/* Becoming Pretty Profitable · Cohort VIII textbook
   v2.1 flat edition tokens. Solid fills only, pink-tinted shadows, Inter only. Mobile first. */
:root{
  --pink-lightest:#FEF7F7;--pink-lighter:#FDEBEB;--pink-light:#FAD2D3;--pink-soft:#F7B2B7;--pink-medium:#F48FB1;
  --pink-main:#EC407A;--pink-deep:#D81B60;--pink-darker:#AD1457;--rose-bright:#FF6B9D;--rose-dusk:#C44569;
  --cream:#FDFBF7;--white:#FFFFFF;--warm-gray:#8E8E93;--dark-gray:#48484A;--charcoal:#2C2C2E;
  --green:#2E9E6B;--green-soft:#E3F5EC;--amber:#D99000;--amber-soft:#FDF3DF;
  --shadow-soft:0 2px 8px rgba(236,64,122,.08);--shadow-medium:0 4px 16px rgba(236,64,122,.12);--shadow-large:0 8px 32px rgba(236,64,122,.16);
  --r-sm:.5rem;--r-md:1rem;--r-lg:1.5rem;--r-xl:2rem;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --hair:1px solid rgba(44,44,46,.08);
  /* Accessible text tones (WCAG AA 4.5:1 on white and pink washes) */
  --text-muted:#6C6C70;--green-text:#1E7A50;
  color-scheme:light;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{font-family:var(--sans);background:var(--white);color:var(--charcoal);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16.5px}
img,svg{max-width:100%;display:block}
a{color:var(--pink-deep)}
button{font-family:inherit;cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--pink-deep);outline-offset:2px}

.wrap{max-width:720px;margin:0 auto;padding:0 max(16px,env(safe-area-inset-left)) 0 max(16px,env(safe-area-inset-right))}

/* Top bar */
.bar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--pink-lighter);padding-top:env(safe-area-inset-top)}
.bar-in{display:flex;align-items:center;gap:8px;height:56px;max-width:1440px;margin:0 auto;padding:0 max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left))}
.bar .home{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--charcoal);font-weight:800;font-size:15px;letter-spacing:-.2px;margin-right:auto;min-width:0}
.bar .home img{width:28px;height:28px;object-fit:contain}
footer img{object-fit:contain}
.bar .home span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill{display:inline-flex;align-items:center;gap:6px;min-height:44px;cursor:pointer;font-family:inherit;background:var(--pink-lightest);color:var(--pink-deep);border:1px solid var(--pink-lighter);
  font-weight:700;font-size:13px;padding:8px 13px;border-radius:100px;text-decoration:none;white-space:nowrap}
.pill:hover{background:var(--pink-lighter)}
.readbar{height:3px;background:var(--pink-main);width:0;transition:width .15s}

/* Type */
h1,h2{font-weight:800;letter-spacing:-.8px;line-height:1.15;text-wrap:balance}
h1{font-size:30px}
h2{font-size:24px;margin:44px 0 12px}
h3{font-size:18.5px;font-weight:700;letter-spacing:-.3px;margin:28px 0 8px;line-height:1.3;text-wrap:balance}
h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--pink-deep);font-weight:800;margin-bottom:8px}
p{margin:0 0 14px;color:var(--dark-gray)}
.lesson ul,.lesson ol{margin:0 0 16px 22px;color:var(--dark-gray)}
.lesson li{margin:5px 0;padding-left:2px}
.lesson ul.ticks{list-style:none;margin-left:0}
.lesson ul.ticks li{padding-left:26px;position:relative}
.lesson ul.ticks li:before{content:"\2713";position:absolute;left:2px;color:var(--pink-main);font-weight:800}
strong,b{color:var(--charcoal);font-weight:700}
.kicker{display:inline-flex;align-items:center;gap:8px;background:var(--pink-lighter);color:var(--pink-darker);font-size:11.5px;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;padding:6px 13px;border-radius:100px;margin-bottom:14px}
.label{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);font-weight:700}
.muted{color:var(--text-muted);font-size:14px}
blockquote{font-size:21px;font-weight:700;letter-spacing:-.5px;line-height:1.4;color:var(--charcoal);border-left:4px solid var(--pink-main);padding:2px 0 2px 18px;margin:26px 0}
blockquote em{font-style:normal;color:var(--pink-deep)}
code{font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:13.5px;background:var(--pink-lightest);border:1px solid var(--pink-lighter);color:var(--pink-darker);padding:1px 6px;border-radius:6px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--pink-deep);color:#fff;padding:14px 26px;border-radius:var(--r-sm);
  font-weight:700;font-size:15.5px;box-shadow:var(--shadow-medium);text-decoration:none;border:none}
.btn:hover{background:var(--pink-darker)}
.btn.ghost{background:var(--white);color:var(--pink-deep);border:2px solid var(--pink-light);box-shadow:none}
.btn.sm{padding:9px 16px;font-size:14px}
.btn.block{width:100%}

/* Cards */
.card{background:var(--white);border:var(--hair);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-soft);margin:18px 0}
.card.tint{background:var(--pink-lightest);border-color:var(--pink-lighter);box-shadow:none}

/* Login + cover */
.cover{background:var(--pink-lightest);text-align:center;padding:40px 0 34px;border-bottom:1px solid var(--pink-lighter)}
.cover .lockup{width:300px;max-width:82%;height:auto;margin:0 auto 22px}
.cover h1{font-size:30px;margin:14px 0 10px}
.cover .sub{max-width:520px;margin:0 auto;color:var(--dark-gray)}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--pink-light);color:var(--pink-deep);font-size:12.5px;font-weight:700;
  padding:8px 16px;border-radius:100px;box-shadow:var(--shadow-soft)}
.field{margin:14px 0}
.field label{display:block;font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--text-muted);font-weight:700;margin-bottom:7px}
input[type=text],input[type=number],input[type=password],select{width:100%;font-family:var(--sans);font-size:16px;color:var(--charcoal);background:var(--white);
  border:1px solid var(--pink-light);border-radius:var(--r-sm);padding:13px 14px;line-height:1.4;-webkit-appearance:none;appearance:none}
select{background:var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23D81B60' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 14px center;padding-right:36px}
input:focus,select:focus{outline:none;border-color:var(--pink-main);box-shadow:var(--shadow-soft)}
.error{color:var(--pink-deep);font-weight:600;font-size:14px;margin-top:10px}

/* Home: progress + chapter list */
.progress-top{display:flex;align-items:center;gap:16px}
.ring{flex:none;width:68px;height:68px}
.ring text{font-weight:800;font-size:15px;fill:var(--pink-deep)}
.bar-track{height:8px;background:var(--pink-lighter);border-radius:100px;overflow:hidden;margin-top:8px}
.bar-fill{height:100%;background:var(--pink-main);border-radius:100px}
.week{margin:30px 0 4px;font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--pink-deep)}
.ch{display:flex;gap:14px;align-items:center;background:var(--white);border:var(--hair);border-radius:var(--r-md);padding:14px 16px;margin:10px 0;
  text-decoration:none;color:inherit;box-shadow:var(--shadow-soft)}
.ch .num{flex:none;width:42px;height:42px;border-radius:100px;background:var(--pink-deep);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.ch .t,.ch .d{display:block}
.ch .t{font-weight:700;font-size:15.5px;line-height:1.3;color:var(--charcoal)}
.ch .d{font-size:12.5px;color:var(--text-muted);font-weight:600;margin-top:2px}
.ch .mini{flex:none;margin-left:auto;font-size:12px;font-weight:800;color:var(--pink-deep)}
.ch.locked{background:var(--pink-lightest);box-shadow:none;border-color:var(--pink-lighter)}
.ch.locked .num{background:var(--white);color:var(--text-muted);border:2px solid var(--pink-light)}
.ch.locked .t{color:var(--dark-gray)}
.ch.done .num{background:var(--green-text)}
.newtag{display:inline-block;background:var(--pink-deep);color:#fff;font-size:10.5px;font-weight:800;letter-spacing:.06em;padding:2px 8px;border-radius:100px;margin-left:6px;vertical-align:2px}

/* Chapter header */
.chead{padding:30px 0 6px}
.chead h1{margin-bottom:8px}
.chead .meta{font-size:14px;color:var(--text-muted);font-weight:600}
.checklist{list-style:none;margin:6px 0 0}
.checklist label{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--dark-gray);padding:7px 0;cursor:pointer;line-height:1.45}
.checklist input{margin-top:2px;width:20px;height:20px;accent-color:var(--pink-main);flex:none}
.checklist input:checked+span{text-decoration:line-through;color:var(--text-muted)}

/* Watch first */
.watch{background:var(--charcoal);color:#fff;border-radius:var(--r-lg);padding:20px;margin:18px 0;box-shadow:var(--shadow-medium)}
.watch h4{color:var(--pink-soft)}
.watch p{color:#E5E5EA;margin:0}
.watch .frame{position:relative;padding-top:56.25%;border-radius:var(--r-md);overflow:hidden;margin-top:12px;background:#000}
.watch iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.watch .soon{display:flex;gap:14px;align-items:center}
.watch .play{flex:none;width:48px;height:48px;border-radius:100px;background:var(--pink-main);display:flex;align-items:center;justify-content:center}
.watch .btn{margin-top:14px}

/* Lesson building blocks (used inside chapter content) */
.lesson{padding-bottom:10px}
.lesson > h2:first-child{margin-top:28px}
.task{border-radius:var(--r-lg);padding:20px;margin:22px 0;border:2px solid var(--pink-light);background:var(--white);box-shadow:var(--shadow-soft)}
.task.mission{background:var(--pink-lightest);border-color:var(--pink-main)}
.task h3{margin-top:0}
.task .due{display:inline-block;font-size:12.5px;font-weight:700;color:var(--pink-darker);background:var(--pink-lighter);padding:5px 12px;border-radius:100px;margin:2px 0 12px}
.task ol,.task ul{margin-left:20px}
.task:before{display:block;font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--pink-deep);margin-bottom:6px}
.task.pre:before{content:"Before class"}
.task.mission:before{content:"After class · your mission"}
.rule{border-radius:var(--r-md);padding:16px 18px;background:var(--pink-lightest);border-left:4px solid var(--pink-main);margin:22px 0}
.rule:before{content:"La'Kera's rule";display:block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--pink-deep);margin-bottom:5px}
.rule p:last-child,.tip p:last-child,.warn p:last-child,.example p:last-child{margin-bottom:0}
.rule p{color:var(--charcoal);font-weight:600}
.tip{border-radius:var(--r-md);padding:16px 18px;background:var(--white);border:1px dashed var(--pink-soft);margin:22px 0}
.tip:before{content:"My little nugget";display:block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--rose-dusk);margin-bottom:5px}
.warn{border-radius:var(--r-md);padding:16px 18px;background:var(--charcoal);margin:22px 0}
.warn:before{content:"Careful";display:block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--rose-bright);margin-bottom:5px}
.warn p,.warn li{color:#F2F2F7}.warn b,.warn strong{color:#fff}
.example{border-radius:var(--r-lg);padding:18px;background:var(--white);border:var(--hair);box-shadow:var(--shadow-soft);margin:22px 0}
.example:before{content:"Worked example";display:block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--pink-deep);margin-bottom:6px}
.example ol.steps{list-style:none;margin:10px 0 0;counter-reset:s}
.example ol.steps li{counter-increment:s;position:relative;padding:8px 0 8px 38px;border-top:var(--hair);margin:0}
.example ol.steps li:first-child{border-top:none}
.example ol.steps li:before{content:counter(s);position:absolute;left:0;top:8px;width:26px;height:26px;border-radius:100px;background:var(--pink-lighter);color:var(--pink-deep);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.answer{margin-top:10px;background:var(--green-soft);color:var(--green-text);font-weight:700;border-radius:var(--r-sm);padding:10px 14px}
details.try{border:1px solid var(--pink-light);border-radius:var(--r-md);margin:18px 0;background:var(--white)}
details.try summary{list-style:none;cursor:pointer;padding:14px 16px;font-weight:700;color:var(--charcoal);display:flex;gap:10px}
details.try summary::-webkit-details-marker{display:none}
details.try summary:before{content:"Try it";flex:none;font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--pink-deep);color:#fff;padding:3px 9px;border-radius:100px;height:fit-content;margin-top:2px}
details.try > div{padding:0 16px 14px;border-top:var(--hair);padding-top:12px}
details.try > div:before{content:"Answer";display:block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--green-text);margin-bottom:4px}
details.try:not([open]) summary:after{content:"Tap to check";margin-left:auto;flex:none;font-size:12px;color:var(--text-muted);font-weight:600;align-self:center}

/* Tables */
.tw{overflow-x:auto;margin:18px 0;border-radius:var(--r-md);box-shadow:var(--shadow-soft);border:var(--hair)}
table{width:100%;border-collapse:collapse;background:var(--white);font-size:14.5px}
th{background:var(--pink-lighter);color:var(--pink-darker);font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:800;text-align:left;padding:11px 12px;white-space:nowrap}
td{padding:11px 12px;color:var(--dark-gray);border-top:var(--hair);vertical-align:top}
td b{color:var(--pink-deep)}

/* Diagrams */
figure.chart{margin:22px 0;background:var(--white);border:var(--hair);border-radius:var(--r-lg);padding:12px 8px 10px;box-shadow:var(--shadow-soft)}
figure.chart svg{width:100%;height:auto}
.chart-title{font-size:13px;font-weight:800;color:var(--charcoal);padding:2px 8px 4px}
figure.chart figcaption{font-size:13.5px;color:var(--text-muted);padding:6px 8px 0;line-height:1.5}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text-muted);font-weight:600;padding:2px 8px}

/* Flashcards */
.flashcards{margin:18px 0}
.fc-deck{position:relative}
.fc-card{perspective:1200px;height:230px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.fc-inner{position:relative;width:100%;height:100%;transition:transform .5s cubic-bezier(.2,.8,.2,1);transform-style:preserve-3d}
.fc-card.flip .fc-inner{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;box-shadow:var(--shadow-medium)}
.fc-face p{margin:0;font-size:18px;font-weight:700;color:var(--charcoal);line-height:1.4}
.fc-front{background:var(--white);border:2px solid var(--pink-light)}
.fc-back{background:var(--pink-deep);transform:rotateY(180deg)}
.fc-back p{color:#fff;font-weight:600;font-size:16.5px}
.fc-face .hint{position:absolute;bottom:12px;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted)}
.fc-back .hint{color:var(--pink-lighter)}
.fc-controls{display:flex;align-items:center;justify-content:space-between;margin-top:12px;gap:10px}
.fc-count{font-size:13px;font-weight:700;color:var(--text-muted)}
.iconbtn{width:44px;height:44px;border-radius:100px;border:2px solid var(--pink-light);background:var(--white);color:var(--pink-deep);font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center}
.iconbtn:disabled{opacity:.35}

/* Quiz */
.quiz{margin:18px 0}
.quiz .q{background:var(--white);border:var(--hair);border-radius:var(--r-lg);padding:18px;margin:14px 0;box-shadow:var(--shadow-soft)}
.quiz .q > p:first-child{font-weight:700;color:var(--charcoal);margin-bottom:12px}
.quiz .q > p:first-child:before{content:attr(data-n);display:inline-block;margin-right:8px;color:var(--pink-deep);font-weight:800}
.quiz ul{list-style:none;margin:0}
.quiz li{margin:8px 0}
.quiz .opt{width:100%;text-align:left;background:var(--pink-lightest);border:2px solid var(--pink-lighter);border-radius:var(--r-sm);padding:12px 14px;font-size:15px;font-weight:600;color:var(--charcoal);line-height:1.4}
.quiz .opt:hover:not(:disabled){border-color:var(--pink-soft)}
.quiz .opt.right{background:var(--green-soft);border-color:var(--green-text);color:var(--green-text)}
.quiz .opt.wrong{background:var(--pink-lighter);border-color:var(--pink-deep);color:var(--pink-deep)}
.quiz .opt:disabled{cursor:default}
.quiz .why{display:none;margin:12px 0 0;font-size:14.5px;background:var(--pink-lightest);border-radius:var(--r-sm);padding:12px 14px}
.quiz .q.answered .why{display:block}
.quiz .why:before{font-weight:800;margin-right:6px}
.quiz .q.got .why:before{content:"Yes! That's it.";color:var(--green-text)}
.quiz .q.missed .why:before{content:"Not quite.";color:var(--pink-deep)}
.score{text-align:center;background:var(--charcoal);color:#fff;border-radius:var(--r-lg);padding:18px;margin:14px 0}
.score b{color:var(--rose-bright);font-size:26px;display:block}
.score p{color:#E5E5EA;margin:4px 0 10px}

/* Terms */
dl.terms{margin:14px 0}
dl.terms dt{font-weight:800;color:var(--charcoal);margin-top:12px}
dl.terms dd{color:var(--dark-gray);font-size:15px;padding-left:0;border-left:3px solid var(--pink-light);padding-left:12px;margin-top:2px}
.gl-item{padding:14px 0;border-top:var(--hair)}
.gl-item b{font-size:16px}
.gl-item p{margin:4px 0 0;font-size:15px}
.gl-item .from{font-size:12px;color:var(--text-muted);font-weight:700;margin-top:4px}

/* Section dividers in chapter */
.part{margin-top:40px;padding-top:6px}
.part > .label{display:block;margin-bottom:2px}
.part h2{margin-top:4px}

/* Calculator */
.calc{background:var(--pink-lightest);border:2px solid var(--pink-light);border-radius:var(--r-lg);padding:18px;margin:22px 0}
.calc h3{margin-top:0}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.calc .seg{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:2px}
.calc .seg button{border:2px solid var(--pink-light);background:var(--white);color:var(--pink-deep);font-weight:800;font-size:14px;padding:11px 0;border-radius:var(--r-sm)}
.calc .seg button.on{background:var(--pink-deep);border-color:var(--pink-deep);color:#fff}
.calc .seg.two{grid-template-columns:repeat(2,1fr)}
.calc .out{background:var(--white);border-radius:var(--r-md);padding:16px;margin-top:14px;box-shadow:var(--shadow-soft)}
.calc .big{font-size:40px;font-weight:800;letter-spacing:-1.5px;color:var(--pink-deep);line-height:1}
.calc .big small{font-size:16px;letter-spacing:0;color:var(--charcoal);font-weight:700;margin-left:6px}
.calc .lines{margin-top:12px;font-size:14.5px;color:var(--dark-gray)}
.calc .lines div{display:flex;justify-content:space-between;padding:6px 0;border-top:var(--hair);gap:12px}
.calc .lines div span:last-child{font-weight:700;color:var(--charcoal);text-align:right}
.calc .flag{margin-top:12px;border-radius:var(--r-sm);padding:10px 12px;font-size:14px;font-weight:600}
.calc .flag.zero{background:var(--charcoal);color:#fff}
.calc .flag.ok{background:var(--green-soft);color:var(--green-text)}

/* Locked */
.locked-card{text-align:center;background:var(--pink-lightest);border:2px dashed var(--pink-light);border-radius:var(--r-xl);padding:36px 22px;margin:28px 0}
.lock{width:64px;height:64px;margin:0 auto 14px;border-radius:100px;background:var(--white);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-medium)}
.locked-card h2{margin:10px 0 8px;font-size:23px}
.locked-card .when{font-size:17px;font-weight:800;color:var(--pink-deep);margin:12px 0 4px}
.countdown{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:100%;max-width:320px;margin:16px auto 4px}
.card .countdown{margin-left:0}
.countdown div{background:var(--white);border:1px solid var(--pink-lighter);border-radius:var(--r-md);padding:10px 2px 9px;text-align:center}
.countdown b{display:block;font-size:24px;font-weight:800;color:var(--charcoal);letter-spacing:-.5px;line-height:1.1;font-variant-numeric:tabular-nums}
.countdown span{display:block;margin-top:3px;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}

/* Chapter nav + footer */
.cnav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:36px 0 10px}
.cnav a{display:block;text-decoration:none;border:var(--hair);border-radius:var(--r-md);padding:12px 14px;background:var(--white);box-shadow:var(--shadow-soft)}
.cnav a.next{text-align:right;grid-column:2}
.cnav .label{display:block;font-size:10.5px}
.cnav b{font-size:14px;color:var(--charcoal);line-height:1.3;display:block}
footer{text-align:center;padding:34px 0 calc(34px + env(safe-area-inset-bottom));color:var(--text-muted);font-size:12.5px;background:var(--pink-lightest);margin-top:40px;line-height:1.6}
footer b{color:var(--charcoal)}
footer p{color:var(--text-muted);font-size:12.5px;margin:6px auto;max-width:560px}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--charcoal);color:#fff;font-weight:700;font-size:14px;padding:11px 18px;border-radius:100px;box-shadow:var(--shadow-large);z-index:50;opacity:0;transition:opacity .25s;pointer-events:none}
.toast.show{opacity:1}
.preview-banner{background:var(--charcoal);color:#fff;text-align:center;font-size:13px;font-weight:700;padding:8px 12px}

/* ───────── App shell: sidebar (laptop), drawer (phone + iPad), on-this-page rail (big laptop) ───────── */
.shell{max-width:1440px;margin:0 auto}
.side,.rail{display:none}
.nav-top{display:block;font-weight:700;font-size:14px;color:var(--charcoal);text-decoration:none;padding:9px 12px;border-radius:var(--r-sm)}
.nav-week{font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--pink-deep);margin:18px 12px 6px}
.nav-ch{display:flex;align-items:center;gap:10px;min-height:44px;padding:7px 10px;border-radius:var(--r-sm);text-decoration:none;color:var(--charcoal)}
.nav-ch .nn{flex:none;width:28px;height:28px;border-radius:100px;background:var(--pink-lighter);color:var(--pink-deep);font-weight:800;font-size:11.5px;display:flex;align-items:center;justify-content:center}
.nav-ch .nt{flex:1;font-size:13.5px;font-weight:600;line-height:1.3}
.nav-ch .ns{flex:none;font-size:11.5px;font-weight:800;color:var(--pink-deep)}
.nav-ch.locked .nt{color:var(--text-muted)}
.nav-ch.locked .nn{background:var(--white);border:1.5px solid var(--pink-light);color:var(--text-muted)}
.nav-ch.is-current,.nav-top.is-current{background:var(--pink-lighter)}
.nav-ch.is-current .nn{background:var(--pink-deep);color:#fff;border-color:var(--pink-deep)}
.drawer{position:fixed;inset:0;z-index:40}
.drawer-bg{position:absolute;inset:0;background:rgba(44,44,46,.38)}
.drawer-panel{position:absolute;top:0;bottom:0;left:0;width:min(340px,88vw);background:var(--white);overflow:auto;padding:max(14px,env(safe-area-inset-top)) 12px calc(24px + env(safe-area-inset-bottom));box-shadow:var(--shadow-large);animation:slidein .22s ease-out}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 10px 12px;border-bottom:1px solid var(--pink-lighter);margin-bottom:6px}
@keyframes slidein{from{transform:translateX(-100%)}to{transform:none}}
@media(prefers-reduced-motion:reduce){.drawer-panel{animation:none}.fc-inner{transition:none}}
.otp{list-style:none;margin:8px 0 0;border-left:2px solid var(--pink-lighter)}
.otp button{display:block;width:100%;text-align:left;background:none;border:none;font-size:13px;font-weight:600;color:var(--dark-gray);padding:6px 10px;margin-left:-2px;border-left:2px solid transparent;line-height:1.35}
.otp button.on{color:var(--pink-deep);border-left-color:var(--pink-main);font-weight:800}
.rail-prog{margin-top:22px;padding-top:16px;border-top:1px solid var(--pink-lighter)}
.lesson h2,.lesson h3{scroll-margin-top:76px}

/* Home */
.home-cover{padding:28px 0 26px}
.home-cover .lockup{width:230px;margin:0 auto 16px}
.home-cover h1{font-size:28px}
.hero-side{text-align:left;margin-top:20px}
.hero-side .card{margin:12px 0}
.weekgrp{margin-top:8px}
.chgrid{display:grid;gap:10px}
.chgrid .ch{margin:0}
.ch .txt{min-width:0}
.gl-card{display:block;text-decoration:none;margin-top:28px}
.calc-grid{display:grid;gap:4px}

@media(hover:hover){
  .ch,.cnav a,.nav-ch{transition:transform .15s,box-shadow .15s,background .15s}
  .ch:hover,.cnav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-medium)}
  .nav-ch:hover:not(.is-current),.nav-top:hover:not(.is-current){background:var(--pink-lightest)}
  .otp button:hover{color:var(--pink-deep)}
}

/* iPad and up */
@media(min-width:700px){
  body{font-size:17px}
  h1{font-size:38px}.cover h1{font-size:40px}
  h2{font-size:28px}
  .card,.task,.example{padding:24px}
  .wrap{padding-left:max(28px,env(safe-area-inset-left));padding-right:max(28px,env(safe-area-inset-right))}
  .wrap.wide{max-width:1120px}
  .chgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .chgrid .ch{flex-direction:column;align-items:flex-start;gap:10px;padding:18px;height:100%}
  .chgrid .ch .mini{margin:auto 0 0}
  .home-cover h1{font-size:34px}
  .hero-side{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
  .hero-side .card{margin:0;height:100%}
  .hero-side .card:only-child{grid-column:1/-1}
  .fc-card{height:270px}
  .fc-face p{font-size:21px}.fc-back p{font-size:18.5px}
  .calc-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
  .calc .out{margin-top:0;position:sticky;top:72px}
  #gl{columns:2;column-gap:36px}
  .gl-item{break-inside:avoid}
  .cnav{gap:14px}
}

/* Laptop: chapter sidebar on the left */
@media(min-width:1024px){
  .menu.has-side{display:none}
  .shell.with-side{display:grid;grid-template-columns:280px minmax(0,1fr)}
  .side{display:block;position:sticky;top:57px;align-self:start;height:calc(100vh - 57px);overflow-y:auto;border-right:1px solid var(--pink-lighter);padding:18px 12px 40px;background:var(--white)}
  .with-side .center .wrap{max-width:720px}
  .home-top{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px;align-items:center;text-align:left}
  .home-top .hero .lockup{margin:0 0 18px}
  .home-top .sub{margin:0}
  .home-top .hero-side{grid-template-columns:1fr;margin-top:0}
  .home-cover{padding:44px 0 40px}
  .home-cover h1{font-size:42px}
}

/* Big laptop and desktop: add "On this page" on the right */
@media(min-width:1320px){
  .shell.with-side.with-rail{grid-template-columns:280px minmax(0,1fr) 250px}
  .rail{display:block;position:sticky;top:57px;align-self:start;max-height:calc(100vh - 57px);overflow-y:auto;padding:34px 18px 40px 6px}
}

/* Phones turned sideways: keep the sticky bar small */
@media(max-height:500px) and (orientation:landscape){
  .bar-in{height:48px}
  .fc-card{height:200px}
}
@media print{.bar,.cnav,footer .no-print,.watch,.fc-controls{display:none}}

/* Accessibility extras */
.skip{position:absolute;left:12px;top:-60px;z-index:60;background:var(--charcoal);color:#fff;font-weight:700;padding:10px 16px;border-radius:var(--r-sm);text-decoration:none}
.skip:focus{top:12px}
.ico{display:inline-block;vertical-align:-2px;flex:none}
.loading{position:fixed;left:0;right:0;top:0;height:3px;z-index:70;background:var(--pink-lighter);overflow:hidden}
.loading:after{content:"";position:absolute;top:0;bottom:0;width:35%;background:var(--pink-deep);animation:load 1s ease-in-out infinite}
@keyframes load{from{left:-35%}to{left:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.loading:after{animation:none;width:100%;opacity:.5}*{transition-duration:.01ms!important}}
@media(max-width:480px){figure.chart{padding:10px 2px 8px;margin-left:-4px;margin-right:-4px}}

/* ───────── Trade plan builder ───────── */
.tools{display:grid;gap:12px;margin-top:28px}
.tools .gl-card{margin:0}
@media(min-width:700px){.tools{grid-template-columns:1fr 1fr}}
.pb{margin:10px 0 20px}
.pb-progress{margin-bottom:14px}
.pb-dots{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0}
.pb-dots button{width:34px;height:34px;border-radius:100px;border:2px solid var(--pink-light);background:var(--white);color:var(--text-muted);font-weight:800;font-size:13px}
.pb-dots button.done{background:var(--pink-lighter);color:var(--pink-darker);border-color:var(--pink-lighter)}
.pb-dots button.on{background:var(--pink-deep);border-color:var(--pink-deep);color:#fff}
.pb-step{background:var(--white);border:var(--hair);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-soft)}
.pb-step h2{margin:0 0 8px;font-size:23px}
.pb-step textarea,.pb-step input[type=date],.pb-step input[type=time]{width:100%;font-family:var(--sans);font-size:16px;color:var(--charcoal);background:var(--white);border:1px solid var(--pink-light);border-radius:var(--r-sm);padding:12px 14px;line-height:1.5;-webkit-appearance:none;appearance:none;min-height:48px}
.pb-step textarea{resize:vertical}
.pb-step textarea:focus,.pb-step input:focus{outline:none;border-color:var(--pink-main);box-shadow:var(--shadow-soft)}
.pb-two{display:grid;gap:0 14px}
@media(min-width:560px){.pb-two{grid-template-columns:1fr 1fr}}
.pb-hint{font-size:13.5px;color:var(--text-muted);margin:6px 0 0}
.pb-calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:16px 0 10px}
.pb-calc div{background:var(--pink-lightest);border-radius:var(--r-md);padding:12px 14px}
.pb-calc b{display:block;font-size:22px;font-weight:800;color:var(--pink-darker);letter-spacing:-.4px}
.pb-calc span{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}
.pb-flag{border-radius:var(--r-sm);padding:12px 14px;font-size:15px;margin:10px 0;line-height:1.5}
.pb-flag.ok{background:var(--green-soft);color:var(--green-text)}
.pb-flag.bad{background:var(--charcoal);color:#fff}.pb-flag.bad b{color:#fff}
.pb-flag.warn{background:var(--amber-soft);color:#7A5200}
.pb-days{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.pb-day{display:flex!important;align-items:center;justify-content:center;gap:6px;border:2px solid var(--pink-light);border-radius:var(--r-sm);min-height:48px;cursor:pointer;margin:0!important;font-size:14px!important;letter-spacing:0!important;text-transform:none!important;color:var(--charcoal)!important}
.pb-day input{accent-color:var(--pink-deep);width:18px;height:18px}
.pb-check{display:flex!important;gap:12px;align-items:flex-start;text-transform:none!important;letter-spacing:0!important;font-size:15px!important;font-weight:500!important;color:var(--dark-gray)!important;margin-top:16px!important;cursor:pointer}
.pb-check input{width:20px;height:20px;accent-color:var(--pink-deep);flex:none;margin-top:2px}
.pb-nav{display:flex;justify-content:space-between;gap:12px;margin-top:16px}
.pb-nav .btn{min-width:120px}
.pb-saved{text-align:center;margin-top:12px}
.pb-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:var(--pink-lightest);padding:5px;border-radius:100px;margin-bottom:16px}
.pb-tabs button{border:none;background:none;border-radius:100px;min-height:44px;font-weight:800;font-size:14.5px;color:var(--pink-darker)}
.pb-tabs button.on{background:var(--white);box-shadow:var(--shadow-soft);color:var(--charcoal)}
.pb-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.pb-actions .btn{flex:1 1 200px}
.pb-note{margin-top:10px}
.pb-reset{margin-top:24px}.pb-reset summary{cursor:pointer;font-weight:700;color:var(--text-muted);font-size:14px}
.pb-plan,.pb-card{background:var(--white);border:var(--hair);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-soft)}
.pb-plan-head img{width:180px;height:auto;margin-bottom:12px}
.pb-plan-head h2{margin:2px 0 12px;font-size:26px}
.pb-table{width:100%;border-collapse:collapse;font-size:15px;box-shadow:none}
.pb-table th{background:none;color:var(--pink-darker);text-transform:uppercase;letter-spacing:.07em;font-size:11.5px;width:30%;padding:12px 10px 12px 0;vertical-align:top;white-space:normal;border-top:var(--hair)}
.pb-table td{padding:12px 0;border-top:var(--hair);color:var(--charcoal)}
.pb-sub{color:var(--dark-gray);font-size:14px}
.pb-blank{background:var(--pink-lighter);color:var(--pink-darker);font-weight:700;border-radius:6px;padding:1px 7px;font-size:13px}
.pb-ifs{list-style:none;margin:6px 0 0}
.pb-ifs li{background:var(--pink-lightest);border-left:4px solid var(--pink-main);border-radius:var(--r-sm);padding:10px 14px;margin:8px 0;color:var(--charcoal);font-size:15px}
.pb-signed{margin-top:18px;color:var(--charcoal)}
.pb-fine{font-size:12px;color:var(--text-muted);margin:14px 0 0}
.pb-card{max-width:560px;margin:0 auto;border:2px solid var(--pink-light)}
.pb-card-head{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.pb-card-head b{font-size:20px;color:var(--charcoal)}
.pb-card dl{margin:0}
.pb-card dl div{display:grid;grid-template-columns:110px 1fr;gap:10px;padding:9px 0;border-top:1px solid var(--pink-lighter)}
.pb-card dt{font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--pink-darker);padding-top:2px}
.pb-card dd{margin:0;font-weight:600;color:var(--charcoal);font-size:15px}
.pb-card-ifs{display:grid;gap:8px;margin-top:12px}
.pb-card-ifs div{background:var(--pink-lightest);border-left:4px solid var(--pink-main);border-radius:var(--r-sm);padding:9px 12px}
.pb-card-ifs b{display:block;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--pink-darker)}
.pb-card-ifs span{font-size:14.5px;color:var(--charcoal)}
.pb-card-check{background:var(--charcoal);color:#fff;border-radius:var(--r-sm);padding:12px 14px;font-weight:700;margin:12px 0 0;font-size:14.5px}

/* Print: only the plan or only the desk card, on clean pages */
@media print{
  @page{margin:12mm}
  body{background:#fff}
  .bar,.side,.rail,footer,.drawer,.skip,.preview-banner,.chead,.pb-tabs,.pb-actions,.pb-note,.pb-reset,.readbar,.loading,.toast{display:none!important}
  .shell,.shell.with-side{display:block!important}
  .center .wrap{max-width:none!important;padding:0!important}
  .pb-plan,.pb-card{box-shadow:none!important;border-color:#ddd!important}
  .pb-card{max-width:175mm;margin:0 auto;break-inside:avoid;page-break-inside:avoid}
  body[data-print=card] .pb-card{font-size:118%}
  .pb-ifs li,.pb-card-ifs div,.pb-card-check,.pb-blank{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}
/* Watch first with one or more videos, and the Start here card */
.watch .soon,.watch .vid{margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12)}
.watch > p{margin:4px 0 0}
.watch .vnum{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--pink-soft);margin-bottom:2px}
.startrow .ch{margin:0;border:2px solid var(--pink-main)}
.startrow .ch .num{background:var(--charcoal)}
@media(min-width:700px){.startrow{max-width:calc((100% - 28px) / 3 * 2 + 14px)}.startrow .ch{flex-direction:row;align-items:center}}
/* Bigger tap targets on phones */
.btn.sm{min-height:44px}
.pb-dots{gap:8px}
.pb-dots button{width:42px;height:42px}
.aff{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--pink-darker);background:var(--pink-lighter);border-radius:100px;padding:1px 7px;margin-left:4px;vertical-align:1px}