*,
*::before,
*::after {
  box-sizing: border-box;
}

.hidden { display: none; }
.block { display: block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-4 { padding-top: 1rem; }
.pb-2 { padding-bottom: 0.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.rounded { border-radius: 0.5rem; }
.rounded-lg { border-radius: 0.75rem; }
.rounded-xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }
.shadow { box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12); }
.shadow-md { box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16); }
.shadow-lg { box-shadow: 0 18px 42px rgba(15, 23, 42, 0.2); }
.border { border: 1px solid var(--border); }
.border-2 { border-width: 2px; border-style: solid; border-color: var(--border); }
.border-dashed { border-style: dashed; }
.w-full { width: 100%; }
.w-72 { width: 18rem; }
.w-80 { width: 20rem; }
.w-96 { width: 24rem; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.min-h-screen { min-height: 100vh; }
.max-h-80 { max-height: 20rem; }
.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.cursor-pointer { cursor: pointer; }
.transition { transition: all 0.2s ease-in-out; }
.duration-200 { transition-duration: 0.2s; }
.opacity-70 { opacity: 0.7; }

.bg-surface { background-color: var(--surface); }
.bg-surface-2 { background-color: var(--surface-2); }
.bg-accent { background-color: var(--accent); }
.bg-accent-2 { background-color: var(--accent-2); }
.bg-danger { background-color: var(--danger); }
.bg-success { background-color: var(--success); }
.text-primary { color: var(--text); }
.text-muted { color: var(--muted); }
.text-accent { color: var(--accent); }
.text-white { color: #ffffff; }
.text-danger { color: var(--danger); }
.border-accent { border-color: var(--accent); }

.hover-bg-surface:hover { background-color: var(--surface-2); }
.hover-bg-accent:hover { background-color: var(--accent-2); }
.hover-text-accent:hover { color: var(--accent); }

@media (min-width: 768px) {
  .md-flex { display: flex; }
  .md-grid { display: grid; }
  .md-block { display: block; }
  .md-hidden { display: none; }
  .md-flex-row { flex-direction: row; }
  .md-flex-col { flex-direction: column; }
  .md-w-80 { width: 20rem; }
  .md-w-96 { width: 24rem; }
  .md-h-screen { height: 100vh; }
}