/* Kidney Navigator — free tools shared styles (kidneynav.com) */
@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url('/assets/fonts/inter-latin.woff2') format('woff2')}
:root{--navy:#0B2D5B;--blue:#0057BB;--sky:#1E88FF;--gold:#FFC72C;--crimson:#B51F3A;--ink:#0E2438;--muted:#4A5A6A;--line:#E1E8F0;--bg:#FBFBFA;--soft:#F1F6FC;--green:#1F7A4D}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;letter-spacing:-.02em;color:var(--navy)}
h1,h2{font-family:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;font-weight:700}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.topbar{border-top:5px solid var(--gold)}
.hdr{background:rgba(251,251,250,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
.hdr .wrap{display:flex;align-items:center;gap:16px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.hdr img{height:58px;width:auto;display:block}
.hdr nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.hdr nav a{color:var(--navy);text-decoration:none;font-weight:500;font-size:15px;padding:10px 9px;border-radius:8px}
.hdr nav a:hover,.hdr nav a[aria-current]{color:var(--blue);background:var(--soft)}
.hdr nav a.btn{color:#fff;background:var(--navy);padding:0 20px;margin-left:8px}
.hdr nav a.btn:hover{background:var(--blue);color:#fff}
.btn{min-height:50px;padding:0 24px;border-radius:999px;font:inherit;font-weight:600;font-size:16px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--blue);color:#fff}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid #CFD9E6}.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-gold{background:var(--gold);color:var(--navy)}
.hero{padding:44px 0 20px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.08;margin-top:8px}
.lead{font-size:19px;color:var(--muted);max-width:44em;margin:14px 0 0}
.card{background:#fff;border:1.5px solid var(--line);border-radius:20px;padding:26px 24px}
.grid{display:grid;gap:20px}
.notice{background:#FFF9E6;border:1.5px solid #F2D98A;border-radius:14px;padding:14px 18px;color:#5B4A00;font-size:15px;line-height:1.55}
.src{font-size:13px;color:#5B6B7A;line-height:1.6}
label,.lbl{font-weight:600;color:var(--navy);display:block;margin-bottom:6px}
input[type=number],input[type=text],select,textarea{font:inherit;padding:12px 14px;border:1.5px solid #B9C7D8;border-radius:12px;background:#fff;color:var(--ink);width:100%}
input[type=range]{width:100%;accent-color:var(--blue)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid #B9C7D8;background:#fff;color:var(--navy);font-weight:500;font-size:15px;cursor:pointer;user-select:none}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip:has(input:checked){background:var(--navy);border-color:var(--navy);color:#fff}
.chip:has(input:focus-visible){outline:3px solid var(--blue);outline-offset:2px}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;margin:0 6px 6px 0}
.tag-low{background:#E6F4EC;color:#14603A}.tag-med{background:#FFF4D1;color:#7A5B00}.tag-high{background:#FDECEF;color:#8E1730}.tag-plain{background:#E8F1FC;color:#0B2D5B}
footer{border-top:1.5px solid var(--line);margin-top:56px;padding:30px 0 52px;font-size:14px;color:#5B6B7A}
footer p{margin:6px 0 0;max-width:60em}
.sr{position:absolute;left:-9999px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.hdr,.topbar,.noprint,footer .noprint{display:none!important}body{background:#fff;font-size:12pt}.card{border:1px solid #999;break-inside:avoid}a{color:#000}}
.hdr nav select.lang{font:inherit;font-size:15px;font-weight:500;padding:0 30px 0 12px;min-height:44px;width:auto;border:1.5px solid #B9C7D8;border-radius:10px;background:#fff;color:var(--navy);margin-left:6px;cursor:pointer}
html{scroll-padding-top:90px;color-scheme:light}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
@view-transition{navigation:auto}
@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}}