/* Shared foundations: DESIGN.md / 2026-10-24. */
:root {
 --color-canvas:#f7f6f0;--color-surface:#fffefb;--color-surface-soft:#eeeee5;
 --color-ink:#282a25;--color-text:#4c5148;--color-muted:#62675b;--color-line:#dedfd4;
 --color-control-border:#858a7b;--color-primary:#d9f77e;--color-primary-hover:#cceb6d;--color-primary-pressed:#bddd5f;
 --color-focus:#3e5b9b;--color-link:#3e5b9b;--site-accent:#64794c;
 --site-page:var(--color-canvas);--site-paper:var(--color-surface);--site-ink:var(--color-ink);--site-muted:var(--color-muted);--site-line:var(--color-line);
 --site-font:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei','Noto Sans CJK SC',Arial,'Bugtian Play Emoji',sans-serif;
 --p-page:var(--site-page);--p-paper:var(--site-paper);--p-ink:var(--site-ink);--p-muted:var(--site-muted);--p-line:var(--site-line);
 --site-ease:cubic-bezier(.2,.7,.2,1);
}
html{scroll-padding-top:100px;background:var(--site-page);color-scheme:light}
html.site-night{color-scheme:dark}
body{font-family:var(--site-font);font-size:16px;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
::selection{background:var(--color-primary);color:#282a25}
:where(button,a,input,textarea,select,summary,[tabindex]):focus-visible{outline:2px solid var(--color-focus);outline-offset:3px}
input,textarea{caret-color:var(--color-ink)}
input::placeholder,textarea::placeholder{color:var(--color-muted);opacity:1}
html{scrollbar-color:var(--color-control-border) var(--color-canvas)}
.wrap,.portal-wrap,.love-wrap{width:min(1320px,calc(100% - 64px))}
.site-header{height:80px;position:sticky;top:0;z-index:60;width:100%;margin:0;border-bottom:1px solid var(--site-line);background:var(--site-page);color:var(--site-ink);font-family:var(--site-font);view-transition-name:site-header}
.site-header-inner{width:min(1320px,calc(100% - 64px));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-brand{padding:0;border:0;background:transparent;display:flex;align-items:center;gap:10px;font:750 21px/1.1 var(--site-font);letter-spacing:0;color:var(--site-ink);text-align:left;text-decoration:none;white-space:nowrap;flex-shrink:0;min-height:44px}
.site-brand svg{width:32px;height:32px;flex-shrink:0}
.site-brand small{display:block;font:400 12px/1.5 var(--site-font);letter-spacing:1px;margin-top:4px;color:var(--site-muted)}
.site-nav{display:flex;align-items:center;gap:14px;white-space:nowrap}
.site-nav>a{position:relative;color:var(--site-muted);display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 0;text-decoration:none;font:500 14px/1.5 var(--site-font);letter-spacing:0}
.site-nav>a::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:3px;background:var(--site-accent);transform:scaleX(0);transform-origin:left;transition:transform 160ms var(--site-ease)}
.site-nav>a:hover,.site-nav>a[aria-current=page]{color:var(--site-ink)}
.site-nav>a:hover::after,.site-nav>a[aria-current=page]::after{transform:scaleX(1)}
.site-nav>a:last-child{color:#98526e}
.site-night .site-nav>a:last-child{color:#e5abc4}
.site-controls{display:flex;align-items:center;gap:8px;flex-shrink:0}
.site-control{width:44px;height:44px;padding:0;border:1px solid var(--site-line);border-radius:12px;background:var(--site-paper);color:var(--site-ink);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;text-decoration:none;font:500 14px/1.5 var(--site-font);transition:background 160ms var(--site-ease)}
.site-control>svg{width:20px;height:20px}
.site-control:hover{background:var(--color-surface-soft)}
.site-control[aria-pressed=true]{background:var(--color-primary);color:#282a25;border-color:transparent}
.site-menu-toggle{display:none}
.site-control-label{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden;white-space:nowrap}
.site-preferences{position:relative}
.site-preferences>summary{list-style:none}
.site-preferences>summary::-webkit-details-marker{display:none}
.site-preferences-panel{position:absolute;right:0;top:calc(100% + 12px);z-index:65;min-width:220px;padding:16px;background:var(--site-paper);border-radius:16px;box-shadow:0 12px 36px rgb(40 42 37 / 12%);display:grid;gap:8px;max-height:calc(100dvh - 110px);overflow:auto}
.site-preferences-panel>p{font-size:14px;font-weight:600;color:var(--site-ink);margin:0 0 4px}
.site-preferences-panel .site-control{width:100%;justify-content:start;gap:12px;border:0;padding:10px 12px;border-radius:8px;background:var(--color-surface-soft)}
.site-preferences-panel .site-control[aria-pressed=true]{background:var(--color-primary);color:#282a25}
.site-preferences-panel .site-control-label{position:static;width:auto;height:auto;clip-path:none;overflow:visible;font-size:14px}
.site-chapters{font:500 14px/1.5 var(--site-font);color:var(--site-muted);background:var(--site-page);border-bottom:1px solid var(--site-line)}
.site-chapters-inner{width:min(1320px,calc(100% - 64px));min-height:44px;display:flex;align-items:center;gap:24px;margin:auto;overflow-x:auto;scrollbar-width:thin}
.site-chapters a{white-space:nowrap;min-height:44px;display:flex;align-items:center;padding:8px 0}
.site-chapters a:hover{color:var(--site-ink)}
.site-chapters-label{display:none}
.portal-hero{padding:54px 0 45px}.portal-hero h1{font-family:var(--site-font);font-size:clamp(48px,4.7vw,68px);line-height:1.23;font-weight:800;letter-spacing:-2.8px;margin-bottom:23px}.hero h1{font-size:clamp(48px,4.7vw,68px)}.hero-description,.portal-hero p:not(.portal-eyebrow),.section-description{font:400 15px/1.9 var(--site-font)}.portal-hero p:not(.portal-eyebrow){max-width:730px}.portal-eyebrow,.eyebrow{font-size:10px;letter-spacing:1.6px}.portal-section-head h2,.section-heading h2{font-size:32px;line-height:1.5;font-weight:700}.portal-section-head p{font-size:13px}.p-button,.small-button{font-size:13px}.p-chip{font-size:12px;padding:10px 15px;min-height:40px}.p-search input{font-size:14px}.knowledge-copy h3,.reading-card h3,.world-card-copy h3{font-size:22px;font-weight:650}.knowledge-copy>p,.story-card-copy>p,.world-card-copy p,.directory-card p,.song-card-copy>span{font-size:13px;line-height:1.85}.directory-title{font-size:17px}.knowledge-footer .p-button{font-size:12px}.reading-prose{line-height:2.1}.game-card,.world-card,.knowledge-card,.reading-card,.directory-card,.song-card{transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;will-change:auto}.game-card:hover,.world-card:hover,.knowledge-card:hover,.reading-card:hover,.directory-card:hover,.song-card:hover{transform:translateY(-2px);box-shadow:0 12px 24px #2735240c}.hero .play-machine{animation:site-float 8s ease-in-out infinite}.rose-composition{animation:site-float 10s ease-in-out infinite}.radio-vinyl{animation-timing-function:linear}.portal-dialog[open],.letter-dialog[open],.game-dialog[open],.zodiac-dialog[open]{animation:site-dialog-in .2s cubic-bezier(.2,.65,.3,1)}.story-reader .reading-prose{font-size:16px}.reading-meta{font-size:12px}.story-reading-time{font-size:11px;color:var(--site-muted)}.directory-region-tools{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:22px}.directory-region-tools>p{font-size:12px;color:var(--site-muted);margin:0;line-height:1.8}.directory-access-note{font-size:10px!important;color:var(--site-muted);margin-top:8px!important}.radio-language-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.radio-artist-scroll{max-width:100%;overflow-x:auto;scrollbar-width:thin;padding:5px 0 10px}.radio-artist-scroll .p-filters{flex-wrap:nowrap;min-width:max-content}.radio-artist-scroll button{flex-shrink:0}.radio-playlist .p-toolbar{margin-top:16px}.portal-hero-stamp{min-width:110px;height:110px}.radio-mini .site-header,.radio-mini .site-chapters{display:none}.radio-mini main.portal-wrap{width:100%}.site-night{--color-canvas:#20231f;--color-surface:#2b2f28;--color-surface-soft:#343a30;--color-ink:#f3f3e8;--color-text:#d0d6c7;--color-muted:#b0b9a5;--color-line:#42473b;--color-control-border:#7b876b;--color-focus:#b6d9ee;--color-link:#b6d9ee;--site-accent:#b0c581;--p-soft:#33382e;--p-green:#bacb9a}.site-night .site-control:hover{background:#3a4730}.site-night .site-control[aria-pressed=true]{background:#4a5c37;border-color:#839766;color:#deebc6}.site-night body{background:var(--site-page);color:var(--site-ink)}.site-night body[data-page=yiqian]{--paper:#292522;--ink:#f1e5dd;--muted:#c5acb5;--line:#5a484c;--rose:#985d74}.site-night body[data-page=yiqian] .hero-note,.site-night body[data-page=yiqian] .love-section-head>p,.site-night body[data-page=yiqian] .together-heading p,.site-night body[data-page=yiqian] .reasons-header .eyebrow,.site-night body[data-page=yiqian] .love-hero-foot,.site-night body[data-page=yiqian] .love-hero-foot strong,.site-night body[data-page=yiqian] .love-postscript>p{color:#c4aeb6}.site-night body[data-page=yiqian] .hero-personal-note{background:#443238;border-color:#76515f;color:#e4c2cf}.site-night body[data-page=yiqian] .together-heading h2>span,.site-night body[data-page=yiqian] .love-postscript h2>span,.site-night body[data-page=yiqian] .love-section-head h2 em{color:#d99bb7}.site-night body[data-page=yiqian] .love-quick-links a{background:#423136;color:#e2bbc8;border-color:#785260}.site-night body[data-page=yiqian] .love-quick-links a:last-child{background:#38402e;color:#c3d1ae;border-color:#64734f}.site-night body[data-page=yiqian] .personal-details{background:#403136;border-color:#73505d}.site-night body[data-page=yiqian] .personal-details>summary{color:#d6b0c0}.site-night body[data-page=yiqian] .personal-detail-body>p{color:#d5bcc6}.site-night body[data-page=yiqian] .love-footer{color:#d2afbe}
@keyframes site-float{0%,100%{translate:0 0}50%{translate:0 -6px}}@keyframes site-dialog-in{from{opacity:.3;translate:0 9px}to{opacity:1;translate:0 0}}/* Keep the outgoing snapshot opaque so the canvas never shines through.
   Only the incoming page fades; its first viewport is already fully rendered. */
@keyframes site-page-in{from{opacity:0}to{opacity:1}}
@view-transition{navigation:auto}
::view-transition-group(root),::view-transition-group(site-header){animation-duration:.18s}
::view-transition-old(root){animation:none;opacity:1;mix-blend-mode:normal}
::view-transition-new(root){animation:site-page-in .18s ease-out both;mix-blend-mode:normal}
::view-transition-old(site-header),::view-transition-new(site-header){animation:none;mix-blend-mode:normal}
@media(max-width:1150px){.portal-hero h1,.hero h1{font-size:56px}.portal-section-head h2,.section-heading h2{font-size:29px}}
@media(max-width:700px){html{scroll-padding-top:86px}.wrap,.portal-wrap,.love-wrap{width:calc(100% - 36px)}.portal-hero{padding:35px 0 31px}.portal-hero h1,.hero h1{font-size:clamp(36px,10.3vw,46px);font-weight:800;letter-spacing:-1.8px;line-height:1.25}.portal-hero p:not(.portal-eyebrow),.hero-description,.section-description{font-size:14px;line-height:1.95}.portal-hero-stamp{display:none}.portal-eyebrow,.eyebrow{font-size:9px;letter-spacing:1.1px}.portal-section-head h2,.section-heading h2{font-size:26px}.p-chip{font-size:12px;padding:10px 12px}.p-button,.small-button{font-size:12px}.p-search input{font-size:16px}.portal-section-head p{font-size:12px}.knowledge-copy>p,.story-card-copy>p,.world-card-copy p,.directory-card p{font-size:13px}.knowledge-copy h3,.reading-card h3{font-size:23px}.world-card-copy h3{font-size:19px}.world-card-copy{padding:18px 15px}.world-card-copy p{font-size:12px}.knowledge-footer .p-button{font-size:12px}.reading-meta{font-size:11px}.directory-region-tools{display:block}.directory-region-tools>p{font-size:12px;margin-top:12px}.radio-now .p-button{font-size:12px}.radio-now h2{font-size:29px}.radio-artist-scroll{margin-inline:-3px}.game-card:hover,.world-card:hover,.knowledge-card:hover,.reading-card:hover,.directory-card:hover,.song-card:hover{transform:none}}
@media(max-width:360px){.portal-hero h1,.hero h1{font-size:36px}.world-card-copy h3{font-size:22px}.world-card-copy p{font-size:13px}}
@media(prefers-reduced-motion:reduce){@view-transition{navigation:none}html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}.hero .play-machine,.rose-composition{translate:none}::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}}

.story-vignette{width:135px;height:135px;color:#97a782;transform:rotate(-4deg);transition:transform .3s ease}.art-blue .story-vignette{color:#83a2af}.art-purple .story-vignette{color:#a18db5}.art-rose .story-vignette{color:#b9919b}.art-amber .story-vignette{color:#b6a172}.reading-card:hover .story-vignette{transform:rotate(0deg) translateY(-2px)}@media(max-width:700px){.story-vignette{width:117px;height:117px}}

body.portal-night{--p-page:var(--site-page);--p-paper:var(--site-paper);--p-ink:var(--site-ink);--p-muted:var(--site-muted);--p-line:var(--site-line);--p-soft:#33382e;--p-green:#bacb9a}body{transition:background-color .18s ease,color .18s ease}@media(prefers-reduced-motion:reduce){body{transition:none}}

.story-vignette{position:absolute;left:50%;top:53%;transform:translate(-50%,-50%) rotate(-4deg)}.reading-card:hover .story-vignette{transform:translate(-50%,-50%) rotate(0deg)}.site-night body[data-page=yiqian] .recipient,.site-night body[data-page=yiqian] .love-title-last,.site-night body[data-page=yiqian] .reasons-header h2>span{color:#dda3bb}.site-night body[data-page=yiqian] .hero-love-actions .quiet-link,.site-night body[data-page=yiqian] .wish-progress span,.site-night body[data-page=yiqian] .wish-tools>.quiet-link,.site-night body[data-page=yiqian] .wish-section>.together-local{color:#d4a8ba}

/* Shared navigation collapses before labels need shrinking. */
@media(max-width:1199px){
 .wrap,.portal-wrap,.love-wrap,.site-header-inner,.site-chapters-inner{width:calc(100% - 48px)}
 .site-nav{position:absolute;top:100%;left:24px;right:24px;display:none;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:16px;background:var(--site-paper);border-radius:0 0 16px 16px;box-shadow:0 12px 36px rgb(40 42 37 / 12%);max-height:calc(100dvh - 100px);overflow:auto;white-space:normal}
 .site-nav.open{display:grid;animation:site-dialog-in 180ms var(--site-ease)}
 .site-nav>a{font-size:14px;min-height:44px;padding:10px 6px;border-radius:8px;background:var(--site-page);text-align:center}
 .site-nav>a::after{left:12px;right:12px}
 .site-menu-toggle{display:inline-flex}
}
@media(max-width:599px){
 html{scroll-padding-top:88px}
 .wrap,.portal-wrap,.love-wrap,.site-header-inner,.site-chapters-inner{width:calc(100% - 36px)}
 .site-header{height:72px}
 .site-header-inner{gap:8px}
 .site-brand{font-size:18px;gap:8px}
 .site-brand svg{width:28px;height:28px}
 .site-brand small{font-size:12px;letter-spacing:0}
 .site-controls{gap:6px}
 .site-nav{left:18px;right:18px}
 .site-chapters-inner{gap:20px;font-size:14px}
 .site-preferences-panel{right:0;max-width:calc(100vw - 36px)}
}
@media(max-width:360px){
 .wrap,.portal-wrap,.love-wrap,.site-header-inner,.site-chapters-inner{width:calc(100% - 28px)}
 .site-brand{font-size:16px;gap:6px}.site-controls{gap:4px}.site-nav{left:14px;right:14px}
}
@media(prefers-reduced-motion:reduce){.site-nav.open{animation:none}.site-control,.site-nav>a::after{transition:none}}