/* /diagnose/ engine, photo-led styling (0.3). Logic lives in diagnose.js; class hooks unchanged.
   Selectors are prefixed with .srn-dx so they win over the article typography in srn-ui.css. */
.srn-dx{max-width:820px;margin:0 0 2.5rem;color:var(--ink,#0f2e28);font-size:1rem;line-height:1.6}
.srn-dx *{box-sizing:border-box}
.srn-dx .srn-dx-safety{position:relative;margin:0 0 18px;padding:12px 16px 12px 50px;border:1px solid #fecdca;border-left:5px solid var(--danger,#b42318);border-radius:14px;background:var(--danger-bg,#fef3f2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b42318' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3 22 20H2z'/%3E%3Cpath d='M12 10v4.5M12 17.2v.3'/%3E%3C/svg%3E") no-repeat 16px 13px/22px 22px;font-size:.92rem;line-height:1.5}
.srn-dx .srn-dx-safety a{color:var(--danger,#b42318);font-weight:700;text-decoration:underline;white-space:nowrap}
.srn-dx .srn-dx-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;min-height:32px;margin:0 0 10px;font-size:.9rem}
.srn-dx .srn-dx-crumb{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted,#4b5e57)}
.srn-dx .srn-dx-restart{margin-left:auto}
.srn-dx .srn-dx-card{background:#fff;border:1px solid var(--line,#e3e2da);border-radius:24px;padding:26px 22px 24px;box-shadow:0 2px 6px rgba(15,46,40,.06),0 12px 32px rgba(15,46,40,.10)}
@media(min-width:768px){.srn-dx .srn-dx-card{padding:34px 36px 32px}}
.srn-dx .srn-dx-card h2{font-family:var(--sans,sans-serif);font-size:clamp(1.45rem,1.2rem + 1.2vw,2rem);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin:0 0 .55rem;padding:0;border:0;outline:none}
.srn-dx .srn-dx-card h2::before{content:none!important}
.srn-dx .srn-dx-card h3{font-size:1.15rem;font-weight:800;margin:1.5rem 0 .45rem}
.srn-dx .srn-dx-card p{margin:0 0 .8rem}
.srn-dx .srn-dx-card ul,.srn-dx .srn-dx-card ol{margin:0 0 .8rem;padding-left:1.3rem}
.srn-dx .srn-dx-card li{margin:.25rem 0}
.srn-dx .srn-dx-help,.srn-dx .srn-dx-step{color:var(--muted,#4b5e57)}
.srn-dx .srn-dx-step,.srn-dx .srn-dx-kicker{font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.4rem!important}
.srn-dx .srn-dx-kicker{color:var(--grass-d,#166534)}
/* buttons */
.srn-dx .srn-dx-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.6rem 1.3rem;border:1.5px solid var(--line-2,#d3d1c6);border-radius:999px;background:#fff;color:var(--ink,#0f2e28);font:700 15px/1.25 var(--sans,sans-serif);cursor:pointer;text-decoration:none;text-align:center;transition:background .15s,transform .15s}
.srn-dx .srn-dx-btn[disabled]{opacity:.45;cursor:not-allowed}
.srn-dx .srn-dx-primary{background:var(--cta,#ffb020);border-color:var(--cta,#ffb020);color:var(--ink,#0f2e28);font-weight:800;box-shadow:0 2px 0 rgba(15,46,40,.12),0 8px 20px rgba(245,158,11,.3)}
.srn-dx .srn-dx-primary:hover:not([disabled]){background:var(--cta-d,#f59e0b);border-color:var(--cta-d,#f59e0b);color:var(--ink,#0f2e28)}
.srn-dx .srn-dx-secondary{background:#fff;color:var(--ink,#0f2e28)}
.srn-dx .srn-dx-secondary:hover{background:var(--leaf,#e8f4ea)}
.srn-dx .srn-dx-danger,.srn-dx .srn-dx-danger:hover{background:var(--danger,#b42318)!important;border-color:var(--danger,#b42318);box-shadow:none}
.srn-dx .srn-dx-link{border:0;min-height:36px;padding:.2rem 0;background:none;color:var(--grass-d,#166534);font-weight:700;text-decoration:underline;text-underline-offset:.2em;box-shadow:none}
.srn-dx a.srn-dx-btn.srn-dx-primary,.srn-dx a.srn-dx-btn.srn-dx-primary:hover{color:var(--ink,#0f2e28)!important;text-decoration:none}
.srn-dx .srn-dx-danger,.srn-dx a.srn-dx-danger{color:#fff!important;text-decoration:none}
.srn-dx a.srn-dx-btn.srn-dx-secondary{color:var(--ink,#0f2e28)!important;text-decoration:none}
/* start: symptom tiles */
.srn-dx .srn-dx-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:1rem 0 1.2rem;counter-reset:c}
.srn-dx .srn-dx-choice{counter-increment:c;position:relative;display:flex;flex-direction:column;gap:2px;text-align:left;min-height:68px;padding:12px 44px 12px 16px;background:#fff;border:1.5px solid var(--line,#e3e2da);border-radius:14px;font:inherit;color:inherit;cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s}
.srn-dx .srn-dx-choice::after{content:"";position:absolute;right:14px;top:50%;width:20px;height:20px;margin-top:-10px;border:2px solid var(--line-2,#d3d1c6);border-radius:50%;background:#fff}
.srn-dx .srn-dx-choice strong{font-weight:700;font-size:1.02rem;line-height:1.3}
.srn-dx .srn-dx-choice span{color:var(--muted,#4b5e57);font-size:.86rem;line-height:1.4}
.srn-dx .srn-dx-choice:hover{border-color:var(--grass,#22c55e);box-shadow:0 4px 14px rgba(34,197,94,.14)}
.srn-dx .srn-dx-choice[aria-checked=true]{background:var(--leaf,#e8f4ea);border-color:var(--grass-d,#166534)}
.srn-dx .srn-dx-choice[aria-checked=true]::after{border-color:var(--grass-d,#166534);background:var(--grass-d,#166534);box-shadow:inset 0 0 0 4px #fff}
/* questions */
.srn-dx .srn-dx-options{display:grid;gap:8px;margin:1rem 0}
.srn-dx .srn-dx-option{justify-content:flex-start;text-align:left;min-height:56px;border:1.5px solid var(--line,#e3e2da);border-radius:14px;background:#fff;color:inherit;font-weight:600;padding:.7rem 1rem;box-shadow:none}
.srn-dx .srn-dx-option::after{content:"→";content:"→" / "";margin-left:auto;padding-left:12px;color:var(--grass-d,#166534)}
.srn-dx .srn-dx-option:hover,.srn-dx .srn-dx-option.is-on{background:var(--leaf,#e8f4ea);border-color:var(--grass,#22c55e)}
.srn-dx .srn-dx-yn{grid-template-columns:1fr 1fr;column-gap:10px}
.srn-dx .srn-dx-actions{display:flex;gap:12px 20px;flex-wrap:wrap;align-items:center;margin-top:1.2rem}
.srn-dx .srn-dx-progress{height:6px;background:var(--leaf,#e8f4ea);margin:0 0 1.1rem;border-radius:999px;overflow:hidden}
.srn-dx .srn-dx-progress span{display:block;height:100%;background:var(--grass,#22c55e);border-radius:999px}
/* warnings */
.srn-dx .srn-dx-warn{margin:0 0 1rem;padding:14px 16px 12px;border:1px solid #fecdca;border-left:5px solid var(--danger,#b42318);border-radius:14px;background:var(--danger-bg,#fef3f2);font-size:.95rem}
.srn-dx .srn-dx-warn::before{content:"Safety warning";display:block;margin:0 0 4px;font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--danger,#b42318)}
/* result */
.srn-dx .srn-dx-summary{font-size:1.08rem}
.srn-dx .srn-dx-why{margin:0 0 1rem;padding:.7rem 1rem;border:1px solid var(--line,#e3e2da);border-radius:12px;font-size:.93rem;background:var(--warm,#f8f7f2)}
.srn-dx .srn-dx-why summary{cursor:pointer;font-weight:700}
.srn-dx .srn-dx-why p{margin:.5rem 0 .3rem}
.srn-dx .srn-dx-causes{list-style:none!important;padding:0!important;margin:0 0 1rem!important;display:grid;gap:8px}
.srn-dx .srn-dx-causes li{list-style:none!important;margin:0;padding:.8rem 1rem;border:1px solid var(--line,#e3e2da);border-radius:12px;background:#fff}
.srn-dx .srn-dx-causes p{margin:.25rem 0 0;color:var(--muted,#4b5e57);font-size:.93rem}
.srn-dx .srn-dx-like{display:inline-block;margin-left:.4rem;padding:1px 8px;border-radius:999px;background:var(--warm,#f8f7f2);border:1px solid var(--line,#e3e2da);font-size:.7rem;font-weight:800;line-height:1.6;text-transform:uppercase;letter-spacing:.06em;color:var(--muted,#4b5e57);vertical-align:2px}
.srn-dx .srn-dx-like-very-likely{background:var(--grass-d,#166534);border-color:var(--grass-d,#166534);color:#fff}
.srn-dx .srn-dx-like-likely{background:var(--leaf,#e8f4ea);border-color:var(--leaf-2,#d4ebd9);color:var(--grass-d,#166534)}
.srn-dx .srn-dx-urg{margin:1.3rem 0;padding:.2rem 1rem .6rem;border-radius:14px;background:var(--leaf,#e8f4ea)}
.srn-dx .srn-dx-urg h3{margin-top:.7rem!important}
.srn-dx .srn-dx-urg-urgent{background:var(--caution-bg,#fffaeb);border:1px solid #fde7b0;border-left:5px solid var(--caution,#b54708)}
.srn-dx .srn-dx-urg-emergency{background:var(--danger-bg,#fef3f2);border:1px solid #fecdca;border-left:5px solid var(--danger,#b42318)}
.srn-dx .srn-dx-urg-urgent::before,.srn-dx .srn-dx-urg-emergency::before{display:block;margin:.7rem 0 0;font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em}
.srn-dx .srn-dx-urg-urgent::before{content:"Caution";color:var(--caution,#b54708)}
.srn-dx .srn-dx-urg-emergency::before{content:"Safety warning";color:var(--danger,#b42318)}
.srn-dx .srn-dx-cta{margin:1.4rem 0;padding:20px 22px 22px;border-radius:18px;background:var(--ink,#0f2e28);color:#d6e2dd}
.srn-dx .srn-dx-cta h3{margin-top:0!important;color:#fff}
.srn-dx .srn-dx-cta p a,.srn-dx .srn-dx-cta .srn-dx-link{color:#86efac}
.srn-dx .srn-dx-cta :focus-visible{outline-color:var(--cta,#ffb020)!important}
.srn-dx .srn-dx-referral{background:var(--warm,#f8f7f2);color:inherit;border:1px solid var(--line,#e3e2da)}
.srn-dx .srn-dx-referral h3{color:var(--ink,#0f2e28)}
.srn-dx .srn-dx-referral p a,.srn-dx .srn-dx-referral .srn-dx-link{color:var(--grass-d,#166534)}
.srn-dx .srn-dx-more{margin-top:1rem}
.srn-dx .srn-dx-links a,.srn-dx .srn-dx-card p a{color:var(--grass-d,#166534);font-weight:700;text-decoration:underline;text-underline-offset:.18em}
.srn-dx .srn-dx-cta p a{color:#86efac}
.srn-dx .srn-dx-referral p a{color:var(--grass-d,#166534)}
.srn-dx .srn-dx-disclaimer{font-size:.85rem;color:var(--muted,#4b5e57);border-top:1px solid var(--line,#e3e2da);padding-top:.9rem;margin-top:1.3rem!important}
/* lead form */
.srn-dx .srn-dx-form{display:flex;flex-direction:column;gap:.35rem;margin:1rem 0}
.srn-dx .srn-dx-form label,.srn-dx .srn-dx-label{font-weight:700;margin:.7rem 0 0!important}
.srn-dx .srn-dx-form input[type=text],.srn-dx .srn-dx-form input:not([type]),.srn-dx .srn-dx-form input[type=email],.srn-dx .srn-dx-form input[type=tel],.srn-dx .srn-dx-form select{width:100%;max-width:440px;min-height:50px;padding:.6rem 1rem;border:1.5px solid var(--line-2,#d3d1c6);border-radius:12px;background:#fff;color:inherit;font:inherit}
.srn-dx .srn-dx-form input:focus,.srn-dx .srn-dx-form select:focus{border-color:var(--forest,#14463a)}
.srn-dx .srn-dx-form .srn-dx-btn{align-self:flex-start;margin-top:.9rem}
.srn-dx .srn-dx-check{display:flex;gap:.6rem;align-items:flex-start;font-weight:400!important;margin-top:.8rem!important}
.srn-dx .srn-dx-check input{width:20px;height:20px;margin-top:.15rem;flex:0 0 auto;accent-color:var(--grass-d,#166534)}
.srn-dx .srn-dx-radios{display:flex;gap:1.2rem;flex-wrap:wrap}
.srn-dx .srn-dx-radios label{font-weight:500;margin:0!important;display:flex;align-items:center;gap:.4rem}
.srn-dx .srn-dx-radios input{accent-color:var(--grass-d,#166534);width:18px;height:18px}
.srn-dx .srn-dx-msg{color:var(--danger,#b42318);font-weight:700;min-height:1.2em;margin:.3rem 0 0!important}
.srn-dx .srn-dx-ok{padding:.9rem 1.1rem;border-radius:12px;border-left:5px solid var(--grass,#22c55e);background:var(--leaf,#e8f4ea);font-weight:700}
.srn-dx .srn-dx-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.srn-dx .srn-dx-summary-list{display:grid;grid-template-columns:max-content 1fr;gap:0;margin:1rem 0;padding:4px 16px;border:1px solid var(--line,#e3e2da);border-radius:14px;background:var(--warm,#f8f7f2)}
.srn-dx .srn-dx-summary-list dt,.srn-dx .srn-dx-summary-list dd{padding:.55rem 1rem .55rem 0;border-bottom:1px solid var(--line,#e3e2da);margin:0}
.srn-dx .srn-dx-summary-list dt:last-of-type,.srn-dx .srn-dx-summary-list dd:last-of-type{border-bottom:0}
.srn-dx .srn-dx-summary-list dt{font-size:.74rem;font-weight:800;line-height:1.9;text-transform:uppercase;letter-spacing:.07em;color:var(--muted,#4b5e57)}
.srn-dx .srn-dx-files{font-size:.9rem;color:var(--muted,#4b5e57)}
@media(max-width:640px){
 .srn-dx .srn-dx-card{padding:22px 16px 20px;border-radius:18px}
 .srn-dx .srn-dx-choices{grid-template-columns:1fr}
 .srn-dx .srn-dx-yn{grid-template-columns:1fr}
 .srn-dx .srn-dx-btn.srn-dx-primary,.srn-dx .srn-dx-actions .srn-dx-btn{width:100%}
 .srn-dx .srn-dx-summary-list{grid-template-columns:1fr}.srn-dx .srn-dx-summary-list dt{border-bottom:0;padding-bottom:0}
}