/* BUILT Fuel — components on top of app.css (official palette) */

/* page heads */
.fuel-hero{padding:1.2rem 1.1rem .4rem}
.fuel-hero h1{margin-top:.5rem}
.fuel-hero p{margin-top:.8rem;font-size:.9rem;line-height:1.6}
.subtop{display:flex;align-items:center;gap:1rem;padding:1rem 1.1rem;padding-top:calc(1rem + env(safe-area-inset-top,0px))}
.pagehead{padding:.2rem 1.1rem .4rem}
.pagehead h1{font-size:clamp(1.5rem,6.4vw,2rem)}
.pagehead p{margin-top:.6rem;font-size:.9rem;line-height:1.6}

/* dashboard tiles */
#dash{padding:.8rem 1.1rem 0;display:flex;flex-direction:column;gap:.8rem}
.tile{display:block;width:100%;text-align:left;padding:1.2rem 1.2rem 1.25rem;border-radius:16px;background:var(--panel);border:1px solid var(--line);position:relative}
.tile:active{background:var(--panel2)}
.tile.feature{background:linear-gradient(160deg,#0F1A36,#1E3063);border-color:rgba(132,194,234,.5);box-shadow:0 20px 50px -25px rgba(132,194,234,.45)}
.tile b{display:block;font-family:var(--head);font-weight:800;font-size:1.15rem;text-transform:uppercase;margin-top:.35rem;line-height:1.15}
.tile p{margin-top:.4rem;font-size:.84rem;color:rgba(255,255,255,.75);line-height:1.55}
.tile .go{display:inline-flex;margin-top:.9rem;background:var(--blue);color:#000;font-family:var(--head);font-weight:700;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;padding:.65rem 1.05rem;border-radius:999px}
.tile:not(.feature) .go{background:rgba(132,194,234,.14);color:var(--blue)}

/* welcome video card */
.welcome-card{margin:1rem 1.1rem 0;padding:1.1rem 1.2rem;border-radius:16px;background:linear-gradient(160deg,#0A1024,#1E3063);border:1px solid rgba(132,194,234,.35)}
.welcome-card h3{margin-top:.4rem;text-transform:uppercase}
.welcome-card p{margin-top:.5rem;font-size:.86rem;color:rgba(255,255,255,.85);line-height:1.6;white-space:pre-line}
.welcome-card .more{display:inline-block}

/* BUILT Standard band */
.standard{margin:1.6rem 1.1rem 0;padding:1.3rem 1.2rem 1.4rem;border-radius:16px;background:linear-gradient(160deg,#0A1024,#1E3063);border:1px solid rgba(132,194,234,.35)}
.standard h2{margin-top:.4rem}
.standard p{margin-top:.7rem;font-size:.88rem;color:rgba(255,255,255,.85);line-height:1.65;white-space:pre-line}
.standard .motto{margin-top:1rem;font-family:var(--head);font-weight:700;font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--blue)}

/* choice chips (play-again, finder, scenarios, day plan) */
.chips{display:flex;flex-wrap:wrap;gap:.55rem;padding:.6rem 1.1rem 0}
.chip{font-family:var(--head);font-weight:700;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;padding:.8rem 1.05rem;border-radius:999px;background:var(--panel);border:1px solid var(--line);color:rgba(255,255,255,.85)}
.chip.on{background:var(--blue);color:#000;border-color:var(--blue)}
.chip:active{transform:scale(.97)}

/* answer / content panels */
.panel{margin:1rem 1.1rem 0;padding:1.15rem 1.2rem 1.25rem;border-radius:16px;background:var(--panel);border:1px solid var(--line)}
.panel.hot{background:linear-gradient(160deg,#0F1A36,#1E3063);border-color:rgba(132,194,234,.5)}
.panel h3{margin-top:.35rem;font-size:1.05rem;text-transform:uppercase}
.panel .body-txt{margin-top:.5rem;font-size:.87rem;color:rgba(255,255,255,.85);line-height:1.6;white-space:pre-line}
.foods{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.8rem}
.foods span{font-size:.8rem;padding:.5rem .8rem;border-radius:999px;background:rgba(132,194,234,.1);border:1px solid rgba(132,194,234,.28);color:rgba(255,255,255,.92)}
.why{margin-top:.9rem;padding:.85rem 1rem;border-radius:12px;background:rgba(132,194,234,.08);border:1px solid rgba(132,194,234,.25);font-size:.82rem;line-height:1.6;color:rgba(255,255,255,.85)}
.why b{color:var(--blue);font-family:var(--head);font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;display:block;margin-bottom:.3rem}

/* food list groups */
.fg{margin-top:1rem}
.fg .fg-t{font-family:var(--head);font-weight:700;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--blue)}
.fg .fg-n{font-size:.78rem;color:var(--muted);margin-top:.15rem}
.fg .foot{margin-top:.6rem;font-size:.78rem;color:var(--muted);line-height:1.55}

/* checklists (packing, grocery) */
.cl{margin-top:.4rem}
.cl .cl-cat{font-family:var(--head);font-weight:700;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--blue);padding:.9rem 0 .2rem}
.ck{display:flex;align-items:center;gap:.8rem;width:100%;text-align:left;padding:.72rem 0;border-bottom:1px solid var(--line)}
.ck .box{width:1.5rem;height:1.5rem;border-radius:8px;border:2px solid rgba(132,194,234,.5);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;color:#000;transition:background .15s}
.ck.on .box{background:var(--blue);border-color:var(--blue)}
.ck .box::after{content:""}
.ck.on .box::after{content:"✓"}
.ck .lbl{font-size:.92rem}
.ck.on .lbl{color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(132,194,234,.6)}
.cl-head{display:flex;align-items:center;justify-content:space-between;margin-top:.2rem}
.cl-reset{font-family:var(--head);font-weight:700;font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);border:1px solid rgba(132,194,234,.4);padding:.5rem .85rem;border-radius:999px}
.cl-count{font-size:.78rem;color:var(--muted)}

/* meals */
.meal{margin-top:.8rem;padding:1rem 1.1rem;border-radius:14px;background:var(--panel2);border:1px solid var(--line)}
.meal b{font-family:var(--head);font-size:.95rem;text-transform:uppercase}
.meal .ing{margin-top:.4rem;font-size:.84rem;color:rgba(255,255,255,.8)}
.meal .bf{margin-top:.5rem;font-family:var(--head);font-weight:700;font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue)}

/* habits */
.hb{display:flex;align-items:center;gap:.9rem;width:100%;text-align:left;padding:.95rem 1.1rem;border-radius:14px;background:var(--panel);border:1px solid var(--line);margin-top:.6rem}
.hb .box{width:1.7rem;height:1.7rem;border-radius:50%;border:2px solid rgba(132,194,234,.5);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:800;color:#000}
.hb.on{border-color:rgba(132,194,234,.45);background:rgba(132,194,234,.07)}
.hb.on .box{background:var(--blue);border-color:var(--blue)}
.hb.on .box::after{content:"✓"}
.hb .lbl{font-size:.95rem}
#today{padding:0 1.1rem}
#weekview{padding:0 1.1rem}
.wk-nav{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.2rem 0 .3rem}
.wk-arrow{width:2rem;height:2rem;border-radius:50%;background:var(--panel);border:1px solid var(--line);color:var(--blue);font-size:1.05rem;font-family:var(--head);font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center}
.wk-arrow:disabled{opacity:.3;cursor:default}
.wk-row{display:flex;align-items:center;gap:.6rem;padding:.6rem 0;border-bottom:1px solid var(--line)}
.wk-row .nm{flex:1;font-size:.82rem;color:rgba(255,255,255,.85)}
.wk-row .n{font-family:var(--head);font-weight:800;font-size:.82rem;color:var(--blue);width:2.6rem;text-align:right}
.dots{display:flex;gap:.3rem}
.dots i{width:.72rem;height:.72rem;border-radius:50%;background:var(--panel2);border:1px solid var(--line)}
.dots i.on{background:var(--blue);border-color:var(--blue)}
.dots i.today{box-shadow:0 0 0 2px rgba(132,194,234,.35)}
.week-days{display:flex;gap:.3rem;justify-content:flex-end;padding:.4rem 0 .1rem}
.week-days small{width:.72rem;text-align:center;font-size:.5rem;color:var(--muted);font-family:var(--head);font-weight:700}


/* welcome video frame (poster + branded play) */
.wvid{position:relative;margin-top:.9rem;border-radius:12px;overflow:hidden;border:1px solid rgba(132,194,234,.35);background:#000}
.wvid video{width:100%;display:block}
.wvid .playbtn{width:3.8rem;height:3.8rem;margin:-1.9rem 0 0 -1.9rem}
.wvid .playbtn .tri{border-width:.7rem 0 .7rem 1.2rem}

/* coach video series */
.vlen{position:absolute;right:.55rem;bottom:.55rem;z-index:2;background:rgba(0,0,0,.72);color:#fff;font-family:var(--head);font-weight:700;font-size:.6rem;letter-spacing:.1em;padding:.28rem .5rem;border-radius:6px}
.vpanel .wvid{margin-top:.9rem}
.series{padding:0 1.1rem;display:flex;flex-direction:column;gap:.6rem}
.vwrap{display:flex;flex-direction:column}
.vrow{display:flex;align-items:center;gap:.9rem;width:100%;text-align:left;padding:.7rem;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.vrow:active{background:var(--panel2)}
.vrow .thumb{position:relative;width:5.6rem;height:3.3rem;border-radius:9px;overflow:hidden;flex-shrink:0;background:#000}
.vrow .thumb img{width:100%;height:100%;object-fit:cover}
.vrow .thumb .tri{position:absolute;left:50%;top:50%;width:0;height:0;transform:translate(-40%,-50%);border-style:solid;border-width:.42rem 0 .42rem .7rem;border-color:transparent transparent transparent var(--blue);filter:drop-shadow(0 1px 4px rgba(0,0,0,.9))}
.vrow .t{flex:1;min-width:0}
.vrow .t .num{font-family:var(--head);font-weight:700;font-size:.55rem;letter-spacing:.22em;text-transform:uppercase;color:var(--blue)}
.vrow .t b{display:block;font-family:var(--head);font-size:.92rem;line-height:1.25;margin-top:.1rem}
.vrow .t small{display:block;color:var(--muted);font-size:.72rem;line-height:1.4;margin-top:.15rem;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.vrow .tick{flex-shrink:0;color:var(--muted);font-size:1.05rem;width:1.2rem;text-align:center}
.vrow.seen{border-color:rgba(132,194,234,.4)}
.vrow.seen .tick{color:var(--blue);font-weight:800}
.vbody:not(:empty){margin-top:.55rem}

/* ===== Fuel Basics: topic cards + lessons ===== */
#topics{padding:0 1.1rem}
.tcard{margin-top:.7rem;border-radius:14px;background:var(--panel);border:1px solid var(--line);overflow:hidden}
.tcard.open{border-color:rgba(132,194,234,.45);background:var(--panel2)}
.topic{width:100%;text-align:left;display:flex;align-items:center;gap:1rem;padding:1.05rem 1.15rem}
.topic .tt{flex:1;min-width:0}
.topic b{display:block;font-family:var(--head);font-weight:700;font-size:.95rem;text-transform:uppercase;letter-spacing:.02em;line-height:1.25}
.topic small{display:block;margin-top:.25rem;font-size:.8rem;color:var(--muted);line-height:1.4}
.tchev{flex-shrink:0;font-family:var(--head);font-weight:700;font-size:1.15rem;color:var(--blue);width:1.4rem;text-align:center;transition:transform .2s}
.tcard.open .tchev{transform:rotate(45deg)}
.tbody:not(:empty){padding:0 1.15rem 1.2rem}
.lesson{border-top:1px solid var(--line);padding-top:1.1rem}
.lesson p{font-size:.9rem;line-height:1.7;color:rgba(255,255,255,.85);margin-top:.7rem}
.lesson p:first-child{margin-top:0}

/* lesson subheading */
.l-h{font-family:var(--head);font-weight:700;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);margin-top:1.7rem;padding-bottom:.55rem;border-bottom:1px solid rgba(132,194,234,.25)}
.l-h + p{margin-top:.8rem}
/* full-width divider heading */
.l-big{display:flex;align-items:center;gap:.9rem;margin-top:2.1rem}
.l-big span{flex:1;height:1px;background:rgba(132,194,234,.3)}
.l-big b{font-family:var(--head);font-weight:800;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;text-align:center}

/* lists */
.l-lbl{font-family:var(--head);font-weight:700;font-size:.58rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:1rem}
.l-ul{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.6rem}
.l-ul li{font-size:.82rem;padding:.45rem .75rem;border-radius:999px;background:rgba(132,194,234,.09);border:1px solid rgba(132,194,234,.24);color:rgba(255,255,255,.9)}
.l-ul.tight{margin-top:.5rem}

/* term + description blocks */
.l-defs{margin-top:.9rem;display:flex;flex-direction:column;gap:.7rem}
.l-def{padding:.9rem 1rem;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-left:2px solid rgba(132,194,234,.55)}
.l-def b{display:block;font-family:var(--head);font-weight:700;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.l-def p{margin-top:.45rem;font-size:.86rem;line-height:1.65}
.l-ex{margin-top:.6rem;font-size:.84rem;color:rgba(255,255,255,.9)}
.l-ex span{display:block;font-family:var(--head);font-weight:700;font-size:.55rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:.2rem}

/* emphasis line + arrow flow */
.l-eq{margin-top:.9rem;padding:.85rem 1rem;border-radius:12px;text-align:center;background:rgba(132,194,234,.1);border:1px solid rgba(132,194,234,.3);font-family:var(--head);font-weight:700;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
.l-flow{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.5rem;margin-top:1.1rem}
.l-flow span{font-family:var(--head);font-weight:700;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;padding:.55rem .8rem;border-radius:999px;background:rgba(132,194,234,.12);border:1px solid rgba(132,194,234,.35);color:var(--blue)}
.l-flow i{width:.9rem;height:1px;background:rgba(132,194,234,.5);position:relative}
.l-flow i::after{content:"";position:absolute;right:0;top:-2.5px;border-style:solid;border-width:3px 0 3px 5px;border-color:transparent transparent transparent rgba(132,194,234,.7)}

/* the BUILT rule callout */
.l-rule{margin-top:1.6rem;padding:1.1rem 1.15rem;border-radius:14px;background:linear-gradient(160deg,#0A1024,#1E3063);border:1px solid rgba(132,194,234,.45)}
.l-rule p{margin-top:.45rem;font-size:.92rem;line-height:1.6;color:#fff;font-weight:500}

/* photo */
.l-fig{margin-top:1.1rem}
.l-fig img{width:100%;border-radius:14px;border:1px solid var(--line)}
.l-fig figcaption{margin-top:.55rem;font-family:var(--head);font-weight:700;font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);text-align:center}

/* put it into practice + close */
.l-practice{margin-top:1.8rem;padding:1.15rem 1.15rem 1.25rem;border-radius:14px;background:rgba(132,194,234,.08);border:1px solid rgba(132,194,234,.3)}
.l-practice p{margin-top:.45rem;font-size:.87rem}
.l-practice .btn{margin-top:1rem}
.l-close{display:block;width:100%;margin-top:1rem;padding:.9rem;font-family:var(--head);font-weight:700;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px}
.l-note{margin:1.6rem .2rem .2rem;text-align:center;font-family:var(--head);font-weight:700;font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}

/* ===== Recipe Library ===== */
.chip.clear{background:transparent;border-style:dashed;color:var(--muted)}
#rec-list{padding:0 1.1rem}
.rgrid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.rcard{text-align:left;border-radius:14px;overflow:hidden;background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column}
.rcard:active{background:var(--panel2)}
.rimg{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.rph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;background:radial-gradient(150px 110px at 50% 40%,rgba(132,194,234,.2),transparent 70%),linear-gradient(160deg,#0A1024,#000)}
.rph img{height:15px;width:auto;opacity:.95;filter:drop-shadow(0 0 16px rgba(132,194,234,.5))}
.rph span{font-family:var(--head);font-weight:700;font-size:.48rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(132,194,234,.75)}
.rbody{padding:.7rem .75rem .8rem;display:flex;flex-direction:column;gap:.25rem}
.rbody b{font-family:var(--head);font-weight:700;font-size:.8rem;line-height:1.25;text-transform:uppercase;letter-spacing:.01em}
.rbody small{font-size:.66rem;color:var(--muted);line-height:1.35}
.rorig{font-family:var(--head);font-weight:700;font-size:.46rem;letter-spacing:.22em;text-transform:uppercase;color:var(--blue)}
.rorig.big{font-size:.6rem;letter-spacing:.24em}
.rtags{display:flex;flex-wrap:wrap;gap:.22rem;margin:.15rem 0}
.rtags i{font-style:normal;font-family:var(--head);font-weight:600;font-size:.5rem;letter-spacing:.1em;text-transform:uppercase;padding:.22rem .4rem;border-radius:999px;background:rgba(132,194,234,.12);color:var(--blue)}
.rtags.wide i{font-size:.56rem;padding:.3rem .55rem}

/* CTA buttons that open the library pre-filtered */
.rec-cta{display:inline-flex;margin-top:1rem;background:var(--blue);color:#000;font-family:var(--head);font-weight:700;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;padding:.7rem 1.05rem;border-radius:999px}
.rec-ctas{display:flex;flex-wrap:wrap;gap:.5rem}
.rec-ctas .rec-cta{margin-top:.6rem}
.rec-link{display:flex;align-items:center;gap:.8rem;width:100%;text-align:left;margin-top:1rem;padding:.6rem;border-radius:12px;background:rgba(132,194,234,.08);border:1px solid rgba(132,194,234,.35)}
.rl-img{width:3.4rem;height:3.4rem;border-radius:9px;object-fit:cover;flex-shrink:0}
.rec-link > span{flex:1;min-width:0}
.rec-link small{display:block;font-family:var(--head);font-weight:700;font-size:.5rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.rec-link b{display:block;font-family:var(--head);font-size:.85rem;text-transform:uppercase;margin-top:.15rem}
.rec-link i{font-style:normal;color:var(--blue);font-size:1.15rem}

/* recipe detail */
.r-hero{background:#000}
.r-himg{width:100%;max-height:44vh;object-fit:cover;display:block}
.r-hero .rph{aspect-ratio:16/10}
.r-hero .rph img{height:26px}
.r-head{padding:1.2rem 1.1rem 0}
.r-head h1{margin-top:.35rem;font-size:clamp(1.4rem,6vw,1.9rem);text-transform:uppercase;line-height:1.1}
.r-head .rtags{margin-top:.7rem}
.r-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.9rem}
.r-meta span{flex:1;min-width:5.5rem;padding:.6rem .7rem;border-radius:10px;background:var(--panel);border:1px solid var(--line);font-family:var(--head);font-weight:700;font-size:.82rem}
.r-meta small{display:block;font-size:.5rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:.2rem;font-weight:700}
.r-gt{font-family:var(--head);font-weight:700;font-size:.58rem;letter-spacing:.24em;text-transform:uppercase;color:var(--blue);margin-top:1rem}
.r-ing{list-style:none;margin-top:.5rem}
.r-ing li{position:relative;padding:.45rem 0 .45rem 1.1rem;border-bottom:1px solid var(--line);font-size:.88rem;color:rgba(255,255,255,.9)}
.r-ing li::before{content:"";position:absolute;left:0;top:1.05rem;width:5px;height:5px;border-radius:50%;background:var(--blue)}
.r-steps{list-style:none;counter-reset:s;margin-top:.6rem}
.r-steps li{counter-increment:s;position:relative;padding:.6rem 0 .6rem 2.2rem;font-size:.89rem;line-height:1.6;color:rgba(255,255,255,.88);border-bottom:1px solid var(--line)}
.r-steps li:last-child{border-bottom:none}
.r-steps li::before{content:counter(s);position:absolute;left:0;top:.55rem;width:1.6rem;height:1.6rem;border-radius:50%;background:rgba(132,194,234,.14);border:1px solid rgba(132,194,234,.4);color:var(--blue);font-family:var(--head);font-weight:800;font-size:.72rem;display:flex;align-items:center;justify-content:center}
.r-notes{padding:0 1.1rem}
.r-note{margin-top:.8rem;padding:1rem 1.1rem;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.r-note.tip{background:linear-gradient(160deg,#0A1024,#1E3063);border-color:rgba(132,194,234,.45)}
.r-note p{margin-top:.4rem;font-size:.87rem;line-height:1.6;color:rgba(255,255,255,.88)}
.r-after{padding:.6rem 1.1rem 0;font-size:.82rem;color:var(--muted)}
.r-foot{padding:1.6rem 1.1rem 0;display:flex;flex-direction:column;align-items:center;gap:.2rem}
.r-foot .rec-cta{margin-top:0}
.r-foot .btn{margin-top:.8rem}
@media(max-width:340px){.rgrid{grid-template-columns:1fr}}
.rl-img.rph span{display:none}
.rl-img.rph img{height:12px}

/* lesson photo that links to its recipe */
.l-fig.linked .l-figbtn{display:block;width:100%;text-align:left;padding:0}
.l-fig.linked img{transition:opacity .15s}
.l-fig.linked .l-figbtn:active img{opacity:.85}
.l-figcta{display:flex;align-items:center;justify-content:center;gap:.4rem;margin-top:.6rem;font-family:var(--head);font-weight:700;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:#000;background:var(--blue);padding:.7rem 1rem;border-radius:999px}
.l-fig.linked figcaption{margin-top:.55rem}

/* habits: day type, descriptions, confetti */
.daytype{padding:0 0 .3rem}
.daytype .chips{padding-left:0;padding-right:0}
.hb-count{font-size:.78rem;color:var(--muted);margin:1rem 0 .2rem}
.hb{align-items:flex-start}
.hb .box{margin-top:.1rem}
.hbt{flex:1;min-width:0}
.hbt b{display:block;font-family:var(--head);font-weight:700;font-size:.86rem;text-transform:uppercase;letter-spacing:.03em}
.hbt small{display:block;margin-top:.25rem;font-size:.78rem;line-height:1.45;color:var(--muted)}
.hb.on .hbt b{color:var(--blue)}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:80;overflow:hidden}
.confetti i{position:absolute;top:-6vh;width:.55rem;height:.85rem;border-radius:2px;opacity:.95;animation:fall 2.4s cubic-bezier(.25,.6,.4,1) forwards}
@keyframes fall{to{transform:translateY(112vh) rotate(540deg);opacity:0}}

/* ===== FINAL QA: readability, hierarchy, navigation, transitions ===== */
/* 1: larger, clearer body text everywhere */
.pagehead p,.fuel-hero p{font-size:1rem;line-height:1.65}
.panel .body-txt{font-size:.97rem;line-height:1.68}
.tile p{font-size:.94rem;color:rgba(255,255,255,.82)}
.welcome-card p{font-size:.95rem}
.standard p{font-size:.96rem;line-height:1.7}
.foods span{font-size:.9rem;padding:.55rem .85rem}
.why{font-size:.92rem;line-height:1.65}
.fg .fg-n,.fg .foot{font-size:.88rem}
.ck .lbl{font-size:1rem}
.cl-count{font-size:.86rem}
.meal .ing{font-size:.93rem}
.hbt small{font-size:.88rem;line-height:1.55;color:rgba(255,255,255,.72)}
.hb-count{font-size:.88rem}
.wk-row .nm{font-size:.9rem}
.lesson p{font-size:.98rem;line-height:1.72}
.l-def p{font-size:.94rem;line-height:1.68}
.l-ex,.l-ul li{font-size:.9rem}
.l-rule p{font-size:.98rem}
.l-practice p{font-size:.94rem}
.topic small{font-size:.88rem;color:rgba(255,255,255,.7)}
.rbody small{font-size:.74rem;color:rgba(255,255,255,.68)}
.rbody b{font-size:.84rem}
.r-ing li{font-size:.96rem}
.r-steps li{font-size:.97rem}
.r-note p{font-size:.94rem}
.vrow .t small{font-size:.8rem;color:rgba(255,255,255,.7)}
.body-txt,.lesson p,.l-def p{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
:root{--muted:rgba(255,255,255,.72)}

/* 2: section name primary, slogan supporting */
.pagehead h1{font-size:clamp(1.7rem,7.4vw,2.3rem);letter-spacing:.02em}
.slogan{margin-top:.45rem;font-family:var(--head);font-weight:700;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--blue)}

/* 3: labeled back button */
.backbtn{display:inline-flex;align-items:center;gap:.55rem;background:rgba(132,194,234,.14);border:1px solid rgba(132,194,234,.55);color:var(--blue);font-family:var(--head);font-weight:700;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;padding:.85rem 1.2rem;border-radius:999px;min-height:2.9rem}
.backbtn:active{transform:scale(.97);background:rgba(132,194,234,.24)}

/* 4: collapsed complete timing guide */
.guide-toggle{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:calc(100% - 2.2rem);margin:1.4rem 1.1rem 0;padding:1.05rem 1.2rem;border-radius:14px;background:var(--panel);border:1px solid rgba(132,194,234,.4);font-family:var(--head);font-weight:700;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);text-align:left}
.guide-toggle i{font-style:normal;font-size:1.2rem;flex-shrink:0}
.guide-toggle.open{border-color:var(--blue)}

/* 5: lesson title bar inside the opened lesson */
.l-head{padding-bottom:.9rem;border-bottom:1px solid rgba(132,194,234,.3);margin-bottom:.9rem}
.l-head b{display:block;margin-top:.3rem;font-family:var(--head);font-weight:800;font-size:1.15rem;text-transform:uppercase;line-height:1.2}

/* 11: legal footer */
.fuel-footer{margin:2rem 1.1rem 0;padding:1.4rem 0 .5rem;border-top:1px solid var(--line)}
.legal-note p{margin-top:.5rem;font-size:.85rem;line-height:1.6;color:var(--muted)}
.legal-note a{color:var(--blue);text-decoration:underline}
.legal-links{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin-top:1.1rem;padding-bottom:.4rem}
.legal-links a{font-family:var(--head);font-weight:600;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.65)}
.legal-links a:active{color:var(--blue)}
#v-learn .fuel-footer,#topics .legal-note{margin-top:2rem}
#topics .legal-links{padding:0}
#topics .legal-note{margin:2rem .2rem 0}

/* 12: snappier transitions + clear tap feedback */
.view{animation:fade .12s ease}
.tile:active{background:var(--panel2);border-color:rgba(132,194,234,.6);transform:scale(.99)}
.tile{transition:transform .1s,border-color .1s}