.dsh-main:has(.rd-hub){padding:20px 26px 44px}@media (width<=720px){.dsh-main:has(.rd-hub){padding:18px 14px 26px}}.rd-hub__title{letter-spacing:-.02em;margin:0 0 14px;font-size:1.6rem;font-weight:800;line-height:1.1}.rd-panel__head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px 24px;margin-bottom:16px;display:flex}.rd-hub__tools{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.rd-lv{border:1px solid var(--color-border);background:var(--color-surface);align-items:center;display:inline-flex}.rd-lv__label{letter-spacing:.05em;text-transform:uppercase;color:var(--color-text-muted);padding:0 10px;font-size:.74rem;font-weight:700}.rd-lv button{min-width:38px;height:34px;font:inherit;color:var(--color-text);border:0;border-left:1px solid var(--color-border);cursor:pointer;background:0 0;border-radius:0;padding:0 6px;font-size:.86rem;font-weight:600;transition:background-color .14s,color .14s}.rd-lv button.is-on{color:#fff;background:var(--color-accent)}:root[data-theme=dark] .rd-lv button.is-on{color:#06293a}.rd-lv button:focus-visible,.rd-random:focus-visible,.rd-tab:focus-visible,.rd-topic:focus-visible,.rd-history a:focus-visible{outline:3px solid var(--color-accent-dark);outline-offset:2px}@media (hover:hover) and (pointer:fine){.rd-lv button:not(.is-on):hover{background:var(--color-accent-light)}}.rd-random{color:#fff;background:var(--color-accent);border:1px solid var(--color-accent);align-items:center;gap:6px;height:36px;padding:0 14px;font-size:.9rem;font-weight:700;text-decoration:none;transition:background-color .14s;display:inline-flex}.rd-random svg{flex-shrink:0;width:16px;height:16px}@media (hover:hover) and (pointer:fine){.rd-random:hover{background:var(--color-accent-dark);border-color:var(--color-accent-dark)}}:root[data-theme=dark] .rd-random{color:#06293a}.rd-hub__body{grid-template-columns:176px minmax(0,1fr);align-items:start;gap:24px;display:grid}.rd-tabs{gap:4px;display:grid}.rd-tab{width:100%;min-height:42px;font:inherit;text-align:left;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);cursor:pointer;border-radius:0;align-items:center;gap:10px;padding:0 12px 0 14px;transition:background-color .14s,color .14s,transform .14s cubic-bezier(.23,1,.32,1);display:flex;position:relative}.rd-tab:before{content:"";background:var(--tab,var(--color-accent));width:4px;position:absolute;top:-1px;bottom:-1px;left:-1px}.rd-tab svg{color:var(--color-text-muted);flex-shrink:0}.rd-tab__abbr{letter-spacing:.02em;font-size:.88rem;font-weight:700}.rd-tab__count{color:var(--color-text-muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:.74rem;font-weight:600}.rd-tab:active{transform:scale(.98)}.rd-tab.is-on{color:#fff;background:var(--color-accent);border-color:var(--color-accent)}.rd-tab.is-on svg,.rd-tab.is-on .rd-tab__count{color:#ffffffe0}:root[data-theme=dark] .rd-tab.is-on{color:#06293a}:root[data-theme=dark] .rd-tab.is-on svg,:root[data-theme=dark] .rd-tab.is-on .rd-tab__count{color:#06293acc}@media (hover:hover) and (pointer:fine){.rd-tab:not(.is-on):hover{background:var(--color-accent-light)}}.rd-panel__title{letter-spacing:-.01em;flex-wrap:wrap;align-items:baseline;gap:10px;margin:0;font-size:1.4rem;font-weight:700;display:flex}.rd-panel__title span{letter-spacing:.05em;color:#fff;background:var(--color-accent);padding:2px 8px;font-size:.78rem;font-weight:700}:root[data-theme=dark] .rd-panel__title span{color:#06293a}.rd-panel__hint{color:var(--color-text-muted);margin:4px 0 0}.rd-topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}@media (width>=721px) and (width<=1279px){.rd-topics{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.rd-topics>.rd-topic{aspect-ratio:1;min-height:0}}@media 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i.is-done{background:#fff}.rd-topic__done{z-index:1;color:var(--color-gold);filter:drop-shadow(0 2px 3px #00000059);line-height:0;animation:.24s cubic-bezier(.23,1,.32,1) rd-drop;display:block;position:absolute;top:0;right:12px}@keyframes rd-drop{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}.rd-credit{color:var(--color-text-muted);margin:16px 0 0;font-size:.76rem}.rd-under{grid-template-columns:minmax(0,1fr);align-items:start;gap:14px;margin-top:22px;display:grid}.rd-history{background:var(--color-surface);border:1px solid var(--color-border);padding:12px 14px 8px}.rd-history h2,.rd-hcoach h2{letter-spacing:.06em;text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:700}.rd-history h2{color:var(--color-text-muted)}.rd-hcoach{color:#5a4700;background:var(--color-gold-light);border:1px solid var(--color-gold);padding:12px 14px;font-size:.92rem;line-height:1.5}:root[data-theme=dark] .rd-hcoach{color:#ffe9a0}.rd-hcoach ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.rd-hcoach li{gap:2px;display:grid}.rd-hcoach a{color:inherit;text-underline-offset:3px;justify-self:start;font-weight:700;text-decoration:underline}.rd-hcoach a:focus-visible{outline:3px solid var(--color-accent-dark);outline-offset:2px}.rd-history ul{grid-template-columns:minmax(0,1fr);column-gap:22px;margin:0;padding:0;list-style:none;display:grid}@media (width>=1100px){.rd-history ul{grid-template-columns:repeat(2,minmax(0,1fr))}}.rd-history li{border-bottom:1px solid var(--color-border)}.rd-history a{color:inherit;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:9px;padding:8px 2px;text-decoration:none;transition:background-color .14s;display:grid}@media (hover:hover) and (pointer:fine){.rd-history a:hover{background:var(--color-accent-light)}}.rd-history__score{text-align:center;font-variant-numeric:tabular-nums;color:#7a5600;background:var(--color-gold-light);min-width:40px;padding:3px 0;font-size:.8rem;font-weight:700}.rd-history__score.is-high{color:var(--color-accent-dark);background:var(--color-accent-light)}.rd-history__score.is-low{color:var(--color-danger);background:var(--color-danger-light)}:root[data-theme=dark] .rd-history__score{color:#ffe9a0;background:#4a3c0a}:root[data-theme=dark] .rd-history__score.is-low{color:#ff8aa8;background:#4a1522}.rd-history__what{min-width:0;display:grid}.rd-history__what b{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.84rem;font-weight:600;line-height:1.25;display:-webkit-box;overflow:hidden}.rd-history__what small{color:var(--color-text-muted);font-size:.72rem}.rd-history__empty{color:var(--color-text-muted);margin:4px 2px 10px;font-size:.86rem;line-height:1.5}@media (width<=720px){.rd-hub__body{grid-template-columns:minmax(0,1fr);gap:14px}.rd-hub__title{margin-bottom:10px;font-size:1.6rem}.rd-tabs{scroll-snap-type:x proximity;scrollbar-width:none;gap:6px;margin:0 -14px;padding:2px 14px 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button{min-width:34px;height:calc(var(--hb,32px) - 8px);font:inherit;color:var(--color-text);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 8px;font-size:.88rem;font-weight:700;transition:background-color .14s,transform .14s cubic-bezier(.23,1,.32,1)}.rd-font button:active:not(:disabled){transform:scale(.94)}.rd-font button:disabled{opacity:.4;cursor:default}.rd-font button:focus-visible{outline:3px solid var(--color-accent-dark);outline-offset:1px}@media (hover:hover) and (pointer:fine){.rd-font button:hover:not(:disabled){background:var(--color-accent-light)}}.rd-font span{text-align:center;font-variant-numeric:tabular-nums;min-width:3.2ch;color:var(--color-text-muted);font-size:.8rem;font-weight:600}.rd-timer{height:var(--hb,32px);font-variant-numeric:tabular-nums;color:var(--color-gold-dark,#5a4700);background:var(--color-gold-light);border-radius:999px;align-items:center;gap:4px;padding:0 14px;font-weight:700;display:inline-flex}.rd-timer small{opacity:.75;font-weight:500}.rd-timer.is-over{color:var(--rd-bad);background:var(--rd-bad-soft)}.rd-split{align-items:start;gap:14px;display:grid}.rd-pane{background:var(--color-surface);border:1px solid var(--rd-line);border-radius:var(--radius-box);min-width:0;padding:18px 18px 22px}.rd[data-view=passage] .rd-pane--qs,.rd[data-view=questions] .rd-pane--passage,.rd[data-view=passage] .rd-side{display:none}@media (width>=900px){.rd-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.rd[data-view] .rd-pane,.rd[data-view] .rd-side{display:block}.rd-pane{overscroll-behavior:contain;scrollbar-width:thin;height:calc(100dvh - 215px);min-height:440px;padding:22px 26px 28px;overflow-y:auto}.rd-side{grid-column:1/-1}}@media (width>=1280px){.rd-split{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) 270px}.rd-side{grid-column:auto;position:sticky;top:90px}.rd-split--nocoach{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}}.rd-ptools{z-index:2;background:var(--color-surface);flex-wrap:wrap;align-items:center;gap:8px 14px;margin:0 0 12px;padding:4px 0;display:flex;position:sticky;top:-18px}.rd-langbar{background:var(--color-surface);border:1px solid var(--rd-line);border-radius:var(--radius-box);gap:4px;padding:3px;display:inline-flex}.rd-langbar button{font:inherit;color:var(--color-text);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:5px 12px;font-size:.85rem;font-weight:600}.rd-langbar button.is-on{color:#fff;background:var(--rd-brand)}:root[data-theme=dark] .rd-langbar button.is-on{color:#06293a}.rd-passage__title{letter-spacing:-.01em;margin:0 0 12px;font-size:1.35rem;font-weight:700;line-height:1.25}.rd-para{max-width:96ch;margin:0 0 14px;font-size:1.04rem;line-height:1.72;position:relative}.rd-para__letter{width:26px;height:26px;color:var(--rd-brand);background:var(--rd-brand-soft);vertical-align:1px;border-radius:7px;place-items:center;margin-right:8px;font-size:.85rem;font-weight:700;display:inline-grid}.rd-ev{color:inherit;background:var(--rd-ev);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:3px;transition:background-color .2s}.rd-ev.is-active{background:var(--rd-ev-strong)}.rd-ev:before{content:"[" attr(data-n) "]";font:700 .78em/1.45 var(--font-body,inherit);letter-spacing:0;color:#1f2328;background:var(--rd-ev-strong);vertical-align:.08em;-webkit-user-select:none;user-select:none;border-radius:3px;margin-right:5px;padding:0 4px;display:inline-block}.rd-qs__title{margin:0;font-size:1.15rem;font-weight:700}.rd-instruction{color:var(--rd-muted);white-space:pre-line;margin:6px 0 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.rd-line{font-weight:700}.rd-row.is-ok{border-color:var(--rd-ok);background:var(--rd-ok-soft)}.rd-row.is-bad{border-color:var(--rd-bad);background:var(--rd-bad-soft)}.rd-row--text{align-items:flex-start;gap:10px;line-height:2.1;display:flex}.rd-hint{color:var(--rd-muted);font-style:normal;font-weight:600}.rd-choices{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.rd-choice{min-height:40px;font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--rd-line);border-radius:var(--radius-box);cursor:pointer;transition:transform .14s var(--rd-ease), background-color .14s ease, border-color .14s ease;padding:0 14px;font-size:.9rem;font-weight:600}.rd-choice:active:not(:disabled){transform:scale(.97)}.rd-choice.is-on{color:var(--rd-brand);background:var(--rd-brand-soft);border-color:var(--rd-brand)}.rd-choice:disabled{cursor:default}@media (hover:hover) and (pointer:fine){.rd-choice:not(.is-on):not(:disabled):hover{border-color:var(--rd-brand)}}.rd-row--pick{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.rd-row--pick .rd-row__stem{flex:240px}.rd-select{min-width:96px;height:40px;font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--rd-line);border-radius:var(--radius-box);padding:0 10px;font-size:1rem}.rd-select:focus-visible,.rd-blank input:focus-visible{outline:2px solid var(--rd-brand);outline-offset:1px}.rd-box{background:var(--rd-brand-soft);border-radius:var(--radius-box);margin:0 0 14px;padding:12px 14px}.rd-box__title{margin:0 0 6px;font-size:.95rem}.rd-box ul{gap:6px;margin:0;padding:0;list-style:none;display:grid}.rd-box li{gap:10px;line-height:1.45;display:flex}.rd-box b{min-width:2.2ch;color:var(--rd-brand)}.rd-blank{vertical-align:middle;border:1px solid var(--rd-line);background:var(--color-surface);border-radius:9px;align-items:center;gap:0;margin:0 2px;scroll-margin-top:90px;display:inline-flex;overflow:hidden}.rd-blank b{min-width:24px;color:var(--rd-brand);background:var(--rd-brand-soft);align-self:stretch;place-items:center;padding:0 6px;font-size:.8rem;display:grid}.rd-blank input{width:13ch;min-width:8ch;max-width:100%;height:36px;font:inherit;color:var(--color-text);background:0 0;border:0;padding:0 9px;font-size:16px}.rd-blank.is-ok{border-color:var(--rd-ok);background:var(--rd-ok-soft)}.rd-blank.is-bad{border-color:var(--rd-bad);background:var(--rd-bad-soft)}.rd-summary{background:var(--color-bg,var(--color-surface));border:1px solid var(--rd-line);border-radius:var(--radius-box);padding:14px 16px;line-height:2.2}.rd-summary h3{margin:0 0 4px;font-size:1.05rem}.rd-summary p{margin:0}.rd-table{border-collapse:separate;border-spacing:0;border:1px solid var(--rd-line);border-radius:var(--radius-box);width:100%;font-size:.95rem;overflow:hidden}.rd-table th{text-align:left;color:var(--rd-brand);background:var(--rd-brand-soft);padding:9px 10px}.rd-table td{vertical-align:top;border-top:1px solid var(--rd-line);padding:9px 10px;line-height:2}.rd-flow{justify-items:stretch;gap:0;display:grid}.rd-flow__title{text-align:center;margin:0 0 8px;font-size:1rem}.rd-flow__box{background:var(--color-bg,var(--color-surface));border:1px solid var(--rd-line);border-radius:var(--radius-box);padding:11px 14px;line-height:2.1}.rd-flow__arrow{text-align:center;color:var(--rd-brand);font-weight:700;line-height:1.6}.rd-diagram{justify-items:center;gap:14px;display:grid}.rd-diagram img{border:1px solid var(--rd-line);border-radius:var(--radius-box);background:#fff;width:100%;max-width:520px;height:auto;display:block}.rd-diagram__blanks{flex-wrap:wrap;justify-content:center;gap:10px;margin:0;padding:0;list-style:none;display:flex}.rd-pane--qs{container:rdqs/inline-size}@container rdqs (width<=720px){.rd-table{border:0;border-radius:0}.rd-table thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.rd-table,.rd-table tbody,.rd-table tr,.rd-table td{display:block}.rd-table tr{background:var(--color-bg,var(--color-surface));border:1px solid var(--rd-line);border-radius:var(--radius-box);margin-bottom:10px;padding:8px 0 6px}.rd-table td{border:0;padding:4px 14px;line-height:2}.rd-table td:first-child{color:var(--rd-brand);font-size:1rem;font-weight:700}.rd-table 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