body {
    -webkit-font-smoothing: antialiased;
    background-color: #f9fafb;
    color: #111827;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
}

.animate-in {
    animation: fadeIn 0.4s ease-out;
}

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

.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.p-6 { padding: 1.5rem; }
.p-4 { padding: 1rem; }
.p-3 { padding: 0.75rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.pb-20 { padding-bottom: 5rem; }
.min-h-screen { min-height: 100vh; }
.text-center { text-align: center; }

.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-10px { font-size: 10px; }
.font-black { font-weight: 900; }
.font-bold { font-weight: 700; }
.font-mono { font-family: monospace; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-700 { color: #374151; }
.text-indigo-500 { color: #6366f1; }
.text-indigo-600 { color: #4f46e5; }
.text-red-500 { color: #ef4444; }
.text-green-500 { color: #22c55e; }
.uppercase { text-transform: uppercase; }
.tracking-widest { letter-spacing: 0.1em; }
.tracking-wider { letter-spacing: 0.05em; }

.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-black { background-color: #000000; }
.bg-black-70 { background-color: rgba(0, 0, 0, 0.7); }
.text-white { color: #ffffff; }

.rounded-3xl { border-radius: 1.5rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-xl { border-radius: 0.75rem; }

.border { border: 1px solid #e5e7eb; }
.border-2 { border: 2px solid #e5e7eb; }
.border-b { border-bottom: 1px solid #e5e7eb; }
.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-solid { border-style: solid; }

.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 1rem; }
.gap-3 { gap: 0.75rem; }
.gap-2 { gap: 0.5rem; }
.gap-1 { gap: 0.25rem; }
.flex-1 { flex: 1 1 0%; }
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }

.h-64 { height: 16rem; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }
.w-full { width: 100%; }
.max-w-lg { max-width: 32rem; }
.max-h-80vh { max-height: 80vh; }
.object-cover { object-fit: cover; }
.cursor-pointer { cursor: pointer; }
.hidden { display: none; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.break-all { word-break: break-all; }
.overflow-y-auto { overflow-y: auto; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-50 { z-index: 50; }

.transition-colors { transition: background-color 0.2s; }
.hover-bg-gray-50:hover { background-color: #f9fafb; }

button {
    border: none;
    background: none;
    cursor: pointer;
}

pre { margin: 0; }