.app #content-view:not(.chat-view){background-image:linear-gradient(#f3f5e9e8,#f2f5e7e0),url('assets/ground.webp');background-size:100% 100%,740px auto}.app .lesson-body{background:0 0}.app .secret-vault{padding:22px 18px;border:1px solid #b8c8ad;border-radius:20px;background:#edf1e5;gap:16px;margin-top:18px}.app .secret-vault .sealed-seed{flex-shrink:0}.bottom-nav [data-tab=home]{--nav-ink:#327451}.bottom-nav [data-tab=personal]{--nav-ink:#42759c}.bottom-nav [data-tab=trophy]{--nav-ink:#977122}.bottom-nav [data-tab=profile]{--nav-ink:#816291}.app .bottom-nav button{color:var(--nav-ink);opacity:1;min-height:56px}.app .bottom-nav svg{width:29px;height:29px;stroke-width:2}.app .bottom-nav button[aria-current=page]:after{width:5px;height:5px;bottom:3px}.app .bottom-nav button[aria-current=page]{color:var(--nav-ink);opacity:1}.app .bottom-nav button[aria-current=page] svg{stroke-width:2.5}.app .secret-jump{width:160px;height:170px;background-size:475.603% 223.989%;background-position:97.7873% 91.446%;--foot-x:80px;--foot-y:162px}.passage-peek{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;margin:0 auto 18px;padding:8px 18px;border:1px solid #91a383;border-radius:24px;color:#315b42;font-size:14px}.passage-peek svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7}.sam-info-dialog{width:min(90vw,430px);max-height:82dvh;margin:auto;padding:28px 24px;border:1px solid #bac7af;border-radius:22px;background:#f6f7ef;color:#243d2e;overflow:auto}.sam-info-dialog::backdrop{background:#16352466}.info-close{float:right;margin:-10px -10px 8px 8px}.peek-text{clear:both;line-height:1.9;font-size:19px;margin-top:20px;white-space:pre-line}.peek-text mark{background:#e0e9b9;color:#233c28;border-radius:3px;padding:1px 2px}.collection-intro{font-size:16px;line-height:1.8;color:#56705a;margin:12px 0 24px}.collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.collection-badge{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;min-width:0;padding:18px 10px;border:1px solid #cad5c1;border-radius:20px;background:#f4f6ed;color:#2b4d38}.collection-badge img{width:100%;height:120px;object-fit:contain}.collection-badge small{font-size:12px;color:#60735b}.collection-badge.unowned{opacity:1;color:#6d7b67}.collection-badge.unowned strong{font-size:12px}.badge-mystery{display:grid;place-items:center;height:120px;font-size:48px;color:#839677;font-family:Georgia,serif}.badge-new{position:absolute;top:10px;right:10px;font-size:10px;letter-spacing:.06em;color:#fff;background:#315e42;padding:4px 6px;border-radius:6px}.collection-detail{text-align:center;clear:both}.collection-detail img{display:block;width:100%;max-height:300px;object-fit:contain;margin:14px auto}.collection-detail p{font-size:14px;line-height:1.7}.question-index:focus{outline:0}@media(prefers-reduced-motion:reduce){.lesson-body{animation:none!important}}.intro-exit-layer{position:absolute;inset:0 0 20px;z-index:100;overflow:hidden;background:#edf1df;pointer-events:none}.intro-exit-layer .intro-screen{height:100%}.quiet-intro .intro-scene{transition:opacity .18s ease-out}.quiet-intro .intro-ground{background-image:url('assets/intro-ground.webp');background-size:100% 100%}.quiet-intro .character-A .rig-part{background-image:url('assets/intro-A.webp')}.quiet-intro .character-B .rig-part{background-image:url('assets/intro-B.webp')}.quiet-intro .character-C .rig-part{background-image:url('assets/intro-C.webp')}.quiet-intro .character-D .rig-part{background-image:url('assets/intro-D.webp')!important}.quiet-intro .character-D .rig-head{background-image:none!important}.quiet-intro .character-D .secret-face{background-image:url('assets/intro-D-face.webp')}.quiet-intro.intro-loading .intro-scene{opacity:0}.quiet-intro.intro-loading .intro-scene *,.quiet-intro.intro-loading .intro-scene :after{animation:none!important}.passage-dialog{width:min(calc(100vw - 64px),346px);max-height:68dvh;padding:22px 20px 24px;border:3px double #c9b997;border-radius:12px 15px 13px 11px;background:#faf5e7;box-shadow:inset 0 0 18px #b59b6920,0 20px 65px #18291d38;overflow:hidden}.passage-dialog::backdrop{background:#1f302e78;backdrop-filter:blur(3px)}.passage-dialog .info-close{position:absolute;right:8px;top:8px;float:none;margin:0;color:#776e57}.peek-heading{padding-right:28px;padding-bottom:16px;border-bottom:1px solid #c9b99766}.peek-heading .label{font-size:11px;letter-spacing:.08em;color:#8d7959;margin-bottom:7px}.peek-heading h2{font-size:17px;color:#514b38;font-weight:600}.peek-scroll{max-height:calc(68dvh - 134px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#c9b997 transparent;padding-right:5px;margin-top:16px}.passage-dialog .peek-text{margin:0;font-size:17px;line-height:1.85;color:#3f4133}.passage-dialog mark{background:#eee1a0;color:inherit;box-shadow:0 2px 0 #e5d18470;border-radius:3px;padding:0 1px}@media(prefers-reduced-motion:reduce){.intro-exit-layer{display:none}}.sound-setting{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0;border-top:1px solid var(--sam-border);border-bottom:1px solid var(--sam-border);margin:20px 0}.sound-setting h2{margin-bottom:8px}.screen .sound-switch{min-width:60px;width:60px;height:44px;min-height:44px;border:0;border-radius:24px;background:#a6b09f;padding:5px;flex-shrink:0}.sound-switch span{display:block;width:34px;height:34px;background:#fffef5;border-radius:50%;transition:transform .18s}.sound-switch[aria-checked=true]{background:#315e45}.sound-switch[aria-checked=true] span{transform:translateX(16px)}.jump-flight-layer{position:absolute;z-index:12;pointer-events:none;isolation:isolate}.app:not([data-section=home]) .jump-flight-layer{display:none}.account-withdraw{margin-top:40px;padding-top:24px;border-top:1px solid #d5dece}.account-withdraw h2{font-size:18px}.withdraw-link{min-height:44px;background:0 0;border:0;padding:8px 0;color:#944e43;font:inherit;text-decoration:underline;text-underline-offset:4px}.withdraw-confirm{display:flex;align-items:flex-start;gap:12px;margin:24px 0;line-height:1.6}.withdraw-confirm input{width:22px;height:22px;flex:none;margin-top:3px;accent-color:#2d684e}.sam-button.danger{background:#944e43}.admin-return{position:fixed;right:12px;bottom:calc(82px + env(safe-area-inset-bottom));z-index:120;min-height:44px;display:flex;align-items:center;padding:0 16px;background:#f8faf3;border:1px solid #8aa28d;border-radius:24px;color:#244d39;text-decoration:none;font:600 13px/1.4 sans-serif;box-shadow:0 2px 8px #173b2514}.app[data-section=home] .character-D:not(.is-reacting) .rig-body,.app[data-section=home] .character-D:not(.is-reacting) .rig-head,.app[data-section=home] .character-D:not(.is-reacting) .rig-writing,.app[data-section=home] .character-D:not(.is-reacting) .secret-face,.app[data-section=home] .character-D:not(.is-reacting):after{animation:none!important}.app[data-section=home] .character-D:not(.is-reacting) .face-focus{opacity:1}.app[data-section=home] .character-D:not(.is-reacting) .face-joy,.app[data-section=home] .character-D:not(.is-reacting) .face-realize,.app[data-section=home] .character-D:not(.is-reacting):after{opacity:0}.app .character-choices .secret-face,.app .character-preview .character-D:not(.is-reacting) *,.app .character-preview .character-D:not(.is-reacting):after{animation:none!important}.app .character-choices .face-focus,.app .character-preview .character-D:not(.is-reacting) .face-focus{opacity:1}.app .character-choices .face-joy,.app .character-choices .face-realize,.app .character-preview .character-D:not(.is-reacting) .face-joy,.app .character-preview .character-D:not(.is-reacting) .face-realize,.app .character-preview .character-D:not(.is-reacting):after{opacity:0}.app .character-D.is-reacting .secret-face{animation-iteration-count:1!important;animation-fill-mode:both}