/* Base: reset, element defaults, focus ring, typography helpers, screen-reader-only helpers. */
html{-webkit-text-size-adjust:100%;overflow-x:clip}
body{overflow-x:clip;margin:0;background:var(--ground);color:var(--ink);font-family:var(--display);font-size:var(--fs-body);line-height:1.55;-webkit-tap-highlight-color:transparent;padding-bottom:calc(var(--player-h) + env(safe-area-inset-bottom,0px))}
h1,h2,h3,h4{margin:0;font-weight:500;letter-spacing:-.025em;line-height:1.05;text-wrap:balance}
p{margin:0}
a{color:inherit;touch-action:manipulation}
button{font:inherit;color:inherit;touch-action:manipulation;cursor:pointer}
label{touch-action:manipulation}
img{max-width:100%}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.small{font-size:var(--fs-small)}
.muted{color:var(--muted)}
.grow{flex:1;min-width:0}
.sp{flex:1}
.center{justify-items:center}
.danger{color:var(--bad)}
/* type */
.eyebrow{font-family:var(--mono);font-size:var(--fs-caption);letter-spacing:.06em;text-transform:uppercase}
.label{font-family:var(--mono);font-size:var(--fs-caption);letter-spacing:.08em;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.label::before{content:"▬▬▬▬";letter-spacing:-.04em;font-size:var(--fs-micro)}
.display{font-size:clamp(44px,7.4vw,112px);font-weight:500;letter-spacing:-.045em;line-height:.94}
.h1{font-size:clamp(34px,4.6vw,64px)}
.h2{font-size:clamp(28px,3.6vw,46px)}
.h3{font-size:clamp(21px,2vw,28px)}
.h4{font-size:19px;letter-spacing:-.015em}
.lede{font-size:clamp(17px,1.4vw,20px);line-height:1.45;max-width:50ch}
.big-p{font-size:19px;line-height:1.45}
.rule-top{border-top:1px solid var(--hair-strong);padding-top:14px}
.bigstat{font-size:clamp(80px,11vw,176px);font-weight:500;letter-spacing:-.05em;line-height:.85;display:block}
.back{text-decoration:none;display:inline-block;margin-bottom:12px}
/* details / FAQ */
details{border-top:1px solid var(--hair-strong);padding:16px 0}
details:last-of-type{border-bottom:1px solid var(--hair-strong)}
summary{cursor:pointer;font-size:19px;letter-spacing:-.01em;list-style:none;display:flex;justify-content:flex-start;align-items:baseline;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--mono);margin-left:auto;flex:0 0 auto}
details[open] summary::after{content:"−"}
details p{margin-top:10px;max-width:68ch}
/* logo */
.logo{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-weight:600;font-size:var(--fs-lead);letter-spacing:-.025em;white-space:nowrap}
/* the wordmark (step sequencer): 26px tall, 22px in the phone header, 28px in the footer; never squeezed below 20px */
.logo-word{display:block;height:26px;min-height:20px;width:auto;flex:none;transform-origin:0 50%}
.logo.on-dark .logo-word{height:28px}
@media (max-width:600px){
  .hdr .logo-word{height:22px}
}
.logo.on-dark{color:var(--on-dark)}
.logo-link{text-decoration:none;display:flex}
@media (max-width:960px){
  .hide-s{display:none}
}
@media (max-width:600px){
  body{font-size:var(--fs-body-s)}
}
/* request progress stepper (SS.views.stepper): 22 px circles joined by a 2 px line, labels centred under them (P-13) */
/* ---------- small helpers ---------- */
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nw{white-space:nowrap}
.nowrap{white-space:nowrap}
/* collapsible panel title (Scores in the feedback workspace): label left, +/− right, no gap when closed */
summary.label{justify-content:flex-start;font-size:var(--fs-caption);cursor:pointer}
summary.label::after{margin-left:auto}
details.stack:not([open]){gap:0}
/* ---------- admin: shared ---------- */
html:has(.adm){scrollbar-gutter:stable}
/* the paperclip is a button that opens a sheet of your tracks */
button.chat-att-w{padding:0;font:inherit}
button.chat-att-w:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
@media (hover:hover){
  a.m-step:hover{background:var(--mint)}
}