.uf-page{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--dp-bg-canvas)}.uf-wrap{width:100%;max-width:560px;margin:0 auto}.uf-stepper{padding:16px var(--dp-page-gutter) 0}.uf-main{flex:1;width:100%;max-width:560px;margin:0 auto;padding:0 var(--dp-page-gutter) 40px}.uf-main button{background:none;border:0;padding:0;text-align:left}.uf-intro{margin-top:var(--dp-space-6)}.uf-intro h1{margin:0;font-size:var(--dp-type-page-size);line-height:var(--dp-type-page-line);font-weight:700;letter-spacing:var(--dp-type-page-tracking)}.uf-intro p{margin:6px 0 0;font-size:var(--dp-type-secondary-size);line-height:var(--dp-type-secondary-line);color:var(--dp-fg-tertiary)}.uf-dates{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:20px}.uf-main .uf-date{height:64px;border-radius:12px;background:var(--dp-bg-surface);box-shadow:inset 0 0 0 1px var(--dp-line-default);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-align:center}.uf-date b{font-size:16px;line-height:22px;font-weight:600;font-variant-numeric:tabular-nums}.uf-date i{font-style:normal;font-size:12px;line-height:18px;font-weight:500;color:var(--dp-fg-tertiary)}.uf-main .uf-date.zero{background:var(--dp-bg-subtle);box-shadow:none}.uf-date.zero b{color:var(--dp-fg-tertiary);font-weight:500}.uf-main .uf-date.has{box-shadow:inset 0 0 0 1px var(--dp-palette-brand-300)}.uf-date.has i{color:var(--dp-fg-brand)}.uf-main .uf-date.on{background:var(--dp-bg-brand-weak);box-shadow:inset 0 0 0 2px var(--dp-line-focus)}.uf-main .uf-date.on.zero{background:var(--dp-bg-surface)}.uf-date.on b,.uf-date.on i{color:var(--dp-fg-brand)}.uf-date.sk{box-shadow:none}.uf-search{position:relative;display:block;margin-top:12px}.uf-search>svg{position:absolute;left:14px;top:14px;color:var(--dp-fg-tertiary);pointer-events:none}.uf-search input{width:100%;height:48px;border:0;border-radius:12px;background:var(--dp-bg-subtle);padding:0 48px 0 44px;font-size:16px;outline:none}.uf-search input::placeholder{color:var(--dp-fg-placeholder)}.uf-search input:focus{background:var(--dp-bg-surface);box-shadow:inset 0 0 0 2px var(--dp-line-focus)}.uf-main .uf-search-clear{position:absolute;right:0;top:0;width:48px;height:48px;display:grid;place-items:center;color:var(--dp-fg-tertiary)}.uf-results-head{display:flex;align-items:baseline;justify-content:space-between;margin:20px 0 8px;min-height:24px}.uf-results-head h2{margin:0;font-size:16px;line-height:24px;font-weight:600}.uf-results-head h2 em{font-style:normal;color:var(--dp-fg-brand);font-weight:700}.uf-live{font-size:13px;line-height:20px;font-weight:500;color:var(--dp-fg-tertiary)}.uf-list{margin:0;padding:0;list-style:none;background:var(--dp-bg-surface);border-radius:16px;box-shadow:inset 0 0 0 1px var(--dp-line-default);overflow:hidden}.uf-main .uf-row{width:100%;display:grid;grid-template-columns:1fr 24px;gap:12px;align-items:center;padding:16px 16px 16px 20px;min-height:88px;position:relative}.uf-list li+li .uf-row{border-top:1px solid var(--dp-line-subtle)}.uf-main .uf-row.sel{background:var(--dp-bg-brand-weak)}.uf-row.sel:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--dp-action-primary)}.uf-row-title{display:block;font-size:16px;line-height:24px;font-weight:600}.uf-row-meta{display:flex;flex-wrap:wrap;gap:2px 8px;margin-top:2px;font-size:15px;line-height:22.5px;color:var(--dp-fg-secondary)}.uf-row-meta b{font-weight:600;color:var(--dp-fg-primary)}.uf-row-time{display:flex;align-items:flex-start;gap:6px;margin-top:6px;font-size:13px;line-height:20px;font-weight:500;color:var(--dp-fg-tertiary);font-variant-numeric:tabular-nums}.uf-row-time svg{margin-top:3px}.uf-row-chev{color:var(--dp-fg-tertiary)}.uf-list mark{background:var(--dp-palette-brand-100);color:inherit;border-radius:3px;padding:0 1px}.uf-sk{background:var(--dp-skeleton-bg);border-radius:var(--dp-skeleton-radius)}@media (prefers-reduced-motion:no-preference){.uf-sk{animation:uf-pulse 1.2s ease-in-out infinite}}@keyframes uf-pulse{50%{opacity:.55}}.uf-srow{padding:18px 20px;min-height:88px;display:grid;gap:10px;align-content:center}.uf-srow+.uf-srow{border-top:1px solid var(--dp-line-subtle)}.uf-state{background:var(--dp-bg-surface);border-radius:16px;box-shadow:inset 0 0 0 1px var(--dp-line-default);padding:40px 24px 32px;text-align:center;display:grid;justify-items:center}.uf-state-ic{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--dp-bg-subtle);color:var(--dp-fg-tertiary)}.uf-state-ic.err{background:var(--dp-bg-danger-weak);color:var(--dp-fg-danger)}.uf-state h3{margin:16px 0 0;font-size:18px;line-height:26px;font-weight:600;letter-spacing:-.01em}.uf-state p{margin:6px 0 0;font-size:15px;line-height:22.5px;color:var(--dp-fg-tertiary);max-width:290px}.uf-main .uf-btn{height:48px;border-radius:14px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:17px;line-height:22px;font-weight:600;text-align:center;margin-top:20px;min-width:160px}.uf-main .uf-btn.sec{background:var(--dp-bg-subtle);color:var(--dp-fg-secondary)}.uf-main .uf-btn.pri{background:var(--dp-action-primary);color:var(--dp-fg-on-action)}.uf-main .uf-jump{margin-top:12px;width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--dp-bg-brand-weak);border-radius:14px;padding:12px 16px;min-height:56px}.uf-jump>span:first-child{font-size:15px;line-height:22px;color:var(--dp-fg-secondary)}.uf-jump b{font-weight:700}.uf-jump b,.uf-jump-go{color:var(--dp-fg-brand)}.uf-jump-go{display:inline-flex;align-items:center;gap:2px;font-size:15px;font-weight:600;white-space:nowrap}.uf-scrim{position:fixed;inset:0;z-index:20;background:var(--dp-scrim);display:flex;align-items:flex-end;justify-content:center}@media (prefers-reduced-motion:no-preference){.uf-scrim{animation:uf-fade var(--dp-duration-fade) var(--dp-ease-standard) both}.uf-sheet{animation:uf-rise var(--dp-duration-enter) var(--dp-ease-enter) both}}@keyframes uf-fade{0%{opacity:0}}@keyframes uf-rise{0%{transform:translateY(100%)}}.uf-sheet{width:100%;max-width:560px;max-height:calc(100dvh - 48px);overflow-y:auto;background:var(--dp-sheet-bg);border-radius:24px 24px 0 0;box-shadow:var(--dp-shadow-medium-up);padding:0 var(--dp-sheet-padding-x) calc(24px + env(safe-area-inset-bottom, 0px))}.uf-sheet button{background:none;border:0;padding:0}.uf-handle{display:block;width:40px;height:4px;border-radius:2px;background:var(--dp-sheet-handle);margin:8px auto 0}.uf-sheet h2{margin:0;padding-top:16px;font-size:20px;line-height:28px;font-weight:700;letter-spacing:-.015em}.uf-sheet-desc{margin:4px 0 0;color:var(--dp-fg-tertiary)}.uf-kv,.uf-sheet-desc{font-size:15px;line-height:22.5px}.uf-kv{margin:16px 0 0;display:grid;grid-template-columns:64px 1fr;gap:10px 12px;padding:16px 0;border-top:1px solid var(--dp-line-subtle);border-bottom:1px solid var(--dp-line-subtle)}.uf-kv dt{color:var(--dp-fg-tertiary)}.uf-kv dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}.uf-kv dd span{display:block;font-weight:400;color:var(--dp-fg-secondary)}.uf-sheet-acts{display:grid;grid-template-columns:112px 1fr;gap:8px;margin-top:20px}.uf-sheet .uf-sheet-acts button{height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600}.uf-sheet .uf-sheet-acts .sec{background:var(--dp-bg-subtle);color:var(--dp-fg-secondary)}.uf-sheet .uf-sheet-acts .pri{background:var(--dp-action-primary);color:var(--dp-fg-on-action)}.uf-surface{background:var(--dp-bg-surface);border-radius:16px;box-shadow:inset 0 0 0 1px var(--dp-line-default);padding:var(--dp-space-5);margin-top:var(--dp-space-5)}.uf-lesson{padding:0 0 var(--dp-space-5);border-bottom:1px solid var(--dp-line-subtle);display:flex;align-items:flex-start;justify-content:space-between;gap:var(--dp-space-3)}.uf-lesson-title{margin:0;font-size:var(--dp-type-title-size);line-height:var(--dp-type-title-line);font-weight:600;letter-spacing:var(--dp-type-title-tracking)}.uf-lesson-meta{margin:var(--dp-space-1) 0 0;padding:0;list-style:none;display:grid;gap:2px}.uf-lesson-meta li{display:flex;align-items:center;gap:6px;font-size:var(--dp-type-meta-size);line-height:var(--dp-type-meta-line);color:var(--dp-fg-secondary);font-weight:500}.uf-lesson-meta svg{color:var(--dp-fg-tertiary)}.uf-main .uf-btn-text{flex:none;min-height:44px;margin:-10px -8px 0 0;padding:0 var(--dp-space-2);font-size:var(--dp-type-button-s-size);font-weight:600;color:var(--dp-fg-brand)}.uf-main .uf-btn-text:disabled{color:var(--dp-fg-tertiary);opacity:.6}.uf-block{margin-top:var(--dp-space-8)}.uf-alert+.uf-block,.uf-lesson+.uf-alert,.uf-lesson+.uf-block{margin-top:var(--dp-space-6)}.uf-block-head{display:flex;align-items:center;justify-content:space-between;gap:var(--dp-space-3)}.uf-block h2{margin:0;font-size:var(--dp-type-section-size);line-height:var(--dp-type-section-line);font-weight:700;letter-spacing:var(--dp-type-section-tracking)}.uf-badges{display:flex;gap:var(--dp-space-2)}.uf-help{margin:var(--dp-space-1) 0 0;font-size:var(--dp-type-meta-size);line-height:var(--dp-type-meta-line);color:var(--dp-fg-tertiary)}.uf-badge{display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 var(--dp-space-2);border-radius:var(--dp-badge-m-radius);font-size:var(--dp-type-caption-size);font-weight:600;white-space:nowrap;flex:none}.uf-badge.neutral{background:var(--dp-badge-weak-neutral-bg);color:var(--dp-badge-weak-neutral-fg)}.uf-badge.brand{background:var(--dp-badge-weak-brand-bg);color:var(--dp-badge-weak-brand-fg)}.uf-badge.success{background:var(--dp-badge-weak-success-bg);color:var(--dp-badge-weak-success-fg)}.uf-drop{position:relative;margin-top:var(--dp-space-4);width:100%;min-height:var(--dp-upload-min-height);border:var(--dp-upload-border-width) dashed var(--dp-upload-border);border-radius:var(--dp-upload-radius);background:var(--dp-upload-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:var(--dp-space-5) var(--dp-space-4);text-align:center;cursor:pointer}.uf-drop input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;clip:rect(0 0 0 0)}.uf-drop:focus-within{outline:2px solid var(--dp-line-focus);outline-offset:2px}.uf-drop[aria-disabled=true]{opacity:.5;cursor:not-allowed}.uf-drop-ic{width:44px;height:44px;border-radius:50%;background:var(--dp-bg-brand-weak);color:var(--dp-fg-brand);display:grid;place-items:center;margin-bottom:var(--dp-space-2)}.uf-drop-title{font-size:var(--dp-type-label-size);line-height:var(--dp-type-label-line);font-weight:600}.uf-drop-sub{font-size:var(--dp-type-meta-size);line-height:var(--dp-type-meta-line);color:var(--dp-fg-tertiary)}.uf-drop.compact{min-height:52px;flex-direction:row;gap:var(--dp-space-2);padding:0 var(--dp-space-4);font-size:var(--dp-type-button-m-size);font-weight:600;color:var(--dp-fg-brand)}.uf-grid{margin:var(--dp-space-4) 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--dp-space-2)}.uf-tile{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;background:var(--dp-bg-subtle)}.uf-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.uf-tile.is-rep:after{content:"";position:absolute;inset:0;border-radius:12px;box-shadow:inset 0 0 0 3px var(--dp-action-primary);pointer-events:none}.uf-main .uf-rep{position:absolute;left:0;bottom:0;min-width:44px;height:44px;z-index:1;display:flex;align-items:center;justify-content:center;gap:4px;padding:0 var(--dp-space-2);color:var(--dp-fg-on-action)}.uf-rep:before{content:"";position:absolute;left:6px;bottom:6px;width:32px;height:32px;border-radius:16px;background:var(--dp-bg-inverse);opacity:.78;transition:background-color var(--dp-duration-fade) var(--dp-ease-standard)}.uf-rep>*{position:relative}.uf-main .uf-rep[aria-pressed=true]{padding:0 14px 0 12px}.uf-rep[aria-pressed=true]:before{width:auto;right:6px;background:var(--dp-action-primary);opacity:1}.uf-rep-label{font-size:var(--dp-type-caption-size);font-weight:700}.uf-main .uf-tile-x{position:absolute;right:0;top:0;z-index:1;width:44px;height:44px;display:grid;place-items:center;color:var(--dp-fg-on-action)}.uf-tile-x:before{content:"";position:absolute;width:24px;height:24px;border-radius:12px;background:var(--dp-bg-inverse);opacity:.78}.uf-tile-x>*{position:relative}.uf-files{margin:var(--dp-space-4) 0 0;padding:0;list-style:none;display:grid}.uf-file{display:flex;align-items:center;gap:var(--dp-space-3);min-height:64px;padding:var(--dp-space-2) 0;border-top:1px solid var(--dp-line-subtle)}.uf-file:first-child{border-top:0}.uf-thumb{width:var(--dp-upload-file-thumb);height:var(--dp-upload-file-thumb);border-radius:8px;overflow:hidden;flex:none;position:relative;background:var(--dp-bg-subtle);display:grid;place-items:center;color:var(--dp-fg-secondary)}.uf-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.uf-file-text{min-width:0;flex:1;display:grid}.uf-file-text strong{font-size:var(--dp-type-secondary-size);line-height:22px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.uf-file-text>span{font-size:var(--dp-type-meta-size);line-height:var(--dp-type-meta-line);color:var(--dp-fg-tertiary)}.uf-main .uf-icon-btn{flex:none;width:44px;height:44px;margin-right:-10px;display:grid;place-items:center;color:var(--dp-fg-tertiary);border-radius:12px}.uf-main .uf-list-row{width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:var(--dp-space-3);border-top:1px solid var(--dp-line-subtle);border-bottom:1px solid var(--dp-line-subtle)}.uf-main .uf-list-row:disabled{opacity:.6}.uf-list-text{display:grid}.uf-list-text strong{font-size:var(--dp-type-label-size);line-height:var(--dp-type-label-line);font-weight:600}.uf-list-text span{line-height:var(--dp-type-meta-line);color:var(--dp-fg-tertiary)}.uf-list-end,.uf-list-text span{font-size:var(--dp-type-meta-size)}.uf-list-end{display:flex;align-items:center;gap:2px;font-weight:600;color:var(--dp-fg-brand)}.uf-sess-list{margin:var(--dp-space-3) 0 0;padding:0;list-style:none;max-height:324px;overflow-y:auto}.uf-sess-row{display:flex;align-items:center;gap:var(--dp-space-3);min-height:64px;border-top:1px solid var(--dp-line-subtle)}.uf-sess-row:first-child{border-top:0}.uf-seg{flex:none;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(56px,auto);background:var(--dp-segmented-track-bg);border-radius:12px;padding:3px}.uf-sheet .uf-seg button{min-height:38px;padding:0 var(--dp-space-2);border-radius:10px;font-size:var(--dp-type-button-s-size);font-weight:600;color:var(--dp-segmented-fg);text-align:center}.uf-sheet .uf-seg button[aria-checked=true]{background:var(--dp-segmented-thumb-bg);color:var(--dp-segmented-selected-fg);box-shadow:var(--dp-shadow-tiny);font-weight:700}.uf-sess-row.stack{flex-wrap:wrap;row-gap:var(--dp-space-2);padding:var(--dp-space-3) 0}.uf-sess-all .uf-seg,.uf-sess-row.stack .uf-seg{flex:1 1 100%;grid-auto-columns:1fr}.uf-sheet .uf-sess-all .uf-seg button,.uf-sheet .uf-sess-row.stack .uf-seg button{padding:var(--dp-space-1) var(--dp-space-1);line-height:18px}.uf-sess-all{display:flex;flex-wrap:wrap;gap:var(--dp-space-2);margin-top:var(--dp-space-3);padding:var(--dp-space-3);border-radius:12px;background:var(--dp-bg-brand-weak)}.uf-sess-all-label{font-size:var(--dp-type-meta-size);line-height:var(--dp-type-meta-line);font-weight:600;color:var(--dp-fg-brand)}.uf-file-text>.uf-err,.uf-list-text .uf-err{color:var(--dp-fg-danger)}.uf-required{font-weight:500;font-size:var(--dp-type-meta-size)}.uf-more-hint,.uf-required{color:var(--dp-fg-tertiary)}.uf-more-hint{text-align:center;font-size:var(--dp-type-caption-size);margin:var(--dp-space-2) 0 var(--dp-space-3)}.uf-sheet .uf-sheet-done{margin-top:var(--dp-space-4);background:var(--dp-action-primary)}.uf-alert{margin:0;padding:var(--dp-space-4);border-radius:var(--dp-card-radius);background:var(--dp-bg-danger-weak);color:var(--dp-fg-danger);display:flex;gap:var(--dp-space-3);align-items:flex-start}.uf-alert svg{margin-top:2px}.uf-alert strong{display:block;font-size:var(--dp-type-label-size);line-height:var(--dp-type-label-line);font-weight:600}.uf-alert p,.uf-alert ul{margin:0;font-size:var(--dp-type-meta-size);line-height:var(--dp-type-meta-line);color:var(--dp-fg-secondary)}.uf-alert ul{padding-left:18px}.uf-surface>.uf-alert:first-child{margin-bottom:var(--dp-space-5)}.uf-overall{margin-top:var(--dp-space-6)}.uf-overall-top{display:flex;align-items:baseline;justify-content:space-between;gap:var(--dp-space-3);margin-bottom:var(--dp-space-3)}.uf-overall-num{font-size:var(--dp-type-numeric-size);line-height:var(--dp-type-numeric-line);font-weight:700;font-variant-numeric:tabular-nums}.uf-overall-num small{font-size:var(--dp-type-title-size);margin-left:2px}.uf-overall-num small,.uf-overall-sub{font-weight:600;color:var(--dp-fg-secondary)}.uf-overall-sub{font-size:var(--dp-type-secondary-size);text-align:right}.uf-bar{background:var(--dp-loader-track);border-radius:999px;overflow:hidden}.uf-bar>span{display:block;height:100%;background:var(--dp-action-primary);border-radius:999px;transition:width var(--dp-duration-control) var(--dp-ease-standard)}.uf-bar.thick{height:var(--dp-chart-progress-thick)}.uf-bar.thin{height:var(--dp-chart-progress-thin);margin-top:6px}.uf-overall .uf-help{margin-top:var(--dp-space-3)}.uf-pct{flex:none;font-size:var(--dp-type-meta-size);font-weight:700;color:var(--dp-fg-brand);font-variant-numeric:tabular-nums;min-width:36px;text-align:right}.uf-meta-line{display:flex;align-items:center;gap:var(--dp-space-2)}.uf-rep-mini{display:inline-flex;align-items:center;gap:2px;font-size:var(--dp-type-caption-size);font-weight:600;color:var(--dp-fg-brand)}.uf-rep-mini .dp-icon-outline{opacity:0}.uf-rep-mini .dp-icon-fill{opacity:1;transform:none}.uf-err{color:var(--dp-fg-danger);font-weight:600}.uf-main .uf-btn-s{flex:none;min-height:44px;padding:0 var(--dp-space-3);border-radius:var(--dp-button-m-radius);display:inline-flex;align-items:center;gap:4px;font-size:var(--dp-type-button-s-size);font-weight:600;white-space:nowrap}.uf-main .uf-btn-s.retry{background:var(--dp-button-weak-danger-bg);color:var(--dp-button-weak-danger-fg)}.uf-main .uf-more{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;gap:4px;border-top:1px solid var(--dp-line-subtle);font-size:var(--dp-type-button-m-size);font-weight:600;color:var(--dp-fg-secondary)}.uf-cta{position:sticky;bottom:0;z-index:5;background:var(--dp-bottom-cta-bg);box-shadow:var(--dp-shadow-weak-up)}.uf-cta-inner{max-width:560px;margin:0 auto;padding:var(--dp-space-3) var(--dp-page-gutter) calc(var(--dp-space-3) + env(safe-area-inset-bottom, 0px));display:grid;gap:var(--dp-space-2)}.uf-cta-caption{color:var(--dp-bottom-cta-caption)}.uf-cta-caption,.uf-cta-error{margin:0;text-align:center;font-size:var(--dp-type-caption-size);line-height:var(--dp-type-caption-line)}.uf-cta-error{color:var(--dp-fg-danger);font-weight:600}.uf-cta button{border:0}.uf-btn-neutral,.uf-btn-primary{min-height:52px;border-radius:var(--dp-button-l-radius);padding:0 var(--dp-space-4);display:flex;align-items:center;justify-content:center;gap:var(--dp-space-2);font-size:var(--dp-type-action-size);font-weight:600;width:100%}.uf-btn-primary{background:var(--dp-action-primary);color:var(--dp-fg-on-action)}.uf-btn-primary:disabled{background:var(--dp-bg-subtle-pressed);color:var(--dp-fg-tertiary)}.uf-btn-neutral{background:var(--dp-button-weak-neutral-bg);color:var(--dp-button-weak-neutral-fg)}.uf-btn-neutral.wide{min-height:48px;font-size:var(--dp-type-button-m-size)}.uf-two{display:grid;grid-template-columns:1fr 1fr;gap:var(--dp-space-2)}.uf-two.split{grid-template-columns:112px 1fr}.uf-two .uf-btn-neutral,.uf-two .uf-btn-primary{font-size:var(--dp-type-button-m-size)}.uf-done-main{padding-top:var(--dp-space-6)}.uf-done{text-align:center;padding:var(--dp-space-10) var(--dp-space-5) var(--dp-space-5);margin-top:0}.uf-done-mark{display:block;margin:0 auto var(--dp-space-5)}@media (prefers-reduced-motion:no-preference){.uf-done-mark{animation:uf-pop var(--dp-duration-celebrate) cubic-bezier(.2,.9,.3,1.2) both}}@keyframes uf-pop{0%{transform:scale(var(--dp-motion-scale-pop-from));opacity:0}to{transform:none;opacity:1}}.uf-done h1{margin:0;font-size:var(--dp-type-question-size);line-height:var(--dp-type-question-line);font-weight:700;letter-spacing:var(--dp-type-question-tracking)}.uf-done-copy{margin:var(--dp-space-3) 0 0;font-size:var(--dp-type-secondary-size);line-height:var(--dp-type-secondary-line);color:var(--dp-fg-secondary)}.uf-receipt{margin:var(--dp-space-6) 0 0;text-align:left;border-top:1px solid var(--dp-line-default)}.uf-receipt>div{display:flex;justify-content:space-between;gap:var(--dp-space-4);padding:var(--dp-space-4) 0;border-bottom:1px solid var(--dp-line-subtle)}.uf-receipt dt{flex:none;width:72px;color:var(--dp-fg-tertiary)}.uf-receipt dd,.uf-receipt dt{font-size:var(--dp-type-secondary-size)}.uf-receipt dd{margin:0;flex:1;text-align:right;line-height:22px;font-weight:600}.uf-receipt dd span{font-weight:500;font-size:var(--dp-type-meta-size);color:var(--dp-fg-tertiary)}.uf-row-done{align-items:center;gap:6px;margin-top:6px;font-size:13px;font-weight:600}.uf-row-done,.uf-sheet-note{display:flex;line-height:20px;color:var(--dp-fg-success)}.uf-sheet-note{margin:12px 0 0;padding:10px 12px;border-radius:12px;background:var(--dp-bg-success-weak);font-size:14px;font-weight:500;gap:8px;align-items:flex-start}.uf-sheet-note svg{flex:none;margin-top:2px}.uf-lesson-meta li.done,.uf-lesson-meta li.done svg{color:var(--dp-fg-success)}.uf-done-note{margin:var(--dp-space-3) 0 0;font-size:var(--dp-type-meta-size);line-height:var(--dp-type-meta-line);color:var(--dp-fg-tertiary)}.uf-surface>.uf-prep-bar{margin:0 0 var(--dp-space-4)}.uf-bar.indeterminate>span{width:40%;transition:none}@media (prefers-reduced-motion:no-preference){.uf-bar.indeterminate>span{animation:uf-slide 1.2s var(--dp-ease-standard) infinite}}@keyframes uf-slide{0%{transform:translateX(-100%)}to{transform:translateX(250%)}}.uf-spin{width:18px;height:18px;border-radius:50%;border-right-color:currentcolor;border:var(--dp-loader-stroke) solid;border-right:var(--dp-loader-stroke) solid transparent;flex:none}@media (prefers-reduced-motion:no-preference){.uf-spin{animation:uf-rotate var(--dp-loader-rotation-duration) linear infinite}}@keyframes uf-rotate{to{transform:rotate(1turn)}}.uf-btn-primary.is-busy:disabled{background:var(--dp-action-primary);color:var(--dp-fg-on-action);opacity:.85}.uf-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.uf-alert li,.uf-alert p,.uf-cta-caption,.uf-cta-error,.uf-help{font-size:15px;line-height:22px}.uf-row-remaining{color:var(--dp-fg-warning);font-weight:600}.uf-badge.warning{background:var(--dp-badge-weak-warning-bg);color:var(--dp-badge-weak-warning-fg)}.uf-lesson-sum{margin:var(--dp-space-3) 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:var(--dp-space-2);font-size:15px;font-weight:600;color:var(--dp-fg-secondary)}.uf-surface>.uf-help{margin-top:var(--dp-space-4)}.uf-blks{margin-top:var(--dp-space-2)}.uf-blk{margin-top:var(--dp-space-6);padding-top:var(--dp-space-6);border-top:1px solid var(--dp-line-subtle)}.uf-blk.is-next{border:2px solid var(--dp-action-primary);border-radius:16px;padding:var(--dp-space-4);margin:var(--dp-space-6) -6px 0;background:var(--dp-bg-surface)}.uf-blk-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--dp-space-2) var(--dp-space-3)}.uf-blk-head h2{margin:0;font-size:18px;line-height:26px;font-weight:700;letter-spacing:var(--dp-type-section-tracking);flex:1 1 150px;min-width:0}.uf-chip-line{margin:var(--dp-space-2) 0 0}.uf-blk .uf-grid{margin-top:var(--dp-space-3)}.uf-blk .uf-files{margin-top:var(--dp-space-2)}.uf-prompt{margin:var(--dp-space-3) 0 0}.uf-prompt strong{display:block;font-size:16px;line-height:24px;font-weight:700;color:var(--dp-fg-brand)}.uf-prompt span{display:block;font-size:15px;line-height:22px;color:var(--dp-fg-secondary);margin-top:2px}.uf-prompt.idle strong{color:var(--dp-fg-secondary);font-weight:600}.uf-add-row{margin-top:var(--dp-space-3);display:grid;grid-template-columns:1fr 1fr;gap:var(--dp-space-2)}.uf-btn-add{position:relative;overflow:hidden;min-height:48px;padding:0 var(--dp-space-2);border-radius:14px;display:flex;align-items:center;justify-content:center;gap:6px;border:1.5px dashed var(--dp-upload-border);background:var(--dp-upload-bg);color:var(--dp-fg-brand);font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer}.uf-btn-add.solid{border:0;background:var(--dp-action-primary);color:var(--dp-fg-on-action)}.uf-btn-add input{position:absolute;inset:0;opacity:0;cursor:pointer}.uf-btn-add[aria-disabled=true]{opacity:.5}.uf-main .uf-tile-hit{position:absolute;inset:0;z-index:1;width:100%;height:100%;border-radius:12px}.uf-dup,.uf-main .uf-tile .uf-rep{z-index:2}.uf-dup{position:absolute;right:6px;top:6px;height:28px;padding:0 8px;border-radius:14px;display:inline-flex;align-items:center;gap:3px;background:var(--dp-bg-inverse);color:var(--dp-fg-on-action);font-size:14px;font-weight:600;opacity:.88}.uf-tile.is-dup img{opacity:.8}.uf-main .uf-file-hit{flex:1;min-width:0;min-height:44px;display:flex;align-items:center;gap:var(--dp-space-3);text-align:left}.uf-sheet .uf-btn-primary{background:var(--dp-action-primary);color:var(--dp-fg-on-action)}.uf-sheet .uf-btn-neutral{background:var(--dp-button-weak-neutral-bg);color:var(--dp-button-weak-neutral-fg)}.uf-sheet-acts.stack{grid-template-columns:1fr}.uf-empty-list{margin:var(--dp-space-3) 0 0;padding:0;list-style:none;border-top:1px solid var(--dp-line-subtle)}.uf-empty-list li{display:flex;align-items:center;gap:var(--dp-space-3);min-height:52px;border-bottom:1px solid var(--dp-line-subtle);font-size:16px;font-weight:600}.uf-empty-list svg{color:var(--dp-fg-warning);flex:none}.uf-menu-head{display:flex;align-items:center;gap:var(--dp-space-3);padding-bottom:var(--dp-space-3);border-bottom:1px solid var(--dp-line-subtle)}.uf-menu-head .uf-thumb{width:56px;height:56px;border-radius:10px}.uf-menu-head strong{display:block;font-size:17px;line-height:24px;font-weight:700;word-break:break-all}.uf-menu-head span.sub{display:block;font-size:15px;line-height:22px;color:var(--dp-fg-tertiary)}.uf-sheet .uf-menu-row{width:100%;min-height:56px;display:flex;align-items:center;gap:var(--dp-space-3);text-align:left;font-size:17px;font-weight:600;border-bottom:1px solid var(--dp-line-subtle)}.uf-menu-row .grow{flex:1;min-width:0}.uf-menu-row svg{color:var(--dp-fg-secondary);flex:none}.uf-menu-row.danger svg,.uf-sheet .uf-menu-row.danger{color:var(--dp-fg-danger)}.uf-move-list{background:var(--dp-bg-subtle);margin:0 calc(-1 * var(--dp-page-gutter));padding:0 var(--dp-page-gutter) var(--dp-space-2);border-bottom:1px solid var(--dp-line-subtle)}.uf-move-hint{margin:0;padding-top:var(--dp-space-3);font-size:15px;line-height:22px;color:var(--dp-fg-tertiary)}.uf-sheet .uf-move-opt{width:100%;min-height:56px;display:flex;align-items:center;gap:var(--dp-space-3);text-align:left;font-size:16px;font-weight:600}.uf-move-opt+.uf-move-opt{border-top:1px solid var(--dp-line-subtle)}.uf-move-opt .grow{flex:1;min-width:0}.uf-move-opt .tail{font-size:15px;font-weight:500}.uf-move-opt .tail,.uf-sheet .uf-move-opt.here{color:var(--dp-fg-tertiary)}.uf-note{margin-top:var(--dp-space-4);padding:var(--dp-space-4);border-radius:var(--dp-card-radius);background:var(--dp-bg-subtle);display:flex;gap:var(--dp-space-3);align-items:flex-start;color:var(--dp-fg-secondary)}.uf-note strong{display:block;font-size:16px;line-height:24px;font-weight:700;color:var(--dp-fg-primary)}.uf-note p{font-size:15px;line-height:22px;color:var(--dp-fg-secondary);margin:2px 0 0}.uf-note>svg{margin-top:2px;color:var(--dp-fg-tertiary);flex:none}.uf-note.warn{background:var(--dp-bg-warning-weak)}.uf-note.warn>svg{color:var(--dp-fg-warning)}.uf-main .uf-note .link{min-height:44px;margin-left:-8px;padding:0 8px;font-size:16px;font-weight:600;color:var(--dp-fg-secondary);display:inline-flex;align-items:center}.uf-ov-title{margin:0;font-size:20px;line-height:28px;font-weight:700;letter-spacing:var(--dp-type-section-tracking)}.uf-ov-title b{color:var(--dp-fg-brand);font-variant-numeric:tabular-nums}.uf-overall .uf-bar{margin-top:var(--dp-space-3)}.uf-grp{margin-top:var(--dp-space-5);padding-top:var(--dp-space-4);border-top:1px solid var(--dp-line-subtle)}.uf-grp-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2px var(--dp-space-3);min-height:44px}.uf-grp-head h3{margin:0;font-size:17px;line-height:24px;font-weight:700;flex:1 1 140px;min-width:0}.uf-grp-head .cnt{display:inline-flex;align-items:center;gap:4px;font-size:15px;font-weight:600;color:var(--dp-fg-secondary);font-variant-numeric:tabular-nums}.uf-grp-head .cnt.ok{color:var(--dp-fg-success)}.uf-grp .uf-files{margin-top:var(--dp-space-1)}.uf-bar.hold>span{background:var(--dp-palette-slate-400)}.uf-done-actions{margin-top:var(--dp-space-5);display:grid;gap:var(--dp-space-2);justify-items:center}.uf-close-note{margin:var(--dp-space-3) 0 0;font-size:15px;line-height:22px;color:var(--dp-fg-tertiary);text-align:center}.uf-warn-line{margin-top:var(--dp-space-5);padding:var(--dp-space-4);border-radius:var(--dp-card-radius);background:var(--dp-bg-warning-weak);text-align:left;display:flex;gap:var(--dp-space-3)}.uf-warn-line>svg{margin-top:2px;color:var(--dp-fg-warning);flex:none}.uf-warn-line strong{display:block;font-size:16px;line-height:24px;font-weight:700}.uf-warn-line p{font-size:15px;line-height:22px;color:var(--dp-fg-secondary);margin:2px 0 0}@media (max-width:340px){.uf-add-row{grid-template-columns:1fr}.uf-blk.is-next{margin-left:-2px;margin-right:-2px}}.uf-sheet-body{margin:var(--dp-space-2) 0 0;font-size:16px;line-height:24px;color:var(--dp-fg-secondary)}.uf-sheet-body b{color:var(--dp-fg-primary);font-weight:700}.uf-cta .uf-btn-text.quiet{display:block;width:100%;min-height:44px;margin-top:var(--dp-space-2);background:none;border:0;font-size:16px;font-weight:600;color:var(--dp-fg-secondary);text-align:center}