*{margin:0;padding:0;box-sizing:border-box}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#333;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--admin-text-color: #1f2937;--admin-text-secondary: #6b7280;--admin-border-color: #e5e7eb;--admin-fill-color: #f3f4f6;--admin-radius: 8px;--admin-shadow: 0 1px 3px rgba(15, 23, 42, .06)}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}a{font-weight:500;color:#667eea;text-decoration:none}a:hover{color:#764ba2}button{font-family:inherit}input,select,textarea{font:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.login-container{display:flex;min-height:100vh;align-items:center;justify-content:center;flex-direction:column;padding:24px;background:linear-gradient(135deg,#2d3561,#1f2347)}.login-container .login-box{width:100%;max-width:420px;border-radius:12px;box-shadow:0 20px 60px #0f172a47}.login-container .login-box .ant-card-body{padding:36px}.login-container .login-header{margin-bottom:28px;text-align:center}.login-container .login-header h1{margin:0 0 8px;color:var(--admin-text-color);font-size:28px;font-weight:700}.login-container .login-header p{margin:0;color:var(--admin-text-secondary);font-size:14px}.login-container .login-form .ant-alert{margin-bottom:20px}.login-container .login-footer{margin-top:24px;text-align:center}.login-container .login-footer p{margin:0;color:#ffffffc2;font-size:13px}@media(max-width:480px){.login-container .login-box .ant-card-body{padding:28px 22px}}.main-layout{display:flex;min-height:100vh;background:#f5f7fa}.sidebar{width:240px;min-width:240px;max-width:240px;background:linear-gradient(180deg,#2d3561,#1f2347);color:#fff;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;overflow-y:auto;overflow-x:hidden;z-index:1000;scrollbar-gutter:stable;box-shadow:2px 0 12px #00000026}.sidebar.collapsed{width:64px;min-width:64px;max-width:64px;overflow-x:hidden;overflow-y:auto}.sidebar.collapsed .sidebar-header{justify-content:center;position:relative;flex-direction:column;height:auto;padding:16px 0;gap:8px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar.collapsed .logo{text-align:center;font-size:24px;flex:none;background:none;-webkit-text-fill-color:white;cursor:default}.sidebar.collapsed .collapse-btn{position:relative;right:auto;top:auto;transform:none;width:48px;height:24px;opacity:.6;font-size:12px}.sidebar.collapsed .collapse-btn:hover{opacity:1;transform:scale(1.05)}.sidebar.collapsed .sidebar-menu{padding:8px;overflow-x:hidden}.sidebar.collapsed .menu-item{padding:11px 0;margin:0 4px 6px;justify-content:center;position:relative;overflow:visible;max-width:100%}.sidebar.collapsed .menu-icon{margin-right:0;font-size:22px}.sidebar.collapsed .menu-item:hover{transform:translate(0);background:#ffffff1f}.sidebar.collapsed .menu-item.active{background:linear-gradient(135deg,#667eea,#764ba2)}.sidebar.collapsed .menu-item.active:before{display:none}.sidebar.collapsed .menu-item:after{content:attr(title);position:absolute;left:72px;top:50%;transform:translateY(-50%);background:#000000e6;color:#fff;padding:8px 12px;border-radius:6px;font-size:13px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s ease,left .2s ease;z-index:10000;box-shadow:0 4px 12px #0000004d}.sidebar.collapsed .menu-item:hover:after{opacity:1;left:76px}.sidebar-header{height:64px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.08);background:#ffffff08;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.logo{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;flex:1;letter-spacing:.3px;background:linear-gradient(135deg,#fff,#e0e7ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:all .3s ease}.sidebar:not(.collapsed) .logo:hover{letter-spacing:.5px;transform:scale(1.02);cursor:pointer}.collapse-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.1);color:#fff;width:32px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:14px;flex-shrink:0}.collapse-btn:hover{background:#ffffff26;border-color:#ffffff40;transform:scale(1.08);box-shadow:0 2px 8px #0003}.collapse-btn:active{transform:scale(.95)}.sidebar-menu{flex:1;padding:16px 8px;overflow-y:auto;overflow-x:hidden}.menu-item-wrapper{margin-bottom:2px}.menu-item{display:flex;width:calc(100% - 8px);align-items:center;padding:11px 14px;margin:0 4px;border:0;background:transparent;appearance:none;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);color:#ffffffbf;position:relative;border-radius:8px;font-size:14px;font-family:inherit;text-align:left}.menu-item:hover{background:#ffffff14;color:#fff;transform:translate(2px)}.menu-item.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.menu-item.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);height:60%;width:3px;background:#fff;border-radius:0 3px 3px 0}.menu-parent{font-weight:600;font-size:13.5px}.menu-icon{font-size:18px;margin-right:11px;min-width:22px;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 1px 2px rgba(0,0,0,.2))}.menu-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500;letter-spacing:.2px}.menu-arrow{font-size:10px;opacity:.6;margin-left:auto;padding-left:8px;min-width:14px;display:inline-flex;align-items:center;justify-content:center;transition:all .25s cubic-bezier(.4,0,.2,1)}.menu-arrow .anticon{font-size:10px}.submenu{background:#00000026;padding:6px 0;margin:4px 4px 4px 8px;border-radius:8px;border-left:2px solid rgba(255,255,255,.1);animation:slideDown .3s cubic-bezier(.4,0,.2,1)}@keyframes slideDown{0%{opacity:0;max-height:0;transform:translateY(-8px)}to{opacity:1;max-height:500px;transform:translateY(0)}}.submenu-item{width:calc(100% - 12px);padding:9px 16px 9px 44px;font-size:13.5px;margin:2px 6px;border-radius:6px;position:relative}.submenu-item:before{content:"";position:absolute;left:24px;top:50%;transform:translateY(-50%);width:4px;height:4px;background:#fff6;border-radius:50%;transition:all .25s ease}.submenu-item:hover:before{background:#fff;transform:translateY(-50%) scale(1.3)}.submenu-item.active:before{background:#fff;width:6px;height:6px}.main-content{flex:1;margin-left:240px;transition:margin-left .3s ease;display:flex;flex-direction:column;min-width:0;width:calc(100% - 240px)}.sidebar.collapsed~.main-content{margin-left:64px;width:calc(100% - 64px)}.top-navbar{background:#fff;box-shadow:0 2px 8px #00000014;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;width:100%;box-sizing:border-box}.navbar-left{display:flex;align-items:center;gap:12px}.mobile-menu-btn,.mobile-sidebar-mask{display:none}.page-title{margin:0;font-size:18px;color:#333;font-weight:600}.navbar-right{display:flex;align-items:center;gap:20px}.user-info{display:flex;align-items:center;gap:12px;padding:8px 16px;background:#f5f7fa;border-radius:20px}.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.user-name{font-size:14px;color:#333;font-weight:500}.logout-btn{background:transparent;border:1px solid #e0e0e0;border-radius:6px;padding:8px 16px;font-size:14px;color:#666;cursor:pointer;transition:all .3s ease;height:40px}.logout-btn:hover{background:#f5f5f5;border-color:#667eea;color:#667eea}.content-area{flex:1;padding:24px;overflow-y:auto;width:100%;box-sizing:border-box}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.mobile-open{transform:translate(0);width:min(280px,84vw);min-width:min(280px,84vw);max-width:min(280px,84vw)}.sidebar.mobile-open.collapsed{width:64px;min-width:64px;max-width:64px}.main-content{margin-left:0;width:100%}.top-navbar{padding:0 16px}.mobile-menu-btn{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border:1px solid #e5e7eb;border-radius:8px;background:#fff;color:#374151;cursor:pointer}.mobile-sidebar-mask{display:block;position:fixed;inset:0;z-index:999;border:0;background:#0f172a6b;appearance:none}.user-name{display:none}.content-area{padding:16px}}.sidebar::-webkit-scrollbar{width:6px}.sidebar::-webkit-scrollbar-track{background:#0000001a;border-radius:3px;margin:4px 0}.sidebar::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px;transition:background .3s ease}.sidebar::-webkit-scrollbar-thumb:hover{background:#ffffff59}.sidebar-menu::-webkit-scrollbar{width:6px}.sidebar-menu::-webkit-scrollbar-track{background:transparent}.sidebar-menu::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}.sidebar-menu::-webkit-scrollbar-thumb:hover{background:#ffffff40}.admin-page{display:flex;min-width:0;flex-direction:column;gap:20px}.admin-page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding-bottom:18px;border-bottom:1px solid var(--admin-border-color)}.admin-page-header__copy{min-width:0}.admin-page-header__copy h1{margin:0;color:var(--admin-text-color);font-size:24px;font-weight:700;line-height:1.35}.admin-page-header__copy p{margin:6px 0 0;color:var(--admin-text-secondary);font-size:14px;line-height:1.6}.admin-page-header__actions{display:flex;flex:none;align-items:center;gap:10px}.admin-filter-bar{display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border:1px solid var(--admin-border-color);border-radius:var(--admin-radius);background:#fff;box-shadow:var(--admin-shadow)}.admin-filter-bar__controls,.admin-filter-bar__extra{display:flex;min-width:0;align-items:center;gap:12px}.admin-filter-bar__controls{flex:1;flex-wrap:wrap}.admin-filter-bar__extra{flex:none}.admin-content-card{min-width:0;overflow:hidden;border:1px solid var(--admin-border-color);border-radius:var(--admin-radius);background:#fff;box-shadow:var(--admin-shadow)}.admin-content-card__header{display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:20px;padding:16px 20px;border-bottom:1px solid var(--admin-border-color)}.admin-content-card__header h2{margin:0;color:var(--admin-text-color);font-size:16px;font-weight:600;line-height:1.4}.admin-content-card__header p{margin:5px 0 0;color:var(--admin-text-secondary);font-size:13px}.admin-content-card__extra{display:flex;flex:none;align-items:center}.admin-content-card__body{padding:20px}.admin-content-card__body--flush{padding:0}.admin-content-card__body--flush>.ant-table-wrapper{width:100%}.admin-content-card .ant-table-wrapper .ant-table{border-radius:0}.admin-content-card .ant-table-wrapper .ant-table-thead>tr>th{background:#fafafa;color:var(--admin-text-color);font-weight:600}.admin-content-card .ant-table-wrapper .ant-table-pagination{margin-right:20px;margin-left:20px}.admin-count{display:inline-flex;min-height:32px;align-items:center;padding:0 13px;border-radius:6px;background:var(--admin-fill-color);color:var(--admin-text-secondary);font-size:14px;white-space:nowrap}.admin-inline-actions{display:flex;align-items:center;gap:8px}.admin-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.admin-form-grid__full{grid-column:1 / -1}@media(max-width:768px){.admin-page{gap:16px}.admin-page-header{flex-direction:column;gap:14px}.admin-page-header__actions{width:100%;flex-wrap:wrap}.admin-filter-bar{align-items:stretch;flex-direction:column;padding:14px 16px}.admin-filter-bar__controls,.admin-filter-bar__extra{width:100%}.admin-filter-bar__extra{justify-content:flex-end}.admin-form-grid{grid-template-columns:1fr}}.dashboard-new{width:100%;max-width:1400px;margin:0 auto}.dashboard-stat-card{height:100%}.dashboard-stat-card .ant-card-body{display:flex;align-items:center;gap:18px}.dashboard-stat-card__icon{display:flex;width:48px;height:48px;flex:none;align-items:center;justify-content:center;border-radius:8px;background:#f5f7fa;font-size:24px}.dashboard-actions{display:flex;flex-wrap:wrap;gap:12px}.dashboard-loading{display:flex;min-height:420px;align-items:center;justify-content:center}.user-management .review-user-cell{display:flex;align-items:center;gap:10px}.user-management .review-user-cell span{color:var(--admin-text-secondary);font-size:12px}.user-management .review-drawer-actions{display:flex;justify-content:flex-end;gap:8px}.user-management .review-reason-error{color:#d54941;margin-top:8px}.order-detail .detail-descriptions{margin-bottom:24px}.order-detail .detail-descriptions:last-child{margin-bottom:0}.school-management{min-width:0}.school-group-row{cursor:pointer}.school-group-row>td{background:#fafcff!important;font-weight:600}.school-group-name{display:inline-flex;align-items:center;gap:8px;color:var(--admin-text-color)}.school-form-alert{margin-bottom:18px}.banner-management{min-width:0}.banner-image-button{display:inline-flex;padding:0;overflow:hidden;border:1px solid var(--admin-border-color);border-radius:8px;background:transparent;cursor:pointer}.banner-image-button img{display:block;width:112px;height:64px;object-fit:cover}.banner-image-button:focus-visible{outline:3px solid rgba(22,119,255,.25);outline-offset:2px}.banner-form-alert{margin-bottom:18px}.banner-form-hint{display:block;margin-top:6px;color:var(--admin-text-secondary);font-size:12px}.banner-upload-ready{color:#047857}.banner-form-preview{width:min(100%,480px)!important;aspect-ratio:351 / 110;border-radius:8px;object-fit:cover}.banner-crop-description{margin:0 0 14px;color:var(--admin-text-secondary)}.banner-crop-stage{position:relative;width:100%;aspect-ratio:16 / 8;overflow:hidden;border-radius:10px;background:#111827}@media(max-width:640px){.banner-crop-stage{aspect-ratio:4 / 3}}.system-config-management{min-width:0}.system-config-management .config-list{display:grid;gap:16px}.system-config-management .config-card-title{display:flex;flex-direction:column;gap:4px}.system-config-management .config-card-title small{color:var(--admin-text-secondary);font-size:13px;font-weight:400}.system-config-management .config-row{display:grid;grid-template-columns:minmax(150px,.7fr) minmax(260px,1.5fr) auto;align-items:start;gap:20px}.system-config-management .config-current,.system-config-management .config-editor{display:flex;min-width:0;flex-direction:column;gap:6px}.system-config-management .field-label{color:var(--admin-text-secondary);font-size:13px}.system-config-management .field-value{color:var(--admin-text-color);font-size:20px;font-weight:700}.system-config-management .field-error,.system-config-management .field-success{margin:0;font-size:12px}.system-config-management .field-error{color:#dc2626}.system-config-management .field-success{color:#047857}.system-config-management .config-actions{display:flex;align-items:flex-end;gap:8px;padding-top:25px}.system-config-management .config-loading{align-self:center}.system-config-confirm-text{margin:0 0 18px;color:var(--admin-text-color);line-height:1.7}@media(max-width:900px){.system-config-management .config-row{grid-template-columns:1fr}.system-config-management .config-actions{padding-top:0}}.second-hand-management{min-width:0}.second-hand-management .stat-row{margin-bottom:18px}.second-hand-management .stat-row .ant-card{border-radius:8px}.second-hand-management .second-hand-tabs-card>.admin-content-card__body{padding:0 20px 20px}.second-hand-management .management-tabs>.ant-tabs-nav{margin-bottom:20px}.second-hand-management .admin-filter-bar{margin-bottom:16px;box-shadow:none}.second-hand-management .filter-select,.second-hand-management .admin-filter-bar .ant-input-affix-wrapper{min-width:150px}.second-hand-management .second-hand-actions-bar .admin-filter-bar__controls{justify-content:flex-end}.second-hand-management .ant-table-wrapper{overflow:hidden}.second-hand-management .ant-table-cell{vertical-align:middle}.second-hand-category-icon-thumbnail{width:44px;height:44px;object-fit:cover;border:1px solid #e5e7eb;border-radius:8px}.second-hand-category-upload-trigger{display:flex;min-height:72px;align-items:center;justify-content:center;color:#1677ff}.second-hand-category-icon-preview{display:block;max-width:100%;max-height:60vh;margin:0 auto;object-fit:contain;border-radius:8px}.second-hand-detail-stack{width:100%}.second-hand-image-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.second-hand-image-list img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;border:1px solid #e5e7eb}.second-hand-drawer-loading{padding:48px 0;text-align:center;color:#6b7280}@media(max-width:768px){.second-hand-management .second-hand-tabs-card>.admin-content-card__body{padding:0 12px 12px}}