.platform-demo,.demo-modal{--d-fg:#1f2937;--d-muted-fg:#64748b;--d-border:#e2e8f0;--d-muted:#f1f5f9;--d-blue:#3b82f6;--d-blue-ink:#2563eb;--d-emerald:#10b981;--d-emerald-ink:#059669;--d-violet:#4f46e5;--d-rose:#e11d48;--d-orange-ink:#ea580c;--d-ease:cubic-bezier(.32, .72, 0, 1);--d-slide:cubic-bezier(.22, 1, .36, 1)}.platform-demo button{cursor:pointer}.platform-demo :focus-visible,.demo-modal :focus-visible{outline:2px solid var(--d-blue);outline-offset:2px}.demo-rail{-webkit-user-select:none;user-select:none;position:relative}.demo-rail-viewport{height:112px;margin-inline:32px;position:relative;overflow:hidden}.demo-rail-track{position:absolute;top:8px;left:0}.demo-rail-track[data-sliding=true]{transition:transform .5s var(--d-slide)}.demo-rail-slot{flex-direction:column;align-items:center;display:flex;position:absolute;top:0}.demo-rail-line{background:var(--d-border);pointer-events:none;width:100%;height:2px;position:absolute;top:25px;left:50%}.demo-rail-slot[data-state=taught] .demo-rail-line{background:#10b981b3}.demo-rail-slot[data-state=current] .demo-rail-line{background:#3b82f673}.demo-rail-node{background:#fff;border-radius:50%;place-items:center;width:52px;height:52px;display:grid;position:relative}.demo-rail-node svg{pointer-events:none;width:52px;height:52px;position:absolute;inset:0}.demo-rail-node path{fill:none;stroke:var(--d-border);stroke-width:3px;transition:stroke .3s}.demo-rail-slot[data-state=taught] path[data-done=true]{stroke:var(--d-emerald)}.demo-rail-slot[data-state=current] path[data-done=true]{stroke:var(--d-blue)}.demo-rail-node>span{border:1px solid var(--d-border);background:#fff;border-radius:50%;width:36px;height:36px;transition:background-color .3s,border-color .3s}.demo-rail-slot[data-state=taught] .demo-rail-node>span{border-color:var(--d-emerald);background:#ecfdf5}.demo-rail-slot[data-state=current] .demo-rail-node>span{border-color:var(--d-blue);background:#eff6ff}.demo-rail-label{-webkit-line-clamp:2;text-align:center;-webkit-hyphens:auto;hyphens:auto;width:100%;color:var(--d-muted-fg);-webkit-box-orient:vertical;margin-top:8px;padding-inline:4px;font-size:13px;font-weight:500;line-height:1.25;transition:color .3s;display:-webkit-box;overflow:hidden}.demo-rail-label[data-chosen=true]{color:var(--d-fg);font-weight:700}.demo-rail-arrow{z-index:1;width:44px;height:44px;color:var(--d-muted-fg);place-items:center;transition:color .15s;display:grid;position:absolute;top:12px}.demo-rail-arrow:hover{color:var(--d-fg)}.demo-rail-arrow[data-side=previous]{left:-4px}.demo-rail-arrow[data-side=next]{right:-4px}.demo-connector{height:8px;display:block;position:relative}.demo-connector-in{height:16px}.demo-connector:before{content:"";inset-block:0;background:var(--d-border);border-radius:2px;width:2px;transition:background-color .3s;position:absolute;left:calc(50% - 1px)}.demo-connector[data-state=taught]:before{background:#34d399}.demo-connector[data-state=current]:before{background:var(--d-blue)}.demo-band{border-top:1px solid var(--d-border)}.demo-review{border-bottom:1px solid var(--d-border)}.demo-band-title{text-align:center;text-transform:uppercase;letter-spacing:.06em;width:fit-content;color:var(--d-fg);background:#fff;margin:0 auto;padding-inline:16px;font-size:12px;font-weight:700;position:relative;translate:0 -50%}.demo-review-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:780px;margin:-6px auto 0;padding:0 20px 16px;display:grid}.demo-review-grid button{text-align:center;background:#fff;border:1px solid #bfdbfe;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;min-width:0;min-height:96px;padding:10px 12px;transition:border-color .15s,background-color .15s,box-shadow .15s,translate .15s;display:flex}.demo-review-grid button:hover{background:#eff6ff66;border-color:#93c5fd;translate:0 -2px;box-shadow:0 1px 2px #0f172a0f,0 1px 3px #0f172a14}.demo-review-grid button>span{border-radius:50%;place-items:center;width:32px;height:32px;display:grid}.demo-review-grid [data-kind=review]>span{color:#7c3aed;background:#f5f3ff}.demo-review-grid [data-kind=pronunciation]>span{color:#0284c7;background:#f0f9ff}.demo-review-grid [data-kind=grammar]>span{color:#d97706;background:#fffbeb}.demo-review-grid strong{color:var(--d-fg);margin-top:6px;font-size:12.5px;font-weight:600;line-height:1.2}.demo-review-grid small{color:var(--d-blue-ink);font-variant-numeric:tabular-nums;margin-top:2px;font-size:11px;font-weight:600;line-height:1.2}.demo-panel{border:1px solid var(--d-border);background:#fff;border-radius:16px;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;overflow:hidden;box-shadow:0 1px 2px #0f172a0d}.demo-panel[data-moved=true]{animation:demo-fade-in .4s var(--d-ease) both}.demo-wing{flex-direction:column;min-width:0;padding-bottom:12px;display:flex}.demo-wing+.demo-wing{border-left:1px solid var(--d-border)}.demo-wing-title{text-transform:uppercase;letter-spacing:.06em;color:var(--d-fg);align-items:center;gap:12px;padding:16px 20px 4px;font-size:12px;font-weight:700;display:flex}.demo-wing-title:before,.demo-wing-title:after{content:"";background:var(--d-border);flex:1;min-width:0;height:1px}.demo-rows{flex-direction:column;display:flex}.demo-row{text-align:left;align-items:center;gap:10px;width:100%;min-height:44px;padding:8px 20px;transition:background-color .15s;display:flex}.demo-row+.demo-row{border-top:1px solid #e2e8f099}.demo-panel[data-moved=true] .demo-row{animation:demo-row-in .35s var(--d-ease) both;animation-delay:calc(var(--i) * 45ms + 60ms)}.demo-row:hover{background:#f1f5f999}.demo-row>svg:first-child{color:var(--d-muted-fg);flex:none}.demo-row-text{flex:1;min-width:0}.demo-row-text>span{text-overflow:ellipsis;white-space:nowrap;color:var(--d-fg);font-size:13px;font-weight:600;display:block;overflow:hidden}.demo-row-text small{text-overflow:ellipsis;white-space:nowrap;color:var(--d-muted-fg);font-size:11.5px;line-height:1.25;display:block;overflow:hidden}.demo-row>svg:last-child{color:#64748b80;flex:none;transition:color .15s}.demo-row:hover>svg:last-child{color:var(--d-muted-fg)}.demo-row[data-next=true]>svg{color:var(--d-blue-ink)!important}.demo-row[data-tone=done]{background:#ecfdf599}.demo-row[data-tone=done]:hover{background:#ecfdf5}.demo-row[data-tone=done]>svg{color:var(--d-emerald-ink)!important}.demo-row[data-tone=done] .demo-row-text>span{color:#064e3bcc}.demo-row[data-tone=urgent]{background:#fff7edb3}.demo-row[data-tone=urgent]:hover{background:#fff7ed}.demo-row[data-tone=urgent]>svg:first-child{color:var(--d-orange-ink)}.demo-row[data-tone=urgent] .demo-row-text>span{color:#7c2d12}.demo-row-dot{background:#f43f5e;border-radius:50%;flex:none;width:8px;height:8px}.demo-row-cta{color:#c2410c;flex:none;font-size:11.5px;font-weight:700}.demo-immersion{margin-top:16px}.demo-immersion-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:-4px;display:grid}.demo-immersion-grid button{border:1px solid var(--d-border);text-align:center;min-height:72px;color:var(--d-fg);background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:10px 8px;font-size:12px;font-weight:600;line-height:1.2;transition:border-color .15s,background-color .15s;display:flex}.demo-immersion-grid button:hover{background:#eff6ff80;border-color:#93c5fd}.demo-immersion-grid [data-kind=article] svg{color:#7c3aed}.demo-immersion-grid [data-kind=video] svg{color:#e11d48}.demo-immersion-grid [data-kind=writing] svg{color:#0284c7}.demo-immersion-grid [data-kind=aloud] svg{color:#d97706}@keyframes demo-fade-in{0%{opacity:0;translate:0 12px}}@keyframes demo-row-in{0%{opacity:0;translate:0 16px}}.modal.demo-modal{width:min(100% - 32px,672px)}.modal.demo-modal.modal-lg{width:min(100% - 32px,880px)}@media (max-width:599px){.modal.demo-modal,.modal.demo-modal.modal-lg{width:calc(100% - 16px)}}.demo-modal .modal-card{--scroll-surface:#fff;border:1px solid var(--d-border);color:var(--d-fg);border-radius:24px}.demo-modal .modal-head{border-bottom:1px solid var(--d-border);padding:16px 24px 12px}.demo-modal .modal-head h2{letter-spacing:-.01em;font-family:inherit;font-size:18px;font-weight:600}.demo-modal .modal-close{background:var(--d-muted);width:36px;height:36px;color:var(--d-muted-fg)}.demo-modal .modal-close:hover{color:var(--d-fg);background:#e2e8f0}.demo-modal .modal-close svg{width:16px;height:16px}.demo-modal .modal-body-viewport{padding:20px 24px;font-size:15px;line-height:1.55}.demo-modal .modal-foot{border-top:1px solid var(--d-border);background:#fff;padding:14px 24px}.demo-modal .modal-foot:has(>.demo-foot:empty){display:none}.demo-foot{width:100%;display:flex}.demo-primary{background:var(--d-violet);color:#fff;cursor:pointer;border-radius:999px;flex:1;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 20px;font-size:14px;font-weight:600;transition:background-color .2s,opacity .2s;display:inline-flex;box-shadow:0 1px 2px #0f172a14}.demo-primary:hover{background:#4338ca}.demo-primary[data-accent=emerald]{background:var(--d-emerald-ink)}.demo-primary[data-accent=emerald]:hover{background:#047857}.demo-primary[data-accent=rose]{background:var(--d-rose)}.demo-primary[data-accent=rose]:hover{background:#be123c}.demo-primary:disabled{opacity:.4;cursor:not-allowed}.demo-secondary{border:1px solid var(--d-border);min-height:40px;color:var(--d-fg);cursor:pointer;background:#fff;border-radius:12px;align-items:center;gap:8px;padding:0 16px;font-size:14px;font-weight:500;transition:background-color .15s;display:inline-flex}.demo-secondary:hover,.demo-secondary[data-speaking=true]{background:var(--d-muted)}.demo-link{min-height:44px;color:var(--d-muted-fg);text-underline-offset:4px;cursor:pointer;font-size:14px;text-decoration:underline}.demo-link:hover{color:var(--d-fg)}.demo-back{min-height:40px;color:var(--d-blue-ink);cursor:pointer;align-items:center;gap:6px;font-size:14px;font-weight:500;display:inline-flex}.demo-note{color:var(--d-muted-fg);font-size:13px}.demo-instruction{color:#334155;margin-block:4px 16px}.demo-instruction strong{font-weight:700}.demo-prompt{color:var(--d-fg);background:#eff6ff;border-left:2px solid #93c5fd;border-radius:0 12px 12px 0;margin-block:16px;padding:14px 18px}.demo-card-enter{animation:demo-fade-in .35s var(--d-ease) both}.demo-question{border:1px solid var(--d-border);background:#fbfcfd;border-radius:16px;margin-block:12px 16px;padding:22px 24px}.demo-question-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.demo-question-head h4{flex:1;font-size:17px;font-weight:500;line-height:1.45}.demo-points{flex:none;align-items:center;gap:6px;font-size:14px;font-weight:500;display:inline-flex}.demo-points svg{color:#f59e0b}.demo-options{gap:8px;display:grid}.demo-options button{border:2px solid var(--d-border);text-align:left;cursor:pointer;background:#fff;border-radius:10px;align-items:center;gap:12px;min-height:52px;padding:12px 16px;font-size:15px;line-height:1.35;transition:border-color .15s,background-color .15s;display:flex}.demo-options button:hover:not(:disabled){border-color:#3b82f680}.demo-options button>span:nth-child(2){flex:1}.demo-options button:disabled{cursor:not-allowed}.demo-radio{border:1.5px solid var(--d-blue);border-radius:50%;flex:none;width:16px;height:16px;transition:box-shadow .15s}.demo-options [aria-checked=true] .demo-radio{box-shadow:inset 0 0 0 3px #fff, inset 0 0 0 8px var(--d-blue)}.demo-options [data-state=chosen]{border-color:var(--d-blue);background:#3b82f61a}.demo-options [data-state=right],.demo-review-options [data-state=right]{background:#22c55e1a;border-color:#22c55e}.demo-options [data-state=wrong],.demo-review-options [data-state=wrong]{background:#dc26261a;border-color:#dc2626}.demo-options [data-state=right]>svg{color:#16a34a}.demo-options [data-state=wrong]>svg{color:#dc2626}.demo-verdict{color:#b91c1c;background:#dc262614;border:1px solid #dc26264d;border-radius:10px;align-items:flex-start;gap:10px;margin-top:14px;padding:12px 16px;display:flex}.demo-verdict[data-right=true]{color:#15803d;background:#22c55e1a;border-color:#22c55e4d}.demo-verdict>svg{flex:none;margin-top:1px}.demo-verdict strong{font-weight:600;display:block}.demo-verdict span{opacity:.85;font-size:14px}.demo-flashcard{perspective:1800px;cursor:pointer;border-radius:24px;height:300px}.demo-flashcard-turn{height:100%;transform-style:preserve-3d;transition:transform .6s var(--d-ease);position:relative}.demo-flashcard[data-flipped=true] .demo-flashcard-turn{transform:rotateY(180deg)}.demo-flashcard-face{border:1px solid var(--d-border);backface-visibility:hidden;background:#fff;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px 28px;display:flex;position:absolute;inset:0}.demo-flashcard-back{justify-content:flex-start;align-items:flex-start;transform:rotateY(180deg)}.demo-flashcard-back p{font-size:20px;line-height:1.5}.demo-kicker{text-transform:uppercase;letter-spacing:.06em;color:var(--d-emerald-ink);gap:10px;font-size:12px;font-weight:600;display:flex}.demo-flashcard-face:not(.demo-flashcard-back) .demo-kicker{position:absolute;top:24px;left:28px}.demo-speaker{border:1px solid var(--d-border);background:var(--d-muted);width:40px;height:40px;color:var(--d-emerald-ink);cursor:pointer;border-radius:50%;place-items:center;display:grid;position:absolute;top:18px;right:22px}.demo-speaker[data-speaking=true]{background:#d1fae5;border-color:#6ee7b7}.demo-flashcard-face strong{text-align:center;letter-spacing:-.02em;max-width:100%;font-size:clamp(30px,5vw,46px);font-weight:600;line-height:1.1}.demo-flashcard-face small{color:var(--d-muted-fg);align-items:center;gap:8px;font-size:12px;display:flex}.demo-flashcard-face small i{background:#34d399;border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite demo-pulse}@keyframes demo-pulse{50%{opacity:.4}}.demo-stage{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:360px;padding-block:12px;display:flex}.demo-stage h4{font-size:19px;font-weight:600}.demo-stage>p:not(.demo-prompt){color:#475569;max-width:30em}.demo-stage .demo-prompt{text-align:left;max-width:34em}.demo-stage>.demo-primary{flex:none;min-width:min(100%,300px)}.demo-orb{background:radial-gradient(circle at 35% 30%,#effeff 0%,#7ff6ff 22%,#00f0ff 48%,#00d4f0 70%,#b9c8ff 100%);border-radius:50%;width:132px;height:132px;margin-bottom:8px;display:block;position:relative;overflow:hidden;box-shadow:0 0 0 18px #bae6fd2e,0 18px 60px -12px #0ea5e973}.demo-orb i{background:radial-gradient(circle,#ecf0ffe6,#c7d2fe00 70%);border-radius:50%;animation:7s ease-in-out infinite demo-orb-drift;position:absolute;inset:18% 8% -30% 30%}.demo-orb[data-state=listening]{animation:1.6s ease-in-out infinite demo-orb-breathe}.demo-orb[data-state=thinking] i{animation-duration:2.4s}@keyframes demo-orb-drift{50%{translate:-18% -12%;scale:1.15}}@keyframes demo-orb-breathe{50%{scale:1.06;box-shadow:0 0 0 28px #bae6fd1f,0 18px 60px -12px #0ea5e98c}}.demo-timer{letter-spacing:-.02em;color:var(--d-fg);font-variant-numeric:tabular-nums;font-size:34px;font-weight:600}.demo-loading{align-items:center;gap:8px;font-size:14px;display:inline-flex}.demo-loading svg{animation:1s linear infinite demo-spin}@keyframes demo-spin{to{rotate:360deg}}.demo-round-end svg{color:var(--d-emerald-ink)}.demo-audio{border:1px solid var(--d-border);background:#fbfcfd;border-radius:16px;align-items:center;gap:16px;margin-bottom:14px;padding:16px 18px;display:flex}.demo-play{color:#fff;cursor:pointer;background:#0284c7;border-radius:50%;flex:none;place-items:center;width:48px;height:48px;transition:background-color .2s;display:grid}.demo-play:hover,.demo-play[data-speaking=true]{background:#0369a1}.demo-wave{flex:1;align-items:center;gap:3px;min-width:0;height:40px;display:flex}.demo-wave i{transform-origin:50%;background:#bae6fd;border-radius:2px;flex:1;min-width:2px}.demo-wave[data-playing=true] i{background:#38bdf8;animation:.56s ease-in-out infinite alternate demo-wave}@keyframes demo-wave{0%{scale:1 .35}}.demo-bank{background:#f5f9ff;border:1px solid #bfdbfe;border-radius:14px;margin-bottom:16px;padding:12px 14px}.demo-bank p{text-transform:uppercase;letter-spacing:.08em;color:#475569;align-items:center;gap:10px;margin-bottom:10px;font-size:11px;font-weight:700;display:flex}.demo-bank small{text-transform:none;letter-spacing:0;color:var(--d-muted-fg);font-weight:500}.demo-bank div{flex-wrap:wrap;gap:8px;display:flex}.demo-bank button{border:1px solid var(--d-border);cursor:pointer;background:#fff;border-radius:8px;min-height:36px;padding:0 12px;font-size:14px;transition:border-color .15s,opacity .15s}.demo-bank button:hover:not(:disabled){border-color:#93c5fd}.demo-bank button:disabled{opacity:.35;cursor:default}.demo-gap-line{font-size:16px;line-height:2.6}.demo-gap{align-items:center;gap:4px;display:inline-flex}.demo-gap small{color:var(--d-blue-ink);font-size:12px;font-weight:600}.demo-gap input{border:1px solid var(--d-border);text-align:center;width:120px;height:34px;color:var(--d-blue-ink);background:#fff;border-radius:10px;padding:0 10px;font-size:15px}.demo-session-head{text-transform:uppercase;letter-spacing:.08em;color:#475569;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:11px;font-weight:700;display:flex}.demo-session-head>span:last-child{text-transform:none;letter-spacing:0;font-variant-numeric:tabular-nums;align-items:center;gap:12px;font-size:13px;font-weight:600;display:inline-flex}.demo-session-done{color:var(--d-emerald-ink);align-items:center;gap:4px;display:inline-flex}.demo-session-time{color:var(--d-fg);align-items:center;gap:5px;display:inline-flex}.demo-mode{background:var(--d-muted);border-radius:999px;width:fit-content;margin:0 auto 16px;padding:3px 10px;font-size:12px;font-weight:600;display:block}.demo-review-question{border:1px solid var(--d-border);border-radius:16px;flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:16px;padding:22px 24px;display:flex}.demo-review-question h4{font-size:18px;font-weight:500;line-height:1.45}.demo-review-options{gap:8px;display:grid}.demo-review-options button{border:1px solid var(--d-border);text-align:left;cursor:pointer;background:#fff;border-radius:12px;min-height:52px;padding:12px 16px;font-size:15px;transition:border-color .15s,background-color .15s}.demo-review-options button:hover:not(:disabled){background:#eff6ff80;border-color:#93c5fd}.demo-review-options button:disabled{cursor:default}.demo-drill{border:1px solid var(--d-border);text-align:center;border-radius:16px;flex-direction:column;align-items:center;gap:8px;margin-bottom:16px;padding:32px 24px;display:flex}.demo-drill strong{letter-spacing:-.01em;font-size:clamp(24px,4vw,32px);font-weight:600;line-height:1.2}.demo-drill small{color:var(--d-muted-fg);margin-bottom:8px;font-size:14px}.demo-coach-note{border:1px solid var(--d-border);border-radius:16px;padding:20px 22px;line-height:1.6}.demo-coach-note>strong{font-size:14px;font-weight:700;display:block}.demo-coach-note p{margin-block:8px 18px}.demo-coach-note p:last-child{margin-bottom:0}.demo-coach-note del{color:#94a3b8}.demo-topic{background:var(--d-muted);border-radius:14px;padding:16px 18px}.demo-topic small{text-transform:uppercase;letter-spacing:.08em;color:var(--d-muted-fg);margin-bottom:4px;font-size:11px;font-weight:700;display:block}.demo-field{color:#475569;margin-top:18px;font-size:13px;font-weight:500;display:block}.demo-field textarea{border:1px solid var(--d-border);width:100%;color:var(--d-fg);resize:vertical;background:#fff;border-radius:12px;margin-top:8px;padding:12px 14px;font-size:15px;display:block}.demo-writing-meta{color:var(--d-muted-fg);justify-content:space-between;align-items:center;gap:16px;margin-top:10px;font-size:13px;display:flex}.demo-model{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:14px;margin-top:16px;padding:16px 18px;line-height:1.6}.demo-discover{max-width:580px;margin-inline:auto}.demo-discover>h4{font-size:18px;font-weight:600}.demo-discover>h4:focus{outline:none}.demo-discover>p:first-of-type{color:var(--d-muted-fg);margin-top:2px}.demo-search{background:var(--d-muted);height:44px;color:var(--d-muted-fg);border-radius:999px;align-items:center;gap:10px;margin-top:16px;padding:0 16px;display:flex}.demo-search input{min-width:0;color:var(--d-fg);background:0 0;border:0;outline:none;flex:1;font-size:15px}.demo-search:focus-within{box-shadow:0 0 0 2px #93c5fd}.demo-discover-label{color:var(--d-muted-fg);align-items:center;gap:6px;margin-block:20px 8px;font-size:13px;display:flex}.demo-discover 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small{background:#0f172abf;border-radius:4px;padding:0 4px;font-weight:600;position:absolute;bottom:3px;right:3px;color:#fff!important;margin:0!important;font-size:10px!important}.demo-reader-title{margin-block:8px 12px;font-size:22px;font-weight:600;line-height:1.3}.demo-reader-title:focus{outline:none}.demo-reading{line-height:1.7}.demo-reading p+p{margin-top:12px}.demo-video{width:100%;margin-block:8px 16px}.demo-video .video-surface{border-radius:14px}.demo-video .video-surface:where(:fullscreen),.demo-video .video-surface:where(:-webkit-full-screen){border-radius:0}.demo-video .video-surface:where(:fullscreen),.demo-video .video-surface:where(:fullscreen){border-radius:0}.demo-transcript{border:1px solid var(--d-border);border-radius:12px;padding:14px 18px}.demo-transcript summary{color:#475569;cursor:pointer;font-size:13px;font-weight:600}.demo-transcript p{margin-top:10px;line-height:1.6}@media (max-width:899px){.demo-review-grid{gap:8px;padding-inline:0}.demo-review-grid button{min-height:92px;padding-inline:6px}.demo-review-grid strong{font-size:12px}.demo-review-grid small{font-size:10.5px}.demo-panel{grid-template-columns:minmax(0,1fr)}.demo-wing+.demo-wing{border-top:1px solid var(--d-border);border-left:0}.demo-immersion-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.demo-modal .modal-head{padding:14px 16px 10px}.demo-modal .modal-body-viewport{padding:16px}.demo-modal .modal-foot{padding:12px 16px}.demo-question,.demo-review-question{padding:16px}.demo-question-head h4{font-size:15px}.demo-flashcard{height:260px}.demo-stage{min-height:300px}}@media (prefers-reduced-motion:reduce){.demo-rail-track[data-sliding=true],.demo-flashcard-turn{transition:none}.demo-panel[data-moved=true],.demo-panel[data-moved=true] .demo-row,.demo-card-enter{animation:none}.demo-orb,.demo-orb i,.demo-wave i,.demo-flashcard-face small i,.demo-loading svg{animation:none!important}.demo-review-grid button:hover{translate:none}}