/* Less is More — onboarding */
body.ob{background:var(--paper);min-height:100vh;display:flex;flex-direction:column}
.ob-head{position:sticky;top:0;z-index:10;background:var(--paper)}
.ob-head .bar{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:760px;margin:0 auto;padding:0 20px}
.ob-head .logo{font-size:20px}
.ob-head .logo svg{width:26px;height:26px}
.ob-close{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:14px;color:var(--ink-2);text-decoration:none}
.ob-close svg{width:18px;height:18px}
.progress{height:3px;background:var(--line)}
.progress span{display:block;height:100%;width:0;background:var(--clay);transition:width .4s ease}

.ob-main{flex:1;width:100%;max-width:600px;margin:0 auto;padding:36px 20px 140px}
.ob-back{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:6px 0;margin:-6px 0 18px;font:500 14px var(--sans);color:var(--ink-2);cursor:pointer}
.ob-back:hover{color:var(--ink)}
.ob-back[hidden]{display:none}
.ob-section{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--clay-dark);font-weight:600;margin-bottom:12px}
.ob-q{font-family:var(--serif);font-size:clamp(28px,5.4vw,36px);line-height:1.15;letter-spacing:-.01em;font-weight:400;margin:0 0 12px}
.ob-help{color:var(--ink-2);font-size:16px;margin:0 0 26px}
.ob-help a{color:var(--ink)}
.screen{animation:in .35s ease}
@keyframes in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.screen{animation:none}}

/* options */
.opts{display:grid;gap:10px;margin:0;padding:0;border:0}
.opt{position:relative;display:flex;align-items:center;gap:14px;width:100%;min-height:62px;padding:14px 18px;text-align:left;background:var(--card);border:1.5px solid var(--line);border-radius:14px;font:500 16.5px/1.35 var(--sans);color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s,transform .1s}
.opt:hover{border-color:#B9AF9F}
.opt:active{transform:scale(.995)}
.opt .tick{flex:none;width:22px;height:22px;border-radius:50%;border:1.5px solid #B9AF9F;display:flex;align-items:center;justify-content:center;transition:all .15s}
.opt.multi .tick{border-radius:6px}
.opt .tick svg{width:12px;height:12px;opacity:0;color:var(--paper)}
.opt[aria-checked="true"]{border-color:var(--ink);background:#FFFFFF}
.opt[aria-checked="true"] .tick{background:var(--ink);border-color:var(--ink)}
.opt[aria-checked="true"] .tick svg{opacity:1}
.opt .sub{display:block;font-weight:400;font-size:14px;color:var(--ink-2);margin-top:2px}

/* fields */
.field{display:grid;gap:7px;margin-bottom:18px}
.field label,.field .lbl{font-weight:600;font-size:15px}
.field .hint{font-size:13.5px;color:var(--ink-2);margin-top:-3px}
.input,select.input,textarea.input{width:100%;min-height:56px;padding:14px 16px;background:var(--card);border:1.5px solid var(--line);border-radius:12px;font:400 17px var(--sans);color:var(--ink);-webkit-appearance:none;appearance:none}
textarea.input{min-height:120px;resize:vertical;line-height:1.5}
select.input{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231E1D1B' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:12px;padding-right:40px}
.input:focus,.opt:focus-visible,.btn:focus-visible,.chip:focus-visible,.seg button:focus-visible{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(184,92,56,.22)}
.input.bad{border-color:#B3261E}
.row{display:grid;grid-template-columns:repeat(var(--n,2),1fr);gap:10px}
.suffix{position:relative}
.suffix .input{padding-right:52px}
.suffix span{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--ink-2);font-size:15px;pointer-events:none}
.err{color:#B3261E;font-size:14px;margin-top:4px;min-height:1px}

/* segmented unit toggle */
.seg{display:inline-flex;background:var(--paper-2);border-radius:999px;padding:4px;margin-bottom:22px}
.seg button{border:0;background:transparent;border-radius:999px;padding:9px 18px;font:600 14px var(--sans);color:var(--ink-2);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);background:var(--card);border-radius:999px;padding:10px 16px;font:500 15px var(--sans);color:var(--ink);cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--ink);background:var(--ink);color:var(--paper)}

/* checkbox consent */
.check{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start;font-size:15px;color:var(--ink-2);margin-bottom:14px;cursor:pointer}
.check input{width:22px;height:22px;margin:1px 0 0;accent-color:var(--ink)}
.check a{color:var(--ink)}

/* BMI result */
.bmi{margin-top:6px;border-radius:16px;padding:20px;background:var(--sage-soft);display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.bmi.warn{background:var(--clay-soft)}
.bmi .v{font-family:var(--serif);font-size:44px;line-height:1}
.bmi .v small{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-top:6px}
.bmi p{font-size:14.5px;color:var(--ink)}
.bmi-scale{grid-column:1/-1;position:relative;height:8px;border-radius:99px;background:linear-gradient(90deg,#D9A48A 0 14%,#AFC0A6 14% 36%,#E7C9A0 36% 60%,#D8A07F 60% 100%)}
.bmi-scale i{position:absolute;top:50%;width:16px;height:16px;border-radius:50%;background:var(--ink);border:3px solid var(--card);transform:translate(-50%,-50%);transition:left .4s}

/* sticky action bar */
.ob-actions{position:fixed;left:0;right:0;bottom:0;background:linear-gradient(to top,var(--paper) 70%,rgba(246,242,236,0));padding:22px 20px calc(18px + env(safe-area-inset-bottom))}
.ob-actions .in{max-width:560px;margin:0 auto}
.ob-actions .btn{width:100%}
.ob-actions .btn[disabled]{opacity:.35;cursor:not-allowed;transform:none}
.ob-actions[hidden]{display:none}
.privacy-note{display:flex;gap:8px;align-items:center;justify-content:center;font-size:12.5px;color:var(--ink-3);margin-top:10px}
.privacy-note svg{width:14px;height:14px}

/* intro + end screens */
.intro-art{width:120px;height:120px;margin-bottom:26px}
.bullets{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:14px}
.bullets li{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start;color:var(--ink-2)}
.bullets li b{display:block;color:var(--ink);font-weight:600}
.bullets .ic{width:36px;height:36px;border-radius:50%;background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.bullets .ic svg{width:18px;height:18px}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:18px 0}
.card h3{font-family:var(--sans);font-size:15px;font-weight:600;margin-bottom:10px}
.card ol,.card ul{margin:0;padding-left:20px;color:var(--ink-2);display:grid;gap:8px;font-size:15.5px}
.notice{background:#FFF7E0;border:1px solid #EDD9A3;color:#5B4A1E;border-radius:12px;padding:12px 14px;font-size:14px;margin-bottom:20px}
.done-mark{width:72px;height:72px;border-radius:50%;background:var(--sage-soft);display:flex;align-items:center;justify-content:center;margin-bottom:24px}
.done-mark svg{width:32px;height:32px;color:var(--sage)}
.helpline{background:var(--sage-soft);border-radius:14px;padding:16px 18px;margin:18px 0;font-size:15.5px}
.helpline b{display:block;margin-bottom:4px}
.link-btn{background:none;border:0;padding:0;font:inherit;color:var(--ink);text-decoration:underline;cursor:pointer}