:root{font-family:Inter,Segoe UI,sans-serif;background-color:#f5f5f5;color:#111}body{margin:0;min-height:100vh;background-color:#f5f5f5}#root,.dashboard-layout{min-height:100vh}.dashboard-sider{background-color:#0d0d0d!important;color:#fff;display:flex;flex-direction:column;padding-bottom:0;position:relative;min-height:100vh}.app-sidebar{display:flex;flex-direction:column;height:100%}.app-sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 4px;margin-bottom:8px}.app-sidebar-header .dashboard-logo{padding:0}.app-sidebar--collapsed .dashboard-logo{text-align:center}.app-sidebar-toggle{color:#ffffffbf;border-radius:999px;padding:0 6px}.app-sidebar-toggle:hover,.app-sidebar-toggle:focus{color:#fff;background-color:#ffffff29}.dashboard-sider-scroll{flex:1;min-height:0;overflow-y:auto}.dashboard-logo{padding:24px;color:#fff;font-size:28px;font-weight:700;letter-spacing:2px}.dashboard-study-list{padding:16px}.dashboard-auth-button{padding:16px;border-top:1px solid rgba(255,255,255,.1);margin-top:auto;background-color:#0d0d0d}.dashboard-auth-button .ant-btn-ghost{border-color:#ffffff4d;color:#ffffffd9}.dashboard-auth-button .ant-btn-ghost:hover{border-color:#ffffff80;color:#fff;background-color:#ffffff1a}.dashboard-study-item{padding:12px;border-radius:8px;cursor:pointer;transition:background .2s ease}.dashboard-study-item:hover,.dashboard-study-item.active{background-color:#ffffff1a}.dashboard-study-name{color:#fff;font-weight:600;margin-bottom:4px}.dashboard-content{padding:32px;min-height:100vh;background-color:#f5f5f5}.dashboard-header{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px}.ant-table-thead>tr>th{position:relative}.ant-table-thead>tr>th .ant-table-column-title{display:flex;flex-direction:row;align-items:center;flex-wrap:nowrap}.ant-table-thead>tr>th .ant-table-column-title .ant-table-filter-trigger{order:-1;margin-right:8px;margin-left:0;flex-shrink:0}.ant-table-thead>tr>th .ant-table-column-title>span:not(.ant-table-filter-trigger){order:0}.responsive-table{font-size:14px}.responsive-table .ant-table-thead>tr>th{white-space:nowrap;font-size:clamp(11px,1.2vw,14px);padding:12px 8px}.responsive-table .ant-table-tbody>tr>td{font-size:clamp(11px,1.2vw,14px);padding:12px 8px;word-break:break-word;white-space:normal}.responsive-table .ant-table-tbody>tr>td .ant-btn{font-size:clamp(11px,1.2vw,14px);padding:4px 8px;white-space:nowrap}.responsive-table .ant-table-tbody>tr>td .ant-typography{font-size:clamp(11px,1.2vw,14px)}.responsive-table .ant-tag{font-size:clamp(10px,1.1vw,12px);padding:2px 8px;white-space:nowrap}@media (max-width: 768px){.responsive-table .ant-table-thead>tr>th{font-size:11px;padding:8px 4px}.responsive-table .ant-table-tbody>tr>td{font-size:11px;padding:8px 4px}.responsive-table .ant-table-tbody>tr>td .ant-btn{font-size:11px;padding:2px 4px}.responsive-table .ant-tag{font-size:10px;padding:1px 6px}}@media (max-width: 480px){.responsive-table .ant-table-thead>tr>th{font-size:10px;padding:6px 2px}.responsive-table .ant-table-tbody>tr>td{font-size:10px;padding:6px 2px}.responsive-table .ant-table-tbody>tr>td .ant-btn{font-size:10px;padding:1px 2px}.responsive-table .ant-tag{font-size:9px;padding:1px 4px}}@media (min-width: 1200px){.responsive-table .ant-table-thead>tr>th{font-size:14px}.responsive-table .ant-table-tbody>tr>td{font-size:14px}.responsive-table .ant-table-tbody>tr>td .ant-btn{font-size:14px}.responsive-table .ant-tag{font-size:12px}}.message-history-container{max-height:250px;overflow-y:auto;padding:4px}.message-item{margin-bottom:8px}.message-researcher{text-align:right}.message-respondent{text-align:left}@keyframes slideInFromRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInFromLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}.message-new.message-researcher{animation:slideInFromRight .6s ease-out!important;will-change:transform,opacity}.message-new.message-respondent{animation:slideInFromLeft .6s ease-out!important;will-change:transform,opacity}.message-new .ant-card{box-shadow:0 4px 12px #1890ff66!important;transition:box-shadow .3s ease-out,background-color 2s ease-out!important}.message-history-container::-webkit-scrollbar{width:6px}.message-history-container::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.message-history-container::-webkit-scrollbar-thumb{background:#888;border-radius:3px}.message-history-container::-webkit-scrollbar-thumb:hover{background:#555}