; }
.bg-purple-600 { background-color: #9333ea; }
.bg-purple-700 { background-color: #7c3aed; }
.bg-indigo-600 { background-color: #4f46e5; }
.bg-indigo-700 { background-color: #4338ca; }

.bg-microchip-500 { background-color: #0ea5e9; }
.bg-microchip-600 { background-color: #0284c7; }

.text-white { color: #ffffff; }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }

.text-blue-400 { color: #60a5fa; }
.text-green-400 { color: #4ade80; }
.text-red-400 { color: #f87171; }
.text-yellow-400 { color: #facc15; }

.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-sans { font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif; }
.font-mono { font-family: ui-monospace, SFMono-Regular, "Menlo", "Monaco", "Cascadia Code", "Segoe UI Mono", "Roboto Mono", "Oxygen Mono", "Ubuntu Monospace", "Source Code Pro", "Fira Mono", "Droid Sans Mono", "Courier New", monospace; }

.italic { font-style: italic; }

/* Layout */
.min-h-screen { min-height: 100vh; }
.h-2 { height: 0.5rem; }
.h-64 { height: 16rem; }
.h-8 { height: 2rem; }
.w-2 { width: 0.5rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-8 { width: 2rem; }
.w-full { width: 100%; }

.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-md { max-width: 28rem; }

.mx-auto { margin-left: auto; margin-right: auto; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-6 { margin-bottom: 1.5rem; }
.ml-2 { margin-left: 0.5rem; }
.mt-1 { margin-top: 0.25rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

/* Flexbox */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }

.space-x-1 > :not([hidden]) ~ :not([hidden]) {
  --tw-space-x-reverse: 0;
  margin-right: calc(0.25rem * var(--tw-space-x-reverse));
  margin-left: calc(0.25rem * calc(1 - var(--tw-space-x-reverse)));
}
.space-x-2 > :not([hidden]) ~ :not([hidden]) {
  --tw-space-x-reverse: 0;
  margin-right: calc(0.5rem * var(--tw-space-x-reverse));
  margin-left: calc(0.5rem * calc(1 - var(--tw-space-x-reverse)));
}
.space-x-3 > :not([hidden]) ~ :not([hidden]) {
  --tw-space-x-reverse: 0;
  margin-right: calc(0.75rem * var(--tw-space-x-reverse));
  margin-left: calc(0.75rem * calc(1 - var(--tw-space-x-reverse)));
}
.space-y-2 > :not([hidden]) ~ :not([hidden]) {
  --tw-space-y-reverse: 0;
  margin-top: calc(0.5rem * calc(1 - var(--tw-space-y-reverse)));
  margin-bottom: calc(0.5rem * var(--tw-space-y-reverse));
}
.space-y-4 > :not([hidden]) ~ :not([hidden]) {
  --tw-space-y-reverse: 0;
  margin-top: calc(1rem * calc(1 - var(--tw-space-y-reverse)));
  margin-bottom: calc(1rem * var(--tw-space-y-reverse));
}

.gap-3 { gap: 0.75rem; }

/* Borders */
.border { border-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-t { border-top-width: 1px; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }

.rounded { border-radius: 0.25rem; }
.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-md { border-radius: 0.375rem; }

/* Shadows */
.shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }

/* Positioning */
.fixed { position: fixed; }
.relative { position: relative; }
.inset-0 { inset: 0px; }
.z-50 { z-index: 50; }

/* Overflow */
.overflow-y-auto { overflow-y: auto; }

/* Cursor */
.cursor-not-allowed { cursor: not-allowed; }

/* Opacity */
.opacity-50 { opacity: 0.5; }

/* Background gradients */
.bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}
.from-gray-50 {
  --tw-gradient-from: #f9fafb;
  --tw-gradient-to: rgb(249 250 251 / 0);
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to);
}
.to-gray-100 {
  --tw-gradient-to: #f3f4f6;
}

.bg-opacity-50 {
  --tw-bg-opacity: 0.5;
}

/* Transitions */
.transition-colors {
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.duration-300 {
  transition-duration: 300ms;
}

/* Hover states */
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:bg-gray-50:hover { background-color: #f9fafb; }
.hover\:bg-gray-700:hover { background-color: #374151; }
.hover\:bg-green-700:hover { background-color: #047857; }
.hover\:bg-indigo-700:hover { background-color: #4338ca; }
.hover\:bg-microchip-600:hover { background-color: #0284c7; }
.hover\:bg-orange-700:hover { background-color: #c2410c; }
.hover\:bg-purple-700:hover { background-color: #7c3aed; }
.hover\:bg-red-700:hover { background-color: #b91c1c; }
.hover\:text-gray-500:hover { color: #6b7280; }
.hover\:text-gray-700:hover { color: #374151; }

/* Disabled states */
.disabled\:bg-gray-300:disabled { background-color: #d1d5db; }
.disabled\:cursor-not-allowed:disabled { cursor: not-allowed; }

/* Text alignment */
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Animations */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Responsive */
@media (min-width: 640px) {
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
}

@media (min-width: 1024px) {
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}

/* Custom scrollbar */
.overflow-y-auto {
  scrollbar-width: thin;
  scrollbar-color: #9ca3af transparent;
}

.overflow-y-auto::-webkit-scrollbar {
  width: 8px;
}

.overflow-y-auto::-webkit-scrollbar-track {
  background: transparent;
}

.overflow-y-auto::-webkit-scrollbar-thumb {
  background-color: #9ca3af;
  border-radius: 4px;
}

.overflow-y-auto::-webkit-scrollbar-thumb:hover {
  background-color: #6b7280;
}

/* Focus styles for checkboxes */
input[type="checkbox"] {
  appearance: none;
  background-color: #fff;
  margin: 0;
  font: inherit;
  color: currentColor;
  width: 1rem;
  height: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.25rem;
  transform: translateY(-0.075em);
  display: grid;
  place-content: center;
}

input[type="checkbox"]:checked {
  background-color: #0ea5e9;
  border-color: #0ea5e9;
}

input[type="checkbox"]:checked::before {
  content: "✓";
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
}

input[type="checkbox"]:focus {
  outline: 2px solid #0ea5e9;
  outline-offset: 2px;
}

/* Feedback Button Styles */
.feedback-button-container {
  margin-top: 2rem;
  margin-bottom: 2rem;
  text-align: right;
}

.feedback-button {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border: 2px solid #fca5a5;
  color: #374151;
  background-color: white;
  font-weight: 500;
  border-radius: 0.5rem;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease-in-out;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
}

.feedback-button:hover {
  border-color: #9ca3af;
  color: #111827;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.feedback-button:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}