.vfhp-app{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--vf-bg:#f7f7fc;--vf-card:rgba(255,255,255,.88);--vf-text:#171325;--vf-muted:#716b80;--vf-line:#e7e3ef;--vf-shadow:0 20px 60px rgba(41,25,80,.11);min-height:760px;background:radial-gradient(circle at 95% 0,color-mix(in srgb,var(--vf-primary) 22%,transparent),transparent 30%),radial-gradient(circle at 20% 85%,color-mix(in srgb,var(--vf-accent) 12%,transparent),transparent 30%),var(--vf-bg);color:var(--vf-text);border-radius:30px;overflow:hidden;box-shadow:var(--vf-shadow);isolation:isolate}
.vfhp-app.is-dark{--vf-bg:#080b14;--vf-card:rgba(18,24,39,.9);--vf-text:#faf9ff;--vf-muted:#aaa5b8;--vf-line:#273044;--vf-shadow:0 25px 70px rgba(0,0,0,.35)}.vfhp-app *{box-sizing:border-box}.vfhp-loading{min-height:720px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px}.vfhp-orbit{width:64px;height:64px;border:5px solid color-mix(in srgb,var(--vf-primary) 20%,transparent);border-top-color:var(--vf-primary);border-radius:50%;animation:vfsp 1s linear infinite}@keyframes vfsp{to{transform:rotate(360deg)}}
.vf-shell{display:grid;grid-template-columns:264px minmax(0,1fr);min-height:760px}.vf-side{background:linear-gradient(180deg,var(--vf-surface),color-mix(in srgb,var(--vf-surface) 76%,var(--vf-primary)));padding:24px 15px;color:#fff;position:relative}.vf-side:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 10%,rgba(255,255,255,.12),transparent 24%);pointer-events:none}.vf-brand{display:flex;align-items:center;gap:12px;font-weight:950;font-size:22px;padding:4px 10px 24px;position:relative;z-index:1}.vf-brand i{display:grid;place-items:center;width:42px;height:42px;border-radius:15px;background:linear-gradient(135deg,var(--vf-primary),var(--vf-accent));font-style:normal;box-shadow:0 12px 25px rgba(0,0,0,.24)}.vf-brand small{display:block;font-size:10px;letter-spacing:.15em;text-transform:uppercase;opacity:.65;margin-top:2px}.vf-nav{display:flex;flex-direction:column;gap:4px;position:relative;z-index:1;max-height:610px;overflow:auto;scrollbar-width:thin}.vf-nav button{border:0;background:transparent;color:#d8d3e6;padding:11px 13px;border-radius:13px;text-align:left;font-weight:780;cursor:pointer;transition:.2s}.vf-nav button:hover,.vf-nav button.active{background:linear-gradient(90deg,rgba(255,255,255,.15),rgba(255,255,255,.07));color:#fff;transform:translateX(3px);box-shadow:inset 3px 0 0 var(--vf-accent)}.vf-side-foot{margin-top:20px;padding:15px;border:1px solid rgba(255,255,255,.13);border-radius:16px;font-size:11px;color:#cbc5d8;line-height:1.55;position:relative;z-index:1}.vf-main{padding:30px;min-width:0}.vf-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.vf-top h1{font-size:clamp(26px,3vw,38px);letter-spacing:-.04em;line-height:1.08;margin:4px 0 7px}.vf-top p{margin:0;color:var(--vf-muted)}.vf-chip,.vf-badge{padding:9px 13px;border-radius:999px;background:color-mix(in srgb,var(--vf-primary) 12%,var(--vf-card));font-weight:850;color:var(--vf-primary);white-space:nowrap;border:1px solid color-mix(in srgb,var(--vf-primary) 20%,var(--vf-line))}.vf-badge{font-size:11px;padding:6px 9px}.vf-badge.ok{color:#0a8f62;background:#e8fff6}.vf-kicker{text-transform:uppercase;letter-spacing:.14em;font-size:10px;font-weight:950;color:var(--vf-primary)}
.vf-hero{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:28px;border-radius:25px;background:linear-gradient(135deg,color-mix(in srgb,var(--vf-primary) 15%,var(--vf-card)),var(--vf-card));border:1px solid color-mix(in srgb,var(--vf-primary) 18%,var(--vf-line));box-shadow:var(--vf-shadow);margin-bottom:18px;overflow:hidden;position:relative}.vf-hero:after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:-80px;top:-120px;background:color-mix(in srgb,var(--vf-accent) 15%,transparent)}.vf-hero>*{position:relative;z-index:1}.vf-hero h2{font-size:clamp(24px,3vw,38px);letter-spacing:-.04em;margin:6px 0}.vf-hero p{max-width:680px;color:var(--vf-muted)}
.vf-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}.vf-card{grid-column:span 4;background:var(--vf-card);backdrop-filter:blur(14px);border:1px solid var(--vf-line);border-radius:21px;padding:20px;box-shadow:0 10px 32px rgba(44,24,86,.06);min-width:0}.vf-card.wide{grid-column:span 8}.vf-card.full{grid-column:1/-1}.vf-card.half{grid-column:span 6}.vf-card h2,.vf-card h3{margin:0 0 10px;letter-spacing:-.02em}.vf-card p{color:var(--vf-muted)}.vf-stat{font-size:42px;font-weight:950;letter-spacing:-.05em}.vf-stat.small{font-size:28px}.vf-ring{width:142px;height:142px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--vf-primary) calc(var(--score)*1%),var(--vf-line) 0);position:relative;box-shadow:0 15px 30px color-mix(in srgb,var(--vf-primary) 18%,transparent)}.vf-ring:before{content:"";position:absolute;inset:13px;background:var(--vf-card);border-radius:50%}.vf-ring strong,.vf-ring small{z-index:1;position:absolute}.vf-ring strong{font-size:34px;top:38px}.vf-ring small{font-size:10px;bottom:37px;color:var(--vf-muted)}.vf-row{display:flex;gap:12px;align-items:center}.vf-row.space{justify-content:space-between}.vf-center{justify-content:center;text-align:center}.vf-metric{margin:15px 0}.vf-progress{height:9px;border-radius:99px;background:var(--vf-line);overflow:hidden;margin-top:7px}.vf-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--vf-primary),var(--vf-accent));box-shadow:0 0 16px color-mix(in srgb,var(--vf-accent) 45%,transparent)}
.vf-btn{border:0;background:linear-gradient(135deg,var(--vf-primary),var(--vf-secondary));color:#fff;border-radius:13px;padding:11px 15px;font-weight:850;cursor:pointer;box-shadow:0 10px 24px color-mix(in srgb,var(--vf-primary) 23%,transparent);transition:.2s}.vf-btn:hover{transform:translateY(-2px);filter:saturate(1.1)}.vf-btn.secondary{background:var(--vf-card);color:var(--vf-primary);border:1px solid var(--vf-line);box-shadow:none}.vf-input,.vf-select,.vf-textarea{width:100%;padding:11px 12px;border:1px solid var(--vf-line);border-radius:12px;background:color-mix(in srgb,var(--vf-card) 92%,transparent);color:var(--vf-text);outline:none;min-height:44px}.vf-input:focus,.vf-select:focus,.vf-textarea:focus{border-color:var(--vf-primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--vf-primary) 12%,transparent)}.vf-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.vf-form label{font-size:12px;font-weight:800;color:var(--vf-muted)}.vf-form label span{display:block;margin-bottom:6px}.vf-form .full{grid-column:1/-1}.vf-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.vf-tool{padding:16px;border-radius:16px;border:1px solid var(--vf-line);background:linear-gradient(145deg,var(--vf-card),color-mix(in srgb,var(--vf-primary) 4%,var(--vf-card)));cursor:pointer;transition:.2s}.vf-tool:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--vf-primary) 40%,var(--vf-line));box-shadow:0 12px 25px rgba(35,19,76,.09)}.vf-tool b,.vf-tool small{display:block}.vf-tool small,.vf-list-item small{color:var(--vf-muted);margin-top:4px}.vf-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:17px}.vf-tabs button{border:1px solid var(--vf-line);background:var(--vf-card);color:var(--vf-text);border-radius:999px;padding:8px 12px;font-weight:750;cursor:pointer}.vf-tabs button.active{background:var(--vf-primary);border-color:var(--vf-primary);color:#fff}.vf-list{display:grid;gap:9px;margin-top:14px}.vf-scroll{max-height:430px;overflow:auto}.vf-list-item{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px;border:1px solid var(--vf-line);border-radius:13px;background:color-mix(in srgb,var(--vf-card) 94%,transparent)}.vf-list-item>div{min-width:0}.vf-list-item span{white-space:nowrap}.vf-sub{max-width:45%;white-space:normal!important;color:var(--vf-muted);font-size:11px;text-align:right}.vf-habit.done{opacity:.62}.vf-habit.done b{text-decoration:line-through}.vf-result-card{margin-top:16px;padding:16px;border:1px solid color-mix(in srgb,var(--vf-primary) 20%,var(--vf-line));border-radius:16px;background:linear-gradient(135deg,color-mix(in srgb,var(--vf-primary) 7%,var(--vf-card)),var(--vf-card))}.vf-result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.vf-result-grid b{padding:13px;border-radius:13px;background:color-mix(in srgb,var(--vf-primary) 7%,var(--vf-card));color:var(--vf-muted)}.vf-result-grid strong{display:block;color:var(--vf-text);font-size:24px;margin-top:5px}.vf-plate{aspect-ratio:1;max-width:230px;border-radius:50%;margin:15px auto;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:8px solid var(--vf-card);box-shadow:0 15px 35px rgba(0,0,0,.12)}.vf-plate span{display:grid;place-items:center;text-align:center;padding:10px;background:color-mix(in srgb,var(--vf-primary) 18%,var(--vf-card));font-size:12px;font-weight:850}.vf-plate span:first-child{grid-row:span 2;background:color-mix(in srgb,var(--vf-accent) 22%,var(--vf-card))}.vf-breathe-orb{width:180px;height:180px;border-radius:50%;display:grid;place-items:center;margin:20px auto;background:radial-gradient(circle at 35% 30%,#fff,transparent 10%),linear-gradient(135deg,var(--vf-primary),var(--vf-accent));color:#fff;box-shadow:0 0 0 18px color-mix(in srgb,var(--vf-primary) 8%,transparent),0 22px 50px color-mix(in srgb,var(--vf-primary) 30%,transparent);animation:vfbreathe 8s ease-in-out infinite}.vf-breathe-orb strong{font-size:22px}@keyframes vfbreathe{0%,100%{transform:scale(.82)}50%{transform:scale(1)}}.vf-canvas{width:100%;height:240px;display:block}.vf-toast{position:fixed;right:24px;bottom:24px;z-index:99999;background:#111827;color:#fff;padding:13px 18px;border-radius:12px;box-shadow:0 18px 40px rgba(0,0,0,.2)}.vf-disclaimer{font-size:11px;color:var(--vf-muted);margin-top:22px;padding-top:16px;border-top:1px solid var(--vf-line)}.vf-time{font-size:76px;font-weight:950;font-variant-numeric:tabular-nums;letter-spacing:-.06em}.vfhp-login{max-width:600px;padding:30px;border-radius:20px;background:#fff;box-shadow:0 14px 40px rgba(40,20,80,.12)}
.um-account-main .vfhp-app{border-radius:20px}.um-account-main .vf-main{padding:22px}.um-account-main .vf-shell{grid-template-columns:220px minmax(0,1fr)}
@media(max-width:1050px){.vf-shell,.um-account-main .vf-shell{grid-template-columns:1fr}.vf-side{padding:14px}.vf-brand{padding-bottom:12px}.vf-nav{flex-direction:row;overflow:auto;max-height:none}.vf-nav button{white-space:nowrap}.vf-side-foot{display:none}.vf-main{padding:20px}.vf-card,.vf-card.wide,.vf-card.half{grid-column:1/-1}.vf-tools{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.vfhp-app{border-radius:18px}.vf-main,.um-account-main .vf-main{padding:13px}.vf-top{display:block}.vf-chip{display:inline-block;margin-top:12px}.vf-hero{grid-template-columns:1fr;text-align:left;padding:20px}.vf-ring{width:118px;height:118px}.vf-form,.vf-tools,.vf-result-grid{grid-template-columns:1fr}.vf-time{font-size:52px}.vf-list-item{align-items:flex-start;flex-direction:column}.vf-list-item span,.vf-sub{max-width:100%;white-space:normal!important;text-align:left}}

/* 2.1 UI/UX hardening */
.vfhp-app{container-type:inline-size;max-width:100%;width:100%}
.vf-shell,.vf-main,.vf-grid,.vf-card,.vf-card>*{min-width:0}
.vf-main{overflow:hidden}
.vf-brand{min-width:0;align-items:center}
.vf-brand-mark{display:grid!important;place-items:center;flex:0 0 46px;width:46px!important;height:46px!important;border-radius:15px;background:linear-gradient(135deg,var(--vf-primary),var(--vf-accent));font-style:normal;font-size:15px;line-height:1;font-weight:950;letter-spacing:-.04em;box-shadow:0 12px 25px rgba(0,0,0,.24);overflow:hidden}
.vf-brand-mark.has-image{background:rgba(255,255,255,.96);padding:4px}
.vf-brand-mark img{display:block;width:100%;height:100%;max-width:100%;object-fit:contain;border-radius:11px}
.vf-brand-copy{display:block;min-width:0;line-height:1.05}
.vf-brand-copy b{display:block;max-width:165px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:20px}
.vf-brand-copy small{white-space:nowrap}
.vf-top>*{min-width:0}.vf-top h1,.vf-top p,.vf-hero h2,.vf-hero p,.vf-card h2,.vf-card h3,.vf-card p,.vf-list-item b,.vf-list-item small{overflow-wrap:anywhere;word-break:normal}
.vf-chip,.vf-badge{max-width:100%;overflow:hidden;text-overflow:ellipsis}
.vf-row{min-width:0;flex-wrap:wrap}.vf-row.space>*{min-width:0}
.vf-metric .vf-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end}.vf-metric .vf-row span{text-align:right;overflow-wrap:anywhere}
.vf-list-item{min-width:0}.vf-list-item>div{flex:1 1 180px}.vf-list-item>span{flex:0 1 auto;max-width:48%;overflow-wrap:anywhere;text-align:right}
.vf-sub{min-width:100px}
.vf-result-card,.vf-results{max-width:100%;overflow:hidden}.vf-result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vf-result-grid b{min-width:0;overflow-wrap:anywhere}.vf-result-grid strong{font-size:clamp(20px,4cqi,28px);overflow-wrap:anywhere}
.vf-stat{font-size:clamp(30px,7cqi,42px);max-width:100%;overflow-wrap:anywhere;line-height:1.05}
.vf-time{font-size:clamp(46px,13cqi,76px)}
.vf-form>*,.vf-tools>*{min-width:0}.vf-input,.vf-select,.vf-textarea{max-width:100%;font-size:16px}.vf-select{padding-right:34px}
.vf-btn{max-width:100%;white-space:normal;line-height:1.25;overflow-wrap:anywhere}
.vf-canvas{max-width:100%}
.vf-plate{width:min(100%,230px)}
.vf-breathe-orb{width:min(180px,62vw);height:min(180px,62vw)}
.vf-nav button{flex:0 0 auto}
.um-account-main .vfhp-app,.um-account-main .vf-shell,.um-account-main .vf-main{max-width:100%}

@container (max-width: 980px){
 .vf-shell,.um-account-main .vf-shell{grid-template-columns:1fr}
 .vf-side{padding:13px 14px;position:relative}
 .vf-brand{padding:3px 5px 12px}
 .vf-brand-copy b{max-width:min(55vw,360px)}
 .vf-nav{display:flex;flex-direction:row;max-height:none;overflow-x:auto;overflow-y:hidden;padding:2px 2px 8px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
 .vf-nav button{white-space:nowrap;scroll-snap-align:start}
 .vf-nav button:hover,.vf-nav button.active{transform:none}
 .vf-side-foot{display:none}
 .vf-main,.um-account-main .vf-main{padding:20px}
 .vf-card,.vf-card.wide,.vf-card.half{grid-column:1/-1}
 .vf-tools{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@container (max-width: 700px){
 .vf-top{display:grid;grid-template-columns:1fr;gap:12px}
 .vf-chip{justify-self:start;white-space:normal}
 .vf-hero{grid-template-columns:1fr;padding:20px}
 .vf-form{grid-template-columns:1fr}
 .vf-form .full{grid-column:auto}
 .vf-result-grid{grid-template-columns:1fr}
 .vf-tools{grid-template-columns:1fr}
 .vf-list-item{align-items:flex-start;flex-direction:column}
 .vf-list-item>div,.vf-list-item>span,.vf-sub{flex:auto;max-width:100%;width:100%;text-align:left;white-space:normal!important}
 .vf-metric .vf-row{grid-template-columns:1fr;gap:4px}.vf-metric .vf-row span{text-align:left}
}
@container (max-width: 430px){
 .vfhp-app{border-radius:14px}
 .vf-main,.um-account-main .vf-main{padding:11px}
 .vf-side{padding:10px}
 .vf-brand-mark{flex-basis:40px;width:40px!important;height:40px!important;border-radius:12px}
 .vf-brand-copy b{font-size:17px;max-width:68vw}
 .vf-top h1{font-size:26px}
 .vf-card{padding:15px;border-radius:17px}
 .vf-hero{padding:17px;border-radius:19px}
 .vf-ring{width:108px;height:108px}
 .vf-ring strong{font-size:29px;top:31px}.vf-ring small{bottom:29px}
 .vf-toast{left:12px;right:12px;bottom:12px;text-align:center}
}

/* Accessibility, theme isolation and interaction polish */
.vfhp-app button,.vfhp-app input,.vfhp-app select,.vfhp-app textarea{font-family:inherit}
.vfhp-app button{appearance:none;-webkit-appearance:none}
.vfhp-app :is(button,a,input,select,textarea):focus-visible{outline:3px solid color-mix(in srgb,var(--vf-accent) 70%,#fff);outline-offset:3px}
.vfhp-app .vf-nav button,.vfhp-app .vf-btn,.vfhp-app .vf-tabs button{min-height:44px}
.vfhp-app img{max-width:100%;height:auto}
.vfhp-app canvas{max-width:100%}
.vfhp-app .vf-card{position:relative;z-index:0}
.vfhp-app .vf-card:hover{z-index:1}
.vfhp-app .vf-scroll{overscroll-behavior:contain;scrollbar-gutter:stable}
.vfhp-app .vf-input::placeholder,.vfhp-app .vf-textarea::placeholder{color:color-mix(in srgb,var(--vf-muted) 78%,transparent);opacity:1}
.vfhp-app .vf-input:disabled,.vfhp-app .vf-select:disabled,.vfhp-app .vf-textarea:disabled,.vfhp-app .vf-btn:disabled{opacity:.58;cursor:not-allowed;transform:none}
.vfhp-app .vf-hero,.vfhp-app .vf-card,.vfhp-app .vf-tool,.vfhp-app .vf-list-item{contain:paint}
@media(prefers-reduced-motion:reduce){.vfhp-app *,.vfhp-app *:before,.vfhp-app *:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.vf-breathe-orb{animation:none}}
@media(forced-colors:active){.vfhp-app .vf-btn,.vfhp-app .vf-tabs button.active,.vfhp-app .vf-brand-mark{border:1px solid ButtonText}.vfhp-app .vf-progress span{background:Highlight}}


/* 2.2 distinctive feature visual system */
.vf-card.vf-feature{--feature-hue:var(--vf-primary);overflow:hidden;padding:0;background:linear-gradient(150deg,color-mix(in srgb,var(--feature-hue) 5%,var(--vf-card)),var(--vf-card) 42%)}
.vf-card-head{display:grid;grid-template-columns:72px minmax(0,1fr);align-items:center;gap:14px;padding:17px 19px 14px;border-bottom:1px solid color-mix(in srgb,var(--feature-hue) 16%,var(--vf-line));background:linear-gradient(110deg,color-mix(in srgb,var(--feature-hue) 13%,transparent),transparent 72%);position:relative;isolation:isolate}
.vf-card-head:after{content:"";position:absolute;right:-20px;top:-38px;width:125px;height:125px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--feature-hue) 14%,transparent),transparent 68%);z-index:-1}
.vf-card-head h2{margin:2px 0 0!important;line-height:1.08}.vf-feature-label{display:block;text-transform:uppercase;letter-spacing:.14em;font-size:9px;font-weight:950;color:color-mix(in srgb,var(--feature-hue) 78%,var(--vf-text))}
.vf-card-body{padding:18px 20px 20px;min-width:0}.vf-card-body>:first-child{margin-top:0}.vf-card-body>:last-child{margin-bottom:0}
.vf-feature-visual{width:66px;height:66px;border-radius:20px;display:grid;place-items:center;position:relative;overflow:hidden;color:var(--feature-hue);background:linear-gradient(145deg,color-mix(in srgb,var(--feature-hue) 17%,var(--vf-card)),color-mix(in srgb,var(--feature-hue) 5%,var(--vf-card)));border:1px solid color-mix(in srgb,var(--feature-hue) 25%,var(--vf-line));box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 10px 24px color-mix(in srgb,var(--feature-hue) 12%,transparent)}
.vf-feature-visual svg{width:45px;height:45px;position:relative;z-index:2;filter:drop-shadow(0 4px 8px color-mix(in srgb,var(--feature-hue) 20%,transparent))}
.vf-visual-grid{position:absolute;inset:0;opacity:.22;background-image:linear-gradient(color-mix(in srgb,var(--feature-hue) 35%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--feature-hue) 35%,transparent) 1px,transparent 1px);background-size:11px 11px;mask-image:linear-gradient(to bottom right,#000,transparent 78%)}
.vf-visual-spark{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--feature-hue);box-shadow:0 0 12px var(--feature-hue);animation:vfSpark 3.4s ease-in-out infinite}.vf-visual-spark.a{right:9px;top:10px}.vf-visual-spark.b{left:10px;bottom:9px;animation-delay:-1.6s}@keyframes vfSpark{0%,100%{transform:scale(.65);opacity:.35}50%{transform:scale(1.25);opacity:1}}
.vf-feature-day{--feature-hue:#f59e0b}.vf-feature-streak{--feature-hue:#ef4444}.vf-feature-plans{--feature-hue:#8b5cf6}.vf-feature-pulse{--feature-hue:#ec4899}.vf-feature-compass{--feature-hue:#06b6d4}.vf-feature-profile{--feature-hue:#6366f1}.vf-feature-workout{--feature-hue:#f97316}.vf-feature-bodymap{--feature-hue:#14b8a6}.vf-feature-body{--feature-hue:#a855f7}.vf-feature-measure{--feature-hue:#0ea5e9}.vf-feature-barbell{--feature-hue:#dc2626}.vf-feature-volume{--feature-hue:#7c3aed}.vf-feature-recovery{--feature-hue:#22c55e}.vf-feature-heart{--feature-hue:#e11d48}.vf-feature-run{--feature-hue:#f59e0b}.vf-feature-mobility{--feature-hue:#10b981}.vf-feature-warm{--feature-hue:#fb7185}.vf-feature-macros{--feature-hue:#2563eb}.vf-feature-plants{--feature-hue:#16a34a}.vf-feature-caffeine{--feature-hue:#92400e}.vf-feature-plate{--feature-hue:#06b6d4}.vf-feature-mealprep{--feature-hue:#ea580c}.vf-feature-grocery{--feature-hue:#65a30d}.vf-feature-target{--feature-hue:#dc2626}.vf-feature-logger{--feature-hue:#4f46e5}.vf-feature-plateau{--feature-hue:#9333ea}.vf-feature-moon{--feature-hue:#6366f1}.vf-feature-sleepwave{--feature-hue:#0284c7}.vf-feature-jetlag{--feature-hue:#0d9488}.vf-feature-habits{--feature-hue:#7c3aed}.vf-feature-challenge{--feature-hue:#eab308}.vf-feature-breath{--feature-hue:#14b8a6}.vf-feature-mind{--feature-hue:#ec4899}.vf-feature-longevity{--feature-hue:#22c55e}.vf-feature-balance{--feature-hue:#0891b2}.vf-feature-priority{--feature-hue:#f97316}.vf-feature-timer{--feature-hue:#ef4444}.vf-feature-analytics{--feature-hue:#8b5cf6}.vf-feature-summary{--feature-hue:#0ea5e9}.vf-feature-history{--feature-hue:#64748b}.vf-feature-suite{--feature-hue:#a855f7}
.vf-feature .vf-btn{background:linear-gradient(135deg,var(--feature-hue),color-mix(in srgb,var(--feature-hue) 60%,var(--vf-secondary)));box-shadow:0 10px 24px color-mix(in srgb,var(--feature-hue) 20%,transparent)}
.vf-feature .vf-btn.secondary{background:var(--vf-card);color:var(--feature-hue);border-color:color-mix(in srgb,var(--feature-hue) 24%,var(--vf-line));box-shadow:none}
.vf-feature .vf-progress span{background:linear-gradient(90deg,var(--feature-hue),color-mix(in srgb,var(--feature-hue) 50%,var(--vf-accent)))}
.vf-feature .vf-result-card{border-color:color-mix(in srgb,var(--feature-hue) 24%,var(--vf-line));background:linear-gradient(135deg,color-mix(in srgb,var(--feature-hue) 9%,var(--vf-card)),var(--vf-card))}
.vf-feature .vf-result-grid b{background:linear-gradient(145deg,color-mix(in srgb,var(--feature-hue) 10%,var(--vf-card)),var(--vf-card));border:1px solid color-mix(in srgb,var(--feature-hue) 13%,var(--vf-line))}
.vf-feature .vf-tabs button.active{background:var(--feature-hue);border-color:var(--feature-hue)}
.vf-feature-heart .vf-feature-visual svg,.vf-feature-pulse .vf-feature-visual svg{animation:vfHeartbeat 1.8s ease-in-out infinite}@keyframes vfHeartbeat{0%,100%{transform:scale(1)}12%{transform:scale(1.08)}22%{transform:scale(.98)}34%{transform:scale(1.06)}45%{transform:scale(1)}}
.vf-feature-run .vf-feature-visual svg,.vf-feature-workout .vf-feature-visual svg{animation:vfRun 2.2s ease-in-out infinite}@keyframes vfRun{0%,100%{transform:translateX(-2px) rotate(-1deg)}50%{transform:translateX(3px) rotate(2deg)}}
.vf-feature-timer .vf-feature-visual svg{animation:vfTick 2s steps(4,end) infinite}@keyframes vfTick{to{transform:rotate(360deg)}}
.vf-feature-moon .vf-feature-visual,.vf-feature-sleepwave .vf-feature-visual{box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 10px 32px color-mix(in srgb,var(--feature-hue) 25%,transparent)}
.vf-feature-breath .vf-feature-visual svg{animation:vfMiniBreathe 6s ease-in-out infinite}@keyframes vfMiniBreathe{0%,100%{transform:scale(.74);opacity:.65}50%{transform:scale(1.08);opacity:1}}
.vf-feature-analytics .vf-card-body{background-image:linear-gradient(color-mix(in srgb,var(--feature-hue) 5%,transparent) 1px,transparent 1px);background-size:100% 42px}
.vf-feature-plants .vf-feature-visual svg{transform-origin:50% 100%;animation:vfGrow 3s ease-in-out infinite}@keyframes vfGrow{0%,100%{transform:scaleY(.92)}50%{transform:scaleY(1.05)}}
@container (max-width:430px){.vf-card-head{grid-template-columns:56px minmax(0,1fr);padding:14px 15px 12px}.vf-feature-visual{width:52px;height:52px;border-radius:16px}.vf-feature-visual svg{width:37px;height:37px}.vf-card-body{padding:15px}.vf-feature-label{font-size:8px}}

/* 2.3 typography and navigation refinement */
.vfhp-app{font-size:14px;line-height:1.48}
.vf-main{padding:26px}
.vf-top{margin-bottom:20px}
.vf-top h1{font-size:clamp(23px,2.35vw,32px);line-height:1.12;letter-spacing:-.032em}
.vf-top p{font-size:12px}
.vf-kicker{font-size:9px;letter-spacing:.12em}
.vf-chip{font-size:11px;padding:7px 11px}
.vf-hero{padding:23px;gap:20px}
.vf-hero h2{font-size:clamp(21px,2.25vw,30px);line-height:1.12;letter-spacing:-.03em}
.vf-hero p{font-size:13px;line-height:1.5}
.vf-card{padding:18px}
.vf-card h2{font-size:18px;line-height:1.18}
.vf-card h3{font-size:15px;line-height:1.22}
.vf-card p{font-size:13px;line-height:1.5}
.vf-card-head{grid-template-columns:62px minmax(0,1fr);gap:12px;padding:15px 17px 13px}
.vf-card-head h2{font-size:17px;line-height:1.16!important;letter-spacing:-.015em}
.vf-feature-visual{width:58px;height:58px;border-radius:17px}
.vf-feature-visual svg{width:39px;height:39px}
.vf-card-body{padding:16px 18px 18px}
.vf-feature-label{font-size:8px;letter-spacing:.12em}
.vf-stat{font-size:clamp(27px,6cqi,37px)}
.vf-stat.small{font-size:24px}
.vf-result-grid strong{font-size:clamp(18px,3.4cqi,24px);line-height:1.15}
.vf-result-grid b{font-size:11px;padding:11px}
.vf-form label{font-size:11px}
.vf-input,.vf-select,.vf-textarea{font-size:14px;min-height:41px;padding:9px 11px}
.vf-btn{font-size:12px;padding:9px 13px;min-height:40px!important}
.vf-tabs button{font-size:11px;padding:7px 10px;min-height:38px!important}
.vf-tool{padding:14px}.vf-tool b{font-size:13px}.vf-tool small{font-size:11px}
.vf-list-item{font-size:12px;padding:10px}
.vf-nav{max-height:none;overflow:visible;scrollbar-width:none}
.vf-nav::-webkit-scrollbar{display:none;width:0;height:0}
.vf-nav button{font-size:12px;padding:9px 11px;min-height:39px!important}
.vf-side-foot{font-size:10px}
.vf-brand-copy b{font-size:18px}

@container (max-width:980px){
 .vf-side{padding:12px 13px 13px}
 .vf-brand{padding-bottom:10px}
 .vf-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(92px,1fr));gap:5px;overflow:visible;padding:0;scroll-snap-type:none}
 .vf-nav button{width:100%;min-width:0;white-space:nowrap;text-align:center;padding:8px 7px;border-radius:11px}
 .vf-nav button:hover,.vf-nav button.active{box-shadow:inset 0 -3px 0 var(--vf-accent);background:rgba(255,255,255,.12)}
 .vf-main,.um-account-main .vf-main{padding:18px}
}
@container (max-width:700px){
 .vf-nav{grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}
 .vf-nav button{font-size:10px;padding:7px 4px;white-space:normal;line-height:1.15}
 .vf-top h1{font-size:23px}
 .vf-hero h2{font-size:21px}
 .vf-card-head{grid-template-columns:54px minmax(0,1fr);padding:13px 14px 11px}
 .vf-feature-visual{width:50px;height:50px;border-radius:15px}
 .vf-feature-visual svg{width:34px;height:34px}
 .vf-card-head h2{font-size:16px}
 .vf-card-body{padding:14px}
}
@container (max-width:430px){
 .vf-nav{grid-template-columns:repeat(3,minmax(0,1fr))}
 .vf-nav button{font-size:9.5px;min-height:36px!important}
 .vf-top h1{font-size:21px}
 .vf-chip{font-size:10px}
 .vf-card h2{font-size:16px}
 .vf-card-head h2{font-size:15px}
 .vf-main,.um-account-main .vf-main{padding:10px}
}

/* 2.4 interaction and generated-output polish */
.vf-result-fresh{animation:vfResultIn .28s ease both}
@keyframes vfResultIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.vf-btn[aria-busy="true"]{cursor:wait;opacity:.72}
.vf-grocery-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.vf-grocery-head h3{margin:0}
.vf-grocery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.vf-grocery-section{min-width:0;padding:12px;border:1px solid var(--vf-line);border-radius:14px;background:color-mix(in srgb,var(--vf-card) 90%,var(--vf-primary) 10%)}
.vf-grocery-section b{display:block;margin-bottom:6px}
.vf-grocery-section ul{margin:0;padding-left:18px}
.vf-grocery-section li{margin:3px 0;overflow-wrap:anywhere}
.vf-helper{font-size:.84rem;color:var(--vf-muted);margin:12px 0 0}
@media(max-width:560px){.vf-grocery-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.vf-result-fresh{animation:none}}

/* 2.5 unified member diary and per-feature history */
.vf-history-grid{margin-top:18px}
.vf-page-history,.vf-diary-list{display:grid;gap:12px}
.vf-diary-entry{min-width:0;padding:14px;border:1px solid var(--vf-line);border-radius:15px;background:color-mix(in srgb,var(--vf-card) 94%,var(--vf-primary) 6%)}
.vf-diary-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:10px}
.vf-diary-top h3{margin:6px 0 0;font-size:14px;overflow-wrap:anywhere}
.vf-diary-top time{flex:0 0 auto;font-size:11px;color:var(--vf-muted)}
.vf-diary-data{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin:0 0 10px}
.vf-diary-data>div{min-width:0;padding:9px 10px;border-radius:11px;background:color-mix(in srgb,var(--vf-surface) 5%,transparent)}
.vf-diary-data dt{font-size:9px;text-transform:uppercase;letter-spacing:.07em;color:var(--vf-muted);margin-bottom:3px}
.vf-diary-data dd{margin:0;font-size:12px;overflow-wrap:anywhere;white-space:pre-wrap}
.vf-diary-entry>small{display:block;color:var(--vf-muted);font-size:10px;margin-top:8px}
.vf-diary-details{margin-top:8px;border-top:1px solid var(--vf-line);padding-top:8px}
.vf-diary-details summary{cursor:pointer;font-size:11px;font-weight:700;color:var(--vf-primary)}
.vf-diary-details pre{max-width:100%;overflow:auto;white-space:pre-wrap;word-break:break-word;font:11px/1.45 ui-monospace,SFMono-Regular,Consolas,monospace;padding:10px;border-radius:10px;background:color-mix(in srgb,var(--vf-surface) 8%,transparent)}
.vf-diary-filters{display:grid;grid-template-columns:2fr repeat(4,minmax(120px,1fr));gap:10px;align-items:end;margin:16px 0}
.vf-diary-filters label{min-width:0;font-size:11px}.vf-diary-filters label span{display:block;margin-bottom:5px}
.vf-diary-count{display:flex;align-items:baseline;gap:5px;margin:8px 0 12px;color:var(--vf-muted)}
.vf-diary-count strong{font-size:22px;color:var(--vf-text)}
.vf-empty-history{text-align:center;padding:24px;border:1px dashed var(--vf-line);border-radius:14px;color:var(--vf-muted)}
.vf-empty-history b{display:block;color:var(--vf-text);margin-bottom:4px}
@container (max-width:900px){.vf-diary-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.vf-diary-filters label:first-child{grid-column:1/-1}}
@container (max-width:520px){.vf-diary-data,.vf-diary-filters{grid-template-columns:1fr}.vf-diary-filters label:first-child{grid-column:auto}.vf-diary-top{display:grid}.vf-diary-top time{order:-1}}


/* 2.6 data portability and guarded reset */
.vf-data-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.vf-data-panel{min-width:0;padding:18px;border:1px solid var(--vf-line);border-radius:17px;background:color-mix(in srgb,var(--vf-card) 95%,var(--vf-primary) 5%)}
.vf-data-panel h3{font-size:16px;margin:10px 0 7px}.vf-data-panel p{overflow-wrap:anywhere}
.vf-data-summary{display:grid;grid-template-columns:auto 1fr;gap:5px 10px;align-items:baseline;margin:15px 0}.vf-data-summary b{font-size:20px}.vf-data-summary span{font-size:11px;color:var(--vf-muted)}
.vf-danger-zone{border-color:color-mix(in srgb,#dc2626 42%,var(--vf-line));background:color-mix(in srgb,var(--vf-card) 94%,#dc2626 6%)}
.vf-badge.danger{background:color-mix(in srgb,#dc2626 14%,transparent);color:#b91c1c}.is-dark .vf-badge.danger{color:#fca5a5}
.vf-btn.danger{background:#b91c1c;color:#fff;border-color:#b91c1c}.vf-btn.danger:hover{background:#991b1b}
.vf-reset-panel{display:grid;gap:12px;margin-top:15px;padding-top:15px;border-top:1px solid var(--vf-line)}.vf-reset-panel[hidden]{display:none!important}
.vf-check-row{display:flex!important;align-items:flex-start;gap:9px}.vf-check-row input{margin-top:3px;flex:0 0 auto}.vf-check-row span{margin:0!important}
@container (max-width:760px){.vf-data-actions{grid-template-columns:1fr}}

.vf-history-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}

/* 2.6.1 verified reset feedback */
.vf-reset-status{min-height:1.4em;font-size:.9rem;line-height:1.45;font-weight:600}.vf-reset-status[data-state=working]{color:var(--vf-accent)}.vf-reset-status[data-state=success]{color:#42c98a}.vf-reset-status[data-state=error]{color:#ff7d8d}.vf-reset-status[data-state=neutral]{color:var(--vf-muted)}

/* 2.7 guest demo mode */
.vf-demo-bar{position:sticky;top:0;z-index:45;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 18px;border:1px solid color-mix(in srgb,var(--vf-accent,#22d3ee) 45%,transparent);border-radius:16px 16px 0 0;background:linear-gradient(105deg,color-mix(in srgb,var(--vf-surface,#111827) 96%,var(--vf-primary,#7c3aed) 4%),color-mix(in srgb,var(--vf-surface,#111827) 86%,var(--vf-primary,#7c3aed) 14%));color:#fff;box-shadow:0 10px 28px rgba(8,10,22,.18)}
.vf-demo-bar>div{display:grid;gap:2px;min-width:0}.vf-demo-bar strong{font-size:13px;text-transform:uppercase;letter-spacing:.09em}.vf-demo-bar span{font-size:12px;opacity:.84;overflow-wrap:anywhere}
.vf-demo-cta,.vf-demo-float{display:inline-flex;align-items:center;justify-content:center;text-decoration:none!important;background:var(--vf-accent,#22d3ee);color:#07111d!important;border-radius:12px;font-weight:800;white-space:nowrap}
.vf-demo-cta{min-height:40px;padding:9px 14px;font-size:12px}
.vf-shell.is-demo{border-top-left-radius:0;border-top-right-radius:0}
.vf-shell.is-demo .vf-side{border-color:color-mix(in srgb,var(--vf-accent) 24%,var(--vf-line))}
.vf-shell.is-demo .vf-chip{border-color:color-mix(in srgb,var(--vf-accent) 55%,var(--vf-line));background:color-mix(in srgb,var(--vf-accent) 12%,transparent)}
.vf-shell.is-demo .vf-side-foot a{display:inline-block;margin-top:6px;color:var(--vf-accent);font-weight:800;text-decoration:none}
.vf-demo-float{position:sticky;z-index:40;bottom:14px;width:max-content;max-width:calc(100% - 28px);margin:14px 14px 0 auto;padding:9px 13px;gap:10px;box-shadow:0 10px 28px rgba(8,10,22,.22)}
.vf-demo-float b{font-size:10px;text-transform:uppercase;letter-spacing:.08em}.vf-demo-float span{font-size:12px}
.vf-demo-empty{text-align:center;padding:22px;border:1px dashed color-mix(in srgb,var(--vf-accent) 52%,var(--vf-line));border-radius:15px;background:color-mix(in srgb,var(--vf-card) 94%,var(--vf-accent) 6%)}
.vf-demo-empty h3{margin:9px 0 5px}.vf-demo-empty .vf-btn{display:inline-flex;margin-top:10px;text-decoration:none}
@container (max-width:620px){.vf-demo-bar{align-items:stretch;flex-direction:column;padding:12px}.vf-demo-cta{width:100%}.vf-demo-float{width:calc(100% - 20px);margin:10px;justify-content:space-between}}