/*!
 *  build: Vue  Admin Plus
 *  copyright: vue-admin-beautiful.com
 *  time: 2026-10-01 18:45:44
 */.portal-tool-icon[data-v-74bd2a52]{width:var(--portal-tool-icon,20px);height:var(--portal-tool-icon,20px);flex:none;fill:none!important;color:inherit!important;display:block;margin:0!important}.portal-tool-button[data-v-ee884eda]{position:relative;display:inline-flex;flex:none;align-items:center;justify-content:center;width:var(--portal-tool-size,36px);height:var(--portal-tool-size,36px);padding:0;margin:0;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--el-text-color-regular);cursor:pointer;vertical-align:middle;transition:background .15s,color .15s}.portal-tool-button[data-v-ee884eda]:hover:not(:disabled){color:var(--el-color-primary);background:var(--el-color-primary-light-9)}.portal-tool-button[data-v-ee884eda]:focus-visible{outline:2px solid var(--el-color-primary);outline-offset:2px}.portal-tool-button[data-v-ee884eda]:disabled{opacity:.4;cursor:not-allowed}.portal-tool-badge[data-v-ee884eda]{position:absolute;right:-3px;top:-3px;min-width:16px;height:16px;padding:0 3px;border:2px solid var(--el-bg-color,#fff);border-radius:10px;background:var(--el-color-danger);color:#fff;font:10px/12px sans-serif}[data-v-0e58ef72]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-0e58ef72]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.library-list[data-v-0e58ef72]{color:var(--el-text-color-primary)}.library-search[data-v-0e58ef72]{margin:0 0 10px;--el-input-height:30px;font-size:12px}.library-search[data-v-0e58ef72] .el-input__wrapper{border-radius:7px;padding:0 10px;background:var(--el-fill-color-light);box-shadow:none}.library-search[data-v-0e58ef72] .el-input__wrapper.is-focus{box-shadow:0 0 0 1px var(--el-color-primary-light-5) inset}.course-entry-list[data-v-0e58ef72]{display:grid;align-content:start;gap:3px;max-height:calc(100dvh - 220px);overflow-y:auto;padding:2px;overscroll-behavior:contain}.course-entry[data-v-0e58ef72]{display:flex;align-items:center;gap:10px;width:100%;min-width:0;padding:10px 8px;text-align:left;border:1px solid transparent;border-radius:8px;background:transparent;color:inherit;transition:background .18s;font:inherit}button.course-entry[data-v-0e58ef72]:hover:not(:disabled){background:var(--el-fill-color-light)}.course-entry.is-current[data-v-0e58ef72]{background:var(--el-color-primary-light-9)}.course-entry[data-v-0e58ef72]:focus-visible{outline:2px solid var(--el-color-primary);outline-offset:-2px}.course-entry[data-v-0e58ef72]:disabled{cursor:default;opacity:.6}.course-avatar[data-v-0e58ef72]{display:grid;place-items:center;flex:none;width:38px;height:38px;overflow:hidden;border-radius:8px;background:var(--el-color-primary-light-8);color:var(--el-color-primary-dark-2);font-size:17px;font-weight:500;box-shadow:inset 0 0 0 1px rgba(0,0,0,.016)}.course-avatar img[data-v-0e58ef72]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.course-entry-copy[data-v-0e58ef72]{display:grid;flex:1;min-width:0;gap:5px}.course-entry-copy strong[data-v-0e58ef72]{font-size:13px;font-weight:500;line-height:1.4;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.course-entry-meta[data-v-0e58ef72]{display:flex;gap:7px;align-items:center;color:var(--el-text-color-secondary);font-size:10px;min-width:0}.course-entry-meta>span[data-v-0e58ef72]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.role-badge[data-v-0e58ef72]{flex:none;color:var(--el-text-color-regular)}.course-entry-meta>span+span[data-v-0e58ef72]:before{content:"·";margin-right:7px;color:var(--el-text-color-placeholder)}.course-entry-action[data-v-0e58ef72]{display:flex;align-items:center;gap:3px;color:var(--el-text-color-secondary);font-size:10px;flex:none}.course-entry:hover .course-entry-action[data-v-0e58ef72],.current-label[data-v-0e58ef72]{color:var(--el-color-primary)}.library-empty[data-v-0e58ef72]{padding:24px 10px;display:grid;justify-items:center;text-align:center;gap:8px}.empty-symbol[data-v-0e58ef72]{font-size:22px;color:var(--el-text-color-placeholder)}.library-empty strong[data-v-0e58ef72]{font-size:13px;font-weight:500}.library-empty p[data-v-0e58ef72]{color:var(--el-text-color-secondary);font-size:11px;margin:0 0 6px;line-height:1.7}.library-error[data-v-0e58ef72]{display:flex;gap:8px;align-items:center;padding:8px;margin-bottom:8px;border-radius:7px;background:var(--el-color-danger-light-9);color:var(--el-color-danger);font-size:11px;line-height:1.6}.library-error button[data-v-0e58ef72]{flex:none;border:0;padding:0;background:transparent;color:inherit;font:inherit;text-decoration:underline;cursor:pointer}.library-loading[data-v-0e58ef72]{padding:24px;text-align:center;font-size:12px;color:var(--el-text-color-secondary)}button.course-entry[data-v-0e58ef72]{cursor:pointer}.course-add-button[data-v-0e58ef72]{display:inline-flex;align-items:center;justify-content:center;gap:3px;min-width:54px;height:27px;padding:0 8px;border:0;border-radius:6px;background:var(--el-color-primary-light-9);color:var(--el-color-primary);font:inherit;font-size:11px;cursor:pointer}.course-add-button[data-v-0e58ef72]:hover:not(:disabled){background:var(--el-color-primary-light-8)}.course-add-button[data-v-0e58ef72]:disabled{opacity:.55;cursor:default}.course-add-button[data-v-0e58ef72]:focus-visible{outline:2px solid var(--el-color-primary);outline-offset:2px}.course-add-button svg[data-v-0e58ef72],.joined-label svg[data-v-0e58ef72]{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.joined-label[data-v-0e58ef72]{display:flex;align-items:center;gap:3px;color:var(--el-text-color-secondary)}.library-announcement[data-v-0e58ef72]{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.compact .course-entry[data-v-0e58ef72]{padding:8px 6px;gap:9px}.compact .course-avatar[data-v-0e58ef72]{width:32px;height:32px;border-radius:7px;font-size:15px}.compact .course-entry-copy strong[data-v-0e58ef72]{font-size:12px}.compact .course-entry-list[data-v-0e58ef72]{max-height:min(50vh,340px)}@media(prefers-reduced-motion:reduce){.course-entry[data-v-0e58ef72]{transition:none}}.el-popover.el-popper.course-switch-popover{max-width:calc(100vw - 24px);box-sizing:border-box;border-radius:12px;padding:10px;border:1px solid var(--el-border-color-lighter);box-shadow:0 12px 36px rgba(0,0,0,.078),0 2px 6px rgba(0,0,0,.024)}.course-switch-heading{display:flex;align-items:center;justify-content:space-between;margin:4px 5px 12px;gap:12px}.course-switch-heading strong{font-size:13px;font-weight:600;color:var(--el-text-color-primary)}.course-switch-heading>span{font-size:10px;color:var(--el-text-color-secondary)}.course-switch-footer{display:flex;width:100%;justify-content:space-between;padding:11px 5px 2px;margin-top:8px;border:0;border-top:1px solid var(--el-border-color-lighter);background:transparent;color:var(--el-color-primary);font:inherit;font-size:11px;cursor:pointer}[data-v-17dfffd6]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-17dfffd6]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.portal-toolbar[data-v-17dfffd6]{display:flex;align-items:center;justify-content:flex-end;min-width:0;max-width:100%;gap:12px;flex-wrap:wrap;padding:4px 0}.portal-toolbar-entry[data-v-17dfffd6]{display:inline-flex;align-items:center;min-width:0}.portal-toolbar-group[data-v-17dfffd6]{display:flex;flex-wrap:wrap;align-items:center;min-width:0;gap:var(--portal-tool-gap)}.portal-toolbar-group.is-separated[data-v-17dfffd6]{border-left:1px solid var(--el-border-color);padding-left:12px}.portal-toolbar[data-v-17dfffd6] .el-select__wrapper{min-height:var(--portal-tool-size);border-radius:10px}.portal-toolbar[data-v-17dfffd6] .account-book-case-selector,.portal-toolbar[data-v-17dfffd6] .teacher-class-context{margin:0;gap:var(--portal-tool-gap)}.portal-toolbar[data-v-17dfffd6] .el-dropdown{margin:0}.portal-settings-fallback[data-v-17dfffd6]{flex:none;margin-left:8px;padding:8px 14px;border:1px solid var(--el-border-color);border-radius:18px;background:var(--el-bg-color);color:var(--el-text-color-regular);font-size:13px;white-space:nowrap}@media(max-width:767px){.portal-toolbar[data-v-17dfffd6]{gap:6px}.portal-toolbar-group.is-separated[data-v-17dfffd6]{padding-left:6px}.portal-toolbar[data-v-17dfffd6] .case-selector-label,.portal-toolbar[data-v-17dfffd6] .course-name{display:none}.portal-toolbar[data-v-17dfffd6] .case-selector-select,.portal-toolbar[data-v-17dfffd6] .class-select{width:140px}}[data-v-4187b653]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-4187b653]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.vab-layout-column .vab-main.is-collapse-main.vab-main-horizontal[data-v-4187b653]{margin-left:83.2px}.vab-layout-column .vab-main.is-collapse-main.vab-main-horizontal[data-v-4187b653] .fixed-header{width:calc(100% - 83.2px)}[data-v-6819340e]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-6819340e]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.vab-layout-common[data-v-6819340e] .vab-tabs-content{width:calc(100% - 96px)!important}.vab-layout-common[data-v-6819340e] .vab-header .vab-main{width:100%;margin:auto 20px}[data-v-447d29aa]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-447d29aa]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.vab-layout-float[data-v-447d29aa] .vab-main{margin-left:64px!important}.vab-layout-float[data-v-447d29aa] .vab-main .fixed-header{width:calc(100% - 64px)!important}.vab-layout-float[data-v-447d29aa] .el-menu--collapse.el-menu li.el-sub-menu.is-active .el-sub-menu__title{background-color:transparent!important}.vab-layout-float[data-v-447d29aa] .el-menu--collapse.el-menu li.el-sub-menu.is-active>.el-sub-menu__title{background-color:var(--el-color-primary)!important}.vab-layout-float[data-v-447d29aa] .vab-menu-children-height{height:auto!important}.vab-layout-float[data-v-447d29aa] .el-menu--vertical .el-menu--popup-right-start{width:335px!important}.vab-layout-float[data-v-447d29aa] .el-menu--vertical .el-menu--popup-right-start .el-menu-item,.vab-layout-float[data-v-447d29aa] .el-menu--vertical .el-menu--popup-right-start .el-sub-menu__title{float:left;width:160px;min-width:160px;margin:0 0 5px 5px;border-radius:5px}[data-v-7539c5a0]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-7539c5a0]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.vab-layout-horizontal[data-v-7539c5a0] .vab-main{width:92%!important;margin:auto!important}.vab-layout-horizontal .vab-tabs-horizontal[data-v-7539c5a0]{background:var(--el-color-white);box-shadow:0 1px 4px rgba(0,21,41,.08)}.vab-layout-horizontal .vab-nav .fold-unfold[data-v-7539c5a0]{display:none}[data-v-7f76cf7a]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-7f76cf7a]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.vue-admin-better-wrapper[data-v-7f76cf7a]{position:relative;width:100%;height:100%}.vue-admin-better-wrapper [class*=vab-layout-][data-v-7f76cf7a] .vab-layout-header{box-shadow:0 1px 4px rgba(0,21,41,.08)}.vue-admin-better-wrapper [class*=vab-layout-].fixed[data-v-7f76cf7a]{--course-portal-fixed-workspace-height:calc(100vh - 130px);padding-top:90px}.vue-admin-better-wrapper [class*=vab-layout-].fixed.no-tabs-bar[data-v-7f76cf7a]{--course-portal-fixed-workspace-height:calc(100vh - 88px);padding-top:48px}.vue-admin-better-wrapper[data-v-7f76cf7a] .fixed-header{position:fixed;top:0;right:0;z-index:1998;width:100%}.vue-admin-better-wrapper[data-v-7f76cf7a] .vab-main{position:relative;width:auto;min-height:100%;margin-left:var(--el-left-menu-width)}.vue-admin-better-wrapper[data-v-7f76cf7a] .vab-main.is-collapse-main{margin-left:64px}.vue-admin-better-wrapper[data-v-7f76cf7a] .vab-main.is-collapse-main .fixed-header{width:calc(100% - 64px)}.vue-admin-better-wrapper[data-v-7f76cf7a] .vab-main:not(.is-collapse-main) .fixed-header{width:calc(100% - var(--el-left-menu-width))}.vue-admin-better-wrapper.mobile[data-v-7f76cf7a] .vab-layout-vertical .el-scrollbar.vab-side-bar.is-collapse{width:0}.vue-admin-better-wrapper.mobile[data-v-7f76cf7a] .vab-layout-vertical .vab-main{margin-left:0}.vue-admin-better-wrapper.mobile[data-v-7f76cf7a] .vab-layout-vertical .vab-main .fixed-header{width:100%}.vue-admin-better-wrapper.mobile[data-v-7f76cf7a] .el-pager,.vue-admin-better-wrapper.mobile[data-v-7f76cf7a] .el-pagination__jump{display:none}[data-v-61e314e2]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-61e314e2]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.application-form[data-v-61e314e2] .el-select{width:100%}.course-option[data-v-61e314e2]{display:flex;align-items:center;justify-content:space-between;gap:16px}.course-option small[data-v-61e314e2],.form-help[data-v-61e314e2]{color:var(--el-text-color-secondary);font-size:12px}.course-application-note[data-v-61e314e2]{margin:-2px 0 18px;padding:12px 14px;border-radius:8px;background:var(--el-fill-color-light);color:var(--el-text-color-regular);line-height:1.6}.application-error[data-v-61e314e2]{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:16px;color:var(--el-color-danger);font-size:12px;line-height:1.7}[data-v-aa07494a]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff;vab-border-radius:5px}[data-v-aa07494a]:root{--el-container-height:calc(100vh - 130px);--el-margin:20px;--el-padding:20px;--el-border-radius-base:5px!important}.library-tabs[data-v-aa07494a]{position:relative;display:grid;grid-template-columns:1fr 1fr;margin-bottom:16px;border-bottom:1px solid var(--el-border-color-lighter)}.library-tabs button[data-v-aa07494a]{display:flex;justify-content:center;align-items:center;gap:7px;padding:12px 2px 14px;border:0;background:transparent;color:var(--el-text-color-secondary);font:inherit;font-size:12px;cursor:pointer;transition:color .2s}.library-tabs button.active[data-v-aa07494a]{color:var(--el-color-primary);font-weight:600}.library-tabs button[data-v-aa07494a]:hover{color:var(--el-color-primary)}.library-tabs button[data-v-aa07494a]:focus-visible{outline:2px solid var(--el-color-primary-light-5);outline-offset:-3px;border-radius:5px}.library-tabs svg[data-v-aa07494a]{width:18px;height:18px;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round}.library-tabs b[data-v-aa07494a]{min-width:18px;padding:1px 4px;border-radius:4px;background:var(--el-fill-color-light);font-size:10px;font-weight:500;text-align:center}.library-tabs button.active b[data-v-aa07494a]{background:var(--el-color-primary-light-9)}.library-tab-indicator[data-v-aa07494a]{position:absolute;bottom:-1px;left:12px;width:calc(50% - 24px);height:2px;background:var(--el-color-primary);border-radius:2px;transition:left .28s cubic-bezier(.22,1,.36,1)}.library-tab-indicator.on-shelf[data-v-aa07494a]{left:calc(50% + 12px)}.library-footer[data-v-aa07494a]{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 2px 0;padding-top:12px;border-top:1px solid var(--el-border-color-lighter)}.library-footnote[data-v-aa07494a]{margin:0;color:var(--el-text-color-secondary);font-size:11px;line-height:1.6}.library-refresh-error[data-v-aa07494a]{color:var(--el-color-danger);font-size:11px;line-height:1.6}@media(prefers-reduced-motion:reduce){.library-tab-indicator[data-v-aa07494a],.library-tabs button[data-v-aa07494a]{transition:none}}.el-overlay.course-library-mask{background-color:rgba(23,32,45,.078)!important;backdrop-filter:none!important}.el-overlay .el-drawer.course-library-drawer{max-width:calc(100vw - 16px);height:calc(100% - 16px);margin:8px;border:1px solid var(--el-border-color-lighter);border-radius:14px;box-shadow:0 16px 50px rgba(16,24,40,.102);--el-drawer-padding-primary:18px}.course-library-drawer .el-drawer__header{margin-bottom:0;padding-bottom:18px}.course-library-drawer .el-drawer__body{padding-top:0}.course-library-drawer .el-drawer__close-btn{align-self:flex-start;margin-top:6px;margin-left:12px;font-size:16px}.library-drawer-heading{min-width:0}.library-drawer-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:4px}.library-drawer-heading h2{margin:0;line-height:28px;font-size:16px;font-weight:600;color:var(--el-text-color-primary)}.library-drawer-heading>span{font-size:11px;color:var(--el-text-color-secondary)}.course-library-drawer .library-apply-button{display:inline-flex;flex:none;align-items:center;gap:5px;height:28px;padding:0 9px;border:0;border-radius:7px;color:var(--el-color-primary);background:var(--el-color-primary-light-9);font:inherit;font-size:11px;white-space:nowrap;cursor:pointer;transition:background-color .18s ease}.course-library-drawer .library-apply-button:hover{background:var(--el-color-primary-light-8)}.course-library-drawer .library-apply-button:focus-visible{outline:2px solid 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16px;color:var(--el-text-color-primary);text-align:center;isolation:isolate}.transition-atmosphere{position:absolute;inset:-70px -30px;z-index:-1;pointer-events:none;filter:blur(40px);opacity:.5;overflow:hidden}.transition-atmosphere i{position:absolute;width:180px;height:140px;top:70px;left:30px;border-radius:50%;background:radial-gradient(ellipse,var(--el-color-primary-light-7),transparent 70%);animation:course-light-drift 4s ease-in-out infinite alternate}.transition-atmosphere i+i{left:auto;right:0;top:130px;opacity:.65;animation-delay:-2s}.transition-caption{font-size:11px;letter-spacing:.24em;color:var(--el-text-color-secondary);margin-bottom:30px;animation:course-caption-arrive .8s ease backwards}.transition-journey{display:grid;grid-template-columns:minmax(0,1fr) 54px minmax(0,1fr);align-items:start;--course-travel:calc(-50% - 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