/* Mobile layout; desktop retains its existing composition. */
.topbar nav .nav-button>.nav-label{font-size:inherit;line-height:inherit;vertical-align:baseline;margin:0}
@media(min-width:701px){.topbar nav .nav-button[data-view]{display:inline-flex;align-items:center;gap:8px}.topbar nav .nav-button[data-view]>.pixel-icon{margin:0}}
.mobile-journey-note,.mobile-scene-tools,.mobile-record-entry{display:none}
#mobile-landscape-dialog{width:min(1100px,calc(100% - 20px));padding:18px;background:#fbf7e9}
#mobile-landscape-dialog h2{font-size:16px;line-height:1.5}
.mobile-landscape-full{background:#294e3a;overflow:auto;border:3px solid #466247}
.mobile-landscape-full img{display:block;width:100%;height:auto}
#mobile-landscape-dialog>p{font-size:12px;line-height:1.8;color:#77816a;margin-top:14px}
@media(max-width:700px){
  html{scroll-padding-bottom:100px}
  body{padding-bottom:calc(88px + env(safe-area-inset-bottom));background:#f8f4e8;overflow-x:clip}
  button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}
  input,textarea,select{font-size:16px!important}
  .topbar{position:relative;min-height:66px;flex-wrap:nowrap;gap:8px;padding:12px 16px;border:0;background:#faf7ee;box-shadow:none}
  .brand{font-size:17px;gap:6px;min-width:0;white-space:nowrap}
  .brand-tree .pixel-icon{width:24px;height:24px}
  .header-actions{gap:5px;flex:none}
  .header-actions .quiet{width:38px;height:42px;min-height:42px;display:grid;place-items:center;padding:0}
  .header-actions .primary{min-height:42px;padding:9px 11px;font-size:12px;border-radius:9px;box-shadow:none}
  .topbar nav{--nav-index:0;position:fixed;z-index:20;left:max(12px,env(safe-area-inset-left));right:max(12px,env(safe-area-inset-right));bottom:calc(10px + env(safe-area-inset-bottom));width:auto;height:72px;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:6px 7px;border:1px solid #ffffffbd;border-radius:29px;background:linear-gradient(125deg,#ffffffa8,#fffdf44d 48%,#edf3e473);box-shadow:inset 0 1px 0 #ffffffed,inset 0 -1px 0 #ffffff66,0 8px 28px #233d2926,0 2px 5px #4d60440d;-webkit-backdrop-filter:blur(24px) saturate(170%);backdrop-filter:blur(24px) saturate(170%);isolation:isolate}
  .topbar nav:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:inset 1px 0 0 #ffffffa6,inset -1px 0 0 #ffffff66;background:radial-gradient(ellipse at 12% 0,#ffffff9e,transparent 52%)}
  .topbar nav:after{content:"";position:absolute;z-index:0;left:7px;top:6px;bottom:6px;width:calc((100% - 26px)/4);border:1px solid #ffffffb3;border-radius:23px;background:linear-gradient(145deg,#ffffffd9,#e4edda8c 65%,#d8e5cc70);box-shadow:inset 0 1px 1px #fff,inset 0 -1px 1px #bacba352,0 3px 9px #335a3421;transform:translateX(calc(var(--nav-index)*(100% + 4px)));transition:transform .42s cubic-bezier(.2,.85,.25,1.1);will-change:transform;pointer-events:none}
  .topbar nav .nav-button{position:relative;z-index:1;display:grid;grid-template-rows:24px 16px;align-content:center;justify-items:center;align-items:center;gap:3px;min-width:0;height:58px;min-height:0;padding:0 2px;font-size:11px;line-height:16px;font-weight:500;letter-spacing:0;text-align:center;border-radius:23px;color:#52634b;transition:color .18s,background .18s;touch-action:manipulation}
  .topbar nav .nav-button>.pixel-icon{display:block;width:24px;height:24px;margin:0;vertical-align:initial;flex:none}
  .topbar nav .nav-button>.nav-label{display:block;width:100%;height:16px;margin:0;font-size:11px;line-height:16px;letter-spacing:0;white-space:nowrap;text-align:center}
  .topbar nav .nav-button.active{background:transparent;color:#294c36;font-weight:600}
  .topbar nav .nav-button>.pixel-icon,.topbar nav .nav-button>.nav-label{transition:transform .28s cubic-bezier(.2,.85,.25,1.2);transform-origin:center}
  .topbar nav .nav-button:active{background:#ffffff40}
  .topbar nav .nav-button:active>.pixel-icon{transform:translateY(1px) scale(.86);transition-duration:.06s}
  .topbar nav .nav-button:active>.nav-label{transform:scale(.95);transition-duration:.06s}
  .topbar nav .nav-button:focus-visible{outline:2px solid #5f7954;outline-offset:-3px}
  .header-actions #record-today{display:none}
  .topbar nav .mobile-record-entry{color:#806127}
  .mobile-record-entry>.pixel-icon{padding:2px;border-radius:8px;background:#b8963912;box-shadow:inset 0 0 0 1px #b896391c}
  main{padding:0 14px;max-width:100%;margin:0}
  .context-bar{min-height:29px;margin:0;padding:1px 2px 6px;gap:6px;font-size:10px}
  .context-bar .eyebrow{font-size:10px}
  .context-bar button{font-size:10px;padding:2px 0;min-height:28px}
  .notice{padding:7px 10px;margin:0 0 13px;border-radius:8px;border:1px solid #e2dbc6;font-size:10px;line-height:1.5;background:#f1eddc;box-shadow:none}
  .notice #notice-setup{display:none}
  .map-home{display:flex;flex-direction:column;min-height:0;border:0;background:transparent;box-shadow:none;overflow:visible}
  .chapter-rail{width:100%;border:0;box-shadow:none;background:#eff0df;border-radius:14px;overflow:hidden;padding:0;flex:none}
  .chapter-woods,.chapter-haze,.chapter-trail,.chapter-footer{display:none}
  .chapter-rail-head{height:auto;display:flex;align-items:center;justify-content:space-between;gap:6px;padding:12px 14px 0;background:transparent}
  .chapter-rail-head h1{font-family:-apple-system,"PingFang SC",sans-serif;font-size:14px;font-weight:600!important;margin:0;color:#34553e}
  .mobile-journey-note{display:block;font-size:10px;color:#849077;white-space:nowrap}
  .chapter-path{position:relative;display:flex;flex-direction:row;gap:11px;padding:19px 14px 18px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;scroll-snap-type:x proximity;overscroll-behavior-x:contain}
  .chapter-path::-webkit-scrollbar{display:none}
  .chapter-step,.chapter-step:nth-of-type(odd),.chapter-step:nth-of-type(even){flex:0 0 126px;width:126px;max-width:none;min-height:67px;align-self:auto;scroll-snap-align:center}
  .chapter-step:before{left:-12px;top:33px;width:12px;height:3px;background:#b1ad7b;box-shadow:none}
  .chapter-step:first-of-type:before{display:none}
  .chapter-plank{min-height:67px;padding:9px 8px;gap:7px;border-top-width:2px;border-bottom-width:3px;border-left-width:2px;border-right-width:3px}
  .chapter-plank:before,.chapter-plank:after{width:2px;height:2px;top:5px}
  .chapter-step .chapter-texture{bottom:7px;height:1px}
  .chapter-node{width:23px;height:27px;flex-basis:23px;filter:none}
  .chapter-node svg{width:23px;height:23px}
  .chapter-copy{font-family:-apple-system,"PingFang SC",sans-serif;min-width:0}
  .chapter-copy strong{font-size:15px!important;letter-spacing:0;line-height:1.5}
  .chapter-copy small{font-size:9px!important;letter-spacing:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70px;margin-top:2px;line-height:1.5}
  .chapter-state{font-family:inherit;top:-12px;right:4px;padding:2px 5px;letter-spacing:0;font-size:8px;box-shadow:1px 1px #d4b878}
  .chapter-growth{display:none}
  .chapter-step[aria-current="step"] .chapter-plank{transform:none}
  .chapter-step:hover .chapter-plank{transform:none}
  .home-main{padding:19px 0 0;min-width:0;width:100%}
  .home-heading{display:grid;grid-template-columns:1fr;gap:8px;margin:0 1px 13px}
  .home-heading .eyebrow{font-size:10px;letter-spacing:1px;color:#8b906f}
  .home-heading h1{font-size:22px;line-height:1.5;margin:4px 0 0;letter-spacing:.01em}
  .home-heading>div>p{display:none}
  .home-badge-tip{justify-self:start;display:inline-flex;gap:5px;width:auto;min-height:29px;padding:3px 8px 3px 4px;margin:0;border:1px solid #d9cc9e;border-radius:18px;background:#f5efd9;box-shadow:none}
  .home-badge-tip>span:last-child{display:flex;align-items:center;gap:6px}
  .home-badge-tip strong{font-size:9px;font-weight:400;color:#8c8869}
  .home-badge-tip small{font-size:10px;margin:0;max-width:90px;color:#8d702e}
  .home-badge-art{width:22px;height:22px;filter:none}
  .home-badge-art:after{display:none}
  .home-badge-art>.pixel-icon{width:18px;height:18px}
  .home-badge-art .badge-art{width:22px;height:22px;border-width:1px}
  .home-badge-art .badge-art .pixel-icon{width:16px;height:16px}
  .home-scene,.home-scene[data-season]:not([data-season=""]){height:195px;aspect-ratio:auto;border:3px solid #4f694c;border-radius:10px;box-shadow:0 3px #d7cfac;overflow:hidden}
  #mobile-scene-viewport{position:absolute;inset:0;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;overscroll-behavior-x:contain}
  #mobile-scene-viewport::-webkit-scrollbar{display:none}
  #mobile-scene-viewport:focus-visible{outline:3px solid #e8c06c;outline-offset:-4px}
  .home-scene-art{position:relative;inset:auto;width:567px;height:189px;min-width:100%;background-size:100% 100%;background-repeat:no-repeat;image-rendering:pixelated}
  .home-scene #home-scene-caption{left:8px;bottom:8px;max-width:calc(100% - 108px);font-size:9px;line-height:1.4;padding:5px 7px;border:0;border-radius:5px;background:#fffae9eb;box-shadow:none;pointer-events:none}
  .home-scene-overview{right:8px;bottom:8px;min-height:32px;padding:5px 7px;font-size:9px;border:0;border-radius:5px;background:#fffae9eb;box-shadow:none}
  .home-scene-overview .pixel-icon{width:12px;height:12px}
  .mobile-scene-tools{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:7px 2px 0;color:#93977e;font-size:10px}
  .mobile-scene-tools button{display:inline-flex;align-items:center;gap:4px;min-height:34px;padding:5px 0 5px 10px;font-size:10px;color:#637651;border:0;background:none}
  .mobile-scene-tools .pixel-icon{width:14px;height:14px}
  .home-season-controls{margin:2px 0 0;gap:8px;justify-content:flex-start;align-items:center}
  .home-season-buttons{display:grid;grid-template-columns:1.4fr repeat(4,1fr);width:100%;gap:3px;padding:4px;border:1px solid #d8dcc5;border-radius:10px;box-shadow:none}
  .home-season-buttons button{min-height:39px;padding:6px 0;font-size:11px;border-radius:6px}
  #home-season-status{display:none}
  .home-scene-story{font-size:12px;line-height:1.9;margin:12px 3px 0;color:#7f8973}
  .album-section{margin-top:24px}
  .album-toolbar{gap:8px;margin-bottom:14px;align-items:center}
  .album-title{gap:7px;min-width:0}
  .album-title>.pixel-icon{width:22px;height:22px}
  .album-title h2{font-family:-apple-system,"PingFang SC",sans-serif;font-weight:600;font-size:19px;letter-spacing:0}
  .album-title p{font-size:9px;max-width:170px;line-height:1.6}
  .year-field select{font-size:13px!important;min-height:40px;max-width:99px;padding:7px 18px 7px 8px;border-radius:8px;box-shadow:none}
  .album-cover{padding:7px 7px 58px;border-radius:10px;box-shadow:0 3px #d7cba8,0 7px #f0e9d4;perspective:none}
  .album-bookmark{left:12px;font-size:10px;padding:9px 6px 17px}
  .album-spread{display:flex;flex-direction:column;min-height:0;border-radius:5px}
  .album-spread:before{display:none}
  .album-page,.album-page.right-page{padding:24px 14px 17px;min-width:0;overflow:hidden}
  .album-page.right-page{padding-top:15px;border-top:1px dashed #d8cfb2}
  .album-page-kicker{font-size:9px;letter-spacing:1px;margin:0 0 16px;padding-left:5px}
  .album-sheet{padding:0 2px;gap:0}
  .album-print{padding:6px 6px 10px;transform:rotate(-.7deg)}
  .album-main-print .album-image{aspect-ratio:1.55}
  .album-print-caption{padding:9px 4px 0}
  .album-main-print .album-print-caption strong{font-family:-apple-system,"PingFang SC",sans-serif;font-size:17px;line-height:1.55;font-weight:600}
  .album-print-caption small{font-size:9px;line-height:1.6}
  .album-excerpt{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;max-height:104px;overflow:hidden;font-size:13px;line-height:26px;margin:16px 4px 8px;white-space:pre-wrap}
  .album-read-entry{min-height:39px;padding:5px 0;font-size:12px;margin:0 4px}
  .album-side-stack{display:grid;grid-auto-flow:column;grid-template-columns:none;grid-auto-columns:124px;gap:15px;min-height:0;overflow-x:auto;overflow-y:hidden;padding:11px 5px 17px;scroll-snap-type:x proximity;align-content:start;justify-content:start;scrollbar-width:thin;scrollbar-color:#c3bd9b transparent}
  .album-print.small-print{scroll-snap-align:center;padding:5px 5px 9px}
  .small-print .album-image{aspect-ratio:1.35}
  .small-print .album-print-caption strong{font-family:-apple-system,"PingFang SC",sans-serif;font-size:12px;line-height:1.6}
  .small-print .album-print-caption small{font-size:9px}
  .album-quiet-page{min-height:70px;gap:7px;grid-column:1/-1;font-family:inherit;font-size:11px}
  .album-quiet-page>.pixel-icon{width:26px;height:26px}
  .album-page-number,.album-flower{display:none}
  .album-page-turn{width:auto;height:38px;min-height:38px;bottom:10px;padding:6px 12px;border:1px solid #9ba787;background:#f5f0de;color:#4f6349;border-radius:7px;font-size:11px}
  .album-page-turn.turn-back{left:13px}.album-page-turn.turn-forward{right:13px}
  .album-page-turn:before,.album-page-turn:after{display:none}
  .album-turn-label,.turn-back .album-turn-label{position:static;transform:none!important;opacity:1!important}
  .album-bottom{margin-top:15px;font-size:10px;gap:8px}
  .album-bottom>span:first-child{max-width:230px;font-size:10px}
  .album-turn-leaf{display:none}
  #home-motto-slot{margin-top:22px}
  #home-motto-slot .daily-motto{padding:13px;border:1px solid #e2d6b6;border-radius:10px;box-shadow:none}
  .collection-view{padding:18px 0;border-radius:0;border:0;box-shadow:none;background:transparent}
  .collection-heading{gap:12px}.collection-heading .primary{min-height:42px}
  .diary-grid{grid-template-columns:1fr;gap:16px}
  .badge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .badge-card{padding:16px 10px;border-radius:12px}
  .page-footer{font-size:9px;padding-bottom:8px}
  .toast{bottom:calc(95px + env(safe-area-inset-bottom));font-size:12px}
  dialog{max-height:calc(100dvh - 28px);border-radius:16px}
  .close-button{min-width:42px;min-height:42px}
  .read-footer{padding-bottom:calc(12px + env(safe-area-inset-bottom))}
}
@media(max-width:350px){.topbar{padding-left:12px;padding-right:12px}.brand{font-size:15px}.header-actions .primary{padding:8px;font-size:11px}.home-heading h1{font-size:20px}.home-scene #home-scene-caption{font-size:8px;max-width:calc(100% - 103px)}.album-title p{max-width:135px}.album-title h2{font-size:17px}}

/* Mobile archive v2: one continuous journey, five visible stops. */
@media(max-width:700px){
  .chapter-rail{background:linear-gradient(180deg,#fbf8ee,#f3f1e5);border:1px solid #e1dfcd;border-radius:15px;box-shadow:0 3px 12px #52643b04;overflow:visible}
  .chapter-rail-head{padding:13px 15px 0;align-items:center}
  .chapter-rail-head h1{font-size:13px;font-weight:500!important;letter-spacing:2px;color:#6b795d}
  .mobile-journey-note{font-size:10px;font-variant-numeric:tabular-nums;letter-spacing:1.5px;color:#9b9b7f;line-height:1.6}
  .chapter-path{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;padding:14px 8px 12px;overflow:visible;scroll-snap-type:none}
  .chapter-path:before{content:"";position:absolute;z-index:0;left:calc(8px + (100% - 16px)/10);right:calc(8px + (100% - 16px)/10);top:31px;height:2px;background:linear-gradient(to right,#a3af86 0 var(--journey-progress,75%),#dedfce var(--journey-progress,75%) 100%);border:0;box-shadow:none}
  .chapter-step,.chapter-step:nth-of-type(odd),.chapter-step:nth-of-type(even){width:100%;max-width:none;min-width:0;min-height:68px;flex:initial;align-self:start;filter:none;z-index:1;text-align:center}
  .chapter-step:before,.chapter-step:after,.chapter-step:first-of-type:before{display:none}
  .chapter-plank,.chapter-step.future .chapter-plank,.chapter-step[aria-current="step"] .chapter-plank,.chapter-step.future[aria-current="step"] .chapter-plank{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;gap:0;min-height:68px;padding:0 1px;background:transparent;border:0;clip-path:none;box-shadow:none;transform:none}
  .chapter-plank:before,.chapter-plank:after,.chapter-step .chapter-texture,.chapter-growth,.chapter-step[aria-current="step"] .chapter-state{display:none}
  .chapter-node{display:grid;place-items:center;width:35px;height:35px;flex:0 0 35px;border:1px solid #d8dcc7;border-radius:50%;background:#f9f7ec;box-shadow:0 0 0 5px #f8f6ec;color:#829071;filter:none;transition:background .2s,border-color .2s,color .2s,box-shadow .2s}
  .chapter-node svg{width:20px;height:20px}
  .chapter-copy{width:100%;margin-top:9px;font-family:-apple-system,"PingFang SC",sans-serif}
  .chapter-copy strong{display:block;font-size:12px!important;line-height:1.6;letter-spacing:0;font-weight:400!important;white-space:nowrap;color:#8a9178}
  .chapter-copy small{display:none}
  .chapter-step[data-journey-past="true"] .chapter-node{background:#edf0e1;border-color:#bdc7a5;color:#708560}
  .chapter-step[aria-current="step"] .chapter-node{background:#f1dfb4;border-color:#bd9650;color:#795f2f;box-shadow:0 0 0 5px #f7f0df,0 0 0 6px #ddc58d88}
  .chapter-step[aria-current="step"] .chapter-copy strong{color:#4a5c3c;font-weight:600!important}
  .chapter-step.future .chapter-node{border-style:dashed;color:#a8ab92;background:#f8f7ef}
  .chapter-step.future[aria-current="step"] .chapter-node{border-style:solid;color:#795f2f;background:#f1dfb4}
  .chapter-step:focus-visible{outline:2px solid #a78c50;outline-offset:4px;border-radius:9px}
  .chapter-step:hover .chapter-plank{transform:none;filter:none}
}
@media(max-width:350px){.chapter-copy strong{font-size:11px!important}.chapter-node{width:32px;height:32px;flex-basis:32px}.chapter-node svg{width:18px;height:18px}.chapter-path:before{top:30px}.chapter-rail-head{padding-left:13px;padding-right:13px}}

.mobile-chapter-detail,.chapter-number,.chapter-thumb{display:none}
@media(max-width:700px){#archive .chapter-rail-head>.overline,#archive .chapter-rail-head>p{display:none}#archive .chapter-trail{display:none}#archive .chapter-step:before,#archive .chapter-step:after{display:none}#archive .chapter-detail small{margin-left:auto;white-space:nowrap}#archive .chapter-path:before{display:none}#archive .chapter-state{display:none!important}#archive .chapter-detail{border-radius:0 0 14px 14px}#archive .chapter-detail-copy strong{font-size:12px;line-height:1.4;font-weight:500;color:#566b47}#archive .chapter-detail-copy>span{font-size:10px;line-height:1.5;color:#92947e}#archive .chapter-page{font-size:10px;color:#a09f87}}
/* Strongly scope every state so the future chapter keeps the same baseline. */
@media(max-width:700px){
  #archive[data-design="book"]{background:#f2eedf;border-color:#dcd7c2;border-radius:14px;box-shadow:0 5px 15px #6556380a;isolation:isolate}
  #archive[data-design="book"] .chapter-rail-head{padding:15px 15px 0}
  #archive[data-design="book"] .chapter-rail-head h1{color:#5e6f50;font-size:13px;letter-spacing:1px;font-weight:500!important}
  #archive[data-design="book"] .mobile-journey-note{font-size:10px;color:#a69e7e}
  #archive[data-design="book"] .chapter-path{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;padding:15px 12px 13px;border-bottom:1px solid #ddd5bc;background:none;align-items:start;overflow:visible}
  #archive[data-design="book"] .chapter-step{--paper:#e8ebd9;--ink:#677752;position:relative;display:block;width:100%;min-width:0;height:116px;min-height:116px;align-self:start;filter:drop-shadow(0 2px 1px #6a69451c);transition:none}
  #archive[data-design="book"] .chapter-step[data-city="burqin"]{--paper:#e5ead7;--ink:#68815a}
  #archive[data-design="book"] .chapter-step[data-city="altay"]{--paper:#e1e9e1;--ink:#5e7d75}
  #archive[data-design="book"] .chapter-step[data-city="jingzhou"]{--paper:#eee5d3;--ink:#927a50}
  #archive[data-design="book"] .chapter-step[data-city="urumqi"]{--paper:#e2e8e8;--ink:#687e83}
  #archive[data-design="book"] .chapter-step[data-city="next"]{--paper:#ece8da;--ink:#a19a7f}
  #archive[data-design="book"] .chapter-step .chapter-plank{position:relative;display:block;width:100%;height:116px;min-height:116px;padding:0!important;border:0!important;border-radius:5px 5px 0 0;clip-path:polygon(0 0,100% 0,100% 100%,50% calc(100% - 9px),0 100%);background:var(--paper)!important;box-shadow:inset 0 0 0 1px #a5a48335!important;transform:none!important;transition:none!important;overflow:hidden}
  #archive[data-design="book"] .chapter-step .chapter-plank:before{content:"";display:block;position:absolute;z-index:2;inset:0;top:0;width:auto;height:auto;pointer-events:none;background:repeating-linear-gradient(0deg,#fff8df18 0 1px,transparent 1px 3px),repeating-linear-gradient(90deg,#5d604b09 0 1px,transparent 1px 4px);box-shadow:none}
  #archive[data-design="book"] .chapter-step .chapter-plank:after{content:"";display:block;position:absolute;z-index:3;left:8px;right:8px;top:5px;width:auto;height:1px;clip-path:none;background:#9ca08345;box-shadow:0 2px #fff7df5c}
  #archive[data-design="book"] .chapter-thumb{display:block;position:absolute;z-index:0;inset:0;width:100%;height:100%;opacity:.34;filter:saturate(.55);border-radius:0;background-size:auto 116%;background-position:center;pointer-events:none}
  #archive[data-design="book"] .chapter-thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#f9f5dd20 0%,var(--paper) 74%)}
  #archive[data-design="book"] .chapter-thumb .pixel-icon{display:none}
  #archive[data-design="book"][data-paper="linen"] .chapter-thumb{opacity:0!important}
  #archive[data-design="book"] .chapter-number{display:block;position:absolute;z-index:3;top:15px;left:0;right:0;height:12px;line-height:12px;margin:0;font-size:9px;font-variant-numeric:tabular-nums;letter-spacing:1.5px;color:var(--ink)}
  #archive[data-design="book"] .chapter-node{display:grid;place-items:center;position:absolute;z-index:3;top:40px;left:calc(50% - 11px);width:22px;height:22px;min-height:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;filter:none;color:var(--ink);transition:none}
  #archive[data-design="book"] .chapter-node svg{width:21px;height:21px;fill:currentColor;color:inherit}
  #archive[data-design="book"] .chapter-copy{position:absolute;z-index:3;left:0;right:0;top:78px;width:100%;height:19px;padding:0;margin:0;display:block}
  #archive[data-design="book"] .chapter-copy strong{font-size:12px!important;line-height:19px;font-weight:500!important;color:#657252;white-space:nowrap;letter-spacing:0;margin:0}
  #archive[data-design="book"] .chapter-copy small{display:none}
  #archive[data-design="book"] .chapter-step[aria-current="step"]{filter:drop-shadow(0 3px 3px #45523830)}
  #archive[data-design="book"] .chapter-step[aria-current="step"] .chapter-plank{background:#365540!important;box-shadow:inset 0 0 0 1px #bb9d60!important}
  #archive[data-design="book"] .chapter-step[aria-current="step"] .chapter-thumb{opacity:.48;filter:saturate(.75)}
  #archive[data-design="book"] .chapter-step[aria-current="step"] .chapter-thumb:after{background:linear-gradient(180deg,#36554066,#365540e8 73%)}
  #archive[data-design="book"] .chapter-step[aria-current="step"] .chapter-number{color:#d8d7b6}
  #archive[data-design="book"] .chapter-step[aria-current="step"] .chapter-node{color:#ead497}
  #archive[data-design="book"] .chapter-step[aria-current="step"] .chapter-copy strong{color:#fff4d6;font-weight:600!important}
  #archive[data-design="book"] .chapter-step[aria-current="step"] .chapter-plank:after{background:#d7be7c;box-shadow:0 2px #e4d29b35}
  #archive[data-design="book"] .chapter-step:active .chapter-plank{filter:brightness(.92)}
  #archive[data-design="book"] .chapter-step:focus-visible{outline:2px solid #b19551;outline-offset:4px;border-radius:6px}
  #archive[data-design="book"] .chapter-detail{display:flex;align-items:center;gap:10px;padding:11px 15px 13px;background:#fffcf1;min-height:56px}
  #archive[data-design="book"] .chapter-detail>.pixel-icon{width:18px;height:18px;color:#a28c55;flex:none}
  #archive[data-design="book"] .chapter-detail-copy{display:flex;min-width:0;flex-direction:column;gap:3px;text-align:left}
  #archive[data-design="book"] .chapter-detail-copy strong{font-size:12px;line-height:1.4;font-weight:500;color:#566b47}
  #archive[data-design="book"] .chapter-detail-copy>span{font-size:10px;line-height:1.5;color:#92947e}
  #archive[data-design="book"] .chapter-page{font-size:10px;color:#a09f87}
}
@media(max-width:350px){#archive[data-design="book"] .chapter-path{gap:4px;padding-left:9px;padding-right:9px}#archive[data-design="book"] .chapter-copy strong{font-size:10px!important}#archive[data-design="book"] .chapter-node svg{width:19px;height:19px}}

@media(max-width:700px){
 #archive .bookmark-glint{position:absolute;z-index:4;inset:-15% -100%;background:linear-gradient(110deg,transparent 42%,#fff3c85c 50%,transparent 58%);opacity:0;pointer-events:none}
 #archive .chapter-step:active{transform:translateY(2px) scale(.98)}
}
@media(prefers-reduced-motion:reduce){#archive .chapter-step:active{transform:none}#archive .bookmark-glint{display:none}}

/* Keep navigation legible when translucency or motion is unavailable. */
@media(max-width:700px){
  @supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.topbar nav{background:#f6f6edf5}}
}
@media(max-width:700px) and (prefers-reduced-transparency:reduce){.topbar nav{background:#f6f6ed;-webkit-backdrop-filter:none;backdrop-filter:none}}
@media(prefers-reduced-motion:reduce){.topbar nav:after,.topbar nav .nav-button,.topbar nav .nav-button>.pixel-icon,.topbar nav .nav-button>.nav-label{transition:none}.topbar nav .nav-button:active>.pixel-icon,.topbar nav .nav-button:active>.nav-label{transform:none}}
@media(max-width:700px) and (forced-colors:active){.topbar nav{background:Canvas;border:1px solid CanvasText}.topbar nav:before,.topbar nav:after{display:none}.topbar nav .nav-button.active{outline:2px solid Highlight;outline-offset:-3px}}

@media(max-width:700px) and (prefers-reduced-motion:no-preference){
  #entry-dialog[open],#settings-dialog[open]{animation:mobile-dialog-enter .24s cubic-bezier(.18,.8,.25,1)}
  #entry-dialog::backdrop,#settings-dialog::backdrop{animation:mobile-backdrop-enter .2s ease-out}
}
@keyframes mobile-dialog-enter{from{opacity:.55;transform:translateY(16px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes mobile-backdrop-enter{from{opacity:0}to{opacity:1}}