.atlas-cursor{height:100dvh;min-height:100dvh}.atlas,.atlas-background{height:100dvh;min-height:100dvh;overflow:hidden}.atlas{position:relative;width:100%;color:var(--animal-text-color);font-family:var(--animal-font-family);font-weight:500}.atlas *,.atlas :after,.atlas :before{box-sizing:border-box}.atlas audio{display:none}.atlas-ornament{position:absolute;z-index:0;color:var(--animal-primary-color);opacity:.13;pointer-events:none}.atlas-ornament--flower{top:8%;right:3%;transform:rotate(12deg)}.atlas-ornament--leaf{bottom:7%;left:2%;transform:rotate(-18deg)}.atlas-ornament--cloud{top:42%;left:-28px;opacity:.08}.atlas-app{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;width:min(100%,1180px);height:100%;min-height:0;margin-inline:auto;padding:max(14px,env(safe-area-inset-top)) 16px max(14px,env(safe-area-inset-bottom))}.atlas-header{flex:none;flex-wrap:wrap;justify-content:space-between;gap:10px 16px}.atlas-brand,.atlas-header{display:flex;align-items:center}.atlas-brand{min-width:0;gap:11px}.atlas-brand-mark{display:grid;flex:none;place-items:center;width:48px;height:48px;border-radius:18px;background:var(--animal-primary-color-bg);color:var(--animal-primary-color);transform:rotate(-3deg)}.atlas-brand-copy{display:flex;min-width:0;flex-direction:column;align-items:flex-start;gap:3px}.atlas-kicker{color:var(--animal-text-color-secondary);font-size:11px;font-weight:800;letter-spacing:.1em;line-height:1.2;text-transform:uppercase}.atlas-header-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;min-width:0}.atlas-language-picker{display:flex;align-items:center;gap:4px;min-width:0;color:var(--animal-primary-color-active)}.atlas-language-picker>div{width:132px}.atlas-header-actions>span{flex:none}.book-switcher{display:grid!important;flex:none;grid-template-columns:minmax(0,1fr) minmax(150px,300px) auto;align-items:center;gap:10px 16px;padding:10px 12px 10px 18px!important}.book-switcher-copy{display:flex;min-width:0;flex-direction:column;gap:2px}.book-switcher-copy .atlas-kicker{color:color-mix(in srgb,currentColor 58%,transparent)}.book-switcher-copy strong{overflow:hidden;font-size:17px;font-weight:900;letter-spacing:-.02em;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.book-switcher-select{min-width:0}.book-switcher-select>div{display:block;width:100%}.atlas-subpage-header{display:grid;flex:none;grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:58px}.atlas-subpage-header>div{display:flex;min-width:0;flex-direction:column;align-items:center;gap:3px;text-align:center}.study-layout{display:flex;flex:1;flex-direction:column;gap:10px;min-height:0}.card-scroll{flex:1;min-height:0;padding:2px 2px 8px;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-color:var(--animal-border-color) transparent;scrollbar-width:thin}.card-stage{position:relative;overflow:hidden;border-radius:20px}.card-body{width:100%}.card-body--leaving{position:absolute;top:0;left:0;width:100%;pointer-events:none;animation:atlas-card-out var(--card-duration) cubic-bezier(.4,0,.2,1) both}.card-body--entering{animation:atlas-card-in var(--card-duration) cubic-bezier(.4,0,.2,1) both}@keyframes atlas-card-in{0%{transform:translateX(calc(var(--card-direction) * 100%))}to{transform:translateX(0)}}@keyframes atlas-card-out{0%{transform:translateX(0)}to{transform:translateX(calc(var(--card-direction) * -100%))}}.study-card{padding:14px!important}.illustration-slot{width:100%;min-width:0}.illustration{position:relative;display:grid;width:100%;aspect-ratio:5/4;place-items:center;overflow:hidden;padding:12px;border-radius:var(--animal-border-radius-lg);background:var(--animal-primary-color-bg);transform-origin:top;will-change:transform}.illustration>button,.illustration>span{width:100%!important;height:100%!important}.illustration img{object-fit:contain;opacity:1!important}.illustration-error{display:grid;place-items:center;padding:24px;color:var(--animal-text-color-secondary);font-size:14px;font-weight:700;line-height:1.5;text-align:center}.definition{min-width:0;padding-top:16px}.word-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.tag-with-icon{display:inline-flex;align-items:center;gap:5px}.card-position{flex:none;color:var(--animal-text-color-secondary);font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.08em}.word-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px}.word-copy,.word-row{min-width:0}.word-copy h2{margin:0 0 5px;color:var(--animal-text-color);font-family:var(--animal-font-family);font-size:clamp(34px,8vw,46px);font-weight:900;letter-spacing:-.045em;line-height:1.04;overflow-wrap:anywhere}.phonetic{margin:0;color:var(--animal-text-color-secondary);font-size:14px;font-weight:600;line-height:1.5;overflow-wrap:anywhere}.phonetic span{margin:0 6px}.play-button{flex:none;width:62px!important;min-width:62px!important;height:62px!important;padding:0!important}.play-button.is-playing:after{position:absolute;inset:-5px;border:2px solid var(--animal-primary-color);border-radius:50%;content:"";pointer-events:none;animation:atlas-play-breathe 1.5s ease-out infinite}@keyframes atlas-play-breathe{0%{opacity:.72;transform:scale(1)}75%,to{opacity:0;transform:scale(1.22)}}.play-preview{display:grid;flex:none;width:56px;height:56px;place-items:center;border-radius:50%;background:var(--animal-primary-color-bg);color:var(--animal-primary-color)}.word-divider{margin-block:14px 10px}.example-card{padding:13px 16px!important}.example-card p{margin:0;color:var(--animal-text-color);font-size:17px;font-weight:700;line-height:1.45}.example-card small{display:block;margin-top:5px;color:var(--animal-text-color-secondary);font-size:13px;font-weight:500;line-height:1.5}.speech-message{margin:10px 0 0;color:var(--animal-error-color);font-size:13px;font-weight:600;line-height:1.4}.study-actions{flex:none;min-width:0}.action-card{display:flex;flex-direction:column;gap:12px;padding:14px!important}.action-card-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-width:0}.action-card-heading>div{display:flex;min-width:0;flex-direction:column;gap:2px}.action-card-heading strong{color:var(--animal-text-color);font-size:22px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1}.action-card-heading>span{max-width:55%;overflow:hidden}.action-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.pager{display:grid;grid-template-columns:auto minmax(70px,1fr) auto;align-items:center;gap:6px}.pager>button{min-width:0;padding-inline:12px!important}.pager .page-number{height:42px;color:var(--animal-text-color-secondary);font-size:13px;font-variant-numeric:tabular-nums;font-weight:800}.saved-list{display:flex;flex:1;flex-direction:column;gap:10px;min-height:0;padding:2px 2px 18px;overflow-y:auto;overscroll-behavior:contain;scrollbar-color:var(--animal-border-color) transparent;scrollbar-width:thin}.saved-row{display:grid;grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:13px;padding:10px 14px!important}.saved-row img{object-fit:contain;opacity:1!important}.saved-row:focus-visible{outline:2px solid var(--animal-primary-color);outline-offset:2px}.saved-row-copy{display:flex;min-width:0;flex-direction:column;gap:3px}.saved-word-line{display:flex;align-items:baseline;gap:8px;min-width:0}.saved-word-line strong{flex:none;color:var(--animal-text-color);font-size:22px;font-weight:900;letter-spacing:-.035em;line-height:1.1}.saved-word-line span{min-width:0;font-weight:600}.saved-row-copy small,.saved-word-line span{overflow:hidden;color:var(--animal-text-color-secondary);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.saved-row-copy small{line-height:1.4}.saved-empty,.saved-row-arrow{color:var(--animal-primary-color)}.saved-empty{display:flex!important;flex:1;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:0;padding:28px!important;text-align:center}.saved-empty h2{margin:4px 0 0;color:var(--animal-text-color);font-size:22px;font-weight:900}.saved-empty p{max-width:430px;margin:0 0 8px;color:var(--animal-text-color-secondary);font-size:14px;line-height:1.55}.page-jump-dialog{display:flex;flex-direction:column;gap:14px;padding:4px 0 8px}.page-jump-dialog p{margin:0;color:var(--animal-text-color-secondary);font-size:14px;font-weight:600;line-height:1.5}.page-jump-input{display:flex;align-items:center;gap:10px}.page-jump-input>div{flex:1}.page-jump-input input{text-align:center;font-size:18px!important;font-variant-numeric:tabular-nums;font-weight:800!important}.page-jump-input>span{flex:none;color:var(--animal-text-color-secondary);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}.settings-list{display:flex;flex-direction:column;gap:12px;padding-top:4px}.setting-row{display:flex!important;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px!important}.setting-row>div{display:flex;align-items:center;gap:8px;color:var(--animal-text-color-secondary)}.setting-row strong{color:var(--animal-text-color);font-size:15px;font-weight:700}@media (width <= 430px){.atlas-app{padding-inline:12px}.atlas-header-actions{width:100%}.atlas-language-picker{flex:1}.atlas-language-picker>div{width:100%}.pager-label,.saved-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.book-switcher{grid-template-columns:minmax(0,1fr) auto}.book-switcher-copy{display:none}.illustration{aspect-ratio:16/10;min-height:0}.action-buttons{grid-template-columns:1fr}}@media (width <= 359px){.book-switcher{grid-template-columns:minmax(0,1fr)}.book-switcher>span{display:none}}@media (width >= 760px){.atlas-app{gap:16px;padding:24px 28px}.atlas-brand-mark{width:54px;height:54px}.book-switcher{grid-template-columns:minmax(0,1fr) 340px auto;padding:12px 18px!important}.study-card{padding:18px!important}.illustration{max-height:420px}.definition{padding-top:20px}.action-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:12px;padding:16px 18px!important}.action-card-heading{grid-column:1/-1}.action-buttons{grid-column:1}.action-divider{display:none}.pager{grid-column:2}}@media (width >= 980px){.atlas-app{gap:18px;padding:28px 32px}.study-layout{display:grid;grid-template-columns:minmax(0,1fr) 348px;align-items:stretch;gap:20px}.card-scroll{padding:0;overflow:hidden}.card-body,.card-stage,.study-card{height:100%;min-height:100%}.study-card{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:28px;padding:22px!important}.illustration-slot{display:flex;align-items:center;height:100%;min-height:0}.illustration{width:100%;height:calc(100% - 12px);max-height:none;aspect-ratio:auto}.definition{min-width:0;padding-top:0}.word-copy h2{font-size:clamp(42px,4.2vw,58px)}.action-card{display:flex;height:100%;min-height:100%;justify-content:center}.action-divider{display:block}.action-buttons{grid-template-columns:1fr}.pager{width:100%}}@media (width >= 1220px){.study-layout{grid-template-columns:minmax(0,1fr) 370px}.atlas-app{padding-inline:0}}@media (max-height:720px) and (width <= 759px){.atlas-app{gap:8px;padding-block:10px}.atlas-brand-mark{width:40px;height:40px;border-radius:14px}.book-switcher{padding-block:7px!important}.action-card{gap:8px}.action-card-heading{display:none}}@media (prefers-reduced-motion:reduce){.card-body--entering,.card-body--leaving,.play-button.is-playing:after{animation:none}}