.parent-page{width:min(100%,1480px);margin-inline:auto}.parent-page .ui-page-header-component{margin-bottom:var(--space-1)}.parent-filter-bar{align-items:center;padding:var(--space-2)}.parent-filter-label{margin-right:var(--space-1);color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:700}.parent-filter-links{display:flex;flex-wrap:wrap;gap:var(--space-1)}.parent-filter-links a{min-height:var(--control-sm);padding:6px var(--space-3);border:1px solid transparent;border-radius:var(--radius-sm);color:var(--color-text-muted);text-decoration:none}.parent-filter-links a:hover{background:var(--color-surface-muted);color:var(--color-text)}.parent-filter-links a.is-active{border-color:var(--color-primary);background:var(--color-selected);color:var(--color-selected-text);font-weight:700}.parent-home-workspace{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);grid-gap:var(--space-4);gap:var(--space-4)}.parent-calendar-panel,.parent-day-panel{min-width:0;padding:var(--space-4)}.parent-day-list{display:grid;margin-top:var(--space-3)}.parent-day-row{display:grid;grid-template-columns:100px minmax(0,1fr) auto;align-items:center;grid-gap:var(--space-3);gap:var(--space-3);padding:var(--space-3) 0;border-top:1px solid var(--color-border)}.parent-day-row time{font-family:var(--font-mono);font-size:var(--font-size-sm)}.parent-day-row-main{display:grid;grid-gap:2px;gap:2px;min-width:0}.parent-day-row-main small,.parent-day-row-main span{color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-student-summary{margin-top:var(--space-1)}.parent-student-identity{display:grid;grid-gap:2px;gap:2px}.parent-student-identity small{color:var(--color-text-muted)}.parent-low-credit{color:var(--color-accent);font-weight:700}.parent-bind-empty{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);align-items:center;grid-gap:var(--space-6);gap:var(--space-6);padding:var(--space-6)}.parent-bind-empty-copy{display:grid;grid-gap:var(--space-2);gap:var(--space-2)}.parent-bind-empty-copy p{margin:0;color:var(--color-text-muted)}.parent-bind-form{display:grid;grid-gap:var(--space-3);gap:var(--space-3);min-width:0}.parent-page .parent-course-list{display:grid;grid-gap:var(--space-5);gap:var(--space-5)}.parent-course-card{display:grid;grid-gap:var(--space-4);gap:var(--space-4);min-width:0;padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-card)}.parent-course-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4)}.parent-course-title{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-1) var(--space-2);min-width:0}.parent-course-heading h2{flex-basis:100%;margin:0;font-size:var(--font-size-lg);overflow-wrap:anywhere}.parent-course-heading p{margin:0;color:var(--color-text-muted);font-size:var(--font-size-sm)}.parent-course-actions{display:flex;flex:0 0 auto;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:var(--space-1)}.parent-course-next{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;grid-gap:var(--space-3);gap:var(--space-3);padding:var(--space-3) var(--space-4);border-left:3px solid var(--color-primary);border-radius:var(--radius-sm);background:var(--color-accent-soft)}.parent-course-next>span:first-child{color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:700}.parent-course-next>div{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-1) var(--space-2);min-width:0}.parent-course-next time{font-family:var(--font-mono);font-weight:700}.parent-course-facts{display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-6);margin:0;padding-bottom:var(--space-3);border-bottom:1px solid var(--color-border)}.parent-course-facts div{display:flex;align-items:baseline;gap:var(--space-2)}.parent-course-facts dt{color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-course-facts dd{margin:0;font-family:var(--font-mono);font-size:var(--font-size-sm);font-weight:700}.parent-course-lessons{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.parent-course-lesson-section{min-width:0}.parent-course-lesson-section>header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-1)}.parent-course-lesson-section h3{margin:0;font-size:var(--font-size-md)}.parent-course-lesson-section>header span{color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-course-lesson-section.is-history{color:var(--color-text-muted)}.parent-course-lesson-list{display:grid}.parent-course-lesson-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;grid-gap:var(--space-2);gap:var(--space-2);min-height:44px;padding-block:var(--space-2);border-top:1px solid var(--color-border);font-size:var(--font-size-sm)}.parent-course-lesson-row:first-child{border-top:0}.parent-course-lesson-time{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-1) var(--space-2);min-width:0}.parent-course-lesson-time span{color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-course-lesson-time time{font-family:var(--font-mono)}.parent-course-publication-state{color:var(--color-text-muted);font-size:var(--font-size-xs);white-space:nowrap}.parent-course-section-empty{margin:0;padding-block:var(--space-2);color:var(--color-text-muted);font-size:var(--font-size-sm)}.parent-course-more{border-top:1px solid var(--color-border)}.parent-course-more summary{width:-moz-fit-content;width:fit-content;padding:var(--space-2) 0;color:var(--color-primary);font-size:var(--font-size-sm);font-weight:700;cursor:pointer}.parent-course-more[open] summary{margin-bottom:var(--space-1)}.parent-detail-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-card)}.parent-detail-facts div{display:grid;grid-gap:var(--space-1);gap:var(--space-1);padding:var(--space-3) var(--space-4);border-right:1px solid var(--color-border)}.parent-detail-facts div:last-child{border-right:0}.parent-detail-facts span{color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-detail-section{display:grid;grid-gap:var(--space-3);gap:var(--space-3)}.parent-ledger-disclosure{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-card)}.parent-ledger-disclosure>summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-3) var(--space-4);list-style:none;cursor:pointer}.parent-ledger-disclosure>summary::-webkit-details-marker{display:none}.parent-ledger-disclosure>summary>span:first-child{display:grid;grid-gap:2px;gap:2px}.parent-ledger-disclosure>summary strong{font-size:var(--font-size-md)}.parent-ledger-disclosure>summary small{color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-ledger-disclosure-action{color:var(--color-primary);font-size:var(--font-size-sm);font-weight:700}.parent-ledger-disclosure[open] .parent-ledger-disclosure-action{font-size:0}.parent-ledger-disclosure[open] .parent-ledger-disclosure-action:after{content:"收起";font-size:var(--font-size-sm)}.parent-ledger-disclosure-content{padding:0 var(--space-4) var(--space-4)}.parent-ledger-value{font-family:var(--font-mono)}.parent-lesson-identity{display:grid;grid-gap:2px;gap:2px}.parent-lesson-identity small{color:var(--color-text-muted)}.parent-danger-zone{display:flex;align-items:center;justify-content:space-between;gap:var(--space-5);padding:var(--space-4);border:1px solid var(--color-destructive-border);border-radius:var(--radius-md);background:var(--color-destructive-surface)}.parent-danger-zone h2{margin:0;color:var(--color-destructive-text);font-size:var(--font-size-md)}.parent-danger-zone p{margin:var(--space-1) 0 0;color:var(--color-text-muted);font-size:var(--font-size-sm)}.parent-publication-layout{display:grid;grid-gap:var(--space-5);gap:var(--space-5);padding:var(--space-5)}.parent-page.parent-publication-page{max-width:none}.parent-publication-copy{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.parent-publication-copy section{padding-top:var(--space-3);border-top:1px solid var(--color-border)}.parent-publication-copy section:first-child{padding-top:0;border-top:0}.parent-publication-copy h2{margin:0 0 var(--space-2);font-size:var(--font-size-lg)}.parent-publication-copy p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.75}.parent-publication-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,280px));justify-content:start;grid-gap:var(--space-3);gap:var(--space-3)}.parent-publication-thumbnail{width:100%;min-width:0;padding:0;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-muted);cursor:zoom-in}.parent-publication-thumbnail .publication-image-fallback,.parent-publication-thumbnail img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.parent-image-dialog{max-width:none;max-height:calc(100dvh - 32px);width:min(920px,calc(100vw - 32px));padding:0;overflow:hidden;border:0;border-radius:var(--radius-lg);background:transparent}.parent-image-dialog::-webkit-backdrop{background:rgba(16,26,21,.78)}.parent-image-dialog::backdrop{background:rgba(16,26,21,.78)}.parent-image-dialog-content{position:relative;display:grid;place-items:center;min-height:180px}.parent-image-dialog-content img{display:block;max-width:100%;max-height:calc(100dvh - 64px);object-fit:contain;border-radius:var(--radius-md)}.parent-image-dialog-close{position:absolute;z-index:1;top:var(--space-2);right:var(--space-2);min-height:var(--control-md);padding-inline:var(--space-3);border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-sm);background:rgba(20,28,24,.8);color:#fff;cursor:pointer}.parent-me-account{display:grid;grid-template-columns:1.2fr .8fr;grid-gap:var(--space-4);gap:var(--space-4)}.parent-account-actions,.parent-account-summary{padding:var(--space-4)}.parent-account-summary{display:grid;grid-gap:var(--space-2);gap:var(--space-2)}.parent-account-summary strong{font-size:var(--font-size-lg)}.profile-name-readable{min-width:0;max-width:100%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.ui-shell-identity{min-width:0}.feedback-reply-list header{min-width:0;flex-wrap:wrap}.feedback-reply-list header .profile-name-readable{flex:1 1 160px}.feedback-reply-list header time{flex:0 0 auto}.parent-account-summary{min-width:0}.parent-profile-editor{scroll-margin-top:var(--space-8);padding:var(--space-4)}.parent-profile-form{display:grid;grid-gap:var(--space-4);gap:var(--space-4);max-width:480px}.parent-profile-form input{width:100%;min-width:0}.parent-account-summary span{color:var(--color-text-muted);font-size:var(--font-size-sm)}.parent-me-student-list{display:grid;border-top:1px solid var(--color-border)}.parent-me-student-row{display:flex;width:100%;min-height:52px;justify-content:space-between;padding-inline:0;border-bottom:1px solid var(--color-border);border-radius:0}.parent-me-student-row>span:first-child{display:grid;grid-gap:2px;gap:2px;text-align:left}.parent-me-student-row small{color:var(--color-text-muted)}.parent-account-actions{display:grid;align-content:start;grid-gap:var(--space-3);gap:var(--space-3)}.parent-account-actions h2{margin:0;font-size:var(--font-size-md)}.parent-account-actions>div{display:flex;flex-wrap:wrap;gap:var(--space-2)}.parent-billing-filter{display:flex;align-items:flex-end;gap:var(--space-3)}.parent-billing-filter .field{min-width:min(280px,100%)}.parent-billing-month{display:grid;grid-template-columns:var(--control-md) minmax(0,1fr) var(--control-md);align-items:center;width:min(100%,440px);margin-inline:auto}.parent-billing-month a{display:grid;min-height:var(--control-md);place-items:center;color:var(--color-primary);font-size:var(--font-size-xl);text-decoration:none}.parent-billing-month strong{text-align:center}.parent-billing-account{display:flex;align-items:center;justify-content:space-between;gap:var(--space-5);padding:var(--space-4)}.parent-billing-account h2{margin:0;font-size:var(--font-size-md)}.parent-billing-account p{margin:var(--space-1) 0 0;color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-billing-account dl,.parent-billing-course-row dl{display:flex;margin:0;gap:var(--space-5)}.parent-billing-account dl div,.parent-billing-course-row dl div{display:grid;grid-gap:2px;gap:2px}.parent-billing-account dt,.parent-billing-course-row dt{color:var(--color-text-muted);font-size:var(--font-size-xs)}.parent-billing-account dd,.parent-billing-course-row dd{margin:0;font-family:var(--font-mono);font-weight:700}.parent-billing-course-list{overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-card)}.parent-billing-course-row{display:grid;grid-gap:var(--space-2);gap:var(--space-2);padding:var(--space-4);border-top:1px solid var(--color-border);color:inherit;text-decoration:none}.parent-billing-course-row:first-child{border-top:0}.parent-billing-course-row:hover{background:var(--color-surface-muted)}.parent-billing-course-heading{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.parent-billing-course-heading span{color:var(--color-primary);font-size:var(--font-size-sm)}.parent-billing-course-row p{margin:0;color:var(--color-text-muted);font-size:var(--font-size-sm)}.parent-billing-fee{display:inline-flex;align-items:baseline;gap:var(--space-1);font-family:var(--font-mono);font-weight:700}.parent-billing-fee small{color:var(--color-text-muted);font-family:var(--font-sans);font-size:var(--font-size-xs);font-weight:400}.parent-notification-page .notification-page-list{border-radius:var(--radius-md);overflow:hidden}@media (max-width:1023px){.parent-home-workspace,.parent-me-account{grid-template-columns:1fr}}@media (max-width:767px){.parent-bind-empty{grid-template-columns:1fr}.parent-day-row{grid-template-columns:84px minmax(0,1fr)}.parent-day-row>:last-child{grid-column:2;justify-self:start}.parent-detail-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.parent-detail-facts div:nth-child(2){border-right:0}.parent-detail-facts div:nth-child(n+3){border-top:1px solid var(--color-border)}.parent-publication-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.parent-billing-account,.parent-danger-zone{align-items:flex-start;flex-direction:column}}@media (max-width:479px){.parent-page{min-width:0}.parent-bind-empty,.parent-calendar-panel,.parent-day-panel{padding:var(--space-3)}.parent-course-heading{align-items:flex-start;flex-direction:column}.parent-course-actions{justify-content:flex-start}.parent-course-card{padding:var(--space-3)}.parent-course-next{grid-template-columns:1fr auto}.parent-course-next>span:first-child{grid-column:1/-1}.parent-course-facts{gap:var(--space-2) var(--space-4)}.parent-course-lesson-row{grid-template-columns:minmax(0,1fr) auto}.parent-course-lesson-row>a,.parent-course-publication-state{grid-column:1/-1;justify-self:start}.parent-detail-facts{grid-template-columns:1fr}.parent-detail-facts div{padding-block:var(--space-2);border-right:0;border-top:1px solid var(--color-border)}.parent-detail-facts div:first-child{border-top:0}.parent-publication-gallery{grid-template-columns:1fr}.parent-image-dialog{width:calc(100vw - 16px)}.parent-billing-filter{align-items:stretch;flex-direction:column}.parent-billing-account dl,.parent-billing-course-row dl{width:100%;justify-content:space-between;gap:var(--space-3)}}.auth-shell{display:grid;place-items:center;min-height:100svh;padding:var(--space-6) var(--space-4) max(var(--space-6),env(safe-area-inset-bottom));overflow-y:auto;background:var(--color-background)}.auth-shell-panel{box-sizing:border-box;width:min(100%,440px);padding:var(--space-5);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-subtle)}.auth-shell-header,.auth-shell-panel{display:grid;grid-gap:var(--space-5);gap:var(--space-5)}.auth-shell-brand-row{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3)}.auth-shell-header-action{flex:0 0 auto}.auth-shell-brand{display:flex;align-items:center;gap:var(--space-3)}.auth-shell-brand>img{display:block;width:40px;height:40px;border-radius:var(--radius-md);object-fit:cover}.auth-shell-brand>div{display:grid;grid-gap:1px;gap:1px}.auth-shell-brand strong{font-size:var(--font-size-md)}.auth-shell-brand small{color:var(--color-text-muted);font-size:var(--font-size-xs)}.auth-shell-copy{display:grid;grid-gap:var(--space-1);gap:var(--space-1)}.auth-shell-copy h1{margin:0;font-size:var(--font-size-xl);line-height:1.25}.auth-shell-copy>p:last-child{margin:0;color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.65}.auth-shell-body,.auth-shell-notice{min-width:0}.auth-shell-body{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.auth-shell-footer{padding-top:var(--space-3);border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:var(--font-size-xs);line-height:1.55;text-align:center}.auth-form{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.auth-code-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;grid-gap:var(--space-3);gap:var(--space-3)}.auth-code-row .ui-button{min-width:112px}.auth-role-group{display:grid;grid-gap:var(--space-2);gap:var(--space-2);padding:0;border:0}.auth-role-group legend{margin-bottom:var(--space-1);font-size:.8125rem;font-weight:700}.auth-role-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:var(--space-2);gap:var(--space-2)}.auth-role-option{display:flex;align-items:center;gap:var(--space-2);min-width:0;min-height:var(--control-lg);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-secondary);white-space:nowrap;cursor:pointer}.auth-role-option input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;flex:0 0 18px;width:18px;height:18px;margin:0;padding:0;border:0;background:transparent;box-shadow:none}.auth-role-option span{min-width:0;white-space:nowrap;word-break:keep-all}.auth-role-option:has(input:checked){border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary);font-weight:700}.auth-feedback:empty{display:none}.auth-form-actions{display:flex;justify-content:flex-end}.auth-join-status{display:grid;grid-gap:var(--space-3);gap:var(--space-3)}.auth-join-status p{margin:0;color:var(--color-text-muted)}.auth-onboarding-panel{width:min(100%,460px)}.auth-onboarding-form{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.auth-login-panel{width:min(100%,520px)}.login-phone-mode,.login-wechat-mode{min-width:0}.login-capability-status{margin:0;padding:var(--space-6) 0;color:var(--color-text-muted);text-align:center}.login-mobile-guidance{display:grid;justify-items:start;grid-gap:var(--space-3);gap:var(--space-3)}.login-mobile-guidance p{margin:0;color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.6}.wechat-qr-login{display:grid;justify-items:center;grid-gap:var(--space-3);gap:var(--space-3)}.wechat-qr-frame{position:relative;display:grid;place-items:center;width:min(100%,320px);min-height:400px;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-secondary)}.wechat-qr-container{width:300px;min-height:400px}.wechat-qr-container iframe{display:block;width:300px;height:400px;border:0}.wechat-qr-placeholder{position:absolute;inset:0;display:grid;place-items:center;padding:var(--space-5);color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.6;text-align:center}.wechat-qr-copy{display:grid;grid-gap:var(--space-1);gap:var(--space-1);text-align:center}.wechat-qr-copy strong{font-size:var(--font-size-md)}.wechat-qr-copy span{color:var(--color-text-muted);font-size:var(--font-size-sm)}.wechat-qr-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-2)}@media (max-width:479px){.auth-shell{align-items:start;padding:var(--space-4) var(--space-4) max(var(--space-6),env(safe-area-inset-bottom))}.auth-shell-panel{padding:var(--space-5) var(--space-4);box-shadow:none}.auth-code-row{grid-template-columns:minmax(0,1fr) auto;gap:var(--space-2)}.auth-code-row .ui-button{min-width:96px;padding-inline:var(--space-2)}.auth-shell-brand-row{align-items:center}.auth-shell-header-action .ui-button{padding-inline:var(--space-2)}.auth-login-panel{width:100%}}@media (max-width:399px){.auth-role-options{grid-template-columns:1fr}}@media (max-width:374px){.auth-code-row{grid-template-columns:1fr}.auth-code-row .ui-button{width:100%}}.support-help{position:relative}.support-help-trigger svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.support-help-popover{position:absolute;top:calc(100% + var(--space-2));right:0;z-index:60;width:min(288px,calc(100vw - 24px));overflow:hidden;border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);background:var(--color-popover);color:var(--color-text);box-shadow:var(--shadow-subtle)}.support-help-popover>header{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}.support-help-popover nav{display:grid;padding:var(--space-1)}.support-help-popover a{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:var(--space-3);gap:var(--space-3);min-height:54px;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);color:inherit;text-decoration:none}.support-help-popover a:hover{background:var(--color-hover)}.support-help-popover a:focus-visible{outline:3px solid var(--color-focus);outline-offset:-1px}.support-help-popover a>span:first-child{display:grid;grid-gap:2px;gap:2px;min-width:0}.support-help-popover a strong{font-size:var(--font-size-sm)}.support-help-popover a small{color:var(--color-text-muted);font-size:var(--font-size-xs)}.support-help-popover a>span:last-child{color:var(--color-text-muted);font-size:22px;line-height:1}.support-center{max-width:960px;gap:var(--space-6)}.support-center-sections{display:grid;grid-gap:var(--space-8);gap:var(--space-8)}.support-section{display:grid;grid-gap:var(--space-4);gap:var(--space-4)}.support-action-row,.support-contact-list{overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-card)}.support-action-row{display:grid;grid-template-columns:var(--control-touch) minmax(0,1fr) var(--control-sm);align-items:center;grid-gap:var(--space-3);gap:var(--space-3);width:100%;min-height:72px;padding:var(--space-3) var(--space-4);color:var(--color-text);text-align:left;cursor:pointer;transition:background-color .14s ease,border-color .14s ease}.support-action-row:hover{background:var(--color-hover)}.support-action-row:active{background:var(--color-selected)}.support-action-row:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px}.support-action-row>span:nth-child(2){display:grid;grid-gap:2px;gap:2px;min-width:0}.support-action-row strong{font-size:var(--font-size-md);font-weight:600;line-height:1.4}.support-action-row small{color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.5;overflow-wrap:anywhere}.support-action-icon{display:grid;width:40px;height:40px;place-items:center;border-radius:var(--radius-md);background:var(--color-selected);color:var(--color-primary)}.support-action-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.support-row-chevron{display:grid;width:var(--control-sm);height:var(--control-sm);place-items:center end;color:var(--color-text-muted);font-size:24px;line-height:1}.support-contact-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:var(--space-4);gap:var(--space-4);min-height:64px;padding:var(--space-2) var(--space-4)}.support-contact-row+.support-contact-row{border-top:1px solid var(--color-border)}.support-contact-row>span{display:grid;grid-gap:2px;gap:2px;min-width:0}.support-contact-row small{color:var(--color-text-muted);font-size:var(--font-size-xs);line-height:1.4}.support-contact-row strong{overflow-wrap:anywhere;font-family:var(--font-mono);font-size:var(--font-size-sm);font-weight:600;line-height:1.45}.support-contact-row .ui-button{flex:0 0 auto}.support-community-dialog{width:min(500px,calc(100vw - 32px));max-width:none;max-height:calc(100dvh - 32px);margin:auto;padding:0;overflow:auto;overscroll-behavior:contain;border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);background:var(--color-popover);color:var(--color-text);box-shadow:var(--shadow-subtle)}.support-community-dialog::-webkit-backdrop{background:var(--color-overlay)}.support-community-dialog::backdrop{background:var(--color-overlay)}.support-community-dialog-panel{display:grid}.support-community-dialog-panel>header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border)}.support-community-dialog-panel>header>div{display:grid;grid-gap:2px;gap:2px;min-width:0}.support-community-dialog-panel>header span{color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:600;letter-spacing:.04em}.support-community-dialog-panel h2{margin:0;font-size:var(--font-size-lg);font-weight:600;line-height:1.4;overflow-wrap:anywhere}.support-dialog-close{display:grid;flex:0 0 var(--control-touch);width:var(--control-touch);height:var(--control-touch);margin:calc(-1 * var(--space-1));place-items:center;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);font-size:20px;font-weight:400;line-height:1;cursor:pointer;transition:background-color .14s ease,border-color .14s ease,color .14s ease}.support-dialog-close:hover{background:var(--color-hover);color:var(--color-text)}.support-dialog-close:focus-visible{outline:3px solid var(--color-focus);outline-offset:1px}.support-qr-stage{display:grid;justify-items:center;padding:var(--space-6) var(--space-8) var(--space-5);text-align:center}.support-qr-stage img{display:block;width:min(320px,100%);aspect-ratio:1;margin-bottom:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-primary-foreground);object-fit:contain}.support-qr-stage>strong{font-size:var(--font-size-md);font-weight:600;line-height:1.4}.support-qr-stage>span{max-width:36ch;margin-top:var(--space-1);color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.6;overflow-wrap:anywhere}.support-community-unavailable{display:grid;justify-items:center;grid-gap:var(--space-2);gap:var(--space-2);padding:var(--space-6) var(--space-5);text-align:center}.support-community-unavailable p{margin:0;color:var(--color-text-muted);font-size:var(--font-size-sm)}.support-qr-placeholder{display:grid;width:116px;height:116px;place-items:center;border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);background:var(--color-surface-muted);color:var(--color-text-muted);font-size:var(--font-size-xs)}.support-dialog-contact{display:grid;grid-gap:var(--space-3);gap:var(--space-3);padding:var(--space-4) var(--space-5);border-top:1px solid var(--color-border);background:var(--color-surface-secondary)}.support-dialog-contact>p{margin:0;color:var(--color-text-muted);font-size:var(--font-size-xs);line-height:1.6}.support-dialog-contact>div{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:var(--space-3);gap:var(--space-3);min-width:0}.support-dialog-contact span{display:grid;grid-gap:2px;gap:2px;min-width:0}.support-dialog-contact small{color:var(--color-text-muted);font-size:var(--font-size-xs);line-height:1.4}.support-dialog-contact strong{overflow-wrap:anywhere;font-family:var(--font-mono);font-size:var(--font-size-sm);font-weight:600;line-height:1.45}.support-toast{position:fixed;right:var(--space-5);bottom:var(--space-5);z-index:90;max-width:min(320px,calc(100vw - 32px));padding:var(--space-3) var(--space-4);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-text);color:var(--color-background);box-shadow:var(--shadow-subtle);font-size:var(--font-size-sm)}@media (max-width:560px){.support-help-popover{position:fixed;top:calc(var(--mobile-appbar-height) + var(--space-2));right:var(--space-3);left:var(--space-3);width:auto}.support-action-row,.support-contact-row{gap:var(--space-3);padding-inline:var(--space-3)}.support-community-dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px)}.support-community-dialog-panel>header,.support-dialog-contact{padding-inline:var(--space-4)}.support-qr-stage{padding:var(--space-5) var(--space-4)}.support-qr-stage img{width:min(300px,100%)}.support-toast{right:var(--space-3);bottom:max(var(--space-3),env(safe-area-inset-bottom));left:var(--space-3);max-width:none;text-align:center}}@media (prefers-reduced-motion:reduce){.support-community-dialog{scroll-behavior:auto}}.data-management-page .teaching-data-panel,.settings-v2-page .settings-v2-card{border-radius:var(--radius-lg)}.account-data-settings{--account-data-label-width:7rem}.account-data-settings>.settings-v2-section-heading p{max-width:none}.account-data-rows{margin:0}.account-data-row{display:grid;grid-template-columns:var(--account-data-label-width,7rem) minmax(0,1fr);align-items:center;grid-gap:var(--space-4);gap:var(--space-4);min-height:60px;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}.account-data-row dt{color:var(--color-text-muted)}.account-data-row dd{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);min-width:0;margin:0;overflow-wrap:anywhere}.account-data-metadata dd,.account-data-number{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.account-data-muted{color:var(--color-text-muted)}.account-phone-controls{min-width:0}.account-phone-controls .account-phone-unbind{color:var(--color-text-muted);font-weight:400}.account-phone-controls .account-phone-unbind:hover:not(:disabled){color:var(--color-danger)}.account-phone-feedback{padding:var(--space-2) var(--space-4) var(--space-3)}.account-phone-bind{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:var(--space-3);gap:var(--space-3);max-width:36rem;padding:var(--space-4)}.account-phone-bind>.teaching-data-actions,.account-phone-bind>p{grid-column:1/-1}.account-data-storage dd{display:grid;justify-content:start;grid-gap:var(--space-1);gap:var(--space-1)}.account-data-entry p,.account-data-storage p{margin:0;color:var(--color-text-muted);font-size:var(--font-size-xs);line-height:1.6}.account-data-entry{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-4);border-bottom:1px solid var(--color-border)}.account-data-entry h3{margin:0 0 var(--space-1);font-size:var(--font-size-sm);font-weight:600}.account-data-metadata{display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-6);margin:0;padding:var(--space-3) var(--space-4);color:var(--color-text-muted);font-size:var(--font-size-xs)}.account-data-metadata>div{display:flex;flex-wrap:wrap;gap:var(--space-2);min-width:0}.account-data-metadata dd{margin:0;overflow-wrap:anywhere}.ui-page.data-management-page{width:min(100%,860px);margin-inline:auto;gap:var(--space-5)}.data-management-page .teaching-data-panel{min-width:0;padding:0;overflow:hidden}.teaching-data-panel-heading{display:grid;grid-gap:var(--space-1);gap:var(--space-1);padding:var(--space-5) var(--space-6) var(--space-4);border-bottom:1px solid var(--color-border)}.teaching-data-panel-heading h2{margin:0;font-size:var(--font-size-md);font-weight:600}.teaching-data-description,.teaching-data-panel-heading p{margin:0;color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.6}.teaching-data-panel-content{display:grid;grid-gap:var(--space-3);gap:var(--space-3);min-width:0;padding:var(--space-4) var(--space-6) var(--space-5)}.teaching-data-panel-content>p{margin:0}.teaching-data-details{min-width:0;font-size:var(--font-size-sm);line-height:1.6}.teaching-data-details summary{width:-moz-fit-content;width:fit-content;min-height:var(--control-md);padding-block:var(--space-2);color:var(--color-primary);cursor:pointer}.teaching-data-details summary:hover{text-decoration:underline;text-underline-offset:var(--space-1)}.teaching-data-notes{display:grid;grid-gap:var(--space-3);gap:var(--space-3);margin:var(--space-2) 0 var(--space-3);padding-left:var(--space-4);border-left:1px solid var(--color-border-strong)}.teaching-data-notes>div{display:grid;grid-template-columns:5rem minmax(0,1fr);grid-gap:var(--space-3);gap:var(--space-3)}.teaching-data-notes dt{color:var(--color-text)}.teaching-data-notes dd{margin:0;color:var(--color-text-muted);overflow-wrap:anywhere}.teaching-data-consent{display:flex;align-items:flex-start;gap:var(--space-2);width:-moz-fit-content;width:fit-content;min-height:var(--control-md);padding-block:var(--space-2);font-size:var(--font-size-sm);line-height:1.5;cursor:pointer}.teaching-data-consent input[type=checkbox]{flex:0 0 var(--space-4);width:var(--space-4);height:var(--space-4);min-height:0;margin:var(--space-1) 0 0;padding:0;border-radius:var(--radius-xs);-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;accent-color:var(--color-primary);cursor:inherit}.teaching-data-consent:has(input:disabled){color:var(--color-text-muted);cursor:not-allowed}.teaching-data-backup-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-2) var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--color-border)}.teaching-data-actions{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-2)}.teaching-data-warning{color:color-mix(in srgb,var(--color-warning) 74%,var(--color-text))}.teaching-data-error,.teaching-data-warning{font-size:var(--font-size-sm);line-height:1.6}.teaching-data-error{color:var(--color-danger)}.teaching-data-file{min-width:0;max-width:34rem}.teaching-data-file input[type=file]{width:100%;min-width:0;min-height:var(--control-lg);padding:var(--space-1);border-color:var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-input);color:var(--color-text);font-size:var(--font-size-sm);line-height:1.5}.teaching-data-file input[type=file]::-webkit-file-upload-button{min-height:var(--control-sm);margin-right:var(--space-3);padding:var(--space-1) var(--space-3);border:0;border-radius:var(--radius-xs);background:var(--color-surface-muted);color:var(--color-text);font:inherit;cursor:pointer}.teaching-data-file input[type=file]::file-selector-button{min-height:var(--control-sm);margin-right:var(--space-3);padding:var(--space-1) var(--space-3);border:0;border-radius:var(--radius-xs);background:var(--color-surface-muted);color:var(--color-text);font:inherit;cursor:pointer}.teaching-data-file input[type=file]:disabled::-webkit-file-upload-button{background:var(--color-disabled);color:var(--color-disabled-text);cursor:not-allowed}.teaching-data-file input[type=file]:disabled::file-selector-button{background:var(--color-disabled);color:var(--color-disabled-text);cursor:not-allowed}.teaching-data-task-list:empty{display:none}.teaching-data-task{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);min-width:0;padding-top:var(--space-4);border-top:1px solid var(--color-border)}.teaching-data-task+.teaching-data-task{margin-top:var(--space-4)}.teaching-data-task-copy{display:grid;justify-items:start;grid-gap:var(--space-2);gap:var(--space-2);min-width:0;font-size:var(--font-size-sm);line-height:1.6}.teaching-data-task-copy h3{margin:0;font-size:var(--font-size-sm);font-weight:600}.teaching-data-task-copy p{margin:0;overflow-wrap:anywhere}.teaching-data-task-meta{color:var(--color-text-muted);font-size:var(--font-size-xs)}.teaching-data-counts{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.teaching-data-confirmation{display:grid;justify-items:start;grid-gap:var(--space-3);gap:var(--space-3);min-width:0;width:100%;padding-top:var(--space-2)}.teaching-data-confirmation>.ui-form-field{width:min(100%,18rem)}.teaching-data-other-tasks{display:flex;flex-wrap:wrap;gap:var(--space-2)}@media (max-width:560px){.account-data-settings,.account-phone-controls{--account-data-label-width:4rem}.account-data-row{gap:var(--space-3);padding-inline:var(--space-3)}.account-data-row dd{gap:var(--space-1);flex-wrap:wrap}.account-data-row .ui-dialog-trigger{margin-left:auto}.account-phone-bind{grid-template-columns:1fr;padding:var(--space-3)}.account-data-entry,.account-data-metadata,.account-phone-feedback{padding-inline:var(--space-3)}.account-data-metadata{display:grid}.teaching-data-panel-content,.teaching-data-panel-heading{padding:var(--space-4)}.teaching-data-task{flex-direction:column;gap:var(--space-3)}.teaching-data-notes>div{grid-template-columns:1fr;gap:var(--space-1)}.account-data-entry .ui-button,.account-phone-controls .ui-button,.teaching-data-actions .ui-button,.teaching-data-consent,.teaching-data-details summary,.teaching-data-task .ui-button{min-height:var(--control-touch)}}