:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#1c2430;--muted:#627084;--line:#dce3eb;--soft:#f5f7fb;--paper:#fff;--blue:#2362d8;--blue-dark:#1647a5;--mint:#e6f5ee;--mint-ink:#176440;--amber:#fff3d5;--amber-ink:#78520b;--rose:#fff0ef;--rose-ink:#a43f38;color:var(--ink);background:#eef2f7;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 20% 0,#f9fbff 0,#eef2f7 50%,#e8edf5 100%);min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}.page-shell{width:min(1120px,100% - 32px);margin:0 auto;padding:42px 0 30px}.hero{color:#fff;background:linear-gradient(130deg,#102947 0%,#1b4778 58%,#2768a5 100%);border:1px solid #e4eaf2;border-radius:30px;padding:46px clamp(22px,6vw,76px) 40px;box-shadow:0 24px 70px #19376026}.eyebrow{color:#5c78a3;letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px;font-size:.73rem;font-weight:800;line-height:1.3}.hero .eyebrow{color:#b5d8ff}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.055em;max-width:780px;margin-bottom:18px;font-size:clamp(2.4rem,6vw,5rem);line-height:.98}h2{letter-spacing:-.035em;margin-bottom:12px;font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.05}h3{margin-bottom:8px;font-size:1rem}.hero-copy{color:#e1efff;max-width:690px;margin-bottom:24px;font-size:clamp(1rem,2vw,1.25rem);line-height:1.6}.preview-note{color:#d5e7ff;border:1px solid #ffffff40;border-radius:999px;margin-bottom:0;padding:8px 12px;font-size:.82rem;display:inline-block}.calculator-panel,.content-section{border:1px solid var(--line);background:var(--paper);border-radius:26px;margin-top:24px;padding:clamp(22px,4vw,42px);box-shadow:0 16px 50px #263c5e0c}.calculator-heading{margin-bottom:28px}.calculator-heading p:last-child,.section-heading p:last-child{max-width:700px;color:var(--muted);margin-bottom:0;line-height:1.65}.form-grid{gap:16px;display:grid}.date-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:22px}label{color:var(--muted);letter-spacing:.02em;gap:7px;font-size:.78rem;font-weight:700;display:grid}label span small{color:#8c99ab;font-weight:500}input[type=date],input[type=text]{width:100%;min-height:45px;color:var(--ink);background:#fff;border:1px solid #cbd5e1;border-radius:11px;outline:0;padding:10px 12px;transition:border-color .18s,box-shadow .18s}input:focus{border-color:var(--blue);box-shadow:0 0 0 4px #2362d81d}input.invalid-field,input[aria-invalid=true]{border-color:var(--rose-ink);box-shadow:0 0 0 3px #a43f3826}.field-error{color:var(--rose-ink);letter-spacing:0;font-size:.72rem;font-weight:600;line-height:1.4;display:block}fieldset[tabindex="-1"]:focus{outline-offset:4px;outline:3px solid #2362d866}fieldset{min-width:0}.fieldset{border:0;margin:0 0 22px;padding:0}legend{width:100%;color:var(--ink);margin-bottom:12px;font-size:1rem;font-weight:800}.legend-hint{color:#8592a5;margin-left:8px;font-size:.74rem;font-weight:500}.work-items{gap:10px;margin-bottom:12px;display:grid}.work-row{background:#fafbfd;border:1px solid #e3e8f0;border-radius:15px;grid-template-columns:minmax(0,1.4fr) minmax(150px,.7fr) auto;align-items:end;gap:10px;padding:12px;display:grid}.icon-button{color:#6a7689;background:#fff;border:1px solid #d6dee9;border-radius:10px;width:36px;height:36px;font-size:1.35rem;line-height:1}.split-grid{grid-template-columns:1fr 1fr;gap:28px}.weekday-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;display:grid}.weekday{color:#738095;background:#fff;border:1px solid #d7e0ea;border-radius:12px;place-items:center;min-height:57px;padding:8px 4px;font-size:.72rem;transition:background .18s,border-color .18s,color .18s;display:grid}.weekday input{opacity:0;pointer-events:none;position:absolute}.weekday.selected{color:var(--blue-dark);background:#edf4ff;border-color:#93b9fb}.weekday.invalid-field{border-color:var(--rose-ink);background:var(--rose);color:var(--rose-ink)}.buffer-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.blocked-fieldset{padding-top:2px}.blocked-entry{align-items:end;gap:10px;display:flex}.blocked-entry input{flex:1}.blocked-list{flex-wrap:wrap;gap:7px;margin:12px 0 0;padding:0;list-style:none;display:flex}.blocked-list li{color:#46566e;background:#edf1f7;border-radius:8px;align-items:center;gap:8px;padding:5px 7px 5px 10px;font-size:.78rem;display:flex}.primary-button,.secondary-button{border-radius:10px;min-height:42px;padding:9px 16px;font-weight:800}.primary-button{border:1px solid var(--blue);background:var(--blue);color:#fff;box-shadow:0 8px 20px #2362d82b}.primary-button:hover:not(:disabled){background:var(--blue-dark)}.secondary-button{color:#365272;background:#fff;border:1px solid #cbd6e4}.secondary-button:hover:not(:disabled){background:#f3f7ff;border-color:#9bb9ec}.text-button{color:var(--blue);background:0 0;border:0;padding:0;font-size:.75rem}.validation-actions{align-items:center;gap:12px;margin:4px 0 22px;display:flex}.validation-actions>span{color:var(--muted);font-size:.76rem;line-height:1.45}.notice{color:#23517d;background:#eef7ff;border:1px solid #b8d8f7;border-radius:11px;margin:-8px 0 22px;padding:12px 14px;font-size:.88rem;line-height:1.45}.error-card{background:var(--rose);color:var(--rose-ink);border:1px solid #f1c5c1;border-radius:17px;margin-top:26px;padding:20px}.error-card h2{margin-bottom:6px;font-size:1.25rem}.error-card p{color:#824b47;margin-bottom:15px;font-size:.88rem}.error-card ul{gap:9px;margin:0;padding-left:0;list-style:none;display:grid}.error-card li{align-items:baseline;gap:9px;font-size:.86rem;line-height:1.45;display:flex}.error-code{color:#9a4139;background:#fff;border-radius:5px;flex:none;padding:3px 7px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7rem}.error-card a{color:inherit;text-underline-offset:2px}.result-card{background:linear-gradient(145deg,#f8fbff,#eef5ff);border:1px solid #bcd6f8;border-radius:19px;margin-top:26px;padding:clamp(20px,4vw,32px)}.result-card.critical{background:linear-gradient(145deg, #fffdf7, var(--amber));border-color:#efd696}.result-card.overloaded{background:linear-gradient(145deg, snow, var(--rose));border-color:#f1c5c1}.result-header,.share-panel,.footer{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.result-header h2{margin-bottom:0}.status-pill{background:var(--mint);min-height:30px;color:var(--mint-ink);border-radius:999px;align-items:center;padding:5px 12px;font-size:.75rem;font-weight:800;display:inline-flex}.critical .status-pill{background:var(--amber);color:var(--amber-ink)}.overloaded .status-pill{background:var(--rose);color:var(--rose-ink)}.result-summary{color:#53657e;max-width:650px;margin:14px 0 22px;line-height:1.55}.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0;display:grid}.metric{background:#fff9;border:1px solid #dbe6f3;border-radius:13px;min-width:0;padding:13px}.metric dt{color:#697c96;font-size:.72rem}.metric dd{color:#233c61;margin:5px 0 0;font-size:1.12rem;font-weight:800}.metric.accent{background:#fff;border-color:#9fc4f6}.date-callouts{grid-template-columns:1fr 1fr;gap:10px;margin-top:13px;display:grid}.date-callouts>div{background:#fff;border-radius:12px;gap:5px;padding:13px;display:grid}.date-callouts span{color:#6a7d96;font-size:.72rem}.date-callouts strong{color:#1f3d64;font-size:1rem}.result-details{border-top:1px solid #d6e2f0;margin-top:15px;padding-top:13px}.result-details summary{cursor:pointer;color:#315b92;font-size:.82rem;font-weight:800}.detail-columns{grid-template-columns:1fr 1fr;gap:20px;margin-top:16px;display:grid}.detail-columns h3{color:#48627f;letter-spacing:.06em;text-transform:uppercase;font-size:.78rem}.detail-columns ul{color:#576a84;gap:8px;margin:0;padding-left:18px;font-size:.8rem;line-height:1.5;display:grid}.detail-columns code{color:#36577e;font-size:.72rem}.date-list{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.date-list span{color:#526a87;background:#fff;border-radius:6px;padding:4px 7px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.71rem}.limitation{color:#667a95;border-top:1px solid #d6e2f0;margin:23px 0 0;padding-top:15px;font-size:.8rem;line-height:1.5}.share-panel{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;margin-top:30px;padding-top:25px}.share-panel>div{flex:500px}.share-panel h2{margin-bottom:7px;font-size:1.3rem}.share-panel p:not(.eyebrow),.share-message{color:var(--muted);margin-bottom:0;font-size:.82rem;line-height:1.5}.share-message{color:var(--mint-ink);flex-basis:100%}.content-section{padding-top:clamp(24px,4vw,38px)}.section-heading{margin-bottom:25px}.explanation-grid,.source-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.explanation-grid article,.source-card{background:#fbfcfe;border:1px solid #e2e8f0;border-radius:15px;padding:17px}.explanation-grid p,.source-card p{color:var(--muted);margin-bottom:0;font-size:.84rem;line-height:1.6}.step-number{color:#89a7d2;margin-bottom:25px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;font-weight:800;display:inline-block}.source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.source-card h3{color:#2c4667;min-height:2.5em}.source-url{overflow-wrap:anywhere;color:#5876a0;margin-top:15px;font-size:.68rem;line-height:1.45;display:block}.source-url span:first-child{color:#899bb4}.faq-list{gap:9px;display:grid}.faq-list details{background:#fbfcfe;border:1px solid #e2e8f0;border-radius:12px;padding:14px 16px}.faq-list summary{cursor:pointer;color:#315273;font-weight:800}.faq-list p{color:var(--muted);margin:12px 0 2px;font-size:.86rem;line-height:1.6}.limitations ul{color:var(--muted);gap:10px;margin:0;padding-left:18px;font-size:.88rem;line-height:1.6;display:grid}.footer{color:#6d7c91;margin:22px 3px 0;font-size:.72rem}@media (width<=760px){.page-shell{width:min(100% - 18px,650px);padding-top:10px}.hero{border-radius:22px;padding:32px 22px}.calculator-panel,.content-section{border-radius:20px;padding:22px 17px}.date-grid,.split-grid,.explanation-grid,.source-grid{grid-template-columns:1fr}.work-row{grid-template-columns:1fr 1fr auto}.work-row .wide{grid-column:1/-1}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-columns{grid-template-columns:1fr}.result-header{align-items:center}}@media (width<=450px){.weekday-grid{gap:3px}.weekday{min-height:50px;font-size:.65rem}.work-row{grid-template-columns:1fr auto}.work-row label:nth-child(2){grid-column:1/-1}.date-callouts{grid-template-columns:1fr}.blocked-entry{grid-template-columns:1fr;display:grid}.footer{gap:7px;display:grid}}