/* Base Styles */
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background-color: #f9fafb; color: #111827; margin: 0; padding: 1rem; }
* { box-sizing: border-box; }

/* Layout & Spacing */
.max-w-md { max-width: 28rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.pb-4 { padding-bottom: 1rem; }
.pt-2 { padding-top: 0.5rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }

/* Flex & Grid */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1 1 0%; }
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
.uppercase { text-transform: uppercase; }

/* Colors & Backgrounds */
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-indigo-50 { background-color: #eef2ff; }
.bg-indigo-100 { background-color: #e0e7ff; }
.bg-indigo-600 { background-color: #4f46e5; }
.text-white { color: #ffffff; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-indigo-700 { color: #4338ca; }

/* Interactive Colors (States) */
.bg-indigo-600:hover { background-color: #4338ca; }
.bg-indigo-100:hover { background-color: #c7d2fe; }
.hover\:bg-indigo-50:hover { background-color: #eef2ff; }
.hover\:border-indigo-400:hover { border-color: #818cf8; }

/* Borders & Shadows */
.border { border-width: 1px; border-style: solid; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.hidden { display: none; }
.rotate-180 { transform: rotate(180deg); }
.cursor-pointer { cursor: pointer; }
.transition-transform { transition: transform 0.2s ease; }

/* Custom Utilities */
.status-badge { padding: 0.25rem 0.5rem; border-radius: 0.25rem; font-size: 0.75rem; font-weight: 500; }
.w-full { width: 100%; }
.max-h-64 { max-height: 16rem; }
.overflow-y-auto { overflow-y: auto; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.transition-colors { transition-property: background-color, border-color, color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.group:hover .group-hover\:scale-110 { transform: scale(1.1); }

/* Input focus */
input:focus { border-color: #6366f1; box-shadow: 0 0 0 1px #6366f1; }

/* Status specific colors used in sidepanel.js */
.bg-green-500 { background-color: #10b981; }
.bg-blue-500 { background-color: #3b82f6; }
.bg-purple-500 { background-color: #8b5cf6; }
.bg-yellow-500 { background-color: #f59e0b; }
.bg-red-500 { background-color: #ef4444; }