/* SERIES VS PARALLEL SOLAR CALCULATOR | USCalculators.com | Page 1099
   Accent: --sp:#0284C7 (sky-600) | Series + Parallel + Hybrid + Controller Check + Shading */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Inter:wght@400;500;600&display=swap');
:root{--navy:#002868;--navy-dark:#00183F;--navy-mid:#003580;--red:#BF0A30;--green:#00875A;--sp:#0284C7;--sp-dark:#0369A1;--sp-deep:#0C4A6E;--sp-light:#F0F9FF;--sp-border:#BAE6FD;--sp-green:#15803D;--sp-green-l:#F0FDF4;--sp-green-b:#86EFAC;--sp-amber:#D97706;--sp-amber-l:#FFFBEB;--sp-amber-b:#FDE68A;--sp-red:#DC2626;--sp-red-l:#FEF2F2;--sp-red-b:#FECACA;--sp-violet:#7C3AED;--sp-violet-l:#F5F3FF;--sp-violet-b:#DDD6FE;--white:#fff;--charcoal:#1D1D1F;--gray-text:#5F6368;--border:#E0E4E8;--bg-light:#F7F9FC;--shadow-sm:0 1px 4px rgba(0,0,0,.08);--shadow-md:0 4px 20px rgba(0,0,0,.12)}
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.form-row label{display:block;font-size:12.5px;font-weight:700;color:var(--charcoal);margin-bottom:5px}
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.section-lbl:first-child{margin-top:0}
.info-pill{border-radius:8px;padding:8px 11px;margin-bottom:10px;font-size:11.5px;font-weight:600;line-height:1.5}
.info-pill.sky{background:var(--sp-light);border:1px solid var(--sp-border);color:var(--sp-deep)}
.info-pill.green{background:var(--sp-green-l);border:1px solid var(--sp-green-b);color:#14532D}
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.info-pill.violet{background:var(--sp-violet-l);border:1px solid var(--sp-violet-b);color:var(--sp-violet)}
.cfg-tabs{display:flex;gap:4px;margin-bottom:14px}
.cfg-tab{flex:1;padding:9px 8px;border:2px solid var(--border);border-radius:8px;background:var(--white);font-family:'Montserrat',sans-serif;font-size:10.5px;font-weight:700;color:var(--gray-text);cursor:pointer;transition:all .2s;text-align:center;line-height:1.3}
.cfg-tab:hover{border-color:var(--sp-dark);color:var(--sp-dark)}
.cfg-tab.active{background:var(--sp-deep);border-color:var(--sp-deep);color:var(--white)}
.hybrid-row{display:none;grid-template-columns:1fr 1fr;gap:10px}
.hybrid-row.show{display:grid}
.sp-actions{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.btn-calc{flex:2;min-width:130px;padding:13px 16px;background:linear-gradient(135deg,var(--sp-deep),var(--sp-dark));color:var(--white);border:none;border-radius:9px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:13.5px;cursor:pointer;transition:opacity .2s,transform .15s;display:flex;align-items:center;justify-content:center;gap:7px}
.btn-calc:hover{opacity:.88;transform:translateY(-1px)}
.btn-pdf{flex:1;min-width:100px;padding:13px;background:var(--navy);color:var(--white);border:none;border-radius:9px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:12.5px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px}
.btn-pdf:hover{background:var(--navy-mid)}
.btn-wa{flex:1;min-width:100px;padding:13px;background:#25D366;color:var(--white);border:none;border-radius:9px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:12.5px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px}
.btn-wa:hover{background:#1ebe5a}
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.sp-results{padding:28px;background:var(--white);overflow-y:auto}
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.empty-icon{width:64px;height:64px;border-radius:16px;background:var(--bg-light);border:1.5px dashed var(--border);display:flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:14px}
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.result-hero-val small{font-size:13px;font-weight:600;color:rgba(255,255,255,.55)}
.result-hero-sub{font-size:11px;color:rgba(255,255,255,.42);margin-top:5px;line-height:1.5}
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.cmp-card{border-radius:12px;padding:14px;border:2px solid}
.cmp-s{background:var(--sp-light);border-color:var(--sp-border)}
.cmp-p{background:var(--sp-green-l);border-color:var(--sp-green-b)}
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.cmp-title{font-family:'Montserrat',sans-serif;font-size:11px;font-weight:800;margin-bottom:9px;text-transform:uppercase;letter-spacing:.5px}
.cmp-s .cmp-title{color:var(--sp-deep)}.cmp-p .cmp-title{color:var(--sp-green)}.cmp-h .cmp-title{color:var(--sp-violet)}
.cmp-row{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid rgba(0,0,0,.06)}
.cmp-row:last-child{border-bottom:none}
.cmp-row .cl{font-size:11px;font-weight:600;color:var(--charcoal)}
.cmp-row .cv{font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:800}
.cmp-s .cv{color:var(--sp-deep)}.cmp-p .cv{color:var(--sp-green)}.cmp-h .cv{color:var(--sp-violet)}
.detail-box{border:2px solid;border-radius:12px;padding:13px;margin-bottom:12px}
.b-sky{background:var(--sp-light);border-color:var(--sp-border)}
.b-green{background:var(--sp-green-l);border-color:var(--sp-green-b)}
.b-amber{background:var(--sp-amber-l);border-color:var(--sp-amber-b)}
.b-red{background:var(--sp-red-l);border-color:var(--sp-red-b)}
.b-violet{background:var(--sp-violet-l);border-color:var(--sp-violet-b)}
.detail-box .dt{font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:800;margin-bottom:9px}
.b-sky .dt{color:var(--sp-deep)}.b-green .dt{color:var(--sp-green)}.b-amber .dt{color:var(--sp-amber)}.b-red .dt{color:var(--sp-red)}.b-violet .dt{color:var(--sp-violet)}
.d-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid rgba(0,0,0,.06)}
.d-row:last-child{border-bottom:none}
.d-row .dl{font-size:12px;color:var(--charcoal);font-weight:600}
.d-row .dv{font-family:'Montserrat',sans-serif;font-size:13px;font-weight:900}
.b-sky .dv{color:var(--sp-deep)}.b-green .dv{color:var(--sp-green)}.b-amber .dv{color:var(--sp-amber)}.b-red .dv{color:var(--sp-red)}.b-violet .dv{color:var(--sp-violet)}
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.compat-ok{background:var(--sp-green-l);color:var(--sp-green);border:1.5px solid var(--sp-green-b)}
.compat-warn{background:var(--sp-amber-l);color:var(--sp-amber);border:1.5px solid var(--sp-amber-b)}
.compat-bad{background:var(--sp-red-l);color:var(--sp-red);border:1.5px solid var(--sp-red-b)}
.diagram-wrap{background:var(--bg-light);border:1.5px solid var(--border);border-radius:12px;padding:14px;margin-bottom:12px}
.diagram-wrap h3{font-family:'Montserrat',sans-serif;font-size:12px;font-weight:800;color:var(--navy-mid);margin-bottom:10px}
.diagram-wrap svg{width:100%;height:auto;display:block}
.chart-wrap{background:var(--white);border:1.5px solid var(--border);border-radius:12px;padding:14px;margin-bottom:12px}
.chart-wrap h3{font-family:'Montserrat',sans-serif;font-size:12px;font-weight:800;color:var(--navy-mid);margin-bottom:8px}
.chart-wrap canvas{max-height:180px;width:100% !important}
.sp-article{max-width:760px;margin:52px auto 0}
.sp-article h2{font-family:'Montserrat',sans-serif;font-size:clamp(20px,2.5vw,26px);font-weight:800;color:var(--navy);line-height:1.25;margin:44px 0 14px}
.sp-article h2:first-child{margin-top:0}
.sp-article h3{font-family:'Montserrat',sans-serif;font-size:17px;font-weight:700;color:var(--navy-mid);margin:24px 0 10px}
.sp-article p{font-size:15.5px;color:var(--gray-text);line-height:1.82;margin-bottom:14px}
.sp-article ul{margin:10px 0 14px 24px}
.sp-article li{font-size:15.5px;color:var(--gray-text);line-height:1.78;margin-bottom:6px}
.sp-article strong{color:var(--charcoal)}
.sp-article a{color:var(--navy);text-decoration:underline;text-underline-offset:2px}
.sp-article a:hover{color:var(--sp-dark)}
.sp-box{background:var(--sp-light);border-left:4px solid var(--sp);border-radius:0 9px 9px 0;padding:14px 18px;margin:18px 0;font-size:14.5px;color:var(--charcoal);line-height:1.78}
.example-card{background:var(--white);border:1.5px solid var(--border);border-radius:13px;overflow:hidden;margin:18px 0;box-shadow:var(--shadow-sm)}
.example-card-header{padding:14px 18px;display:flex;align-items:center;gap:11px;background:linear-gradient(135deg,var(--sp-deep),var(--sp-dark))}
.ex-icon{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.example-card-header h3{font-family:'Montserrat',sans-serif;font-size:15px;font-weight:800;color:var(--white) !important;margin:0;line-height:1.2}
.example-loc{font-size:11px;color:rgba(255,255,255,.5);margin-top:2px}
.example-body{padding:18px}
.example-desc{font-size:14px;color:var(--gray-text);line-height:1.75;margin-bottom:12px}
.ex-table{width:100%;border-collapse:collapse;font-size:13.5px;margin:10px 0}
.ex-table th{background:var(--bg-light);color:var(--navy-mid);font-weight:700;padding:8px 12px;text-align:left;border:1px solid var(--border)}
.ex-table td{padding:8px 12px;border:1px solid var(--border);color:var(--charcoal)}
.ex-table .td-s{color:var(--sp-deep);font-weight:700}
.ex-table .td-p{color:var(--sp-green);font-weight:700}
.example-result{background:rgba(2,132,199,.07);border:1.5px solid rgba(2,132,199,.25);border-radius:9px;padding:11px 14px;font-size:13.5px;color:var(--sp-deep);font-weight:600;margin-top:10px}
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.tip-card{background:var(--white);border:1.5px solid var(--border);border-radius:12px;padding:18px 16px;position:relative;transition:box-shadow .2s}
.tip-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--sp);border-radius:12px 12px 0 0}
.tip-card:hover{box-shadow:var(--shadow-md)}
.tip-num{width:26px;height:26px;border-radius:50%;background:var(--sp-dark);color:var(--white);font-family:'Montserrat',sans-serif;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:9px}
.tip-body h3{font-family:'Montserrat',sans-serif;font-size:14px;font-weight:800;color:var(--sp-dark) !important;margin:0 0 7px}
.tip-body p{font-size:13px;color:var(--gray-text);line-height:1.7;margin:0}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.faq-item{border:1.5px solid var(--border);border-radius:10px;overflow:hidden}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;cursor:pointer;gap:10px;font-family:'Montserrat',sans-serif;font-size:13px;font-weight:700;color:var(--navy);transition:background .2s;user-select:none}
.faq-q:hover{background:var(--bg-light)}
.faq-q.open{background:var(--sp-deep);color:var(--white)}
.faq-icon{width:20px;height:20px;border:2px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;transition:all .2s}
.faq-q.open .faq-icon{background:var(--white);border-color:var(--white);color:var(--sp-dark)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;font-size:14px;color:var(--gray-text);line-height:1.75;padding:0 16px}
.faq-a.open{max-height:600px;padding:12px 16px 15px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.related-card{background:var(--white);border:1.5px solid var(--border);border-radius:11px;padding:14px 12px;text-align:center;text-decoration:none;transition:all .2s;display:block}
.related-card:hover{border-color:var(--sp);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.related-icon{font-size:22px;margin-bottom:7px;display:block}
.related-name{font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:700;color:var(--navy);line-height:1.3;display:block}
.related-card:hover .related-name{color:var(--sp-dark)}
.related-desc{font-size:11px;color:var(--gray-text);margin-top:3px;display:block}
.disclaimer-box{background:var(--bg-light);border:1px solid var(--border);border-radius:10px;padding:24px;margin-top:36px;font-size:13.5px;color:var(--gray-text);line-height:1.75}
.disclaimer-box h2{font-family:'Montserrat',sans-serif;font-size:19px;font-weight:800;color:var(--navy);margin:0 0 12px}
.disclaimer-box a{color:var(--navy);text-decoration:underline}
html,body{width:100% !important;max-width:100% !important;overflow-x:hidden !important;-webkit-text-size-adjust:100%}
.sp-wrapper,.sp-wrapper *{min-width:0 !important;box-sizing:border-box !important}
.sp-wrapper input,.sp-wrapper select{font-size:16px}
@media(max-width:600px){.sp-grid{grid-template-columns:1fr !important}.sp-inputs{border-right:none;border-bottom:1.5px solid var(--border)}}
@media(max-width:768px){.compare-grid{grid-template-columns:1fr}.tips-grid{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.ex-table{display:block;overflow-x:auto}}
@media(max-width:600px){.sp-page{padding:20px 14px 56px}.sp-hero{padding:28px 18px 36px}.sp-inputs,.sp-results{padding:20px 14px}.row-2col,.row-3col{grid-template-columns:1fr}.cfg-tabs{flex-wrap:wrap}.sp-actions{display:grid !important;grid-template-columns:1fr 1fr;gap:8px !important}.btn-calc{grid-column:1/-1}.btn-calc,.btn-pdf,.btn-wa{min-width:0 !important;width:100% !important;font-size:12px;padding:12px 8px}}
@media(max-width:480px){.sp-hero h1{font-size:21px !important}.result-hero-val{font-size:24px}.related-grid{grid-template-columns:1fr 1fr}}
.sp-page{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}