:root{--primary:#071d49;--secondary:#0b4dbb;--accent:#ffc400;--bg:#f3f6fb;--card:#fff;--text:#172033;--muted:#6d7890;--line:#dce5f2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Tahoma,Arial,sans-serif;line-height:1.8}a{text-decoration:none;color:inherit}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}header{height:78px;background:#061a40;color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #17345f}.nav{height:100%;display:flex;align-items:center;gap:24px}.logo{display:flex;flex-direction:column;line-height:1;min-width:150px}.logo b{font-size:20px;letter-spacing:1px}.logo small{color:var(--accent);font-weight:bold;font-size:10px}.nav nav{display:flex;justify-content:center;gap:20px;flex:1;font-size:13px}.nav nav a{padding:27px 0;border-bottom:3px solid transparent;opacity:.85}.nav nav a:hover,.nav nav .on{color:var(--accent);opacity:1;border-color:var(--accent)}.tel{border:1px solid #506487;padding:6px 11px;border-radius:10px;font-size:12px;white-space:nowrap}.hero{background:radial-gradient(circle at 15% 55%,#0b52b7,transparent 33%),linear-gradient(135deg,#04142e,#082d68);color:#fff}.heroGrid{min-height:540px;display:grid;grid-template-columns:1fr 1fr;align-items:center}.hero h1{font-size:52px;line-height:1.3;margin:5px 0 15px}.hero em{font-style:normal;color:var(--accent)}.hero i,.head i,.center i,.cta i{font-style:normal;color:var(--accent);font-weight:bold}.hero p{color:#d3e0f5;max-width:560px}.btn{display:inline-block;border:0;border-radius:11px;padding:11px 22px;font-weight:bold;cursor:pointer;font-family:inherit}.yellow{background:var(--accent);color:#071d49}.trust{font-size:11px;color:#b9c9e4;margin-top:22px}.art{height:440px;position:relative}.ring{position:absolute;width:360px;height:360px;border:2px solid #167bd5;border-radius:50%;top:35px;right:45px;box-shadow:0 0 80px #1268b8}.ups{position:absolute;background:linear-gradient(145deg,#2c3b4a,#0a1018);border:1px solid #5c718a;color:#5eafff;border-radius:8px;box-shadow:0 20px 45px #0008;text-align:center;padding-top:25px}.u1{width:145px;height:285px;right:150px;top:90px}.u2{width:120px;height:230px;right:35px;top:145px}.bat{position:absolute;background:linear-gradient(#edf1f3,#aeb8c0);border:3px solid #2d3740;border-radius:8px;color:#0673b7;width:185px;height:105px;text-align:center;padding-top:24px;z-index:3;box-shadow:0 15px 30px #0006}.bat:before{content:'';position:absolute;left:25px;right:25px;top:-9px;height:12px;background:#222;border-radius:3px}.b1{right:280px;bottom:35px}.b2{right:110px;bottom:10px}.bat b{display:block;font-size:19px}.bat small{color:#143b61;font-weight:bold}.bolt{position:absolute;right:240px;top:165px;color:#ffd000;font-size:80px;text-shadow:0 0 25px #168cff;z-index:4}.quick{margin-top:-35px;position:relative;z-index:5}.qgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.qgrid>a{background:linear-gradient(135deg,#07275a,#0a3d86);border:1px solid #2767b6;border-radius:18px;padding:22px;color:#fff;display:grid;grid-template-columns:50px 1fr;gap:12px;box-shadow:0 15px 40px #071d4920}.qgrid strong{font-size:30px;color:var(--accent)}.qgrid .cyan{color:#5de1d4}.qgrid h3{margin:0;font-size:18px}.qgrid p{margin:3px 0;color:#c6d6ee;font-size:11px}.qgrid span{grid-column:2;border:1px solid #659cf0;border-radius:8px;padding:4px 9px;width:max-content;font-size:10px}.section{padding:78px 0}.head{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:26px}.head h2,.center h2{margin:3px 0;font-size:30px;color:var(--primary)}.head p{margin:0;color:var(--muted);font-size:12px}.outline{border:1px solid var(--secondary);color:var(--secondary);padding:7px 13px;border-radius:9px;font-size:12px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:13px}.pic{height:160px;background:#eef3f9;border-radius:11px;display:grid;place-items:center}.device{width:92px;height:125px;background:linear-gradient(145deg,#293a4a,#0a1118);border-radius:7px}.battery{width:145px;height:78px;background:linear-gradient(#eef2f4,#abb6bf);border:3px solid #303a42;border-radius:7px;text-align:center;padding-top:18px;color:#0673b7;font-weight:bold}.panel{width:125px;height:88px;background:repeating-linear-gradient(90deg,#0b326b 0 9px,#1a67aa 9px 10px),repeating-linear-gradient(0deg,transparent 0 9px,#ffffff44 9px 10px);transform:skewY(-7deg);border:4px solid #d7e1eb}.card h3{font-size:14px;margin:10px 0 2px}.card p{font-size:11px;color:var(--muted);margin:0}.tag{font-size:9px;background:#edf4ff;color:var(--secondary);padding:3px 7px;border-radius:15px}.dark{background:linear-gradient(135deg,#061a40,#082f6b);color:#fff}.center{text-align:center;margin-bottom:30px}.center h2{color:#fff}.why{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;text-align:center}.why div{padding:15px;font-size:28px;color:var(--accent)}.why b{display:block;color:#fff;font-size:14px}.why p{font-size:10px;color:#bed0ea;margin:0}.guide{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;display:grid;grid-template-columns:1fr 1.2fr;gap:20px}.form{background:#f7f9fd;border-radius:15px;padding:18px}.form h3{font-size:15px}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form label,.solarForm label{font-size:11px;color:#526078}.form input,.form select,.solarForm input,.solarForm select{width:100%;padding:9px;border:1px solid #d2dce9;border-radius:8px;background:#fff;font-family:inherit;margin-top:5px}.choices{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-bottom:15px}.choices button{border:1px solid #ccd8e8;background:#fff;border-radius:8px;padding:7px;font-family:inherit;font-size:10px;cursor:pointer}.choices .sel,.choices button:hover{border-color:var(--secondary);color:var(--secondary);background:#edf4ff}.full{width:100%}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metrics>div{background:#f6f8fc;padding:13px;text-align:center;border-radius:12px}.metrics small{display:block;color:var(--muted);font-size:10px}.metrics b{font-size:20px;color:var(--primary)}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:16px}.sug{border:1px solid #d4deec;border-radius:13px;padding:12px}.sug.best{border:2px solid var(--accent)}.sug small{color:var(--secondary);font-size:9px}.sug h4{font-size:13px;margin:4px 0}.sug p{font-size:10px;color:var(--muted);margin:3px 0}.empty{text-align:center;color:#8c97aa;padding:70px 5px;font-size:12px}.solar{background:#eef4fb}.solarBox{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:22px}.solarForm{display:grid;grid-template-columns:1fr 1fr;gap:10px}.solarForm button{grid-column:1/-1}.solarResult{background:linear-gradient(135deg,#071d49,#0b4c9e);border-radius:14px;color:#fff;padding:22px}.solarResult h3{margin-top:0}.solarMetrics{display:grid;grid-template-columns:1fr 1fr;gap:9px}.solarMetric{background:#ffffff12;padding:12px;border-radius:10px}.solarMetric small{display:block;color:#b9cbe3;font-size:9px}.solarMetric b{font-size:21px;color:var(--accent)}.solarResult p{font-size:9px;color:#c4d5eb}.articleGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.article{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.cover{height:115px;background:linear-gradient(135deg,#092d67,#1683ce);display:grid;place-items:center;color:#fff;font-size:40px}.article div:last-child{padding:13px}.article h3{font-size:13px;margin:0 0 5px}.article p{font-size:10px;color:var(--muted);margin:0}.article time{display:block;color:var(--secondary);font-size:9px;margin-top:8px}.cta{background:linear-gradient(100deg,#0755b5,#092d70);color:#fff;padding:34px 0}.ctaIn{display:flex;justify-content:space-between;align-items:center}.cta h2{margin:2px 0}.cta p{margin:0;color:#c5d8f0;font-size:12px}footer{background:#04142f;color:#d7e2f4;padding-top:48px}.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:25px;padding-bottom:30px}.foot h4{color:#fff}.foot a,.foot p{display:block;font-size:11px;color:#aebed7;margin:5px 0}.copy{text-align:center;border-top:1px solid #ffffff16;padding:13px;font-size:9px;color:#8195b5}@media(max-width:850px){.nav nav{display:none}.heroGrid,.guide,.solarBox{grid-template-columns:1fr}.art{height:350px}.cards,.articleGrid{grid-template-columns:repeat(2,1fr)}.why{grid-template-columns:repeat(3,1fr)}.qgrid{grid-template-columns:1fr}.foot{grid-template-columns:1fr 1fr}.hero h1{font-size:40px}}@media(max-width:520px){.cards,.articleGrid,.why,.row,.choices,.metrics,.suggestions,.solarForm,.solarMetrics{grid-template-columns:1fr}.foot{grid-template-columns:1fr}.head,.ctaIn{align-items:flex-start;flex-direction:column}.tel{display:none}.hero h1{font-size:34px}}

/* v2 fixes */
.hint{font-size:10px;color:var(--muted);font-weight:normal;margin-right:8px}.equipment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:10px}.equip{border:1px solid #d2dce9;background:#fff;border-radius:10px;padding:10px 6px;cursor:pointer;font-family:inherit;color:var(--text);display:flex;flex-direction:column;align-items:center;gap:2px;transition:.15s}.equip b{font-size:22px;color:var(--secondary)}.equip span{font-size:10px;font-weight:bold}.equip small{font-size:8px;color:var(--muted)}.equip.active{border-color:var(--secondary);background:#edf4ff;box-shadow:0 0 0 2px #0b4dbb22}.selected-load{display:flex;justify-content:space-between;align-items:center;background:#eef4fb;border-radius:9px;padding:8px 10px;margin-bottom:12px;font-size:10px;color:var(--muted)}.selected-load b{color:var(--primary);font-size:15px}.admin .admin-panel{width:auto;height:auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;display:none;transform:none;box-shadow:none;color:var(--text)}.admin .admin-panel.active{display:block}.admin .themeGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}@media(max-width:850px){.equipment-grid{grid-template-columns:repeat(2,1fr)}.admin .themeGrid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.equipment-grid{grid-template-columns:repeat(2,1fr)}.admin .themeGrid{grid-template-columns:1fr}}
/* v3 admin + smart selector */
.admin{padding:45px 0 80px}.admin-note{font-size:12px;color:var(--muted)}.admin-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.admin-head h2{margin:0}.admin-panel{display:none;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}.admin-panel.active{display:block}.item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid #edf1f6}.item h3{margin:0 0 3px;font-size:14px}.item p,.item small{margin:2px 0;color:var(--muted);font-size:10px}.small{border:1px solid var(--line);background:#fff;border-radius:7px;padding:6px 10px;font-family:inherit;cursor:pointer}.del{color:#b52f2f}.themeGrid,.engineGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.themeGrid label,.engineGrid label{border:1px solid var(--line);padding:12px;border-radius:10px;font-size:11px;background:#fafcff}.themeGrid input{width:100%;height:42px;margin-top:6px}.engineGrid input,.engineGrid select{width:100%;margin-top:6px;padding:9px;border:1px solid #d2dce9;border-radius:8px;background:#fff;font-family:inherit}.presets{margin:22px 0}.presets button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 12px;font-family:inherit;margin:4px;cursor:pointer}.engineRules{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:20px 0}.engineRules div{padding:14px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc}.engineRules b{display:block;color:var(--secondary);font-size:12px}.engineRules span{display:block;color:var(--muted);font-size:10px;margin-top:4px}.modal{position:fixed;inset:0;background:#04142fcc;display:none;align-items:center;justify-content:center;padding:20px;z-index:100}.modal.open{display:flex}.modal-card{width:min(760px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:18px;padding:24px;position:relative;box-shadow:0 25px 80px #0006}.modal-close{position:absolute;left:15px;top:12px;border:0;background:#eef2f7;border-radius:50%;width:34px;height:34px;font-size:22px;cursor:pointer}.modal-card h2{margin-top:0;color:var(--primary)}.modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.modal-grid label{font-size:11px;color:#526078}.modal-grid .wide{grid-column:1/-1}.modal-grid input,.modal-grid select,.modal-grid textarea{display:block;width:100%;margin-top:5px;padding:10px;border:1px solid #d2dce9;border-radius:9px;font-family:inherit;background:#fff}.modal-grid textarea{min-height:110px;resize:vertical}.modal-actions{display:flex;justify-content:flex-start;gap:8px;margin-top:18px}.ghost{background:#fff;border:1px solid var(--line)}.emptyAdmin{padding:30px;text-align:center;color:var(--muted)}body.modal-open{overflow:hidden}
/* Equipment picker */
.equip-summary{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#edf4ff;border:1px solid #d6e5f9;padding:10px 12px;border-radius:10px;margin-bottom:12px}.equip-summary b{color:var(--primary)}.equip-summary small{color:var(--muted)}.equip-open{width:100%;border:1px dashed var(--secondary);background:#fff;color:var(--secondary);border-radius:10px;padding:10px;font-family:inherit;font-weight:bold;cursor:pointer}.equipment-preview{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px;min-height:24px}.equipment-chip{background:#eef4fb;border-radius:20px;padding:4px 8px;font-size:9px;color:var(--primary)}.equip-modal-title{margin-bottom:5px}.equip-modal-sub{font-size:11px;color:var(--muted);margin-top:0}.equip-search{width:100%;padding:10px;border:1px solid #d2dce9;border-radius:9px;font-family:inherit;margin:8px 0 12px}.equip-category{margin:12px 0}.equip-category h4{margin:0 0 7px;color:var(--secondary);font-size:12px}.equip-list{display:grid;grid-template-columns:1fr 1fr;gap:7px}.equip-option{display:flex;align-items:center;gap:8px;border:1px solid #dce5f2;border-radius:9px;padding:8px;background:#fff}.equip-option input{accent-color:var(--secondary)}.equip-option .eq-icon{font-size:19px}.equip-option .eq-name{font-size:10px;font-weight:bold;flex:1}.equip-option .eq-w{font-size:9px;color:var(--muted)}.equip-option.selected{border-color:var(--secondary);background:#edf4ff}.equip-modal-actions{display:flex;justify-content:space-between;align-items:center;margin-top:15px;padding-top:12px;border-top:1px solid var(--line)}
@media(max-width:850px){.themeGrid,.engineGrid{grid-template-columns:1fr 1fr}.modal-grid{grid-template-columns:1fr}.modal-grid .wide{grid-column:auto}.equip-list{grid-template-columns:1fr}}@media(max-width:520px){.admin-head,.item{align-items:stretch;flex-direction:column}.themeGrid,.engineGrid,.engineRules{grid-template-columns:1fr}}
.solar-panel-art{width:125px;height:88px;background:repeating-linear-gradient(90deg,#0b326b 0 9px,#1a67aa 9px 10px),repeating-linear-gradient(0deg,transparent 0 9px,#ffffff44 9px 10px);transform:skewY(-7deg);border:4px solid #d7e1eb}.warning{color:#9a6500!important;font-weight:bold}


/* V4 content editor + SEO */
.rich-editor{border:1px solid #cbd5e1;border-radius:14px;background:#fff;overflow:hidden}.editor-toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:9px;border-bottom:1px solid #e5e7eb;background:#f8fafc}.editor-toolbar button{min-width:34px;height:34px;border:1px solid #dbe2ea;border-radius:8px;background:#fff;cursor:pointer;font-weight:700}.editor-toolbar button:hover{border-color:var(--secondary)}.editor-content{min-height:230px;padding:16px;outline:none;line-height:2;font-size:15px}.editor-content:empty:before{content:'متن مقاله را اینجا بنویسید...';color:#94a3b8}.editor-content img{max-width:100%;height:auto;border-radius:12px}.article-image-preview{margin-top:8px;display:flex;gap:12px;align-items:center}.article-image-preview img{width:110px;height:75px;object-fit:cover;border-radius:10px;border:1px solid #ddd}.seo-box{border:1px solid #dbe3ef;border-radius:14px;padding:14px;background:#f8fafc}.seo-box h4{margin:0 0 10px}.seo-preview{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:12px}.seo-preview .seo-blue{color:#1a0dab;font-size:17px}.seo-preview .seo-green{color:#188038;font-size:12px}.seo-preview .seo-gray{color:#475569;font-size:13px}.seo-score{font-weight:700}.seo-score.good{color:#15803d}.seo-score.warn{color:#b45309}.tag-input{min-height:42px}.seoChecklist{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px;margin:18px 0}.seoChecklist span,.seoChecklist b{padding:10px 12px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px}.modal-card{max-height:92vh;overflow:auto}.modal-grid .wide .rich-editor{grid-column:1/-1}.modal-grid .wide .seo-box{grid-column:1/-1}@media(max-width:700px){.editor-toolbar{gap:4px}.editor-content{min-height:180px}.seoChecklist{grid-template-columns:1fr}}
.pic img{max-width:100%;max-height:150px;object-fit:contain;border-radius:10px}.cover img{width:100%;height:100%;object-fit:cover}.article-single{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}.article-single h1{font-size:30px;color:var(--primary);margin:8px 0}.article-single time{display:block;color:var(--secondary);font-size:11px;margin-bottom:16px}.article-single>img{max-width:100%;height:auto;border-radius:14px;margin-bottom:18px}.article-single .content{font-size:15px;line-height:2.2}.article-single .content h2,.article-single .content h3{color:var(--primary)}.article-single a{color:var(--secondary)}.article-single .article-tags{margin-top:18px}