:root{
  --bg:#f4f8f7;--surface:#fff;--surface-2:#f8fbfa;--ink:#0a3130;--muted:#667776;--line:#dbe7e4;
  --petrol:#075450;--petrol-dark:#063d3b;--petrol-soft:#e7f2ef;--lime:#C8FF3D;--lime-strong:#B9F227;--lime-soft:#F0FFD0;
  --warn:#a56b12;--warn-bg:#fff8ea;--radius:18px;--shadow:0 12px 30px rgba(4,58,55,.06)
}
*{box-sizing:border-box}html,body{margin:0;padding:0}html{background:var(--bg)}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.48;-webkit-font-smoothing:antialiased}a{color:inherit}

/* APP CHROME */
.app-topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-inner{height:64px;max-width:1180px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.site-brand{display:flex;align-items:center;text-decoration:none;line-height:0}
.site-logo{display:block;width:auto;height:40px;max-width:320px;object-fit:contain}
.topbar-actions{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:720}.topbar-actions a{text-decoration:none;padding:9px 11px;border-radius:10px;color:var(--petrol)}.topbar-actions .home-link{display:inline-flex;align-items:center;gap:6px;background:var(--petrol);color:#fff;font-size:14px;font-weight:850;padding:10px 15px;box-shadow:0 5px 14px rgba(7,84,80,.14)}.topbar-actions .home-link span{font-size:17px;line-height:1}.topbar-actions .fic-home-link{white-space:nowrap}.topbar-actions .home-link:hover{background:var(--petrol-dark)}.topbar-actions .apps-link{background:var(--lime);color:var(--petrol-dark);box-shadow:inset 0 0 0 1px rgba(6,61,59,.08)}
.tool-strip{position:sticky;top:64px;z-index:25;background:#fff;border-bottom:1px solid var(--line)}
.tool-strip-inner{max-width:1180px;margin:auto;padding:8px 20px;display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}.tool-strip-inner::-webkit-scrollbar{display:none}
.tool-strip a{flex:none;text-decoration:none;font-size:12.5px;font-weight:720;color:#48615f;padding:8px 10px;border-radius:10px;white-space:nowrap}.tool-strip a:hover{background:var(--lime-soft);color:var(--petrol)}.tool-strip a[aria-current="page"],.tool-strip a.active{background:var(--lime);color:var(--petrol-dark)}.tool-home{color:var(--petrol)!important}.tool-divider{width:1px;height:22px;background:var(--line);margin:0 3px;flex:none}

/* APP BODY */
.calc-app{width:min(100%,900px);margin:0 auto;padding:18px 18px 80px}.calc-breadcrumb{display:flex;gap:6px;align-items:center;font-size:11.5px;color:#879593;margin:0 0 10px}.calc-breadcrumb a{text-decoration:none;color:#6d807e}
.calc-hero{padding:6px 2px 10px}.calc-kicker,.eyebrow{display:inline-flex;align-items:center;background:var(--lime);color:var(--petrol-dark);box-shadow:0 0 0 1px rgba(6,61,59,.05);font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.08em;padding:5px 9px;border-radius:8px}.calc-hero h1{font-size:clamp(27px,4vw,38px);line-height:1.08;margin:9px 0 8px;letter-spacing:-.03em}.calc-hero p{color:var(--muted);font-size:14.5px;max-width:66ch;margin:0}

/* PRIMARY TOOL PANEL */
.calc-card{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--lime);border-radius:22px;padding:18px;margin-top:14px;box-shadow:var(--shadow)}.calc-card h2{margin:0 0 4px;font-size:17px}.lead{color:var(--muted);font-size:13px;margin:0 0 14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}label{display:block;font-size:11.5px;font-weight:800;color:#38514f;margin-bottom:6px}.hint{display:block;font-size:11px;color:#83918f;font-weight:520;margin-top:2px}
input,select,textarea{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font:inherit;background:var(--surface-2);color:var(--ink);transition:.15s ease}input:hover,select:hover,textarea:hover{border-color:#c6d8d4}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--petrol);background:#fff;box-shadow:0 0 0 3px rgba(202,255,74,.32)}button.calc-btn{border:0;border-radius:12px;background:var(--lime);color:var(--petrol-dark);box-shadow:0 5px 16px rgba(185,242,39,.20);font-weight:820;padding:12px 16px;cursor:pointer;min-height:46px}button.calc-btn:hover{background:var(--lime-strong)}
.result{margin-top:12px;border-radius:16px;background:linear-gradient(135deg,var(--petrol-dark),var(--petrol));color:#fff;border-bottom:4px solid var(--lime);padding:17px 18px;position:relative;overflow:hidden}.result:after{content:"";position:absolute;width:115px;height:115px;border-radius:50%;right:-42px;top:-52px;background:var(--lime);opacity:.10}.result .label{text-transform:uppercase;letter-spacing:.08em;font-size:9.5px;font-weight:850;color:var(--lime);opacity:1}.result .value{font-size:clamp(24px,5vw,32px);font-weight:820;line-height:1.12;margin-top:4px;letter-spacing:-.02em}.result .sub{margin-top:7px;font-size:13px;opacity:.86}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:8px;margin-top:9px}.stat{background:var(--surface-2);border:1px solid #edf2f1;border-radius:12px;padding:11px 12px}.stat span{display:block;color:#7f8f8d;font-size:9.5px;text-transform:uppercase;letter-spacing:.06em;font-weight:850}.stat b{display:block;margin-top:3px;font-size:14px}
.note{background:var(--petrol-soft);border:0;padding:11px 13px;border-radius:11px;margin-top:11px;font-size:12.5px;color:#3d5654}.warn{background:var(--warn-bg);color:#7a5419;border-left:3px solid #dfa039}
.track{height:9px;border-radius:999px;background:linear-gradient(90deg,#e3e7e6 0 3%,#c8ded8 3% 10%,#75bcae 10% 90%,#c8ded8 90% 97%,#e3e7e6 97% 100%);position:relative;margin-top:14px}.track i{position:absolute;top:-4px;bottom:-4px;width:3px;background:var(--ink);border-radius:2px}.muted{color:var(--muted)}
.seg{display:flex;gap:3px;background:#edf3f1;padding:3px;border-radius:12px}.seg button{flex:1;border:0;background:transparent;padding:9px;border-radius:9px;font-weight:780;color:#6f817f;cursor:pointer}.seg button.on{background:var(--lime);color:var(--petrol-dark);box-shadow:0 1px 5px rgba(7,59,58,.07)}
.rows{margin-top:12px}.row{display:flex;gap:10px;align-items:center;background:var(--surface-2);border:1px solid #edf2f1;padding:10px 11px;border-radius:10px;margin-top:5px;font-size:13px}.row b{flex:1}.row span{color:var(--muted)}.cycle-list{display:grid;gap:7px}.cycle-list input{max-width:240px}

/* COLLAPSIBLE APP INFO */
.app-info-stack{margin-top:14px;border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.app-drawer{border-bottom:1px solid var(--line)}.app-drawer:last-child{border-bottom:0}.app-drawer summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 16px;font-size:13px;font-weight:790;color:#294341}.app-drawer summary::-webkit-details-marker{display:none}.app-drawer summary i{width:8px;height:8px;border-right:2px solid var(--petrol);border-bottom:2px solid var(--petrol);transform:rotate(45deg);transition:transform .18s}.app-drawer[open] summary i{transform:rotate(225deg)}.drawer-body{padding:0 16px 16px;color:#4f6361;font-size:13px}.drawer-body p{margin:0}.clean-list,.source-list{margin:0;padding-left:18px}.clean-list li,.source-list li{margin:6px 0}.source-list{font-size:12px}
.method-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:7px}.method-item{background:linear-gradient(180deg,#fff,var(--lime-soft));border:1px solid #e0edc8;border-radius:10px;padding:10px}.method-item small{display:block;color:#82918f;font-size:9px;font-weight:850;text-transform:uppercase;letter-spacing:.05em}.method-item b{display:block;font-size:12.5px;margin-top:2px;color:#294341}.info-copy{margin-top:11px!important}.review-line{display:flex;flex-wrap:wrap;gap:5px 9px;border-top:1px solid var(--line);padding-top:10px;margin-top:10px;font-size:11px}.review-line span{color:#8a9796}.review-line b{font-size:11px;margin-right:8px}

/* RELATED */
.related-section{margin-top:14px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 2px 8px}.section-head h2{margin:0;font-size:13px}.all-calcs{font-size:11.5px;font-weight:780;color:var(--petrol);text-decoration:none}.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:8px}.related a{display:block;text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:13px;padding:12px;color:var(--ink)}.related a:hover{border-color:var(--lime-strong);box-shadow:0 0 0 3px var(--lime-soft)}.related a b{display:block;font-size:12.5px}.related a span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.footer-note{font-size:10.5px;color:#748482;margin-top:15px;padding:0 2px}.site-footer{border-top:1px solid var(--line);background:#fff;color:#60716f;font-size:10.5px}.site-footer-inner{max-width:1180px;margin:0 auto;padding:18px 20px}

/* HUB */
.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.hub-card{display:block;background:#fff;border:1px solid var(--line);border-radius:15px;padding:15px;text-decoration:none;color:inherit}.hub-card:hover{border-color:var(--lime-strong);box-shadow:0 0 0 3px var(--lime-soft);transform:translateY(-1px)}.hub-card b{display:block;font-size:15px}.hub-card span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.section-title{margin:24px 0 8px;font-size:17px}
.mobile-dock{display:none}

@media(max-width:760px){
  .topbar-inner{height:56px;padding:0 14px}.site-logo{height:34px;max-width:255px}.topbar-actions .cammino-link{display:none}.topbar-actions .home-link{font-size:12px;padding:8px 11px}.topbar-actions .apps-link{font-size:11.5px;padding:7px 9px}
  .tool-strip{top:56px}.tool-strip-inner{padding:6px 12px}.tool-strip a{font-size:11.5px;padding:7px 8px}
  .calc-app{padding:14px 12px 118px}.calc-breadcrumb{display:none}.calc-hero{padding-top:4px}.calc-hero h1{font-size:29px}.calc-hero p{font-size:13.5px}.calc-card{padding:14px;border-radius:18px;margin-top:10px}.grid{grid-template-columns:1fr 1fr}.result{padding:15px}.result .value{font-size:27px}.app-info-stack{border-radius:15px}.app-drawer summary{padding:14px}.drawer-body{padding:0 14px 14px}.related{grid-template-columns:1fr 1fr}
  .mobile-dock{position:fixed;left:10px;right:10px;bottom:max(14px,env(safe-area-inset-bottom));z-index:1000;display:grid;grid-template-columns:repeat(4,1fr);gap:2px;min-height:62px;background:rgba(6,61,59,.98);border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:7px 6px;box-shadow:0 14px 38px rgba(0,0,0,.24)}.mobile-dock a{text-decoration:none;color:#fff;text-align:center;font-size:20px;padding:6px 2px;border-radius:10px;opacity:.98;line-height:1}.mobile-dock a span{display:block;font-size:12px;font-weight:800;margin-top:5px;letter-spacing:0;line-height:1.15}.mobile-dock a:active{background:var(--lime);color:var(--petrol-dark)}
}
@media(max-width:520px){.grid{grid-template-columns:1fr}.related{grid-template-columns:1fr}.tool-divider{display:none}.review-line{display:grid;grid-template-columns:auto 1fr}.result .sub{font-size:12.5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Fertilita in Cammino lime accents */
.calc-hero h1::after{content:"";display:block;width:44px;height:5px;border-radius:999px;background:var(--lime);margin-top:10px}
.stat b,.all-calcs:hover{color:var(--petrol-dark)}
.app-drawer[open] summary{background:linear-gradient(90deg,var(--lime-soft),#fff)}

@media(max-width:760px){
  .topbar-actions .fic-home-link{font-size:10.5px;padding:8px 10px}
}
@media(max-width:390px){
  .topbar-actions .fic-home-link{max-width:150px;overflow:hidden;text-overflow:ellipsis}
}

.topbar-actions .fic-home-link{white-space:nowrap}
@media(max-width:760px){
  .topbar-actions{gap:7px}
  .topbar-actions .fic-home-link{font-size:11px;padding:9px 10px;min-height:42px}
  .topbar-actions .apps-link{font-size:11px;padding:9px 10px;min-height:42px}
  .mobile-dock{min-height:72px}
}