@media(max-width:640px){.app-header{padding:0 16px!important}.app-main{padding:16px!important}.nav-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav-tabs::-webkit-scrollbar{display:none}.tab-btn{flex-shrink:0;padding:12px 16px!important}.request-form-grid{grid-template-columns:1fr!important}.approval-card-header{flex-direction:column!important;align-items:flex-start!important;gap:10px!important}.approval-detail-grid{grid-template-columns:1fr!important}.request-row-actions{flex-direction:column!important;align-items:flex-start!important;gap:8px!important}.audit-header{flex-direction:column!important;align-items:flex-start!important;gap:10px!important}.audit-header select{width:100%!important}.audit-entry-row{flex-direction:column!important;align-items:flex-start!important;gap:4px!important}.empty-state{padding:24px!important}.btn{padding:8px 14px!important}.confirm-actions{flex-direction:column!important;gap:8px!important}.confirm-actions .btn{width:100%!important}.agenda-subscribe,.agenda-holiday-mgmt{padding:16px!important}.agenda-subscribe .feed-url-row{flex-direction:column!important;gap:8px!important}.agenda-subscribe .feed-url-row input,.agenda-subscribe .feed-url-row button{width:100%!important}}