.max-w-7xl { max-width: 80rem; }
.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.min-h-screen { min-height: 100vh; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.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-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }

.w-4 { width: 1rem; }
.h-4 { height: 1rem; }
.w-full { width: 100%; }

.flex { display: flex; }
.grid { display: grid; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-start { justify-content: flex-start; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-6 { gap: 1.5rem; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

.rounded-xl { border-radius: 0.75rem; }
.border { border-width: 1px; border-style: solid; }

.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-\[10px\] { font-size: 10px; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.uppercase { text-transform: uppercase; }
.outline-none { outline: 2px solid transparent; outline-offset: 2px; }

.bg-transparent { background-color: transparent; }
.bg-white { background-color: #ffffff; }
.bg-slate-100 { background-color: #f1f5f9; }
.bg-slate-300 { background-color: #cbd5e1; }
.bg-indigo-600 { background-color: #4f46e5; }

.text-white { color: #ffffff; }
.text-slate-500 { color: #64748b; }
.text-slate-600 { color: #475569; }
.text-slate-700 { color: #334155; }
.text-slate-800 { color: #1e293b; }
.text-slate-900 { color: #0f172a; }
.text-indigo-600 { color: #4f46e5; }
.text-indigo-700 { color: #4338ca; }

.border-slate-300 { border-color: #cbd5e1; }
.border-slate-400 { border-color: #94a3b8; }

.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;
}

.hover\:bg-indigo-700:hover { background-color: #4338ca; }
.hover\:text-indigo-600:hover { color: #4f46e5; }
.hover\:text-indigo-700:hover { color: #4338ca; }

.focus-within\:border-indigo-500:focus-within { border-color: #6366f1; }
.focus-within\:ring-2:focus-within {
    --tw-ring-offset-shadow: 0 0 0 0px #fff;
    --tw-ring-shadow: 0 0 0 2px var(--tw-ring-color, #c7d2fe);
    box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow);
}
.focus-within\:ring-indigo-200:focus-within { --tw-ring-color: #c7d2fe; }

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}