.ant-message{position:fixed;top:20px;left:50%;z-index:1200;display:flex;flex-direction:column;gap:10px;transform:translate(-50%);pointer-events:none}.ant-message-notice{display:flex;justify-content:center}.ant-message-notice-content{display:inline-flex;max-width:min(520px,calc(100vw - 32px));align-items:center;gap:12px;min-width:220px;padding:12px 16px;border:1px solid color-mix(in srgb,var(--qt-border-soft) 78%,transparent);border-radius:18px;background:color-mix(in srgb,var(--qt-shell-elevated) 82%,transparent);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);box-shadow:0 10px 30px #0f172a1f;color:var(--qt-text);pointer-events:auto}.ant-message-notice-icon{display:inline-flex;flex:none;align-items:center;justify-content:center;width:18px;height:18px;color:var(--qt-primary)}.ant-message-notice-icon .anticon,.ant-message-notice-icon svg{width:18px;height:18px}.ant-message-notice-text{min-width:0;font-size:14px;line-height:1.35;font-weight:500;letter-spacing:-.01em;color:inherit;word-break:break-word}.ant-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border:1px solid transparent;border-radius:999px;background:var(--qt-shell-elevated);color:var(--qt-text);font-size:14px;line-height:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:background-color .2s ease,border-color .2s ease,color .2s ease;cursor:pointer}.ant-btn[disabled]{cursor:not-allowed;opacity:.6}.ant-btn-block{width:100%}.ant-btn .ant-btn-icon{display:inline-flex}.ant-btn-primary{background:var(--qt-primary);color:#fff}.ant-btn-primary:hover:not([disabled]){background:color-mix(in srgb,var(--qt-primary) 88%,#ffffff)}.ant-btn-default,.ant-btn-dashed{border-color:var(--qt-border-soft);background:var(--qt-shell-elevated);color:var(--qt-text)}.ant-btn-default:hover:not([disabled]),.ant-btn-dashed:hover:not([disabled]){border-color:var(--qt-primary)}.ant-btn-link,.ant-btn-text{height:auto;padding:0;border:none;background:transparent}.ant-btn-link:hover:not([disabled]){color:var(--qt-primary)}.ant-btn:focus-visible{outline:none;box-shadow:var(--qt-focus-ring)}.ant-space{display:inline-flex}.ant-space-vertical{flex-direction:column;align-items:stretch!important}.ant-empty{padding:32px 20px;text-align:center;color:var(--qt-text-secondary)}.ant-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--qt-border-soft);border-radius:999px;background:var(--qt-shell-muted)}.ant-progress{display:flex;align-items:center;gap:10px}.ant-progress-outer{flex:1}.ant-progress-inner{overflow:hidden;height:8px;border-radius:999px;background:var(--qt-shell-muted)}.ant-progress-small .ant-progress-inner{height:6px}.ant-progress-bg{height:100%;border-radius:inherit;background:var(--qt-primary)}.ant-progress-status-success{background:var(--qt-primary)}.ant-progress-status-exception{background:var(--qt-danger)}.ant-avatar{display:inline-flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--qt-border-soft);border-radius:999px;background:var(--qt-shell-muted)}.ant-avatar-image{width:100%;height:100%;object-fit:cover}.ant-alert{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid var(--qt-border-soft);border-radius:11px;background:var(--qt-shell-muted)}.ant-alert-info{background:color-mix(in srgb,var(--qt-primary-soft) 34%,var(--qt-shell-elevated))}.ant-alert-error{background:color-mix(in srgb,var(--qt-danger-soft) 44%,var(--qt-shell-elevated))}.ant-alert-warning{background:color-mix(in srgb,var(--qt-warning-soft) 54%,var(--qt-shell-elevated))}.ant-alert-message{font-weight:600;letter-spacing:var(--qt-letter-spacing-body);color:var(--qt-text)}.ant-alert-description{margin-top:4px;font-size:13px;line-height:1.45;color:var(--qt-text-secondary)}.ant-alert-icon{margin-top:1px;color:var(--qt-primary)}.ant-alert-error .ant-alert-icon{color:var(--qt-danger)}.ant-alert-close{border:none;background:transparent;color:var(--qt-text-tertiary)}.ant-result{padding:28px 16px;text-align:center}.ant-segmented{display:inline-flex;gap:6px;padding:4px;border:1px solid var(--qt-border-soft);border-radius:999px;background:var(--qt-shell-muted)}.ant-segmented-item{border:none;border-radius:999px;background:transparent;color:var(--qt-text-secondary);cursor:pointer}.ant-segmented-item-selected{background:var(--qt-shell-elevated);color:var(--qt-text)}.ant-card-hoverable{cursor:pointer}.ant-card-cover img{width:100%;object-fit:cover}.ant-overlay-root{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1100}.ant-modal-mask{position:absolute;top:0;right:0;bottom:0;left:0;background:color-mix(in srgb,var(--qt-scrim) 84%,transparent);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px)}.ant-modal-wrap{position:relative;display:flex;min-height:100%;align-items:center;justify-content:center;padding:24px}.ant-modal{position:relative;max-width:min(100%,96vw)}.ant-modal-content{position:relative;display:flex;max-height:min(calc(100vh - 48px),880px);min-height:0;flex-direction:column;overflow:hidden}.ant-modal-close{display:inline-flex;flex:none;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid transparent;border-radius:999px;background:color-mix(in srgb,var(--qt-shell-muted) 86%,transparent);color:var(--qt-text-tertiary);cursor:pointer;transition:background-color .2s ease,border-color .2s ease,color .2s ease}.ant-modal-close svg,.ant-drawer-close svg{width:16px;height:16px}.ant-modal-close:hover,.ant-drawer-close:hover{border-color:var(--qt-border-soft);background:color-mix(in srgb,var(--qt-shell-muted) 96%,transparent);color:var(--qt-text)}.ant-modal-close:focus-visible,.ant-drawer-close:focus-visible{outline:none;box-shadow:var(--qt-focus-ring)}.ant-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 24px 18px}.ant-modal-title{flex:1;min-width:0;font-size:21px;line-height:1.2;letter-spacing:-.03em}.ant-modal-body{flex:1;min-height:0;overflow:auto;padding:20px 24px 24px}.ant-modal-footer{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;padding:16px 24px 20px;margin-top:0}.ant-modal-footer .ant-btn{min-width:96px}.ant-drawer{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.ant-drawer-content-wrapper{position:absolute;top:0;right:0;height:100%;max-width:100vw;padding:18px}.ant-drawer-left .ant-drawer-content-wrapper{right:auto;left:0}.ant-drawer-content{display:flex;height:100%;flex-direction:column;overflow:hidden}.ant-drawer-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 24px 18px}.ant-drawer-title{flex:1;min-width:0;font-size:21px;line-height:1.2;letter-spacing:-.03em}.ant-drawer-close{display:inline-flex;flex:none;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid transparent;border-radius:999px;background:color-mix(in srgb,var(--qt-shell-muted) 86%,transparent);color:var(--qt-text-tertiary);cursor:pointer;transition:background-color .2s ease,border-color .2s ease,color .2s ease}.ant-drawer-body{flex:1;overflow:auto;padding:20px 24px 24px}@media(max-width:768px){.ant-modal-wrap{align-items:flex-end;padding:12px}.ant-modal{width:100%;max-width:100%}.ant-modal-content{max-height:min(calc(100vh - 24px),100%);border-radius:20px!important}.ant-modal-header,.ant-modal-body,.ant-modal-footer,.ant-drawer-header,.ant-drawer-body{padding-left:18px;padding-right:18px}.ant-modal-header,.ant-drawer-header{padding-top:18px;padding-bottom:16px}.ant-modal-body,.ant-drawer-body{padding-top:18px;padding-bottom:18px}.ant-modal-footer{padding-top:14px;padding-bottom:18px}.ant-modal-footer .ant-btn{flex:1 1 0}.ant-drawer-content-wrapper{width:100%!important;padding:12px}}.ant-menu{display:flex;flex-direction:column;gap:6px}.ant-menu-horizontal{flex-direction:row;align-items:center}.ant-menu-item{display:inline-flex;align-items:center;width:100%;padding:10px 14px;border:none;border-radius:999px;background:transparent;cursor:pointer;text-align:left}.ant-menu-horizontal .ant-menu-item{width:auto}.ant-menu-item-divider{height:1px;margin:6px 0;background:var(--qt-border-soft)}.ant-dropdown{position:fixed;z-index:1150;min-width:220px}.ant-dropdown-menu{padding:8px;border:1px solid var(--qt-border-soft);border-radius:14px;background:var(--qt-shell-elevated);box-shadow:none}.ant-dropdown-menu-item{display:flex;width:100%;align-items:center;gap:10px;padding:10px 12px;border:none;border-radius:10px;background:transparent;color:var(--qt-text);cursor:pointer;text-align:left}.ant-layout{display:flex;min-height:100%}.ant-badge{position:relative;display:inline-flex}.ant-badge-count{position:absolute;top:-6px;right:-8px;display:inline-flex;min-width:18px;height:18px;align-items:center;justify-content:center;padding:0 5px;border-radius:999px;background:var(--qt-primary);color:#fff;font-size:11px}.ant-switch{position:relative;width:44px;height:24px;padding:2px;border:none;border-radius:999px;background:var(--qt-border);cursor:pointer}.ant-switch-small{width:36px;height:20px}.ant-switch-handle{display:block;width:20px;height:20px;border-radius:999px;background:#fff;transition:transform .2s ease}.ant-switch-small .ant-switch-handle{width:16px;height:16px}.ant-switch-checked{background:var(--qt-primary)}.ant-switch-checked .ant-switch-handle{transform:translate(20px)}.ant-switch-small.ant-switch-checked .ant-switch-handle{transform:translate(16px)}.ant-divider{height:1px;margin:16px 0;background:var(--qt-border-soft)}.ant-divider-vertical{display:inline-block;width:1px;height:1em;margin:0 12px;vertical-align:middle}.ant-checkbox-wrapper{display:inline-flex;align-items:center;gap:8px;cursor:pointer}.ant-checkbox{position:relative;display:inline-flex}.ant-checkbox-input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0}.ant-checkbox-inner{width:18px;height:18px;border:1px solid var(--qt-border-soft);border-radius:6px;background:var(--qt-shell-elevated)}.ant-checkbox-checked .ant-checkbox-inner,.ant-checkbox-indeterminate .ant-checkbox-inner{background:var(--qt-primary);border-color:var(--qt-primary)}.ant-input-search{display:inline-flex;width:100%;gap:8px}.ant-input-search .ant-input-affix-wrapper,.ant-input-search .ant-input{flex:1}.ant-input-affix-wrapper{display:inline-flex;align-items:center;width:100%;gap:8px;padding-inline:12px;border:1px solid var(--qt-border-soft);border-radius:11px;background:var(--qt-shell-elevated);transition:border-color .2s ease,box-shadow .2s ease}.ant-input,.ant-select-selector,.ant-picker{width:100%;min-width:0;height:40px;padding:9px 12px;border:1px solid var(--qt-border-soft);border-radius:11px;background:var(--qt-shell-elevated);color:var(--qt-text);-webkit-appearance:none;-moz-appearance:none;appearance:none;box-shadow:none;transition:border-color .2s ease,box-shadow .2s ease}.ant-input::placeholder{color:var(--qt-text-tertiary)}.ant-input:hover,.ant-select-selector:hover,.ant-picker:hover,.ant-input-affix-wrapper:hover{border-color:var(--qt-primary)}.ant-input:focus-visible,.ant-select-selector:focus-visible,.ant-picker:focus-visible{outline:none;border-color:var(--qt-primary);box-shadow:var(--qt-focus-ring)}.ant-input-affix-wrapper:focus-within{border-color:var(--qt-primary);box-shadow:var(--qt-focus-ring)}.ant-input-affix-input{width:100%;min-width:0;height:38px;padding:0;border:0;outline:none;background:transparent;color:var(--qt-text);-webkit-appearance:none;-moz-appearance:none;appearance:none;box-shadow:none}.ant-input-affix-input::placeholder{color:var(--qt-text-tertiary)}.ant-input-prefix,.ant-input-suffix{color:var(--qt-text-tertiary);display:inline-flex;align-items:center}.ant-input-affix-wrapper .ant-input{padding-inline:0;border:none;background:transparent;outline:none}.ant-input-clear-icon,.ant-select-clear,.ant-input-password-toggle{border:none;background:transparent;color:var(--qt-text-tertiary);line-height:1;cursor:pointer}.ant-input-password-toggle{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;padding:0;font-size:16px;color:var(--qt-text-tertiary)}.ant-input-password-toggle:hover{color:var(--qt-text-secondary)}.ant-input-password-toggle:focus-visible,.ant-input-clear-icon:focus-visible,.ant-select-clear:focus-visible{outline:none;box-shadow:var(--qt-focus-ring);border-radius:999px}.ant-select{position:relative}.ant-select-selector{padding-right:34px}.ant-select:after{content:"⌄";position:absolute;top:50%;right:12px;transform:translateY(-50%);color:var(--qt-text-tertiary);font-size:12px;pointer-events:none}.ant-select-clear{position:absolute;top:50%;right:30px;transform:translateY(-50%);padding:0}.ant-picker-range input{height:34px;border:none;outline:none;background:transparent;color:var(--qt-text)}.ant-picker-separator{color:var(--qt-text-tertiary)}.ant-input-textarea{position:relative}.ant-input-textarea .ant-input{min-height:112px;resize:vertical}.ant-input-data-count,.ant-form-item-extra{margin-top:6px;font-size:12px;color:var(--qt-text-tertiary)}.ant-form-item{margin-bottom:18px}.ant-form-item-label{margin-bottom:8px;color:var(--qt-text-secondary)}.ant-form-item-explain-error{margin-top:6px;color:var(--qt-danger);font-size:12px}.ant-table{width:100%;border-collapse:collapse}.ant-table th,.ant-table td{padding:14px 16px;text-align:left}.ant-pagination{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:16px}.ant-upload-list{display:flex;flex-direction:column;gap:8px;margin-top:10px}.ant-upload-list-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid var(--qt-border-soft);border-radius:11px;background:var(--qt-shell-muted)}.ant-upload-list-item-name{flex:1;border:none;background:transparent;color:var(--qt-text);cursor:pointer;text-align:left}.ant-tabs-nav-list{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--qt-border-soft);border-radius:999px;background:var(--qt-shell-muted)}.ant-tabs-tab{padding:0;border:none;background:transparent;border-radius:999px;cursor:pointer}.ant-tabs-tab-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;color:var(--qt-text-secondary);transition:background-color .2s ease,color .2s ease}.ant-tabs-tab-active .ant-tabs-tab-btn{background:var(--qt-shell-elevated);color:var(--qt-text)}.ant-tabs-content-holder{padding-top:16px}.ant-descriptions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--qt-border-soft);border-radius:12px;overflow:hidden}.ant-descriptions-item-label,.ant-descriptions-item-content{padding:12px 14px;border-bottom:1px solid var(--qt-border-soft)}.ant-descriptions-item-label{background:var(--qt-shell-muted)}.ant-list{display:flex;flex-direction:column}.ant-list-item{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--qt-border-soft)}.ant-list-item-meta-title{font-weight:600}.ant-list-item-meta-description{margin-top:6px;color:var(--qt-text-secondary)}.ant-statistic-content{display:flex;align-items:baseline;gap:8px;margin-top:8px}.ant-statistic-content-value{font-size:28px;font-weight:600;letter-spacing:-.03em}.ant-row{display:flex;flex-wrap:wrap}.ant-rate{display:inline-flex;gap:2px;color:var(--qt-text-tertiary)}.ant-rate-star-full{color:var(--qt-primary)}.ant-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:20px}.ant-steps-item{display:flex;align-items:center;gap:10px;color:var(--qt-text-tertiary)}.ant-steps-item-active{color:var(--qt-text)}.ant-steps-item-icon{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:999px;background:var(--qt-primary-soft)}.ant-qrcode{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--qt-border-soft);border-radius:16px;background:var(--qt-shell-elevated)}.ant-qrcode-text{padding:0 16px;text-align:center;color:var(--qt-text-secondary);font-size:12px}.ant-picker-range{display:inline-flex;align-items:center;gap:8px}.ant-typography-paragraph,.ant-typography-secondary{color:var(--qt-text-secondary)}.ant-typography-strong{font-weight:600}.ant-message-notice-content-success,.ant-message-notice-content-info{border-color:color-mix(in srgb,var(--qt-primary) 18%,var(--qt-border-soft));background:color-mix(in srgb,var(--qt-primary-soft) 16%,var(--qt-shell-elevated))}.ant-message-notice-content-error{border-color:color-mix(in srgb,var(--qt-danger) 20%,var(--qt-border-soft));background:color-mix(in srgb,var(--qt-danger-soft) 18%,var(--qt-shell-elevated))}.ant-message-notice-content-error .ant-message-notice-icon{color:var(--qt-danger)}.ant-message-notice-content-warning{border-color:color-mix(in srgb,var(--qt-warning) 22%,var(--qt-border-soft));background:color-mix(in srgb,var(--qt-warning-soft) 20%,var(--qt-shell-elevated))}.ant-message-notice-content-warning .ant-message-notice-icon{color:var(--qt-warning)}@media(max-width:768px){.ant-message{top:14px;width:calc(100vw - 20px)}.ant-message-notice-content{width:100%;min-width:0;padding:11px 14px;border-radius:16px}}.ant-modal-content,.ant-drawer-content,.ant-select-dropdown,.ant-picker-dropdown .ant-picker-panel-container,.ant-tooltip-inner{border:1px solid var(--qt-border-soft)!important;border-radius:12px!important;background:var(--qt-shell-elevated)!important;box-shadow:none!important}.ant-modal-header,.ant-drawer-header{border-bottom:1px solid var(--qt-border-soft)!important;background:transparent!important}.ant-modal-title,.ant-drawer-title{color:var(--qt-text)!important;letter-spacing:var(--qt-letter-spacing-tight)}.ant-modal-close,.ant-drawer-close{color:var(--qt-text-tertiary)}.ant-modal-close:hover,.ant-drawer-close:hover{color:var(--qt-text)}.ant-menu-item,.ant-menu-submenu-title,.ant-menu-item .ant-menu-title-content a{color:var(--qt-text-secondary)!important}.ant-menu-item-selected,.ant-menu-submenu-selected>.ant-menu-submenu-title{color:var(--qt-primary)!important;background:var(--qt-primary-soft)!important}.ant-menu-item-selected:after,.ant-menu-submenu-selected>.ant-menu-submenu-title:after{display:none!important}.ant-dropdown-menu-item:hover,.ant-dropdown-menu-submenu-title:hover{background:var(--qt-primary-soft)!important}.ant-dropdown-menu-item-danger{color:var(--qt-danger)!important}.ant-select-dropdown .ant-select-item{border-radius:9px;color:var(--qt-text)}.ant-select-dropdown .ant-select-item-option-selected{background:var(--qt-primary-soft)!important;color:var(--qt-primary)!important}.ant-select-dropdown .ant-select-item-option-active{background:color-mix(in srgb,var(--qt-primary-soft) 60%,transparent)!important}.ant-tabs .ant-tabs-nav:before{border-bottom:none!important}.ant-tabs .ant-tabs-ink-bar{display:none!important}.ant-tabs .ant-tabs-tab+.ant-tabs-tab{margin-left:4px!important}.ant-tabs .ant-tabs-tab-btn{color:var(--qt-text-secondary)!important}.ant-pagination .ant-pagination-item,.ant-pagination .ant-pagination-prev,.ant-pagination .ant-pagination-next,.ant-pagination .ant-pagination-jump-prev,.ant-pagination .ant-pagination-jump-next{border:1px solid var(--qt-border-soft)!important;background:var(--qt-shell-elevated)!important;border-radius:11px!important}.ant-pagination .ant-pagination-item a,.ant-pagination .ant-pagination-prev .ant-pagination-item-link,.ant-pagination .ant-pagination-next .ant-pagination-item-link{color:var(--qt-text)!important}.ant-pagination .ant-pagination-item-active{border-color:transparent!important;background:var(--qt-primary-soft)!important}.ant-pagination .ant-pagination-item-active a{color:var(--qt-primary)!important}.ant-table-thead>tr>th{color:var(--qt-text-secondary);text-transform:uppercase;letter-spacing:var(--qt-letter-spacing-caps);font-size:11px}.ant-table-tbody>tr>td{color:var(--qt-text)}.ant-table-tbody>tr.ant-table-row:hover>td{background:color-mix(in srgb,var(--qt-primary-soft) 55%,transparent)}.ant-form-item-has-error .ant-input,.ant-form-item-has-error .ant-input-affix-wrapper,.ant-form-item-has-error .ant-select-selector,.ant-form-item-has-error .ant-picker{border-color:var(--qt-danger)!important;box-shadow:none!important}.qt-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--qt-text-secondary)}.qt-loading--block{min-height:200px;width:100%;padding:28px 20px}.qt-loading--fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:color-mix(in srgb,var(--qt-body-bg) 92%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.qt-loading--inline{flex-direction:row;gap:8px}.qt-loading--cover{min-height:100%;width:100%;padding:24px}.qt-loading__spinner{display:inline-block;width:22px;height:22px;border:2px solid color-mix(in srgb,var(--qt-primary) 18%,transparent);border-top-color:var(--qt-primary);border-right-color:color-mix(in srgb,var(--qt-primary) 60%,transparent);border-radius:999px;animation:qt-loading-rotate .72s linear infinite}.qt-loading__spinner--lg{width:28px;height:28px}.qt-loading__spinner--sm{width:18px;height:18px}.qt-loading__spinner--inline{flex:none}.qt-loading__text{font-size:var(--qt-font-size-caption);line-height:1.4;color:var(--qt-text-secondary);letter-spacing:var(--qt-letter-spacing-body)}@keyframes qt-loading-rotate{to{transform:rotate(360deg)}}.error-boundary-container{display:flex;align-items:center;justify-content:center;min-height:400px;padding:20px;background-color:transparent}.error-details{margin-top:24px;text-align:left}.error-details summary{cursor:pointer;color:var(--qt-text-secondary);font-size:14px;margin-bottom:12px}.error-details summary:hover{color:var(--qt-primary)}.error-stack{background-color:var(--qt-shell-muted);border:1px solid var(--qt-border);border-radius:12px;padding:16px;font-size:12px;line-height:1.6;overflow-x:auto;max-width:800px;color:var(--qt-text)}.stat-card{position:relative;padding:calc(var(--qt-space-5) + 2px) calc(var(--qt-space-5) + 2px) var(--qt-space-5);background:var(--qt-shell-elevated);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);box-shadow:none}.stat-card-clickable{cursor:pointer}.stat-card-clickable:active{transform:none}.stat-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:calc(var(--qt-space-5) - 2px);gap:var(--qt-space-4)}.stat-card-title{font-size:var(--qt-font-size-caption);font-weight:600;color:var(--qt-text-secondary);letter-spacing:var(--qt-letter-spacing-caps);text-transform:uppercase}.stat-card-icon{width:36px;height:36px;border-radius:var(--qt-radius-pill);background:var(--qt-shell-muted);display:flex;align-items:center;justify-content:center;font-size:var(--qt-font-size-body-lg);color:var(--stat-card-accent, var(--qt-primary))}.stat-card-content{display:flex;align-items:baseline;gap:calc(var(--qt-space-2) - 2px);margin-bottom:calc(var(--qt-space-4) - 2px)}.stat-card-prefix,.stat-card-suffix{font-size:calc(var(--qt-font-size-body) + 2px);color:var(--qt-text-secondary)}.stat-card-value{font-size:40px;line-height:.96;font-weight:600;letter-spacing:var(--qt-letter-spacing-display);color:var(--qt-text)}.stat-card-trend{display:inline-flex;align-items:center;gap:calc(var(--qt-space-2) - 2px);padding:0;border-radius:0;font-size:var(--qt-font-size-caption);font-weight:600;width:fit-content;background:transparent}.stat-card-trend-positive,.stat-card-trend-negative,.stat-card-trend-label{color:var(--qt-text-secondary)}.teacher-compact-stat-cards .stat-card{display:flex;height:92px;flex-direction:column;justify-content:center;padding:10px 12px}.teacher-compact-stat-cards .stat-card-header{align-items:center;gap:8px;margin-bottom:6px}.teacher-compact-stat-cards .stat-card-title{font-size:11px;line-height:1.2;letter-spacing:0}.teacher-compact-stat-cards .stat-card-icon{width:24px;height:24px;font-size:13px}.teacher-compact-stat-cards .stat-card-content{margin-bottom:4px}.teacher-compact-stat-cards .stat-card-value{font-size:24px;line-height:1;letter-spacing:0}.teacher-compact-stat-cards .stat-card-prefix,.teacher-compact-stat-cards .stat-card-suffix,.teacher-compact-stat-cards .stat-card-trend{font-size:11px;line-height:1.2}.stat-card-loading{pointer-events:none}.stat-card-skeleton{animation:pulse 1.4s ease-in-out infinite}.stat-card-skeleton-title,.stat-card-skeleton-value,.stat-card-skeleton-trend{background:linear-gradient(90deg,color-mix(in srgb,var(--qt-shell-muted) 90%,transparent),var(--qt-shell-elevated),color-mix(in srgb,var(--qt-shell-muted) 90%,transparent));background-size:200% 100%;animation:shimmer 1.8s linear infinite;border-radius:999px}.stat-card-skeleton-title{width:40%;height:12px;margin-bottom:calc(var(--qt-space-5) - 2px)}.stat-card-skeleton-value{width:72%;height:38px;margin-bottom:calc(var(--qt-space-4) - 2px)}.stat-card-skeleton-trend{width:34%;height:28px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.72}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(max-width:768px){.stat-card{padding:var(--qt-space-5)}.stat-card-value{font-size:34px}}.data-table{border:1px solid var(--qt-divider-strong);border-radius:var(--qt-radius-lg);background:var(--qt-table-surface);box-shadow:none;-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop);overflow:hidden}.data-table-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--qt-space-4);padding:calc(var(--qt-space-5) - 2px) var(--qt-space-5) var(--qt-space-4);background:var(--qt-toolbar-bg);border-bottom:1px solid var(--qt-divider-strong);flex-wrap:wrap}.data-table-toolbar-left,.data-table-toolbar-right{display:flex;align-items:center;gap:var(--qt-space-3);flex-wrap:wrap}.data-table-toolbar-left{flex:1 1 auto;min-width:0;flex-wrap:nowrap}.data-table-toolbar-left .ant-btn{white-space:nowrap;flex:0 0 auto}.data-table-filter-panel{padding:calc(var(--qt-space-4) - 2px) var(--qt-space-5) var(--qt-space-4);background:var(--qt-toolbar-muted);border-bottom:1px solid var(--qt-divider-strong)}.data-table-filter-item{display:flex;flex-direction:column;align-items:flex-start;gap:var(--qt-space-2);min-width:min(100%,11rem)}.data-table-filter-label{font-size:var(--qt-font-size-caption);font-weight:600;color:var(--qt-text-secondary);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap}.data-table-batch-actions{display:flex;align-items:center;justify-content:space-between;gap:var(--qt-space-4);padding:calc(var(--qt-space-4) - 2px) var(--qt-space-5);background:color-mix(in srgb,var(--qt-primary-soft) 32%,var(--qt-toolbar-muted));border-bottom:1px solid color-mix(in srgb,var(--qt-primary) 12%,var(--qt-divider-strong))}.data-table-batch-actions .ant-checkbox-wrapper{min-height:36px;display:inline-flex;align-items:center;color:var(--qt-text);font-weight:600}.data-table-search{width:min(100%,360px);flex:0 1 360px;min-width:0}.data-table-search.ant-input-search .ant-input-group>.ant-input-group-addon:last-child .ant-btn{border-start-start-radius:0!important;border-end-start-radius:0!important}.data-table .ant-table-tbody>tr>td{transition:background-color .2s ease,color .2s ease}.data-table .ant-table-tbody>tr:hover>td{background:var(--qt-table-row-hover)!important}.data-table-batch-actions-buttons{display:flex;gap:var(--qt-space-2);flex-wrap:wrap}.data-table .ant-table-wrapper{border:none;border-radius:0;background:transparent}.data-table .ant-table-pagination{padding:16px 20px 20px;margin:0!important}@media(max-width:768px){.data-table-toolbar{flex-direction:column;align-items:stretch}.data-table-toolbar-left,.data-table-toolbar-right,.data-table-batch-actions{width:100%}.data-table-toolbar-left{flex-wrap:wrap}.data-table-search{width:100%;flex-basis:auto}.data-table-toolbar-right{justify-content:space-between}.data-table-batch-actions{flex-direction:column;align-items:flex-start}.data-table-batch-actions-buttons{width:100%}.data-table-batch-actions-buttons .ant-btn{flex:1 1 calc(50% - 4px)}}.chart-card{display:flex;flex-direction:column;padding:calc(var(--qt-space-5) + 2px) calc(var(--qt-space-5) + 2px) var(--qt-space-5);background:var(--qt-shell-elevated);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);box-shadow:none}.chart-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--qt-space-4);margin-bottom:calc(var(--qt-space-5) - 2px);padding-bottom:0;border-bottom:none}.chart-card-title{margin:0 0 calc(var(--qt-space-2) - 2px);font-size:var(--qt-font-size-title);line-height:1.16;font-weight:600;letter-spacing:var(--qt-letter-spacing-tight);color:var(--qt-text)}.chart-card-subtitle{margin:0;font-size:var(--qt-font-size-body);color:var(--qt-text-secondary)}.chart-card-actions{display:flex;align-items:center;gap:calc(var(--qt-space-2) - 2px)}.chart-card-actions .ant-btn{background:transparent!important}.chart-card-content,.chart-card-loading,.chart-card-empty{flex:1;min-height:220px;display:flex;flex-direction:column}.chart-card-loading,.chart-card-empty{align-items:center;justify-content:center}@media(max-width:768px){.chart-card{padding:var(--qt-space-5)}.chart-card-header{flex-direction:column;align-items:stretch}.chart-card-actions{width:100%;justify-content:flex-end}.chart-card-title{font-size:var(--qt-font-size-subtitle)}}.form-modal .ant-modal-content{border-radius:var(--qt-radius-lg)!important;border:1px solid var(--qt-divider-strong)!important;background:var(--qt-dialog-surface)!important;box-shadow:var(--qt-shadow-overlay)!important;-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.form-modal .ant-modal-header{padding:24px 24px 0;border-bottom:none!important;background:transparent!important}.form-modal .ant-modal-title{color:var(--qt-text)!important;font-size:21px;line-height:1.19;font-weight:600;letter-spacing:var(--qt-letter-spacing-tight)}.form-modal .ant-modal-body{max-height:min(calc(100vh - 220px),720px);padding:18px 24px 24px;overflow-y:auto;scrollbar-gutter:stable}.form-modal .ant-modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:18px 24px 24px;border-top:1px solid var(--qt-divider-strong)!important}.form-modal .ant-modal-footer .ant-btn+.ant-btn{margin-inline-start:0}.form-modal .ant-form-item-label>label{color:var(--qt-text-secondary)!important;font-size:13px;font-weight:600}.form-modal .ant-form{gap:0}.form-modal .ant-form-vertical .ant-form-item:not(:last-child),.form-modal .ant-form-horizontal .ant-form-item:not(:last-child){margin-bottom:18px}.form-modal .ant-form-item:last-child{margin-bottom:0}.form-modal .ant-modal-close{top:18px;right:18px;width:36px;height:36px;border-radius:999px;color:var(--qt-text-secondary);background:var(--qt-control-bg);border:1px solid var(--qt-control-border);transition:background-color .2s ease,border-color .2s ease,color .2s ease}.form-modal .ant-modal-close:hover{color:var(--qt-text);background:var(--qt-control-bg-hover);border-color:var(--qt-control-border-strong)}@media(max-width:768px){.form-modal .ant-modal-header,.form-modal .ant-modal-body,.form-modal .ant-modal-footer{padding-left:18px;padding-right:18px}}.image-upload-container{display:inline-block}.image-upload-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--qt-text-tertiary);transition:all .3s}.image-upload-button:hover{color:var(--qt-primary)}.image-upload-text{font-size:14px;margin-top:4px}.ant-upload-list-picture-circle .image-upload-button{border-radius:50%}@media(max-width:768px){.image-upload-text{font-size:12px}}.ant-upload-list-item-uploading{opacity:.7}.image-upload-preview{width:100%;border-radius:12px}.qt-status-tag{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:0 var(--qt-space-3);border-radius:var(--qt-radius-pill);border:1px solid transparent;font-size:var(--qt-font-size-caption);font-weight:600;line-height:1;letter-spacing:var(--qt-letter-spacing-body);white-space:nowrap}.qt-status-tag--neutral{color:var(--qt-text-secondary);background:var(--qt-shell-muted);border-color:var(--qt-border-soft)}.qt-status-tag--primary{color:var(--qt-primary);background:var(--qt-primary-soft);border-color:color-mix(in srgb,var(--qt-primary) 18%,transparent)}.qt-status-tag--success{color:var(--qt-text);background:var(--qt-shell-muted);border-color:var(--qt-border-soft)}.qt-status-tag--warning{color:var(--qt-text-secondary);background:var(--qt-shell-muted);border-color:var(--qt-border-soft)}.qt-status-tag--danger{color:var(--qt-danger);background:var(--qt-danger-soft);border-color:color-mix(in srgb,var(--qt-danger) 18%,transparent)}.managed-user-selector-filters{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.managed-user-selector-search{width:300px}.managed-user-selector-class-filter{width:150px}.managed-user-selector-status-filter{width:120px}.managed-user-selector-selected{padding:14px 16px;margin-bottom:20px;border-radius:var(--qt-radius-md);border:none;background:var(--qt-shell-muted)}.selected-label{font-weight:500;color:var(--qt-text);margin-right:8px}.managed-user-name{font-size:14px;font-weight:500;color:var(--qt-text)}.managed-user-no,.managed-user-email{font-size:12px;color:var(--qt-text-tertiary);margin-top:2px}.managed-user-selector-modal .ant-table-small{font-size:13px}.managed-user-selector-modal .ant-table{border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);overflow:hidden;background:var(--qt-shell-elevated)}.managed-user-selector-modal .ant-table-tbody>tr:hover{cursor:pointer}.managed-user-selector-actions{margin-top:20px}.managed-user-selector-actions-space{width:100%;justify-content:flex-end}@media(max-width:768px){.managed-user-selector-filters{flex-direction:column}.managed-user-selector-search,.managed-user-selector-class-filter,.managed-user-selector-status-filter{width:100%}.managed-user-selector-selected{padding:12px}.selected-label{display:block;margin-bottom:8px}}.course-card{border-radius:var(--qt-radius-lg);overflow:hidden;border:1px solid var(--qt-border-soft);box-shadow:none;background:var(--qt-shell-elevated);height:100%}.course-card .ant-card-body{padding:calc(var(--qt-space-5) + 2px)}.course-cover,.course-cover-horizontal{background:var(--qt-shell-muted)}.course-cover img,.course-cover-horizontal img{transition:none}.cover-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,transparent 30%,var(--qt-media-overlay) 100%);display:flex;align-items:center;justify-content:center;opacity:1}.play-icon{font-size:46px;color:var(--qt-nav-fg)}.course-content{display:flex;flex-direction:column;gap:calc(var(--qt-space-4) - 2px)}.course-title{font-size:var(--qt-font-size-body-lg);line-height:1.35;font-weight:600;color:var(--qt-text)}.course-description,.teacher-name,.meta-item,.course-footer,.progress-text{color:var(--qt-text-secondary)}.teacher-info,.course-actions,.course-footer{padding-top:var(--qt-space-3);border-top:1px solid var(--qt-border-soft)}.course-rating{font-size:var(--qt-font-size-body)}.course-cover-horizontal{width:220px;height:154px;flex-shrink:0;border-radius:var(--qt-radius-lg);overflow:hidden}.course-card-horizontal .horizontal-layout{display:flex;gap:calc(var(--qt-space-5) - 2px)}.course-progress{margin-bottom:4px}@media(max-width:768px){.course-card .ant-card-body{padding:calc(var(--qt-space-5) - 2px)}.course-card-horizontal .horizontal-layout{flex-direction:column}.course-cover-horizontal{width:100%;height:190px}}.report-viewer-container{display:flex;flex-direction:column;gap:var(--qt-space-4)}.report-actions,.report-section{border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent);box-shadow:none;-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.report-actions{display:flex;justify-content:flex-end;padding:calc(var(--qt-space-4) + 2px) var(--qt-space-5)}.report-actions .ant-space{justify-content:flex-end}.report-section{overflow:hidden}.report-section-header{display:flex;align-items:center;justify-content:space-between;gap:var(--qt-space-3);padding:calc(var(--qt-space-4) + 2px) var(--qt-space-5);border-bottom:1px solid var(--qt-border-soft);background:color-mix(in srgb,var(--qt-shell-muted) 88%,transparent);font-weight:600;color:var(--qt-text)}.report-descriptions{border:none;border-radius:0;box-shadow:none}.report-descriptions .ant-descriptions-view{border:none}.total-score{font-size:18px;font-weight:600;color:var(--qt-primary)}.report-summary,.teacher-comment{margin:0;padding:calc(var(--qt-space-5) - 2px) var(--qt-space-5);font-size:15px;line-height:1.8;color:var(--qt-text)}.report-summary{background:color-mix(in srgb,var(--qt-shell-muted) 82%,transparent)}.teacher-comment{background:color-mix(in srgb,var(--qt-primary-soft) 38%,var(--qt-shell-elevated))}.report-chart{width:100%;height:400px;padding:var(--qt-space-4) var(--qt-space-5) var(--qt-space-5)}.report-details{display:flex;flex-direction:column;padding:0 var(--qt-space-5) var(--qt-space-5)}.detail-item{padding:var(--qt-space-5) 0 0}.detail-item .ant-divider{margin:var(--qt-space-4) 0 0;border-color:var(--qt-border-soft)}.detail-header{display:flex;justify-content:space-between;align-items:center;gap:var(--qt-space-3);margin-bottom:8px}.detail-dimension{font-size:16px;font-weight:600;color:var(--qt-text)}.detail-score{font-size:18px;font-weight:600;color:var(--qt-primary)}.detail-description{margin:0;padding-left:12px;font-size:14px;line-height:1.7;color:var(--qt-text-secondary)}.report-suggestions{margin:0;padding:calc(var(--qt-space-4) + 2px) calc(var(--qt-space-6) + 2px) var(--qt-space-5)}.report-suggestions li{font-size:14px;line-height:1.9;color:var(--qt-text);margin-bottom:8px}.report-suggestions li::marker{color:var(--qt-primary);font-weight:600}@media print{.report-actions{display:none!important}.report-section,.report-chart{page-break-inside:avoid}}@media(max-width:768px){.report-actions,.report-section-header,.report-summary,.teacher-comment,.report-chart,.report-details,.report-suggestions{padding-left:var(--qt-space-4);padding-right:var(--qt-space-4)}.report-actions{justify-content:stretch}.report-actions .ant-space,.report-actions .ant-space-item,.report-actions .ant-btn{width:100%}.report-chart{height:300px}.detail-header{flex-direction:column;align-items:flex-start}.report-summary,.teacher-comment{font-size:14px}.detail-dimension{font-size:15px}.detail-score{font-size:16px}}.notification-bell-button{display:flex;align-items:center;justify-content:center;width:var(--qt-size-control-sm);height:var(--qt-size-control-sm);border-radius:var(--qt-radius-pill);transition:all .25s ease}.notification-bell-button:hover{background:var(--qt-primary-soft);color:var(--qt-primary)}.notification-bell-icon{font-size:var(--qt-font-size-body-lg)}.notification-dropdown{width:min(420px,calc(100vw - 24px));max-height:min(520px,var(--qt-dropdown-max-height, 520px));background:var(--qt-shell-elevated);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);box-shadow:none;overflow:hidden}.notification-header,.notification-footer{padding:var(--qt-space-4) calc(var(--qt-space-5) - 2px);border-bottom:1px solid var(--qt-border-soft)}.notification-footer{border-bottom:none;border-top:1px solid var(--qt-border-soft)}.notification-title{font-size:calc(var(--qt-font-size-body) + 2px);font-weight:600;color:var(--qt-text);letter-spacing:var(--qt-letter-spacing-tight)}.notification-list{max-height:min(388px,calc(var(--qt-dropdown-max-height, 520px) - 132px));overflow-y:auto}.notification-loading{display:flex;align-items:center;justify-content:center;padding:var(--qt-space-8) 0}.notification-item{position:relative;display:flex;gap:var(--qt-space-3);padding:var(--qt-space-4) calc(var(--qt-space-5) - 2px);cursor:pointer;transition:background .25s ease;border-bottom:1px solid var(--qt-border-soft)}.notification-item:hover{background:var(--qt-shell-muted)}.notification-item:last-child{border-bottom:none}.notification-item.unread{background:var(--qt-state-unread-surface)}.notification-item.unread:before{content:"";position:absolute;left:calc(var(--qt-space-4) - 2px);top:calc(var(--qt-space-4) + 7px);width:6px;height:6px;border-radius:var(--qt-radius-pill);background:var(--qt-state-unread-indicator)}.notification-item.unread .notification-content{padding-left:var(--qt-space-3)}.notification-item.unread:hover{background:color-mix(in srgb,var(--qt-state-unread-surface) 70%,var(--qt-shell-muted))}.notification-content{flex:1;cursor:pointer}.notification-time{font-size:var(--qt-font-size-caption);color:var(--qt-text-tertiary)}.notification-item-title{margin-bottom:calc(var(--qt-space-2) - 3px);font-size:var(--qt-font-size-body);font-weight:600;color:var(--qt-text)}.notification-item-content{font-size:13px;color:var(--qt-text-secondary)}.notification-actions{margin-left:var(--qt-space-2);opacity:1}.notification-footer .ant-btn{color:var(--qt-primary);font-weight:600}@media(max-width:768px){.notification-dropdown{width:min(360px,calc(100vw - 20px))}}.virtual-list-empty{height:var(--virtual-list-container-height);display:flex;align-items:center;justify-content:center;border:1px dashed var(--qt-border-soft);border-radius:var(--qt-radius-md);background:var(--qt-shell-elevated)}.virtual-list-container{height:var(--virtual-list-container-height);overflow:auto;position:relative;border-radius:var(--qt-radius-md)}.virtual-list-placeholder{height:var(--virtual-list-total-height);position:relative}.virtual-list-items{position:absolute;top:0;left:0;right:0;transform:translateY(var(--virtual-list-offset-y))}.virtual-list-item{height:var(--virtual-list-item-height);overflow:hidden}.assessment-detail-modal-content{display:flex;flex-direction:column;gap:var(--qt-space-4)}.assessment-detail-modal-stats-row{margin-bottom:0}.assessment-detail-modal-stat-card,.assessment-detail-modal-panel{border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent);box-shadow:none;-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.assessment-detail-modal-stat-card{height:100%;padding:calc(var(--qt-space-4) + 2px) var(--qt-space-5)}.assessment-detail-modal-stat-card .ant-statistic,.assessment-detail-modal-stat-card .ant-statistic-content{color:var(--qt-text)}.assessment-detail-modal-stat-card .ant-statistic-content{font-weight:600}.assessment-detail-modal-panel{overflow:hidden}.assessment-detail-modal-base-card{margin-bottom:0}.assessment-detail-modal-panel-header{display:flex;align-items:center;justify-content:space-between;gap:var(--qt-space-3);padding:calc(var(--qt-space-4) + 2px) var(--qt-space-5);border-bottom:1px solid var(--qt-border-soft);background:color-mix(in srgb,var(--qt-shell-muted) 88%,transparent);font-weight:600;color:var(--qt-text)}.assessment-detail-modal-question-list{padding:0 var(--qt-space-5) var(--qt-space-5)}.assessment-detail-modal-question-item{padding:var(--qt-space-5) 0!important;border-block-end-color:var(--qt-border-soft)!important}.assessment-detail-modal-question-wrap{width:100%}.assessment-detail-modal-question-tags{margin-bottom:12px}.assessment-detail-modal-question-title{margin-bottom:14px!important;font-size:16px;color:var(--qt-text)}.assessment-detail-modal-options{display:flex;flex-direction:column;gap:var(--qt-space-3);padding:calc(var(--qt-space-4) - 2px);border:1px solid color-mix(in srgb,var(--qt-border-soft) 92%,transparent);border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-shell-muted) 82%,transparent)}.assessment-detail-modal-options-label{display:block;margin-bottom:0;font-size:var(--qt-font-size-caption);font-weight:600;letter-spacing:.08em;text-transform:uppercase}.assessment-detail-modal-options-list .ant-list-item{padding:10px 0!important;border-block-end-color:color-mix(in srgb,var(--qt-border-soft) 88%,transparent)!important}.assessment-detail-modal-option-item{display:flex;align-items:center;justify-content:space-between;gap:var(--qt-space-3)}.assessment-detail-modal-option-main{min-width:0}.assessment-detail-modal-option-icon{color:var(--qt-primary)}.assessment-detail-modal-empty{text-align:center;padding:56px 0;color:var(--qt-text-tertiary)}@media(max-width:768px){.assessment-detail-modal-stat-card,.assessment-detail-modal-panel-header,.assessment-detail-modal-question-list{padding-left:var(--qt-space-4);padding-right:var(--qt-space-4)}.assessment-detail-modal-stat-card{padding-top:var(--qt-space-4);padding-bottom:var(--qt-space-4)}.assessment-detail-modal-option-item{flex-direction:column;align-items:flex-start}}.assessment-edit-form-scroll{display:flex;flex-direction:column;gap:16px}.assessment-edit-form-card{margin-bottom:0}.assessment-edit-form-input-number{width:100%}.assessment-edit-form-question-text{margin-bottom:8px;color:var(--qt-text)}.assessment-edit-form-option-list{padding-left:16px;color:var(--qt-text-secondary)}.assessment-edit-form-empty{text-align:center;padding:40px 0;color:var(--qt-text-tertiary)}.assessment-edit-form-options-header{display:flex;align-items:center;margin-bottom:8px}.assessment-edit-form-options-title{font-weight:600;color:var(--qt-text)}.assessment-edit-form-options-add{margin-left:16px}.assessment-edit-form-option-row{display:flex;margin-bottom:8px;width:100%}.assessment-edit-form-option-text-item{margin-bottom:0!important;flex:1}.assessment-edit-form-option-score-item{margin-bottom:0!important;width:100px}.assessment-edit-form-editor-actions{margin-top:16px;text-align:right}.teacher-page{width:min(100%,var(--qt-content-max-shell));margin:0 auto;padding:0 0 var(--qt-space-7);display:flex;flex-direction:column;gap:var(--qt-space-5);--teacher-page-label-size: 13px;--teacher-page-icon-xl-size: 64px;--teacher-page-video-icon-size: 24px;--teacher-page-title-tablet-size: 48px;--teacher-page-title-mobile-size: 38px}.teacher-page-header{display:flex;flex-direction:column;gap:var(--qt-space-3);padding:4px 0 0;border:none;background:transparent;box-shadow:none}.teacher-page-header-row{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--qt-space-4);padding-bottom:0;border-bottom:none;flex-wrap:wrap}.teacher-page-header-content{display:flex;flex-direction:column;gap:var(--qt-space-3)}.teacher-page-header-actions{display:flex;align-items:center;gap:var(--qt-space-3);flex-wrap:wrap}.teacher-page-title{margin:0 0 var(--qt-space-2);font-size:clamp(2rem,3.1vw,2.75rem);line-height:1.08;font-weight:600;letter-spacing:var(--qt-letter-spacing-display);color:var(--qt-text)}.teacher-page-eyebrow{margin-bottom:calc(var(--qt-space-3) - 2px)}.teacher-page-subtitle{margin:0;max-width:820px;color:var(--qt-text-secondary);font-size:17px;line-height:var(--qt-line-height-body)}.teacher-filter-card,.teacher-report-container>.ant-card,.teacher-page>.ant-card{border-radius:var(--qt-radius-lg)}.teacher-page-header-content .ant-row,.teacher-page>.ant-row{margin-bottom:0!important}.teacher-page-header-content .ant-card,.teacher-page>.ant-row .ant-card,.teacher-page>.ant-card{background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent)!important;box-shadow:none!important;border:1px solid var(--qt-border-soft)!important;border-radius:var(--qt-radius-lg)!important;-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.teacher-page-header-content .ant-card .ant-card-body,.teacher-page>.ant-row .ant-card .ant-card-body,.teacher-page>.ant-card .ant-card-body{padding:calc(var(--qt-space-4) + 2px) var(--qt-space-5)!important}.teacher-filter-card{box-shadow:none;border:1px solid var(--qt-border-soft)!important;background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent)!important}.teacher-filter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:calc(var(--qt-space-4) - 2px) var(--qt-space-4)}.teacher-filter-group{display:flex;flex-direction:column;align-items:stretch;gap:var(--qt-space-2);min-width:0}.teacher-filter-label{color:var(--qt-text-secondary);font-size:var(--teacher-page-label-size);font-weight:600}.teacher-mb-16{margin-bottom:var(--qt-space-4)}.teacher-mb-24{margin-bottom:var(--qt-space-5)}.teacher-chart-box{min-height:320px;height:clamp(320px,38vw,400px)}.teacher-toolbar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:var(--qt-space-3)}.teacher-muted-caption{color:var(--qt-text-tertiary);font-size:var(--qt-font-size-caption)}.teacher-strong{font-weight:600}.teacher-state-center{display:flex;align-items:center;justify-content:center;min-height:60vh}.teacher-state-center-column{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--qt-space-4)}.teacher-report-container{max-width:1120px;margin:0 auto;padding:0 0 var(--qt-space-5);display:flex;flex-direction:column;gap:var(--qt-space-5)}.teacher-report-meta{display:flex;align-items:center;gap:calc(var(--qt-space-5) - 2px);margin-bottom:calc(var(--qt-space-5) - 2px)}.teacher-report-section-title{font-size:var(--qt-font-size-subtitle);line-height:1.16;font-weight:600;letter-spacing:var(--qt-letter-spacing-tight);margin-bottom:12px;color:var(--qt-text)}.teacher-suggestion-item{padding:calc(var(--qt-space-5) - 2px) var(--qt-space-5);background:color-mix(in srgb,var(--qt-shell-muted) 92%,transparent);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-md)}.teacher-inline-between{display:flex;justify-content:space-between;align-items:center;gap:var(--qt-space-3)}.teacher-inline-between-start{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--qt-space-4)}.teacher-column{display:flex;flex-direction:column;gap:calc(var(--qt-space-4) + 2px)}.teacher-form-label{display:block;margin-bottom:var(--qt-space-2);color:var(--qt-text-secondary);font-size:var(--teacher-page-label-size);font-weight:600}.teacher-content-preview{max-height:68px;overflow:hidden;text-overflow:ellipsis;margin-bottom:calc(var(--qt-space-3) - 2px)}.teacher-star-favorite{color:var(--qt-primary)}.teacher-danger-text{color:var(--qt-danger);font-size:var(--qt-font-size-caption)}.teacher-accent-primary{color:var(--qt-primary)}.teacher-accent-secondary{color:var(--qt-text-secondary)}.teacher-statistic-primary .ant-statistic-content{color:var(--qt-primary)!important}.teacher-statistic-secondary .ant-statistic-content{color:var(--qt-text-secondary)!important}.teacher-copy{color:var(--qt-text-secondary);line-height:1.7}.teacher-prewrap{line-height:1.8;white-space:pre-wrap;color:var(--qt-text)}.teacher-icon-xl{font-size:var(--teacher-page-icon-xl-size)}.teacher-media-cover{border-radius:calc(var(--qt-radius-lg) + 2px);object-fit:cover}.teacher-video-item{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--qt-space-4);padding:var(--qt-space-4) calc(var(--qt-space-4) + 2px);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-shell-elevated) 96%,transparent);box-shadow:none}.teacher-video-main{display:flex;gap:calc(var(--qt-space-4) - 2px);flex:1}.teacher-video-icon{font-size:var(--teacher-page-video-icon-size);color:var(--qt-primary);margin-top:4px}.teacher-detail-drawer .ant-drawer-content,.teacher-detail-modal .ant-modal-content,.report-viewer-modal .ant-modal-content,.report-comment-modal .ant-modal-content{background:color-mix(in srgb,var(--qt-shell-elevated) 96%,transparent);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.teacher-detail-drawer .ant-drawer-header,.teacher-detail-modal .ant-modal-header,.report-viewer-modal .ant-modal-header,.report-comment-modal .ant-modal-header{background:transparent}.teacher-detail-drawer-content{display:flex;flex-direction:column;gap:var(--qt-space-4)}.teacher-detail-hero{display:flex;flex-direction:column;align-items:flex-start;gap:var(--qt-space-3);padding:calc(var(--qt-space-5) - 2px);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 90%,transparent);box-shadow:none}.teacher-detail-hero .qt-section-title{margin:0}.teacher-detail-descriptions{overflow:hidden;border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent);box-shadow:none}.teacher-detail-descriptions .ant-descriptions-view{border-radius:inherit;overflow:hidden}.teacher-detail-descriptions .ant-descriptions-row>th,.teacher-detail-descriptions .ant-descriptions-row>td{border-color:var(--qt-border-soft)!important;padding:14px 16px!important}.teacher-detail-descriptions .ant-descriptions-row>th{width:112px;background:color-mix(in srgb,var(--qt-shell-muted) 90%,transparent)!important;font-weight:600}.teacher-detail-descriptions .ant-descriptions-row>td{background:transparent!important}.managed-user-detail-modal .ant-modal-body{padding-top:var(--qt-space-3)}.managed-user-more-action-row{flex-basis:100%}.managed-user-more-action-button.ant-btn{padding-inline:0;border:0;box-shadow:none}.managed-user-management-stats-row .stat-card{display:flex;height:92px;flex-direction:column;justify-content:center;padding:10px 12px}.managed-user-management-stats-row .stat-card-header{align-items:center;gap:8px;margin-bottom:6px}.managed-user-management-stats-row .stat-card-title{font-size:11px;line-height:1.2;letter-spacing:0}.managed-user-management-stats-row .stat-card-icon{width:24px;height:24px;font-size:13px}.managed-user-management-stats-row .stat-card-content{margin-bottom:4px}.managed-user-management-stats-row .stat-card-value{font-size:24px;line-height:1;letter-spacing:0}.managed-user-management-stats-row .stat-card-prefix,.managed-user-management-stats-row .stat-card-suffix,.managed-user-management-stats-row .stat-card-trend{font-size:11px;line-height:1.2}.managed-user-detail-modal-content{max-height:min(72vh,760px);overflow-y:auto;padding-right:4px}.managed-user-detail-hero{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center}.managed-user-detail-hero-main{display:flex;flex-direction:column;gap:var(--qt-space-2);min-width:0}.managed-user-detail-switch-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--qt-space-3)}.managed-user-detail-switch-card{display:flex;min-height:112px;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:var(--qt-space-2);padding:var(--qt-space-4);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent);color:var(--qt-text);text-align:left;letter-spacing:0;cursor:pointer;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease}.managed-user-detail-switch-card:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--qt-primary) 42%,var(--qt-border-soft));background:color-mix(in srgb,var(--qt-shell-elevated) 98%,transparent)}.managed-user-detail-switch-card:focus-visible{outline:3px solid var(--qt-focus-outline);outline-offset:2px}.managed-user-detail-switch-card.is-active{border-color:color-mix(in srgb,var(--qt-primary) 58%,var(--qt-border-soft));background:color-mix(in srgb,var(--qt-primary-soft) 58%,var(--qt-shell-elevated));box-shadow:0 10px 28px color-mix(in srgb,var(--qt-primary) 12%,transparent)}.managed-user-detail-switch-card span,.managed-user-detail-switch-card strong,.managed-user-detail-switch-card small{display:block;line-height:1.3}.managed-user-detail-switch-card span{font-weight:700}.managed-user-detail-switch-card strong{font-size:22px;font-weight:700}.managed-user-detail-switch-card small{color:var(--qt-text-secondary);font-size:12px}.managed-user-detail-section,.managed-user-detail-card-list,.managed-user-detail-inline-list{display:flex;flex-direction:column;gap:var(--qt-space-3)}.managed-user-detail-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--qt-space-3)}.managed-user-detail-section-heading .qt-section-title{font-size:18px;line-height:1.3;letter-spacing:0}.managed-user-detail-section-heading span{color:var(--qt-text-secondary);font-size:13px}.managed-user-detail-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--qt-space-3)}.managed-user-detail-summary-grid>div,.managed-user-detail-list-item{border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent);box-shadow:none}.managed-user-detail-summary-grid>div{display:flex;min-height:104px;flex-direction:column;justify-content:center;gap:4px;padding:var(--qt-space-4)}.managed-user-detail-summary-grid strong{color:var(--qt-text);font-size:26px;line-height:1.1}.managed-user-detail-summary-grid span{color:var(--qt-text);font-weight:600}.managed-user-detail-summary-grid small,.managed-user-detail-list-item span{color:var(--qt-text-secondary);font-size:12px}.managed-user-detail-inline-list h4{margin:0;color:var(--qt-text);font-size:15px;font-weight:700;line-height:1.4;letter-spacing:0}.managed-user-detail-list-item{display:flex;align-items:center;justify-content:space-between;gap:var(--qt-space-3);padding:calc(var(--qt-space-3) + 2px) var(--qt-space-4)}.managed-user-detail-list-item>div{display:flex;min-width:0;flex-direction:column;gap:4px}.managed-user-detail-list-item strong{overflow:hidden;color:var(--qt-text);text-overflow:ellipsis;white-space:nowrap}.teacher-analytics-page{gap:16px}.teacher-analytics-header,.teacher-analytics-chart-stack{display:flex;flex-direction:column;gap:16px}.teacher-analytics-filter-card{margin:0}.teacher-analytics-filter-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.teacher-analytics-action-group{justify-content:flex-end}.teacher-analytics-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-height:44px}.teacher-analytics-stats-row{margin:0!important}.teacher-analytics-stats-row>.ant-col{display:flex}.teacher-analytics-stats-row .teacher-stat-card,.teacher-analytics-stats-row .ant-card{width:100%}.teacher-analytics-table-card{margin-top:0}@media(max-width:1200px){.teacher-analytics-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){.teacher-page{width:100%;gap:var(--qt-space-4);padding-bottom:var(--qt-space-4)}.teacher-page-header{padding:0}.teacher-page-header-row,.teacher-inline-between-start{flex-direction:column;align-items:stretch}.teacher-filter-grid{grid-template-columns:1fr}.teacher-page-title{font-size:var(--teacher-page-title-mobile-size)}.teacher-chart-box{height:300px}.teacher-report-container{padding-bottom:var(--qt-space-4)}.teacher-detail-hero,.teacher-detail-descriptions .ant-descriptions-row>th,.teacher-detail-descriptions .ant-descriptions-row>td{padding:14px!important}.teacher-detail-descriptions .ant-descriptions-row>th{width:96px}.managed-user-detail-modal .ant-modal{max-width:calc(100vw - 24px)}.managed-user-detail-modal-content{max-height:74vh;padding-right:0}.managed-user-detail-hero,.managed-user-detail-switch-grid,.managed-user-detail-summary-grid{grid-template-columns:1fr}.managed-user-detail-switch-card{min-height:92px}.managed-user-detail-section-heading,.managed-user-detail-list-item{align-items:flex-start;flex-direction:column}.managed-user-detail-list-item{gap:var(--qt-space-2)}.teacher-analytics-page,.teacher-analytics-header,.teacher-analytics-chart-stack{gap:14px}.teacher-analytics-filter-grid{grid-template-columns:1fr}.teacher-analytics-actions{width:100%;justify-content:stretch;flex-wrap:wrap}.teacher-analytics-actions .ant-btn{flex:1 1 calc(50% - 6px)}}.teacher-dashboard{gap:var(--qt-space-5);--teacher-dashboard-meta-size: 13px;--teacher-dashboard-name-size: 15px;--teacher-dashboard-mobile-title-size: 38px}.teacher-dashboard-state{min-height:72vh}.teacher-dashboard-hero{padding-bottom:0}.teacher-dashboard-kicker{display:inline-block;font-size:var(--qt-font-size-nano);font-weight:600;letter-spacing:var(--qt-letter-spacing-caps);text-transform:uppercase;color:var(--qt-primary)}.teacher-dashboard-hero .teacher-page-title{margin-bottom:calc(var(--qt-space-3) - 2px)}.teacher-dashboard-hero .teacher-page-subtitle{max-width:680px}.teacher-dashboard-header-actions{display:flex;align-items:center;gap:calc(var(--qt-space-3) - 2px);flex-wrap:wrap;justify-content:flex-end}.teacher-dashboard-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:calc(var(--qt-space-4) - 2px)}.teacher-dashboard-content{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(320px,1fr);gap:var(--qt-space-4)}.teacher-dashboard-activity,.teacher-dashboard-alert-card{background:var(--qt-shell-elevated);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);box-shadow:none}.teacher-dashboard-activity{padding:var(--qt-space-5)}.teacher-dashboard-activity-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--qt-space-4);padding-bottom:calc(var(--qt-space-5) - 2px);border-bottom:1px solid var(--qt-border-soft)}.teacher-dashboard-activity-header h2{margin:0;font-size:var(--qt-font-size-title);font-weight:600;letter-spacing:var(--qt-letter-spacing-tight);color:var(--qt-text)}.teacher-dashboard-inline-link{padding-inline:0!important;color:var(--qt-link)!important}.teacher-dashboard-activity-list{display:flex;flex-direction:column}.teacher-dashboard-activity-item{display:flex;align-items:center;gap:calc(var(--qt-space-4) - 2px);padding:calc(var(--qt-space-4) + 2px) 0;border-bottom:1px solid var(--qt-border-soft);background:transparent}.teacher-dashboard-activity-item:last-child{border-bottom:none}.teacher-dashboard-activity-avatar{width:44px;height:44px;border-radius:var(--qt-radius-pill);display:flex;align-items:center;justify-content:center;font-size:var(--qt-font-size-body-lg);flex-shrink:0}.teacher-dashboard-activity-avatar.primary{background:var(--qt-primary-soft);color:var(--qt-primary)}.teacher-dashboard-activity-avatar.neutral{background:var(--qt-shell-muted);color:var(--qt-text-secondary)}.teacher-dashboard-activity-name{font-size:var(--teacher-dashboard-name-size);font-weight:600;color:var(--qt-text);margin-bottom:var(--qt-space-1)}.teacher-dashboard-activity-desc,.teacher-dashboard-activity-time,.teacher-dashboard-chart-note,.teacher-dashboard-alert-text{color:var(--qt-text-secondary)}.teacher-dashboard-activity-content{min-width:0;flex:1}.teacher-dashboard-activity-meta{text-align:right;flex-shrink:0}.teacher-dashboard-activity-value{font-size:var(--teacher-dashboard-meta-size);font-weight:600;color:var(--qt-text);margin-bottom:var(--qt-space-1)}.teacher-dashboard-sidebar{display:flex;flex-direction:column;gap:var(--qt-space-4)}.teacher-dashboard-chart{height:320px;width:100%}.teacher-dashboard-chart-note{margin-top:calc(var(--qt-space-4) - 2px);font-size:var(--teacher-dashboard-meta-size)}.teacher-dashboard-alert-card{padding:var(--qt-space-5)}.teacher-dashboard-alert-header{display:flex;align-items:center;gap:calc(var(--qt-space-3) - 2px);margin-bottom:calc(var(--qt-space-5) - 2px);padding-bottom:calc(var(--qt-space-5) - 2px);border-bottom:1px solid var(--qt-border-soft);color:var(--qt-primary)}.teacher-dashboard-alert-header h3{margin:0;font-size:calc(var(--qt-font-size-body-lg) + 3px);font-weight:600}.teacher-dashboard-alert-list{display:flex;flex-direction:column;gap:calc(var(--qt-space-4) - 2px);margin-bottom:calc(var(--qt-space-5) + 2px)}.teacher-dashboard-alert-item{display:flex;align-items:flex-start;gap:var(--qt-space-3)}.teacher-dashboard-alert-dot{width:8px;height:8px;margin-top:calc(var(--qt-space-2) - 1px);border-radius:50%;background:var(--qt-primary);flex-shrink:0}.teacher-dashboard-alert-btn{background:var(--qt-shell-elevated)!important}@media(max-width:1200px){.teacher-dashboard-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:1024px){.teacher-dashboard-content{grid-template-columns:1fr}}@media(max-width:768px){.teacher-dashboard-hero .teacher-page-title{font-size:var(--teacher-dashboard-mobile-title-size)}.teacher-dashboard-stats{grid-template-columns:1fr}.teacher-dashboard-activity,.teacher-dashboard-alert-card{padding:calc(var(--qt-space-4) + 2px)}.teacher-dashboard-activity-item{align-items:flex-start}.teacher-dashboard-activity-meta{min-width:72px}}.teacher-search-page{gap:var(--qt-space-5)}.teacher-search-panel,.teacher-search-list{border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.teacher-search-panel{padding:var(--qt-space-6)}.teacher-search-sections{display:flex;flex-direction:column;gap:var(--qt-space-5)}.teacher-search-section{display:flex;flex-direction:column;gap:var(--qt-space-4)}.teacher-search-section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:calc(var(--qt-space-4) - 2px)}.teacher-search-section-label{margin:0 0 8px;color:var(--qt-text-tertiary);font-size:var(--qt-font-size-caption);font-weight:600;text-transform:uppercase;letter-spacing:var(--qt-letter-spacing-caps)}.teacher-search-section-title{margin:0;color:var(--qt-text);font-size:var(--qt-font-size-title);line-height:1.12;font-weight:600;letter-spacing:var(--qt-letter-spacing-tight)}.teacher-search-list{overflow:hidden}.teacher-search-item{display:flex;width:100%;align-items:center;justify-content:space-between;gap:calc(var(--qt-space-4) - 2px);padding:calc(var(--qt-space-4) + 2px) var(--qt-space-5);border:none;border-bottom:1px solid var(--qt-border-soft);background:transparent;text-align:left}.teacher-search-item:last-child{border-bottom:none}.teacher-search-item--interactive{cursor:pointer;transition:background-color .2s ease,transform .2s ease}.teacher-search-item--interactive:hover{background:color-mix(in srgb,var(--qt-shell-muted) 92%,transparent)}.teacher-search-item--interactive:focus-visible{outline:2px solid color-mix(in srgb,var(--qt-primary) 32%,transparent);outline-offset:-2px}.teacher-search-item-main{display:flex;min-width:0;align-items:center;gap:var(--qt-space-4)}.teacher-search-item-icon{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;background:color-mix(in srgb,var(--qt-primary-soft) 78%,#ffffff);color:var(--qt-primary);font-size:18px}.teacher-search-copy{min-width:0}.teacher-search-item-title-row{display:flex;align-items:center;gap:var(--qt-space-3)}.teacher-search-item-title{margin:0;color:var(--qt-text);font-size:var(--qt-font-size-body-lg);line-height:1.2;font-weight:600}.teacher-search-item-meta{margin:8px 0 0;color:var(--qt-text-secondary);font-size:var(--qt-font-size-body)}.teacher-search-arrow{color:var(--qt-text-tertiary);font-size:14px}.teacher-search-state{min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:calc(var(--qt-space-4) - 2px)}@media(max-width:992px){.teacher-search-section-header,.teacher-search-item-title-row{flex-direction:column;align-items:flex-start}}@media(max-width:768px){.teacher-search-panel{padding:18px}}.secure-image-state{width:var(--secure-image-width, auto);height:var(--secure-image-height, auto);min-height:72px;display:flex;align-items:center;justify-content:center;background:var(--qt-shell-muted);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-sm);overflow:hidden}.secure-image-state-error{color:var(--qt-text-tertiary)}.secure-image-fallback-image{width:100%;height:100%;object-fit:cover}.secure-image-fallback-icon{font-size:48px}.teacher-page-empty{text-align:center}.teacher-page-empty h2{margin-bottom:16px;color:var(--qt-text)}.teacher-course-detail-cover{border-radius:12px;overflow:hidden}.teacher-course-edit-page{width:min(100%,1200px);gap:20px}.teacher-course-edit-back{align-self:flex-start}.teacher-course-edit-shell{display:flex;flex-direction:column;gap:20px}.teacher-course-edit-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(320px,.9fr);gap:20px;align-items:start}.teacher-course-edit-card{overflow:hidden;border-radius:var(--qt-radius-xl)!important}.teacher-course-edit-card .ant-card-body{padding:0!important}.teacher-course-edit-card--hero .ant-card-body,.teacher-course-edit-card--main .ant-card-body,.teacher-course-edit-card--aside .ant-card-body,.teacher-course-edit-card--videos .ant-card-body{padding:28px!important}.teacher-course-edit-hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.9fr);gap:28px;align-items:stretch}.teacher-course-edit-hero-copy{display:flex;flex-direction:column;gap:12px}.teacher-course-edit-kicker,.teacher-course-edit-section-label{color:var(--qt-text-secondary);font-size:12px;line-height:1.33;letter-spacing:.12em;text-transform:uppercase}.teacher-course-edit-hero-title,.teacher-course-edit-section-title{margin:0;color:var(--qt-text);letter-spacing:var(--qt-letter-spacing-display)}.teacher-course-edit-hero-title{font-size:clamp(2rem,3.2vw,2.8rem);line-height:1.08;font-weight:600}.teacher-course-edit-hero-text,.teacher-course-edit-section-hint,.teacher-course-edit-note-text,.teacher-course-edit-upload-caption{margin:0;color:var(--qt-text-secondary);font-size:15px;line-height:1.6}.teacher-course-edit-hero-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.teacher-course-edit-metric{padding:18px 20px;border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 88%,transparent);display:flex;flex-direction:column;gap:8px}.teacher-course-edit-metric-label{color:var(--qt-text-secondary);font-size:13px;line-height:1.4}.teacher-course-edit-metric-value{color:var(--qt-text);font-size:clamp(1.4rem,2vw,1.85rem);line-height:1.1;font-weight:600;letter-spacing:var(--qt-letter-spacing-tight)}.teacher-course-edit-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--qt-border-soft)}.teacher-course-edit-section-head--compact{margin-bottom:16px}.teacher-course-edit-section-title{font-size:28px;line-height:1.14;font-weight:600}.teacher-course-edit-stack{display:flex;flex-direction:column;gap:20px}.teacher-course-edit-form{display:block}.teacher-course-edit-form .ant-form-item{margin-bottom:0}.teacher-course-edit-form-item--full{width:100%}.teacher-course-edit-meta-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.teacher-course-edit-cover-panel{display:flex;flex-direction:column;gap:18px}.teacher-course-edit-cover-upload .image-upload-container{display:block;width:100%}.teacher-course-edit-cover-upload .ant-upload-select,.teacher-course-edit-cover-upload .ant-upload-list-item-container,.teacher-course-edit-cover-upload .ant-upload-list-item{width:100%!important;max-width:100%;height:210px!important}.teacher-course-edit-cover-upload .ant-upload-select{border:1px dashed var(--qt-border-soft)!important;border-radius:var(--qt-radius-xl)!important;background:color-mix(in srgb,var(--qt-shell-muted) 92%,transparent)!important;color:var(--qt-text-secondary)}.teacher-course-edit-cover-upload .ant-upload-list-item{border-radius:var(--qt-radius-xl)!important;overflow:hidden}.teacher-course-edit-cover-upload .ant-upload-select:hover{border-color:var(--qt-primary)!important;color:var(--qt-primary)}.teacher-course-edit-upload-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px}.teacher-course-edit-note{padding:18px 20px;border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 88%,transparent)}.teacher-course-edit-note-title{margin-bottom:8px;color:var(--qt-text);font-size:15px;line-height:1.4;font-weight:600}.teacher-course-edit-actions{margin-top:20px;padding-top:20px;border-top:1px solid var(--qt-border-soft)}.teacher-course-edit-actions .ant-form-item-control-input-content{display:flex;justify-content:flex-start}.teacher-course-edit-video-shell{display:flex;flex-direction:column;gap:20px}.teacher-course-edit-upload-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 88%,transparent)}.teacher-course-edit-video-input{display:none}.teacher-course-edit-upload-caption{max-width:520px;text-align:right}.teacher-course-edit-upload-progress{display:flex;flex-direction:column;gap:12px}.teacher-course-edit-progress-item{padding:16px 18px;border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 88%,transparent)}.teacher-course-edit-progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;color:var(--qt-text-secondary);font-size:13px;line-height:1.4}.teacher-course-edit-empty{padding:36px 24px;border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 88%,transparent);color:var(--qt-text-secondary);font-size:17px;line-height:1.47;text-align:center}.teacher-course-edit-video-list{gap:14px}.teacher-course-edit-video-item{padding:18px 20px;border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 82%,transparent)}.teacher-course-edit-video-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.teacher-course-edit-video-item .ant-btn-link{align-self:center}.teacher-course-edit-video-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}@media(max-width:1100px){.teacher-course-edit-grid,.teacher-course-edit-hero{grid-template-columns:1fr}}@media(max-width:900px){.teacher-course-edit-meta-grid{grid-template-columns:1fr}.teacher-course-edit-section-head,.teacher-course-edit-upload-bar,.teacher-course-edit-video-head{flex-direction:column;align-items:flex-start}.teacher-course-edit-upload-caption{max-width:none;text-align:left}}@media(max-width:768px){.teacher-course-edit-card--hero .ant-card-body,.teacher-course-edit-card--main .ant-card-body,.teacher-course-edit-card--aside .ant-card-body,.teacher-course-edit-card--videos .ant-card-body{padding:20px!important}.teacher-course-edit-hero-metrics{grid-template-columns:1fr}.teacher-course-edit-actions .ant-space{width:100%}.teacher-course-edit-actions .ant-space-item{flex:1 1 0}.teacher-course-edit-actions .ant-btn{width:100%}.teacher-course-edit-video-item{flex-direction:column}.teacher-course-edit-video-actions{width:100%;justify-content:flex-start}}.rich-text-editor-container{position:relative}.rich-text-editor-container .quill{background:var(--qt-shell-elevated);border-radius:12px;overflow:hidden}.rich-text-editor-container .ql-toolbar{border:1px solid var(--qt-border);border-bottom:none;background:var(--qt-shell-muted)}.rich-text-editor-container .ql-container{border:1px solid var(--qt-border);font-size:14px;font-family:var(--qt-font-family);color:var(--qt-text)}.rich-text-editor-container .ql-editor{min-height:200px;max-height:600px;overflow-y:auto;padding:12px 15px;line-height:1.6;color:var(--qt-text);background:var(--qt-shell-elevated)}.rich-text-editor-container .ql-editor.ql-blank:before{color:var(--qt-text-tertiary);font-style:normal}.rich-text-editor-container .ql-container.ql-disabled{background:var(--qt-shell-muted)}.rich-text-editor-container .ql-toolbar.ql-disabled{display:none}.rich-text-editor-footer{display:flex;justify-content:flex-end;padding:8px 12px;border:1px solid var(--qt-border);border-top:none;border-radius:0 0 12px 12px;background:var(--qt-shell-muted);margin-top:-1px}.word-count{font-size:12px;color:var(--qt-text-tertiary)}.rich-text-editor-container .ql-toolbar button{transition:all .3s}.rich-text-editor-container .ql-toolbar button:hover,.rich-text-editor-container .ql-toolbar button.ql-active{color:var(--qt-primary)}.rich-text-editor-container .ql-picker-label{transition:all .3s;color:var(--qt-text-secondary)}.rich-text-editor-container .ql-picker-label:hover{color:var(--qt-primary)}.rich-text-editor-container .ql-editor img{max-width:100%;height:auto;border-radius:11px;margin:8px 0}.rich-text-editor-container .ql-editor pre.ql-syntax{background:var(--qt-shell-muted);border:1px solid var(--qt-border);border-radius:11px;padding:12px;overflow-x:auto}.rich-text-editor-container .ql-editor blockquote{border-left:1px solid var(--qt-primary);padding-left:16px;margin:8px 0;color:var(--qt-text-secondary)}.rich-text-editor-container .ql-editor a{color:var(--qt-primary);text-decoration:none}.rich-text-editor-container .ql-editor a:hover{text-decoration:underline}@media(max-width:768px){.rich-text-editor-container .ql-toolbar{padding:4px}.rich-text-editor-container .ql-editor{min-height:150px;font-size:13px}.rich-text-editor-container .ql-toolbar .ql-font,.rich-text-editor-container .ql-toolbar .ql-size,.rich-text-editor-container .ql-toolbar .ql-script{display:none}}.rich-text-editor-container .ql-editor::-webkit-scrollbar{width:6px}.rich-text-editor-container .ql-editor::-webkit-scrollbar-thumb{background:var(--qt-border);border-radius:3px}.rich-text-editor-container .ql-editor::-webkit-scrollbar-thumb:hover{background:var(--qt-text-tertiary)}.teacher-toolbox-tabs{background:var(--qt-shell-elevated)!important;border:1px solid var(--qt-border-soft)!important;box-shadow:none!important;--teacher-toolbox-action-margin: calc(var(--qt-space-3) - 2px);--teacher-toolbox-title-size: 21px}.teacher-toolbox-tabs .ant-card-body{padding:calc(var(--qt-space-4) + 2px) var(--qt-space-5)}.teacher-toolbox-grid{row-gap:var(--qt-space-4)}.teacher-toolbox-card{height:100%;background:var(--qt-shell-elevated)!important;border:1px solid var(--qt-border-soft)!important;box-shadow:none!important;border-radius:var(--qt-radius-lg)!important}.teacher-toolbox-card .ant-card-body{display:flex;flex-direction:column;gap:var(--qt-space-4);min-height:208px}.teacher-toolbox-card .ant-card-actions{background:var(--qt-shell-elevated);border-top:1px solid var(--qt-border-soft)}.teacher-toolbox-card .ant-card-actions>li{margin:var(--teacher-toolbox-action-margin) 0}.teacher-toolbox-card .ant-card-actions .ant-btn{min-width:0;padding-inline:10px}.teacher-toolbox-card .ant-card-meta{height:100%}.teacher-toolbox-card .ant-card-meta-detail{display:flex;flex-direction:column;gap:var(--qt-space-3)}.teacher-toolbox-card-title{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--qt-space-3)}.teacher-toolbox-card-title-text{font-size:var(--teacher-toolbox-title-size);line-height:1.2;font-weight:600;letter-spacing:-.03em;color:var(--qt-text)}.teacher-toolbox-card-body{display:flex;flex-direction:column;gap:var(--qt-space-3);min-height:116px}.teacher-toolbox-card-content{color:var(--qt-text-secondary);line-height:1.65}.teacher-toolbox-card-meta{display:flex;flex-direction:column;gap:6px;margin-top:auto}@media(max-width:768px){.teacher-toolbox-card .ant-card-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}.teacher-notification-page{gap:20px;--teacher-notification-icon-size: 22px}.teacher-notification-panel{padding:24px;border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 94%,transparent);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.teacher-notification-panel .ant-tabs-nav{margin-bottom:var(--qt-space-4)}.teacher-notification-title-row{display:inline-flex;align-items:center;gap:var(--qt-space-3)}.teacher-notification-list{display:flex;flex-direction:column;gap:12px}.teacher-notification-item{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--qt-space-4);padding:calc(var(--qt-space-4) + 2px) calc(var(--qt-space-4) + 2px);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-muted) 92%,transparent)}.teacher-notification-item--unread{position:relative;background:color-mix(in srgb,var(--qt-primary-soft) 28%,var(--qt-shell-elevated))}.teacher-notification-item--unread:before{content:"";position:absolute;left:12px;top:14px;bottom:14px;width:2px;border-radius:var(--qt-radius-pill);background:var(--qt-primary)}.teacher-notification-main{display:flex;gap:calc(var(--qt-space-4) - 2px);flex:1;min-width:0}.teacher-notification-icon{font-size:var(--teacher-notification-icon-size);color:var(--qt-primary);margin-top:calc(var(--qt-space-1) / 2)}.teacher-notification-content{flex:1;min-width:0}.teacher-notification-title{font-weight:600;color:var(--qt-text)}.teacher-notification-title--unread{font-weight:700}.teacher-notification-text{margin:var(--qt-space-2) 0;color:var(--qt-text-secondary);line-height:1.7}.teacher-notification-time{font-size:var(--qt-font-size-caption);color:var(--qt-text-secondary)}.teacher-notification-actions{align-items:center}.teacher-notification-empty{min-height:240px;display:flex;align-items:center;justify-content:center}.teacher-notification-settings-group{width:100%}.teacher-notification-settings-row{display:flex;justify-content:space-between;align-items:center;gap:var(--qt-space-3);padding:10px 0}@media(max-width:768px){.teacher-notification-page{padding-bottom:var(--qt-space-4)}.teacher-notification-panel{padding:18px}.teacher-notification-item{flex-direction:column}.teacher-notification-item--unread:before{left:10px}.teacher-notification-actions{width:100%;justify-content:flex-end}}.teacher-settings-page{width:min(100%,1180px);display:flex;flex-direction:column;gap:var(--qt-space-4)}.teacher-settings-loading{min-height:220px}.teacher-settings-panel{padding:calc(var(--qt-space-5) + 2px);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 96%,transparent);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.teacher-settings-panel--muted{background:color-mix(in srgb,var(--qt-shell-muted) 94%,transparent)}.teacher-settings-identity{display:flex;align-items:center;gap:18px;min-width:0}.teacher-settings-avatar-shell{display:inline-flex;width:88px;height:88px;align-items:center;justify-content:center;overflow:hidden;flex:none;border-radius:22px;background:color-mix(in srgb,var(--qt-shell-muted) 92%,transparent);color:var(--qt-primary)}.teacher-settings-avatar-image{width:100%;height:100%;object-fit:cover}.teacher-settings-avatar-fallback{font-size:34px}.teacher-settings-identity-copy{min-width:0}.teacher-settings-identity-name{color:var(--qt-text);font-size:30px;line-height:1.05;font-weight:600;letter-spacing:var(--qt-letter-spacing-display)}.teacher-settings-identity-account{margin-top:8px;color:var(--qt-text-secondary);font-size:15px}.teacher-settings-identity-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:14px;color:var(--qt-text-tertiary);font-size:13px}.teacher-settings-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.88fr);gap:16px}.teacher-settings-side{display:flex;flex-direction:column;gap:16px}.teacher-settings-section{min-width:0}.teacher-settings-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.teacher-settings-section-title{margin:0;color:var(--qt-text);font-size:20px;line-height:1.2;font-weight:600;letter-spacing:-.03em}.teacher-settings-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.teacher-settings-page .ant-form-item{margin-bottom:18px}.teacher-settings-page .ant-form-item-label>label{color:var(--qt-text-secondary);font-size:13px;font-weight:600}.teacher-settings-avatar-upload{display:flex;flex-direction:column;gap:12px}.teacher-settings-actions{margin-bottom:0!important;padding-top:6px}.teacher-settings-actions .ant-form-item-control-input-content{display:flex;justify-content:flex-end}.teacher-settings-list{display:flex;flex-direction:column}.teacher-settings-list-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid color-mix(in srgb,var(--qt-border-soft) 72%,transparent)}.teacher-settings-list-item:first-child{padding-top:0}.teacher-settings-list-item:last-child{padding-bottom:0;border-bottom:none}.teacher-settings-list-copy{min-width:0}.teacher-settings-list-title{color:var(--qt-text);font-size:15px;font-weight:600;line-height:1.3}.teacher-settings-list-text{margin-top:6px;color:var(--qt-text-secondary);font-size:13px;line-height:1.6}.teacher-settings-membership-block{display:flex;flex-direction:column;gap:14px}.teacher-settings-membership-head,.teacher-settings-order-result-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;min-width:0}.teacher-settings-membership-copy{min-width:0}.teacher-settings-membership-divider{height:1px;margin:16px 0;background:color-mix(in srgb,var(--qt-border-soft) 78%,transparent)}.teacher-settings-order-lookup{display:flex;flex-direction:column;gap:10px}.teacher-settings-order-search{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.teacher-settings-order-empty{display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px 0 4px;text-align:center}.teacher-settings-order-result,.teacher-settings-note-stack{display:flex;flex-direction:column;gap:12px}.teacher-settings-note,.teacher-settings-password-tip{display:flex;align-items:flex-start;gap:14px;padding:16px;border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-shell-bg) 92%,transparent)}.teacher-settings-note-icon{margin-top:2px;color:var(--qt-primary);font-size:18px}.teacher-settings-password-tip{margin-bottom:18px}.teacher-settings-qr-state{display:flex;min-height:260px;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center}@media(max-width:1024px){.teacher-settings-grid{grid-template-columns:1fr}}@media(max-width:768px){.teacher-settings-page{width:100%;gap:14px}.teacher-settings-panel{padding:18px}.teacher-settings-identity{align-items:flex-start;gap:16px}.teacher-settings-form-grid{grid-template-columns:1fr}.teacher-settings-list-item{flex-direction:column;align-items:flex-start}.teacher-settings-membership-head,.teacher-settings-order-result-head{flex-direction:column}.teacher-settings-order-search{grid-template-columns:1fr}.teacher-settings-actions .ant-btn{width:100%}}.teacher-help-page{width:min(100%,1180px);display:flex;flex-direction:column;gap:var(--qt-space-4)}.teacher-help-panel{padding:calc(var(--qt-space-5) + 2px);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 96%,transparent);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.teacher-help-panel--muted{background:color-mix(in srgb,var(--qt-shell-muted) 94%,transparent)}.teacher-help-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.teacher-help-panel-title,.teacher-help-result-title{margin:0;color:var(--qt-text);font-size:20px;font-weight:600;line-height:1.2;letter-spacing:-.03em}.teacher-help-top-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.82fr);gap:16px}.teacher-help-search-panel{display:flex;flex-direction:column;gap:16px}.teacher-help-search-input{width:100%}.teacher-help-search-input.ant-input-affix-wrapper{min-height:52px;padding:0 18px!important}.teacher-help-search-input .ant-input-prefix{margin-right:12px;color:var(--qt-primary)}.teacher-help-chip-row{display:flex;flex-wrap:wrap;gap:10px}.teacher-help-chip{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:11px;background:color-mix(in srgb,var(--qt-shell-muted) 92%,transparent)}.teacher-help-chip-icon,.teacher-help-section-icon,.teacher-help-contact-icon{display:inline-flex;align-items:center;justify-content:center;color:var(--qt-primary)}.teacher-help-chip-label{color:var(--qt-text);font-size:13px;font-weight:600}.teacher-help-contact-list{display:flex;flex-direction:column;gap:12px}.teacher-help-contact-item{display:flex;min-width:0;flex-direction:column;gap:6px;padding:14px 16px;border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-shell-bg) 92%,transparent)}.teacher-help-contact-item--compact{flex-direction:row;align-items:center;gap:12px}.teacher-help-contact-title{color:var(--qt-text);font-size:14px;font-weight:600}.teacher-help-contact-text{color:var(--qt-text-secondary);font-size:13px;line-height:1.6}.teacher-help-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}.teacher-help-results-panel,.teacher-help-section-panel{min-height:100%}.teacher-help-section-head,.teacher-help-result-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.teacher-help-section-title{display:inline-flex;align-items:center;gap:10px;color:var(--qt-text);font-size:18px;font-weight:600}.teacher-help-section-icon{width:34px;height:34px;border-radius:999px;background:color-mix(in srgb,var(--qt-primary-soft) 76%,#ffffff)}.teacher-help-section-description{margin:10px 0 14px;color:var(--qt-text-secondary);font-size:13px;line-height:1.65}.teacher-help-browse-list{display:flex;flex-direction:column;gap:10px}.teacher-help-browse-row{width:100%;padding:16px 18px;border:1px solid color-mix(in srgb,var(--qt-border-soft) 74%,transparent);border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-shell-bg) 94%,transparent);text-align:left;transition:border-color .2s ease,background-color .2s ease,transform .2s ease}.teacher-help-browse-row:hover{border-color:color-mix(in srgb,var(--qt-primary) 14%,var(--qt-border-soft));background:color-mix(in srgb,var(--qt-shell-bg) 98%,transparent);transform:translateY(-1px)}.teacher-help-browse-row:focus-visible{outline:2px solid color-mix(in srgb,var(--qt-primary) 84%,#ffffff);outline-offset:2px;border-color:color-mix(in srgb,var(--qt-primary) 22%,var(--qt-border-soft))}.teacher-help-browse-row-main{display:flex;flex-direction:column;gap:10px}.teacher-help-browse-row-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.teacher-help-browse-row-title{color:var(--qt-text);font-size:15px;font-weight:600;line-height:1.45;letter-spacing:-.02em}.teacher-help-browse-row-arrow{flex:none;color:var(--qt-primary);font-size:12px;font-weight:600;line-height:1.4}.teacher-help-browse-row-summary{color:var(--qt-text-secondary);font-size:13px;line-height:1.65}.teacher-help-browse-row-tags{display:flex;flex-wrap:wrap;gap:8px}.teacher-help-browse-list--search{gap:12px;margin-top:14px}.teacher-help-browse-list--search .teacher-help-browse-row{background:color-mix(in srgb,var(--qt-shell-bg) 96%,transparent)}.teacher-help-empty-panel{min-height:220px;display:flex;align-items:center;justify-content:center}.teacher-help-detail-modal .ant-modal-header{padding:20px 24px 0;border-bottom:none;background:transparent}.teacher-help-detail-modal .ant-modal-title{color:var(--qt-text);font-size:18px;font-weight:600;line-height:1.35}.teacher-help-detail-modal .ant-modal-body{padding:16px 24px 24px}.teacher-help-detail-shell{display:flex;flex-direction:column;gap:18px}.teacher-help-detail-meta{display:flex;flex-wrap:wrap;gap:8px}.teacher-help-detail-content{color:var(--qt-text);font-size:14px;line-height:1.75}.teacher-help-detail-content h3,.teacher-help-detail-content p,.teacher-help-detail-content li{color:var(--qt-text)}.teacher-help-detail-content h3{margin:0 0 10px;font-size:16px;font-weight:600;line-height:1.4}.teacher-help-detail-content p,.teacher-help-detail-content ol,.teacher-help-detail-content ul{margin:0 0 12px}.teacher-help-detail-content ol,.teacher-help-detail-content ul{padding-left:18px}@media(max-width:1024px){.teacher-help-top-grid,.teacher-help-sections{grid-template-columns:1fr}}@media(max-width:768px){.teacher-help-page{width:100%;gap:14px}.teacher-help-panel{padding:18px}.teacher-help-browse-row-head{flex-direction:column;align-items:flex-start}.teacher-help-chip-row{flex-direction:column;align-items:stretch}.teacher-help-chip{justify-content:space-between}.teacher-help-browse-row{padding:14px 16px}.teacher-help-detail-modal{max-width:calc(100vw - 24px)}.teacher-help-detail-modal .ant-modal-header,.teacher-help-detail-modal .ant-modal-body{padding-left:18px;padding-right:18px}}.admin-module-panel{display:flex;flex-direction:column;gap:var(--qt-space-4);padding:var(--qt-space-4);border-radius:var(--qt-radius-lg);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.admin-module-panel,.admin-kpi-card,.admin-detail-card{border:1px solid var(--qt-border-soft);background:color-mix(in srgb,var(--qt-shell-elevated) 96%,transparent)}.admin-module-panel--muted{background:color-mix(in srgb,var(--qt-shell-muted) 94%,transparent)}.admin-panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--qt-space-3);flex-wrap:wrap}.admin-panel-header-copy{display:flex;flex-direction:column;gap:6px;min-width:0}.admin-panel-title{margin:0;font-size:18px;line-height:1.2;font-weight:600;color:var(--qt-text)}.admin-panel-subtitle,.admin-inline-hint{margin:0;color:var(--qt-text-secondary);font-size:var(--qt-font-size-caption);line-height:1.6}.admin-panel-actions{display:flex;align-items:center;justify-content:flex-end;gap:var(--qt-space-2);flex-wrap:wrap}.admin-table-shell{min-width:0;overflow-x:auto}.admin-table-shell .ant-table{min-width:100%}.admin-state-block{display:flex;align-items:center;justify-content:center;min-height:220px;flex-direction:column;gap:var(--qt-space-3)}.admin-state-action{display:flex;justify-content:center}.admin-kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--qt-space-3)}.admin-kpi-card{display:flex;flex-direction:column;gap:6px;padding:var(--qt-space-3);border-radius:var(--qt-radius-md)}.admin-kpi-label{color:var(--qt-text-secondary);font-size:var(--qt-font-size-caption)}.admin-kpi-value{color:var(--qt-text);font-size:24px;font-weight:600;line-height:1.1}.admin-kpi-meta,.admin-meta-line{color:var(--qt-text-tertiary);font-size:var(--qt-font-size-caption);line-height:1.5}.admin-code-chip{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:var(--qt-radius-pill);border:1px solid var(--qt-border-soft);background:var(--qt-shell-muted);color:var(--qt-text-secondary);font-size:var(--qt-font-size-caption);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:0;word-break:break-all}.admin-code-inline{display:inline-block;max-width:100%;color:var(--qt-text-secondary);font-size:var(--qt-font-size-caption);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:0;word-break:break-all}.admin-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:0;word-break:break-all}.admin-link-button{padding:0;border:0;background:transparent;color:var(--qt-primary);cursor:pointer;font:inherit;text-align:left}.admin-link-button:hover{text-decoration:underline}.admin-detail-stack{display:flex;flex-direction:column;gap:var(--qt-space-3)}.admin-detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--qt-space-3)}.admin-detail-card{display:flex;flex-direction:column;gap:8px;padding:var(--qt-space-3);border-radius:var(--qt-radius-md)}.admin-detail-card-title{font-size:var(--qt-font-size-caption);color:var(--qt-text-secondary)}.admin-detail-card-value{color:var(--qt-text);font-size:16px;font-weight:600;line-height:1.4;word-break:break-word}.admin-manual-vip-duration-row{display:flex;align-items:center;gap:var(--qt-space-2);margin-top:var(--qt-space-2)}.admin-manual-vip-duration-input{width:160px}.admin-toolbar-grid{display:flex;flex-wrap:wrap;gap:var(--qt-space-3);align-items:center}.admin-toolbar-grid .ant-input-search{width:280px;max-width:100%}.admin-toolbar-grid .admin-account-search{width:560px}.admin-toolbar-grid .ant-select{min-width:160px}.admin-summary-callout{padding:var(--qt-space-3);border:1px solid var(--qt-border-soft);border-radius:var(--qt-radius-md);background:color-mix(in srgb,var(--qt-primary-soft) 56%,var(--qt-shell-elevated));color:var(--qt-text-secondary)}@media(max-width:768px){.admin-module-panel{padding:var(--qt-space-3)}.admin-panel-actions,.admin-toolbar-grid{width:100%}.admin-toolbar-grid .ant-input-search,.admin-toolbar-grid .ant-select{width:100%;min-width:0}}:root{--qt-font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "PingFang SC", "Helvetica Neue", Arial, sans-serif;--qt-content-max: 1360px;--qt-content-max-wide: 1720px;--qt-content-max-shell: 1440px;--qt-radius-xs: 5px;--qt-radius-sm: 8px;--qt-radius-md: 11px;--qt-radius-lg: 12px;--qt-radius-xl: 16px;--qt-radius-pill: 999px;--qt-size-control-sm: 40px;--qt-size-control-md: 42px;--qt-size-control-lg: 48px;--qt-space-1: 4px;--qt-space-2: 8px;--qt-space-3: 12px;--qt-space-4: 16px;--qt-space-5: 20px;--qt-space-6: 24px;--qt-space-7: 32px;--qt-space-8: 40px;--qt-space-9: 56px;--qt-font-size-hero: 56px;--qt-font-size-display: 40px;--qt-font-size-title: 24px;--qt-font-size-subtitle: 21px;--qt-font-size-body-lg: 17px;--qt-font-size-body: 14px;--qt-font-size-caption: 12px;--qt-font-size-nano: 11px;--qt-line-height-hero: 1.07;--qt-line-height-display: 1.1;--qt-line-height-tight: 1.15;--qt-line-height-body: 1.47;--qt-letter-spacing-display: -.05em;--qt-letter-spacing-tight: -.03em;--qt-letter-spacing-body: -.01em;--qt-letter-spacing-caps: .12em;--qt-focus-ring: 0 0 0 2px rgba(0, 113, 227, .22);--qt-focus-outline: rgba(0, 113, 227, .22)}:root,html[data-theme=light],body[data-theme=light]{--qt-body-bg: #f5f5f7;--qt-shell-bg: #f5f5f7;--qt-shell-muted: #fafafc;--qt-shell-elevated: #ffffff;--qt-shell-elevated-strong: #fbfbfd;--qt-glass-bg: rgba(255, 255, 255, .72);--qt-glass-strong: rgba(255, 255, 255, .9);--qt-border: rgba(29, 29, 31, .08);--qt-border-soft: rgba(29, 29, 31, .06);--qt-text: #1d1d1f;--qt-text-secondary: rgba(29, 29, 31, .72);--qt-text-tertiary: rgba(29, 29, 31, .48);--qt-link: #0066cc;--qt-primary: #0071e3;--qt-primary-soft: rgba(0, 113, 227, .1);--qt-success: #1d1d1f;--qt-success-soft: rgba(29, 29, 31, .05);--qt-warning: #6e6e73;--qt-warning-soft: rgba(29, 29, 31, .04);--qt-danger: #ff453a;--qt-danger-soft: rgba(255, 69, 58, .14);--qt-state-unread-surface: rgba(29, 29, 31, .03);--qt-state-unread-indicator: rgba(0, 113, 227, .72);--qt-shadow-xs: 0 6px 18px rgba(15, 23, 42, .04);--qt-shadow-sm: 0 10px 28px rgba(15, 23, 42, .06);--qt-shadow-md: 0 18px 44px rgba(15, 23, 42, .08);--qt-shadow-lg: 0 24px 56px rgba(15, 23, 42, .12);--qt-shadow-overlay: rgba(0, 0, 0, .22) 3px 5px 30px 0;--qt-backdrop: saturate(180%) blur(20px);--qt-control-bg: #fafafc;--qt-control-bg-hover: #f2f2f5;--qt-control-bg-active: #ededf2;--qt-control-border: rgba(29, 29, 31, .08);--qt-control-border-strong: rgba(29, 29, 31, .12);--qt-toolbar-bg: rgba(250, 250, 252, .86);--qt-toolbar-muted: rgba(255, 255, 255, .8);--qt-table-surface: rgba(255, 255, 255, .82);--qt-table-header-bg: #f5f5f7;--qt-table-row-hover: rgba(0, 113, 227, .08);--qt-dialog-surface: rgba(255, 255, 255, .94);--qt-divider-strong: rgba(29, 29, 31, .08);--qt-nav-shell: rgba(255, 255, 255, .78);--qt-nav-fg: rgba(29, 29, 31, .92);--qt-nav-fg-secondary: rgba(29, 29, 31, .7);--qt-nav-fg-tertiary: rgba(29, 29, 31, .5);--qt-nav-surface: rgba(29, 29, 31, .06);--qt-nav-surface-hover: rgba(29, 29, 31, .1);--qt-nav-border: rgba(29, 29, 31, .08);--qt-nav-border-hover: rgba(29, 29, 31, .12);--qt-scrim: rgba(15, 23, 42, .34);--qt-overlay-dark: rgba(0, 0, 0, .28);--qt-media-overlay: rgba(15, 23, 42, .32);--qt-inverse-bg: #000000;--qt-inverse-surface: rgba(255, 255, 255, .12);--qt-inverse-surface-strong: rgba(255, 255, 255, .16);--qt-inverse-border: rgba(255, 255, 255, .18);--qt-inverse-text: #ffffff;--qt-inverse-text-secondary: rgba(255, 255, 255, .88)}html[data-theme=dark],body[data-theme=dark]{--qt-body-bg: #000000;--qt-shell-bg: #0b0b0d;--qt-shell-muted: #111113;--qt-shell-elevated: #1c1c1f;--qt-shell-elevated-strong: #242427;--qt-glass-bg: rgba(22, 22, 24, .8);--qt-glass-strong: rgba(28, 28, 31, .92);--qt-border: rgba(255, 255, 255, .1);--qt-border-soft: rgba(255, 255, 255, .06);--qt-text: rgba(255, 255, 255, .92);--qt-text-secondary: rgba(255, 255, 255, .68);--qt-text-tertiary: rgba(255, 255, 255, .44);--qt-link: #2997ff;--qt-primary: #2997ff;--qt-primary-soft: rgba(41, 151, 255, .16);--qt-success: rgba(255, 255, 255, .92);--qt-success-soft: rgba(255, 255, 255, .08);--qt-warning: rgba(255, 255, 255, .64);--qt-warning-soft: rgba(255, 255, 255, .06);--qt-danger: #ff6961;--qt-danger-soft: rgba(255, 105, 97, .18);--qt-state-unread-surface: rgba(255, 255, 255, .05);--qt-state-unread-indicator: rgba(41, 151, 255, .72);--qt-shadow-xs: 0 10px 24px rgba(0, 0, 0, .16);--qt-shadow-sm: 0 14px 32px rgba(0, 0, 0, .24);--qt-shadow-md: 0 20px 44px rgba(0, 0, 0, .34);--qt-shadow-lg: 0 26px 60px rgba(0, 0, 0, .44);--qt-shadow-overlay: rgba(0, 0, 0, .5) 3px 5px 30px 0;--qt-backdrop: saturate(180%) blur(24px);--qt-control-bg: rgba(39, 39, 41, .88);--qt-control-bg-hover: rgba(51, 51, 54, .94);--qt-control-bg-active: #333336;--qt-control-border: rgba(255, 255, 255, .08);--qt-control-border-strong: rgba(255, 255, 255, .12);--qt-toolbar-bg: rgba(28, 28, 31, .84);--qt-toolbar-muted: rgba(17, 17, 19, .88);--qt-table-surface: rgba(28, 28, 31, .88);--qt-table-header-bg: #101013;--qt-table-row-hover: rgba(41, 151, 255, .14);--qt-dialog-surface: rgba(28, 28, 31, .94);--qt-divider-strong: rgba(255, 255, 255, .1);--qt-nav-shell: rgba(22, 22, 24, .82);--qt-nav-fg: rgba(255, 255, 255, .92);--qt-nav-fg-secondary: rgba(255, 255, 255, .68);--qt-nav-fg-tertiary: rgba(255, 255, 255, .44);--qt-nav-surface: rgba(255, 255, 255, .08);--qt-nav-surface-hover: rgba(255, 255, 255, .12);--qt-nav-border: rgba(255, 255, 255, .08);--qt-nav-border-hover: rgba(255, 255, 255, .12);--qt-scrim: rgba(15, 23, 42, .46);--qt-overlay-dark: rgba(0, 0, 0, .36);--qt-media-overlay: rgba(0, 0, 0, .48);--qt-inverse-bg: #000000;--qt-inverse-surface: rgba(255, 255, 255, .12);--qt-inverse-surface-strong: rgba(255, 255, 255, .16);--qt-inverse-border: rgba(255, 255, 255, .18);--qt-inverse-text: #ffffff;--qt-inverse-text-secondary: rgba(255, 255, 255, .88)}*{box-sizing:border-box}html,body,#root{min-height:100%}html{background:var(--qt-body-bg)}body{margin:0;font-family:var(--qt-font-family);font-size:14px;line-height:var(--qt-line-height-body);letter-spacing:var(--qt-letter-spacing-body);color:var(--qt-text);background:var(--qt-body-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .25s ease,color .25s ease}::selection{background:var(--qt-primary-soft);color:var(--qt-text)}a{color:var(--qt-link);text-decoration:none}a:hover{color:var(--qt-primary)}img{display:block;max-width:100%}button,input,textarea,select{font:inherit}ul,ol{margin:0;padding:0;list-style:none}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{border-radius:999px;background:var(--qt-border)}::-webkit-scrollbar-thumb:hover{background:var(--qt-text-tertiary)}.qt-page{display:flex;flex-direction:column;gap:var(--qt-space-7);min-height:100%}.qt-page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--qt-space-6)}.qt-page-title-block{display:flex;flex-direction:column;gap:var(--qt-space-2)}.qt-page-title{margin:0;font-size:56px;line-height:1.04;letter-spacing:-.05em;font-weight:600;color:var(--qt-text)}.qt-page-description{margin:0;max-width:720px;font-size:17px;line-height:1.47;letter-spacing:-.01em;color:var(--qt-text-secondary)}.qt-page-actions{display:flex;flex-wrap:wrap;gap:var(--qt-space-3);justify-content:flex-end}.qt-grid{display:grid;gap:var(--qt-space-5)}.qt-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.qt-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.qt-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.qt-panel,.qt-surface{border:1px solid var(--qt-divider-strong);border-radius:var(--qt-radius-lg);background:color-mix(in srgb,var(--qt-shell-elevated) 96%,transparent);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.qt-panel--muted{background:color-mix(in srgb,var(--qt-toolbar-muted) 88%,transparent);outline:1px solid color-mix(in srgb,var(--qt-divider-strong) 64%,transparent);outline-offset:-1px}.qt-stack{display:flex;flex-direction:column;gap:var(--qt-space-4)}.qt-stack--lg{gap:var(--qt-space-6)}.qt-inline{display:flex;align-items:center;gap:var(--qt-space-3)}.qt-inline--wrap{flex-wrap:wrap}.qt-empty-state,.qt-centered-state{display:flex;min-height:60vh;align-items:center;justify-content:center}.qt-centered-state{flex-direction:column;gap:var(--qt-space-3);color:var(--qt-text-secondary)}.qt-theme-switch{display:inline-flex;align-items:center;gap:var(--qt-space-3);padding:6px;border:1px solid var(--qt-control-border);border-radius:var(--qt-radius-pill);background:var(--qt-control-bg);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.qt-theme-switch-label{display:inline-flex;align-items:center;gap:6px}.qt-theme-switch-icon{color:var(--qt-text-tertiary)}.qt-theme-switch-button{width:40px;height:40px;border-radius:999px}.qt-search{width:100%;max-width:340px}.qt-avatar-button{cursor:pointer}.qt-fluid{width:100%}.qt-scroll-y{overflow-y:auto}.qt-section-title{margin:0;font-size:24px;line-height:1.16;letter-spacing:-.03em;font-weight:600;color:var(--qt-text)}.qt-caption{font-size:12px;color:var(--qt-text-tertiary)}.teacher-link-button{display:inline-flex;align-items:center;gap:6px;padding:0;border:none;background:transparent;color:var(--qt-link);font:inherit;font-weight:600;letter-spacing:-.01em;cursor:pointer;transition:color .2s ease,opacity .2s ease}.teacher-link-button:hover{color:var(--qt-primary)}.teacher-link-button:focus-visible{border-radius:var(--qt-radius-sm);outline:2px solid var(--qt-focus-outline);outline-offset:1px}.teacher-table-actions{display:flex;flex-wrap:wrap;gap:6px}.teacher-table-actions .ant-btn{padding-inline:10px}.qt-cardless-list{display:flex;flex-direction:column;gap:0}.qt-glass-surface{background:var(--qt-glass-bg);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.teacher-field{width:100%}.teacher-field--sm{width:min(100%,9rem)}.teacher-field--md{width:min(100%,11rem)}.teacher-field--lg{width:min(100%,14rem)}.teacher-field--xl{width:min(100%,18rem)}.ant-layout{background:transparent!important}.ant-app,.ant-app .ant-layout{color:var(--qt-text)}.ant-card,.ant-tooltip .ant-tooltip-inner{border:1px solid var(--qt-divider-strong)!important;background:color-mix(in srgb,var(--qt-shell-elevated) 96%,transparent)!important}.ant-modal-content,.ant-drawer-content,.ant-dropdown .ant-dropdown-menu,.ant-popover .ant-popover-inner,.ant-select-dropdown,.ant-picker-dropdown .ant-picker-panel-container{border:1px solid var(--qt-divider-strong)!important;background:var(--qt-dialog-surface)!important;box-shadow:var(--qt-shadow-overlay)!important}.ant-card,.ant-modal-content,.ant-drawer-content{border-radius:var(--qt-radius-lg)!important}.ant-modal-root .ant-modal-mask,.ant-drawer-mask{background:var(--qt-scrim)!important;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.ant-modal-content,.ant-drawer-content,.ant-dropdown .ant-dropdown-menu,.ant-popover .ant-popover-inner{-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.ant-card .ant-card-head,.ant-modal-header{border-bottom:1px solid var(--qt-divider-strong)!important}.ant-card .ant-card-head-title,.ant-modal-title,.ant-drawer-title{color:var(--qt-text)!important;font-weight:600;letter-spacing:-.02em}.ant-btn{height:40px;padding-inline:16px;border-radius:var(--qt-radius-md);border-color:transparent;font-weight:400;box-shadow:none!important;outline:2px solid transparent;outline-offset:1px;transition:background-color .2s ease,border-color .2s ease,color .2s ease,outline-color .2s ease}.ant-btn:hover{transform:none}.ant-btn-primary{background:var(--qt-primary)!important;color:#fff!important}.ant-btn-primary:hover,.ant-btn-primary:focus-visible{background:color-mix(in srgb,var(--qt-primary) 88%,#ffffff)!important}.ant-btn-default,.ant-btn-dashed{background:var(--qt-control-bg)!important;border:1px solid var(--qt-control-border)!important;color:var(--qt-text)!important}.ant-btn-default:hover,.ant-btn-dashed:hover{background:var(--qt-control-bg-hover)!important;border-color:var(--qt-control-border-strong)!important;color:var(--qt-text)!important}.ant-btn-text,.ant-btn-link{box-shadow:none!important}.ant-btn-link{color:var(--qt-link)}.ant-btn:focus-visible,.ant-input:focus-visible,.ant-input-affix-wrapper:focus-within,.ant-select-focused .ant-select-selector,.ant-picker-focused,.ant-checkbox-input:focus-visible+.ant-checkbox-inner,.ant-radio-input:focus-visible+.ant-radio-inner{outline:2px solid var(--qt-focus-outline)!important;outline-offset:1px}.ant-input,.ant-input-affix-wrapper,.ant-input-number,.ant-input-number-input-wrap,.ant-select-selector,.ant-picker,.ant-mentions,.ant-input-textarea textarea{border-color:var(--qt-control-border)!important;background:var(--qt-control-bg)!important;color:var(--qt-text)!important;border-radius:11px!important;box-shadow:none!important;outline:2px solid transparent;outline-offset:1px;transition:border-color .2s ease,background-color .2s ease,outline-color .2s ease}.ant-input::placeholder,.ant-input-affix-wrapper input::placeholder,.ant-select-selection-placeholder,.ant-picker-input input::placeholder,.ant-input-number input::placeholder{color:var(--qt-text-tertiary)!important}.ant-input:hover,.ant-input-affix-wrapper:hover,.ant-input-number:hover,.ant-select-selector:hover,.ant-picker:hover{border-color:color-mix(in srgb,var(--qt-primary) 22%,var(--qt-control-border))!important;background:var(--qt-control-bg-hover)!important}.ant-menu,.ant-menu-sub{background:transparent!important;color:var(--qt-text-secondary)}.ant-menu-item,.ant-menu-submenu-title{color:var(--qt-text-secondary)!important}.ant-menu-item:hover,.ant-menu-submenu-title:hover{color:var(--qt-text)!important}.ant-menu-item-selected{color:var(--qt-primary)!important;background:var(--qt-primary-soft)!important}.ant-dropdown-menu-item,.ant-dropdown-menu-submenu-title{color:var(--qt-text)}.ant-table-wrapper{border:1px solid var(--qt-divider-strong);border-radius:var(--qt-radius-lg);background:var(--qt-table-surface);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop);overflow:hidden}.ant-table,.ant-table-container,.ant-table-content{background:transparent!important}.ant-table-thead>tr>th{background:var(--qt-table-header-bg)!important;color:var(--qt-text-secondary)!important;border-bottom:1px solid var(--qt-divider-strong)!important;font-size:11px;letter-spacing:.12em;text-transform:uppercase}.ant-table-tbody>tr>td{border-bottom:1px solid var(--qt-divider-strong)!important;color:var(--qt-text)!important}.ant-table-tbody>tr.ant-table-row:hover>td{background:var(--qt-table-row-hover)!important}.ant-pagination .ant-pagination-item,.ant-pagination .ant-pagination-prev,.ant-pagination .ant-pagination-next,.ant-pagination .ant-pagination-jump-prev,.ant-pagination .ant-pagination-jump-next{border-radius:var(--qt-radius-md);border-color:var(--qt-control-border);background:var(--qt-control-bg)}.ant-pagination .ant-pagination-item a,.ant-pagination .ant-pagination-prev button,.ant-pagination .ant-pagination-next button{color:var(--qt-text)}.ant-pagination .ant-pagination-item-active{border-color:transparent;background:var(--qt-primary-soft)}.ant-pagination .ant-pagination-item-active a{color:var(--qt-primary)}.ant-tabs .ant-tabs-tab{color:var(--qt-text-secondary)}.ant-tabs .ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn{color:var(--qt-text)!important}.ant-spin{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--qt-text-secondary)}.ant-spin>.qt-loading{width:100%}.ant-spin-nested-loading{position:relative}.ant-spin-nested-loading>.ant-spin,.ant-table-wrapper>.ant-spin{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:flex;align-items:center;justify-content:center;border-radius:inherit;background:color-mix(in srgb,var(--qt-shell-elevated) 86%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.ant-spin-container.ant-spin-blur{opacity:.42;filter:saturate(.82);pointer-events:none}.ant-table-wrapper>.ant-spin{min-height:120px}.ant-spin--standalone{min-width:72px;min-height:72px}.ant-card-body>.ant-spin,.teacher-state-center>.ant-spin,.teacher-search-state>.ant-spin,.qt-centered-state>.ant-spin,.notification-loading>.ant-spin{width:100%;min-height:120px}.ant-alert{border-radius:var(--qt-radius-md);-webkit-backdrop-filter:var(--qt-backdrop);backdrop-filter:var(--qt-backdrop)}.ant-badge-count{outline:2px solid var(--qt-shell-elevated);outline-offset:0}.ant-drawer-header,.ant-drawer-footer{border-color:var(--qt-border-soft)!important}.ant-drawer-body,.ant-modal-body{color:var(--qt-text)}.ant-segmented{padding:2px;border:1px solid var(--qt-control-border);border-radius:var(--qt-radius-pill);background:var(--qt-control-bg)}.ant-segmented .ant-segmented-item-label{min-height:32px;display:inline-flex;align-items:center}.ant-empty,.ant-spin .ant-spin-text,.ant-typography.ant-typography-secondary,.ant-descriptions .ant-descriptions-item-label,.ant-form-item .ant-form-item-label>label{color:var(--qt-text-secondary)!important}@media(max-width:1200px){.qt-page-title{font-size:48px}}@media(max-width:1024px){.qt-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){.qt-page-header{flex-direction:column;align-items:stretch}.qt-page-title{font-size:40px}.qt-page-actions{justify-content:flex-start}.qt-grid--2,.qt-grid--3,.qt-grid--4{grid-template-columns:minmax(0,1fr)}}