.bmpsc{--navy:#0b1f33;--navy2:#0b2947;--ink:#10253d;--blue:#2368d8;--teal:#15a3a3;--pale:#e8f1fc;--canvas:#f4f7fa;--line:#d8e1ea;--muted:#65758a;box-sizing:border-box;width:100%;max-width:1500px;margin:auto;padding:22px;background:var(--canvas);color:var(--ink);font-family:Inter,Arial,sans-serif;font-size:14px;line-height:1.4}.bmpsc *{box-sizing:border-box}.bmpsc button,.bmpsc input,.bmpsc select{font:inherit}.bmpsc-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:4px 0 20px}.bmpsc-intro p,.bmpsc-method>p{margin:0 0 6px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.bmpsc-intro h1,.bmpsc-intro h2{margin:0;color:var(--navy);font-size:46px;line-height:1.05;letter-spacing:-.04em}.bmpsc-intro span{display:block;margin-top:8px;color:var(--muted);font-size:15px}.bmpsc-intro>b{padding:10px 13px;background:#fff;border:1px solid var(--line);border-radius:7px;color:var(--muted);font-size:11px;white-space:nowrap}.bmpsc-workspace{display:grid;grid-template-columns:minmax(0,2.05fr) minmax(350px,.95fr);align-items:start;gap:18px}.bmpsc-form{display:flex;min-width:0;flex-direction:column;gap:12px}.bmpsc details{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:9px}.bmpsc summary{min-height:57px;display:flex;align-items:center;justify-content:space-between;padding:11px 19px;color:var(--navy);font-size:17px;font-weight:750;cursor:pointer;list-style:none}.bmpsc summary::-webkit-details-marker{display:none}.bmpsc summary small{display:block;margin-bottom:2px;color:var(--blue);font-size:9px;letter-spacing:.11em;text-transform:uppercase}.bmpsc summary i{font-style:normal;transition:.15s}.bmpsc details[open] summary i{transform:rotate(180deg)}.bmpsc-section{padding:18px 20px 20px;border-top:1px solid var(--line)}.bmpsc-grid{display:grid;gap:13px}.bmpsc-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.bmpsc-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.bmpsc-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.bmpsc-grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}.bmpsc-grid-6{grid-template-columns:repeat(6,minmax(0,1fr))}.bmpsc-span-2{grid-column:span 2}.bmpsc-field{display:flex;min-width:0;flex-direction:column;gap:6px}.bmpsc-field>span:first-child{color:#334a61;font-size:11px;font-weight:650}.bmpsc-input{position:relative;display:flex;align-items:center}.bmpsc-input input,.bmpsc-input select{width:100%;height:40px;padding:0 12px;border:1px solid #cdd7e2;border-radius:6px;background:#fff;color:var(--ink);font-size:13px}.bmpsc-input input:focus,.bmpsc-input select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(35,104,216,.11)}.bmpsc-input input:has(+em){padding-right:68px}.bmpsc-input em{position:absolute;right:10px;max-width:64px;color:var(--muted);font-size:9px;font-style:normal;text-align:right;pointer-events:none}.bmpsc-derived{display:flex;min-height:64px;flex-direction:column;justify-content:center;gap:6px;padding:9px 12px;background:#f5f8fb;border:1px solid var(--line);border-radius:6px}.bmpsc-derived span{color:var(--muted);font-size:10px}.bmpsc-derived strong{font-size:14px}.bmpsc-conditions{display:grid;grid-template-columns:1.35fr 1fr;gap:20px}.bmpsc-conditions>div+div{padding-left:20px;border-left:1px solid var(--line)}.bmpsc h3{margin:0 0 12px;color:var(--teal);font-size:12px}.bmpsc h3 small{float:right;color:var(--muted);font-size:9px;font-weight:500}.bmpsc-note{margin:13px 0 0;color:var(--muted);font-size:10px}.bmpsc-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.bmpsc-toolbar p{margin:0;color:var(--muted);font-size:11px}.bmpsc-toolbar button{padding:6px 10px;border:1px solid #aac7ee;border-radius:5px;background:#fff;color:var(--blue);font-size:10px;font-weight:650;cursor:pointer}.bmpsc-exposure{overflow:hidden;border:1px solid var(--line);border-radius:7px}.bmpsc-exposure-head,.bmpsc-exposure-row{display:grid;grid-template-columns:.8fr 1fr 1fr .8fr;align-items:center;gap:10px;padding:8px 12px}.bmpsc-exposure-head{background:#f2f6fa;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.bmpsc-exposure-row{min-height:45px;border-top:1px solid var(--line);font-size:10px}.bmpsc-exposure-row strong{font-size:11px}.bmpsc-mini{position:relative;display:flex;align-items:center}.bmpsc-mini input{width:100%;height:30px;padding:0 33px 0 8px;border:1px solid #cdd7e2;border-radius:5px}.bmpsc-mini em{position:absolute;right:8px;color:var(--muted);font-size:9px;font-style:normal}.bmpsc-envelope-inputs{margin-top:15px}.bmpsc-roof{display:grid;grid-template-columns:1.2fr repeat(4,minmax(0,1fr));align-items:end;gap:13px;margin-top:15px;padding:13px;background:#f6f9fb;border-radius:7px}.bmpsc-check{min-height:40px;display:flex;align-items:center;gap:8px;font-size:11px;font-weight:650}.bmpsc-check input{width:16px;height:16px;accent-color:var(--blue)}.bmpsc-subtitle{margin-top:18px!important;padding-top:15px;border-top:1px solid var(--line)}.bmpsc-capacity-step{max-width:210px;margin-top:14px}.bmpsc-results{position:sticky;top:20px;padding:22px;background:linear-gradient(155deg,#0b2947,#071d33);border-radius:9px;color:#fff;box-shadow:0 14px 36px rgba(11,31,51,.16)}.bmpsc-result-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.22);font-size:16px;font-weight:750}.bmpsc-result-head b{padding:4px 7px;border:1px solid rgba(21,163,163,.6);border-radius:20px;color:#55dbd6;font-size:8px;text-transform:uppercase}.bmpsc-primary{display:grid;grid-template-columns:auto auto;justify-content:center;align-items:baseline;column-gap:8px;padding:16px 0 14px;text-align:center}.bmpsc-primary strong{font-size:60px;line-height:1;letter-spacing:-.05em}.bmpsc-primary>span{font-size:22px;font-weight:700}.bmpsc-primary small{grid-column:1/-1;margin-top:6px;color:#adc4e2;font-size:20px}.bmpsc-recommended{display:flex;flex-direction:column;align-items:center;padding:15px;border:1px solid #19b6ba;border-radius:7px;background:rgba(11,65,85,.4);text-align:center}.bmpsc-recommended>span{color:#45d1d0;font-size:12px;font-weight:650}.bmpsc-recommended strong{color:#36c5ce;font-size:41px}.bmpsc-recommended strong i{font-style:normal}.bmpsc-recommended strong small{font-size:19px}.bmpsc-recommended em{color:#93adca;font-size:9px;font-style:normal}.bmpsc-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.bmpsc-actions button{min-height:35px;border:1px solid rgba(99,159,213,.42);border-radius:5px;background:rgba(255,255,255,.05);color:#d9e8f5;font-size:9px;font-weight:650;cursor:pointer}.bmpsc-metrics{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:15px 0;overflow:hidden;border:1px solid rgba(255,255,255,.12);border-radius:6px;background:rgba(255,255,255,.1)}.bmpsc-metrics>span{display:flex;flex-direction:column;gap:3px;padding:9px 10px;background:rgba(3,20,36,.58);color:#90a8c3;font-size:9px}.bmpsc-metrics strong{color:#fff;font-size:12px}.bmpsc-breakdown>div{display:flex;justify-content:space-between;margin-bottom:8px;font-size:12px}.bmpsc-breakdown>div small{padding:3px 8px;background:var(--blue);border-radius:4px;font-size:9px}.bmpsc-bar{display:grid;grid-template-columns:82px minmax(60px,1fr) 42px 28px;align-items:center;gap:7px;min-height:24px;font-size:9px}.bmpsc-bar>b{overflow:hidden;height:10px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04)}.bmpsc-bar>b i{display:block;height:100%;background:#2e7aec}.bmpsc-solar>b i{background:#19a5a5}.bmpsc-people>b i{background:#8e65da}.bmpsc-lighting>b i{background:#f47721}.bmpsc-equipment>b i{background:#b558ba}.bmpsc-ventilation>b i{background:#f3b61f}.bmpsc-infiltration>b i{background:#9fb4c9}.bmpsc-other>b i{background:#d35555}.bmpsc-bar>strong{text-align:right}.bmpsc-bar>em{color:#9db2ca;font-size:8px;font-style:normal;text-align:right}.bmpsc-air{display:flex;flex-direction:column;gap:4px;margin-top:14px;padding:11px 12px;border:1px solid rgba(255,255,255,.15);border-radius:6px}.bmpsc-air span{color:#91a9c4;font-size:9px}.bmpsc-air strong{font-size:12px}.bmpsc-warnings{margin-top:12px;padding:10px 12px;border:1px solid rgba(240,150,85,.45);border-radius:6px;background:rgba(147,69,29,.2);color:#f1c9a9;font-size:9px}.bmpsc-warnings strong{color:#ffc191}.bmpsc-warnings p{margin:4px 0}.bmpsc-disclaimer{display:flex;gap:10px;margin-top:12px;padding:11px;border:1px solid rgba(255,255,255,.2);border-radius:6px}.bmpsc-disclaimer>b{display:grid;flex:0 0 19px;width:19px;height:19px;place-items:center;background:var(--blue);border-radius:50%;font-family:serif}.bmpsc-disclaimer p{margin:0;color:#b9c9da;font-size:9px}.bmpsc-disclaimer strong{display:block;color:#fff}.bmpsc-meta{display:grid;grid-template-columns:1.5fr 1fr;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.18)}.bmpsc-meta span{color:#839bb6;font-size:8px}.bmpsc-meta strong{display:block;margin-top:3px;color:#d7e3ee;font-size:9px}.bmpsc-method{margin-top:60px}.bmpsc-method h2{margin:0;color:var(--navy);font-size:34px;letter-spacing:-.035em}.bmpsc-method>div{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:22px}.bmpsc-method article{padding:21px;background:#fff;border:1px solid var(--line);border-radius:9px}.bmpsc-method article>b{display:grid;width:31px;height:31px;place-items:center;background:var(--pale);border-radius:6px;color:var(--blue);font-size:10px}.bmpsc-method article h3{margin:16px 0 7px;color:var(--navy);font-size:15px}.bmpsc-method article span{color:var(--muted);font-size:11px;line-height:1.6}.bmpsc-limit{display:grid;grid-template-columns:.6fr 1.4fr;gap:30px;margin-top:50px;padding:28px 0;border-top:1px solid var(--line)}.bmpsc-limit strong{color:var(--navy);font-size:22px}.bmpsc-limit p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}
@media(max-width:1100px){.bmpsc-workspace{grid-template-columns:1fr}.bmpsc-results{position:relative;top:auto}.bmpsc-grid-6{grid-template-columns:repeat(3,1fr)}.bmpsc-roof{grid-template-columns:repeat(3,1fr)}.bmpsc-check{grid-column:1/-1}}
@media(max-width:720px){.bmpsc{padding:12px}.bmpsc-intro{align-items:flex-start;flex-direction:column}.bmpsc-intro h1,.bmpsc-intro h2{font-size:36px}.bmpsc-intro>b{display:none}.bmpsc summary{padding:10px 14px;font-size:15px}.bmpsc-section{padding:14px}.bmpsc-grid-2,.bmpsc-grid-3,.bmpsc-grid-4,.bmpsc-grid-5,.bmpsc-grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}.bmpsc-span-2{grid-column:1/-1}.bmpsc-conditions{grid-template-columns:1fr}.bmpsc-conditions>div+div{padding:15px 0 0;border:0;border-top:1px solid var(--line)}.bmpsc-exposure-head,.bmpsc-exposure-row{grid-template-columns:.7fr 1fr 1fr}.bmpsc-exposure-head span:last-child,.bmpsc-exposure-row>span:last-child{display:none}.bmpsc-roof{grid-template-columns:repeat(2,1fr)}.bmpsc-method>div{grid-template-columns:1fr}.bmpsc-limit{grid-template-columns:1fr}.bmpsc-results{padding:17px}}
@media(max-width:430px){.bmpsc-grid-2,.bmpsc-grid-3,.bmpsc-grid-4,.bmpsc-grid-5,.bmpsc-grid-6,.bmpsc-roof{grid-template-columns:1fr}.bmpsc-span-2{grid-column:auto}.bmpsc-toolbar{align-items:flex-start;flex-direction:column}.bmpsc-primary strong{font-size:52px}}

.bmpsc-sizetable{overflow:hidden;border:1px solid var(--line);border-radius:7px}
.bmpsc-sizetable-head,.bmpsc-sizetable-row{display:grid;grid-template-columns:.9fr .8fr .8fr 1fr .9fr 1fr;align-items:center;gap:8px;padding:8px 12px}
.bmpsc-sizetable-head{background:#f2f6fa;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.bmpsc-sizetable-row{min-height:38px;border-top:1px solid var(--line);font-size:11px;color:var(--ink)}
.bmpsc-sizetable-row span:first-child{font-weight:700;color:var(--navy)}
.bmpsc-sizetable-row.is-recommended{background:var(--pale)}
.bmpsc-sizetable-row.is-fail span:last-child{color:#b93a3a}
.bmpsc-sizetable-row.is-pass span:last-child{color:#1a8f5c}
.bmpsc-sizetable-row.is-recommended span:last-child{color:var(--blue);font-weight:700}
@media(max-width:1100px){.bmpsc-sizetable-head,.bmpsc-sizetable-row{grid-template-columns:1fr .8fr 1fr 1fr}.bmpsc-sizetable-head span:nth-child(2),.bmpsc-sizetable-row span:nth-child(2){display:none}}
@media(max-width:720px){.bmpsc-sizetable-head,.bmpsc-sizetable-row{grid-template-columns:1.1fr 1fr 1fr 1fr}.bmpsc-sizetable-head span:nth-child(2),.bmpsc-sizetable-row span:nth-child(2),.bmpsc-sizetable-head span:nth-child(5),.bmpsc-sizetable-row span:nth-child(5){display:none}}