:root{--ink:#162238;--muted:#66758a;--line:#d8e2ef;--bg:#f4f7fb;--blue:#2459d8;--solar:#e58a08;--ok:#16845b;--danger:#c43b32;--warn:#a66b00}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 Inter,Segoe UI,Arial,sans-serif}.app{max-width:1780px;margin:auto;padding:14px}.hero{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:10px}.hero h1{margin:2px 0 5px;font-size:29px}.hero p{margin:0;color:var(--muted)}.eyebrow{text-transform:uppercase;font-size:10px;font-weight:900;letter-spacing:.1em;color:var(--blue)}.hero-actions{display:flex;gap:8px;flex-wrap:wrap}.btn{border:1px solid #c8d6e8;background:#fff;border-radius:9px;padding:9px 12px;font-weight:800;color:var(--ink);cursor:pointer}.btn:hover{border-color:#9db0ca}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.solar{background:var(--solar);border-color:var(--solar);color:#fff}.btn.small{padding:7px 9px;font-size:12px}.btn.active{box-shadow:0 0 0 3px rgba(36,89,216,.15);border-color:var(--blue)}.btn.danger{color:#a92d27}.dirty{padding:8px 11px;margin-bottom:10px;border-radius:9px;background:#eaf8f1;color:#126746;font-weight:800}.dirty.on{background:#fff4dc;color:#825b08}.steps{display:flex;gap:6px;margin:0 0 10px;flex-wrap:wrap}.step{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:900;color:#52647c;cursor:pointer}.step.active{background:#eaf0ff;border-color:#9bb6f0;color:#1649bd}.layout{display:grid;grid-template-columns:430px minmax(0,1fr);gap:12px}.controls{display:block}.tab-panel{display:none}.tab-panel.active{display:block}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 8px 25px rgba(31,52,83,.035);margin-bottom:12px}.card h2{margin:0 0 10px;font-size:17px}.card hr{border:0;border-top:1px solid var(--line);margin:14px 0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}.fields label{display:grid;gap:4px;font-size:11px;font-weight:800;color:#4b5d77}.fields input,.fields select,.card input,.card select{width:100%;border:1px solid #cad7e7;border-radius:8px;padding:9px 10px;background:#fff;color:var(--ink)}.fields small,.help{font-size:10px;color:var(--muted);font-weight:500}.tools{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}.work{display:grid;gap:12px;align-content:start}.canvas-card{padding:0;overflow:hidden}.canvas-head,.pvgis-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}.canvas-head h2,.pvgis-head h2{margin:0}.canvas-head p,.pvgis-head p{margin:2px 0 0;color:var(--muted);font-size:11px}.badge{display:inline-flex;padding:5px 8px;border-radius:999px;background:#edf3ff;color:#2459d8;font-size:10px;font-weight:900}.badge.muted{background:#f0f2f5;color:#65748a}#roof{display:block;width:100%;height:min(64vh,680px);min-height:500px;cursor:crosshair;background:#eef4f9;touch-action:none}.legend{display:flex;gap:14px;padding:9px 14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.legend i{display:inline-block;width:13px;height:13px;border-radius:3px;margin-right:4px;vertical-align:-2px}.legend .roof{background:#98d3ad}.legend .forbid{background:#ef9a94}.legend .panel{background:#3b74d8}.summary{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-top:12px}.summary>div{border:1px solid var(--line);border-radius:10px;padding:9px;background:#fbfdff}.summary span{display:block;font-size:10px;color:var(--muted)}.summary b{font-size:18px}.summary.big{grid-template-columns:repeat(4,1fr);padding:12px 14px;margin:0}.summary.big b{font-size:22px}.summary.mini b{font-size:16px}.pvgis{padding:0}.months{display:grid;grid-template-columns:repeat(12,1fr);gap:5px;padding:4px 14px 13px;align-items:end;min-height:155px}.month{display:grid;align-items:end;gap:4px;height:130px}.month i{display:block;background:linear-gradient(#f5b34b,#e58a08);border-radius:5px 5px 2px 2px;min-height:3px}.month span{text-align:center;font-size:9px;color:var(--muted)}.month b{text-align:center;font-size:9px}.pvgis-help{padding:0 14px 13px}.library-box{border:1px solid #d9e4f2;background:#f8fbff;border-radius:10px;padding:10px;margin-bottom:10px}.library-head{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:8px}.file-zone{display:grid;gap:5px;border:1px dashed #aebfd4;border-radius:10px;padding:10px;margin-top:10px;font-size:11px;font-weight:800;color:#4b5d77}.file-zone input{padding:5px;border:0}.file-zone span{font-size:10px;color:var(--muted);font-weight:500}.estimate-table{display:grid;gap:4px}.est-head,.est-row{display:grid;grid-template-columns:minmax(120px,2fr) 65px 85px 90px 28px;gap:5px;align-items:center}.est-head{font-size:10px;font-weight:900;color:#65748a;padding:0 3px}.est-row input{padding:7px 6px;font-size:11px}.est-total{text-align:right;font-size:11px}.icon-danger{border:0;background:#fff1ef;color:#b12e27;border-radius:7px;width:26px;height:28px;font-size:18px;cursor:pointer}.economy-fields{margin-top:12px}.notice{padding:10px;border-left:4px solid var(--blue);background:#f1f5ff;border-radius:0 8px 8px 0;margin-bottom:10px;font-size:11px}.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.check{display:flex;justify-content:space-between;gap:10px;border:1px solid var(--line);border-left-width:4px;border-radius:9px;padding:9px}.check.ok{border-left-color:#25a26d}.check.warn{border-left-color:#e6a21a}.check.bad{border-left-color:#c43b32}.check span{color:var(--muted);font-size:11px;text-align:right}.disclaimer{margin-top:12px;background:#fff8e8;border:1px solid #ecd497;padding:11px;border-radius:9px;font-size:11px}.disclaimer a{font-weight:800}.result .summary b{font-size:20px}@media(max-width:1100px){.layout{grid-template-columns:1fr}.controls{order:1}.work{order:2}#roof{height:580px}.tab-panel{display:none}.tab-panel.active{display:block}}@media(max-width:700px){.app{padding:8px}.hero{display:block}.hero-actions{margin-top:8px}.fields{grid-template-columns:1fr}.summary.big{grid-template-columns:1fr 1fr}.months{grid-template-columns:repeat(6,1fr)}#roof{min-height:430px;height:55vh}.est-head{display:none}.est-row{grid-template-columns:1fr 68px 82px 80px 28px}.checks{grid-template-columns:1fr}}