:root{color-scheme:light;--color-background: #f7f8f4;--color-panel: #ffffff;--color-surface: #eef3ed;--color-heading: #142019;--color-text: #25342b;--color-muted: #627267;--color-border: #dbe3dc;--color-border-strong: #bdc9bf;--color-accent: #1d9a72;--color-accent-strong: #087553;--color-on-accent: #ffffff;--color-success: #2baa68;--color-danger: #b44437;--color-focus: #e7a829;--shadow-subtle: 0 16px 40px rgba(33, 50, 40, .07);--shadow-soft: 0 14px 30px rgba(8, 117, 83, .22);--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4rem;--space-9: 5rem}*{box-sizing:border-box}html{color:var(--color-text);background:var(--color-background);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{margin:0;min-width:320px}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-4) clamp(var(--space-4),4vw,var(--space-8));border-bottom:1px solid var(--color-border);background:color-mix(in srgb,var(--color-background) 88%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;gap:var(--space-3);font-size:1rem;font-weight:760}.brand-mark{display:grid;width:2.25rem;height:2.25rem;place-items:center;border-radius:.625rem;color:var(--color-on-accent);background:linear-gradient(135deg,var(--color-accent),var(--color-accent-strong));box-shadow:var(--shadow-soft)}.header-nav{display:flex;align-items:center;gap:var(--space-2)}.header-nav a{min-height:2.25rem;display:inline-flex;align-items:center;padding:0 var(--space-3);border-radius:999px;color:var(--color-muted);font-size:.9rem;font-weight:650}.header-nav a:hover{color:var(--color-text);background:var(--color-surface)}.main-layout{width:min(1180px,100%);margin:0 auto;flex:1;padding:clamp(var(--space-5),5vw,var(--space-9)) clamp(var(--space-4),4vw,var(--space-8))}.hero-section{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-5);align-items:end;margin-bottom:var(--space-7)}.hero-copy{max-width:720px}.section-label,.panel-label{margin:0 0 var(--space-2);color:var(--color-accent-strong);font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero-section h1{margin:0;max-width:760px;color:var(--color-heading);font-size:clamp(2.25rem,6vw,4.75rem);line-height:.98;letter-spacing:0}.hero-text{max-width:650px;margin:var(--space-4) 0 0;color:var(--color-muted);font-size:clamp(1rem,2vw,1.18rem);line-height:1.65}.hero-status{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:2.75rem;padding:0 var(--space-4);border:1px solid var(--color-border);border-radius:999px;color:var(--color-muted);background:var(--color-surface);font-size:.92rem;font-weight:700;white-space:nowrap;box-shadow:var(--shadow-subtle)}.hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-3);justify-content:flex-end}.status-dot{width:.625rem;height:.625rem;border-radius:999px;background:var(--color-success);box-shadow:0 0 0 5px color-mix(in srgb,var(--color-success) 18%,transparent)}.workspace-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--space-4)}.project-checklist,.placeholder-panel,.location-card,.roof-planner,.sun-path-panel,.recommendation-panel,.generation-panel{min-height:260px;grid-column:span 4;display:flex;flex-direction:column;justify-content:space-between;gap:var(--space-6);padding:clamp(var(--space-4),3vw,var(--space-6));border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-panel);box-shadow:var(--shadow-subtle)}.project-checklist{min-height:auto;grid-column:1 / -1;gap:var(--space-4);background:linear-gradient(145deg,color-mix(in srgb,var(--color-accent) 8%,transparent),transparent),var(--color-panel)}.project-checklist__header{display:flex;align-items:start;justify-content:space-between;gap:var(--space-4)}.project-checklist__header h2{margin:0;color:var(--color-heading);font-size:clamp(1.3rem,3vw,2rem);line-height:1.12}.project-checklist__header strong{display:inline-flex;align-items:center;justify-content:center;min-width:4.25rem;min-height:3rem;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-heading);background:var(--color-panel);font-size:1.1rem}.checklist-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--space-3);margin:0;padding:0;list-style:none}.checklist-step{display:grid;gap:var(--space-2);min-width:0;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3);background:color-mix(in srgb,var(--color-surface) 56%,white)}.checklist-step--complete{border-color:color-mix(in srgb,var(--color-success) 42%,var(--color-border));background:color-mix(in srgb,var(--color-success) 9%,white)}.checklist-step span{width:fit-content;border-radius:999px;padding:.15rem .45rem;color:var(--color-muted);background:var(--color-panel);font-size:.7rem;font-weight:850;text-transform:uppercase}.checklist-step--complete span{color:var(--color-accent-strong)}.checklist-step a{color:var(--color-heading);font-weight:780;line-height:1.25;text-decoration:none}.checklist-step a:hover{text-decoration:underline}.project-checklist__next,.project-checklist__warnings{display:grid;gap:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:var(--color-panel)}.project-checklist__next span,.project-checklist__warnings span{color:var(--color-muted);font-size:.78rem;font-weight:850;text-transform:uppercase}.project-checklist__next p,.project-checklist__warnings p{margin:0;color:var(--color-text);line-height:1.5}.project-checklist__warnings ul{display:grid;gap:var(--space-2);margin:0;padding-left:1.1rem;color:var(--color-muted);line-height:1.5}.project-checklist__warnings--ready{border-color:color-mix(in srgb,var(--color-success) 36%,var(--color-border))}.project-checklist,.location-card,.roof-planner,.sun-path-panel,.recommendation-panel,.generation-panel{scroll-margin-top:6rem}.roof-planner{min-height:560px;grid-column:span 8;grid-row:span 2;background:linear-gradient(145deg,color-mix(in srgb,var(--color-accent) 10%,transparent),transparent),var(--color-panel)}.sun-path-panel{min-height:560px;grid-column:span 8;background:var(--color-panel)}.recommendation-panel{min-height:560px;grid-column:span 8;background:linear-gradient(145deg,color-mix(in srgb,var(--color-focus) 12%,transparent),transparent),var(--color-panel)}.generation-panel{min-height:620px;grid-column:1 / -1;background:var(--color-panel)}.sun-path-panel--empty{min-height:320px;grid-column:span 4}.location-card{gap:var(--space-5)}.location-card__intro h2,.roof-planner__header h2,.sun-path-panel__header h2,.sun-path-panel--empty h2,.recommendation-panel__header h2,.generation-panel__header h2{margin:0;color:var(--color-heading);font-size:clamp(1.25rem,2.5vw,1.8rem);line-height:1.12;letter-spacing:0}.location-card__intro p:not(.panel-label),.roof-planner__header p:not(.panel-label),.sun-path-panel__header p:not(.panel-label),.sun-path-panel--empty p:not(.panel-label),.recommendation-panel__header p:not(.panel-label),.generation-panel__header p:not(.panel-label){margin:var(--space-3) 0 0;color:var(--color-muted);line-height:1.6}.placeholder-panel--featured{min-height:460px;grid-column:span 8;grid-row:span 2;background:linear-gradient(145deg,color-mix(in srgb,var(--color-accent) 10%,transparent),transparent),var(--color-panel)}.placeholder-panel h2{margin:0;color:var(--color-heading);font-size:clamp(1.25rem,2.5vw,1.8rem);line-height:1.12;letter-spacing:0}.placeholder-panel p:not(.panel-label){margin:var(--space-3) 0 0;max-width:58ch;color:var(--color-muted);line-height:1.6}.placeholder-surface{display:grid;min-height:116px;grid-template-columns:1.2fr .8fr;gap:var(--space-3);padding:var(--space-3);border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);background:linear-gradient(135deg,#ffffffc2,#ffffff5c),repeating-linear-gradient(45deg,color-mix(in srgb,var(--color-accent) 8%,transparent) 0 10px,transparent 10px 20px)}.placeholder-surface span{border-radius:var(--radius-sm);background:color-mix(in srgb,var(--color-muted) 16%,transparent)}.placeholder-surface span:first-child{grid-row:span 2}.location-actions{display:flex;flex-wrap:wrap;gap:var(--space-3)}.button{min-height:2.75rem;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:0 var(--space-4);font:inherit;font-size:.92rem;font-weight:760;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease}.button:disabled{cursor:wait;opacity:.72}.button--primary{color:var(--color-on-accent);background:var(--color-accent-strong);box-shadow:var(--shadow-soft)}.button--secondary{color:var(--color-accent-strong);background:color-mix(in srgb,var(--color-accent) 12%,white)}.button:not(:disabled):hover{transform:translateY(-1px)}.coordinate-form,.roof-input-grid,.calculator-input-grid{display:grid;gap:var(--space-3)}.field{display:grid;gap:var(--space-2);color:var(--color-heading);font-size:.88rem;font-weight:740}.field input,.field select{width:100%;min-height:2.75rem;border:1px solid var(--color-border-strong);border-radius:var(--radius-md);padding:0 var(--space-3);color:var(--color-text);background:var(--color-panel);font:inherit;font-size:1rem;font-weight:600}.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--color-muted) 50%),linear-gradient(135deg,var(--color-muted) 50%,transparent 50%);background-position:calc(100% - 1rem) 50%,calc(100% - .7rem) 50%;background-size:.35rem .35rem,.35rem .35rem;background-repeat:no-repeat;padding-right:var(--space-6)}.field input::placeholder{color:color-mix(in srgb,var(--color-muted) 62%,white)}.field input[aria-invalid=true],.field select[aria-invalid=true]{border-color:var(--color-danger);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-danger) 14%,transparent)}.field small{color:var(--color-danger);font-size:.8rem;line-height:1.4}.range-input{min-height:auto;padding:0;accent-color:var(--color-accent-strong)}.roof-planner__body{display:grid;grid-template-columns:minmax(280px,1.1fr) minmax(260px,.9fr);gap:var(--space-5);align-items:start}.roof-drawing-panel{display:grid;gap:var(--space-3)}.roof-drawing-panel__topline{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.roof-drawing-panel h3{margin:0;color:var(--color-heading);font-size:1rem}.roof-drawing-panel__topline span{color:var(--color-muted);font-size:.84rem;font-weight:800}.roof-canvas{width:100%;aspect-ratio:1.2;display:block;border:1px solid var(--color-border);border-radius:var(--radius-md);color:color-mix(in srgb,var(--color-accent-strong) 34%,transparent);background:color-mix(in srgb,var(--color-surface) 62%,white);box-shadow:inset 0 0 0 1px #ffffffb3}.roof-canvas--editable{cursor:crosshair}.roof-canvas__grid{fill:url(#roof-grid)}.roof-canvas__shape{fill:color-mix(in srgb,var(--color-accent) 26%,white);stroke:var(--color-accent-strong);stroke-width:1.2;stroke-linejoin:round}.roof-canvas__line{stroke:var(--color-accent-strong);stroke-width:1.2;stroke-linecap:round}.roof-canvas__point{fill:var(--color-panel);stroke:var(--color-accent-strong);stroke-width:1}.roof-canvas__azimuth line{stroke:var(--color-heading);stroke-width:1;stroke-linecap:round}.roof-canvas__azimuth path{fill:var(--color-heading)}.roof-drawing-actions{display:flex;flex-wrap:wrap;gap:var(--space-3)}.roof-controls{display:grid;gap:var(--space-4)}.shape-selector{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}.shape-option{min-height:5rem;display:grid;gap:.25rem;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3);color:var(--color-text);background:color-mix(in srgb,var(--color-surface) 64%,white);font:inherit;text-align:left;cursor:pointer}.shape-option span{color:var(--color-heading);font-size:.95rem;font-weight:820}.shape-option small{color:var(--color-muted);font-size:.78rem;line-height:1.35}.shape-option--active{border-color:color-mix(in srgb,var(--color-accent-strong) 62%,var(--color-border));background:color-mix(in srgb,var(--color-accent) 14%,white);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-accent) 10%,transparent)}.field-error{margin:0;color:var(--color-danger);font-size:.86rem;font-weight:720}.sun-empty-state{display:grid;min-height:150px;grid-template-columns:repeat(3,1fr);gap:var(--space-3);align-items:end;border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-4);background:color-mix(in srgb,var(--color-surface) 56%,white)}.sun-empty-state span{border-radius:var(--radius-sm) var(--radius-sm) 0 0;background:color-mix(in srgb,var(--color-accent) 18%,white)}.sun-empty-state span:nth-child(1){height:42%}.sun-empty-state span:nth-child(2){height:82%}.sun-empty-state span:nth-child(3){height:58%}.sun-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-3)}.sun-stat{display:grid;gap:.35rem;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:color-mix(in srgb,var(--color-surface) 54%,white)}.sun-stat span{color:var(--color-muted);font-size:.78rem;font-weight:800}.sun-stat strong{color:var(--color-heading);font-size:clamp(1.2rem,2vw,1.6rem);line-height:1}.sun-stat small{color:var(--color-muted);font-size:.8rem;font-weight:700}.seasonal-chart,.monthly-chart{display:grid;gap:var(--space-3)}.seasonal-chart__svg{width:100%;min-height:210px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:linear-gradient(180deg,color-mix(in srgb,var(--color-focus) 10%,white),transparent 68%),color-mix(in srgb,var(--color-surface) 56%,white)}.seasonal-chart__axis{stroke:color-mix(in srgb,var(--color-muted) 45%,transparent);stroke-width:.6}.seasonal-chart__line{fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.seasonal-chart__line--1{stroke:var(--color-accent-strong)}.seasonal-chart__line--2{stroke:var(--color-focus)}.seasonal-chart__line--3{stroke:#4a79a8}.seasonal-legend{display:flex;flex-wrap:wrap;gap:var(--space-3)}.seasonal-legend__item{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-muted);font-size:.82rem;font-weight:760}.seasonal-legend__item:before{content:"";width:.7rem;height:.7rem;border-radius:999px;background:var(--color-accent-strong)}.seasonal-legend__item--2:before{background:var(--color-focus)}.seasonal-legend__item--3:before{background:#4a79a8}.monthly-bars{display:grid;min-height:170px;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--space-2);align-items:end;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:color-mix(in srgb,var(--color-surface) 54%,white)}.monthly-bar{min-width:0;display:grid;gap:var(--space-2);justify-items:center}.monthly-bar__track{width:100%;height:118px;display:flex;align-items:end;border-radius:999px;background:color-mix(in srgb,var(--color-border) 70%,white);overflow:hidden}.monthly-bar__track span{width:100%;display:block;border-radius:999px 999px 0 0;background:linear-gradient(180deg,var(--color-focus),var(--color-accent))}.monthly-bar small{color:var(--color-muted);font-size:.72rem;font-weight:800}.monthly-table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-md)}.monthly-table{width:100%;min-width:650px;border-collapse:collapse;color:var(--color-text);font-size:.86rem}.monthly-table caption{padding:var(--space-3) var(--space-4);color:var(--color-muted);font-weight:800;text-align:left;background:color-mix(in srgb,var(--color-surface) 52%,white)}.monthly-table th,.monthly-table td{padding:.72rem var(--space-3);border-top:1px solid var(--color-border);text-align:left;white-space:nowrap}.monthly-table th{color:var(--color-heading);font-size:.78rem}.monthly-table td{color:var(--color-muted);font-weight:650}.recommendation-highlight{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-4);align-items:center;border:1px solid color-mix(in srgb,var(--color-accent-strong) 28%,var(--color-border));border-radius:var(--radius-lg);padding:var(--space-5);background:linear-gradient(135deg,color-mix(in srgb,var(--color-accent) 12%,white),#fff)}.recommendation-highlight span,.recommendation-highlight small{display:block;color:var(--color-muted);font-size:.82rem;font-weight:800}.recommendation-highlight strong{display:block;margin:var(--space-2) 0;color:var(--color-heading);font-size:clamp(1.35rem,3vw,2.1rem);line-height:1.08}.score-ring{width:6.25rem;height:6.25rem;display:grid;place-items:center;border:.55rem solid color-mix(in srgb,var(--color-accent) 32%,white);border-radius:999px;color:var(--color-heading);background:var(--color-panel);box-shadow:var(--shadow-subtle)}.score-ring span{color:var(--color-heading);font-size:1.8rem;line-height:1}.score-ring small{margin-top:-1.1rem;color:var(--color-muted)}.recommendation-empty{border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-5);background:color-mix(in srgb,var(--color-surface) 58%,white)}.recommendation-empty strong{color:var(--color-heading);font-size:1.1rem}.recommendation-empty p{margin:var(--space-2) 0 0;color:var(--color-muted);line-height:1.55}.suitability-summary,.orientation-compare{display:grid;gap:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:color-mix(in srgb,var(--color-surface) 52%,white)}.suitability-summary{grid-template-columns:minmax(180px,.38fr) minmax(0,.62fr);align-items:start}.suitability-score{display:grid;gap:.3rem}.suitability-score span,.orientation-compare span{color:var(--color-muted);font-size:.78rem;font-weight:820}.suitability-score strong,.orientation-compare strong{color:var(--color-heading);font-size:1.05rem}.suitability-score small{color:var(--color-accent-strong);font-weight:820}.suitability-summary ul{display:grid;gap:var(--space-2);margin:0;padding-left:1.1rem;color:var(--color-muted);line-height:1.5}.orientation-compare h3{margin:0;color:var(--color-heading);font-size:1rem}.orientation-compare__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-3)}.orientation-compare__grid div{display:grid;gap:.35rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:var(--space-3);background:var(--color-panel)}.ranking-list,.warning-list,.next-step-list,.recommendation-detail-grid section{display:grid;gap:var(--space-3)}.ranking-list h3,.warning-list h3,.next-step-list h3,.recommendation-detail-grid h3{margin:0;color:var(--color-heading);font-size:1rem}.ranking-items{display:grid;gap:var(--space-3)}.ranking-item{display:grid;gap:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3);background:color-mix(in srgb,var(--color-surface) 52%,white)}.ranking-item__topline{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--space-3);align-items:center}.ranking-item__topline span{color:var(--color-accent-strong);font-size:.78rem;font-weight:860}.ranking-item__topline strong{color:var(--color-heading);font-size:.92rem}.ranking-item__topline em{color:var(--color-muted);font-size:.82rem;font-style:normal;font-weight:820}.ranking-meter{height:.55rem;border-radius:999px;background:color-mix(in srgb,var(--color-border) 78%,white);overflow:hidden}.ranking-meter span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--color-accent-strong),var(--color-focus))}.recommendation-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4)}.recommendation-detail-grid section,.warning-list,.next-step-list{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:color-mix(in srgb,var(--color-surface) 48%,white)}.recommendation-detail-grid ul,.warning-list ul,.next-step-list ul{display:grid;gap:var(--space-2);margin:0;padding-left:1.1rem;color:var(--color-muted);line-height:1.5}.warning-list{border-color:color-mix(in srgb,var(--color-focus) 34%,var(--color-border))}.generation-layout{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(320px,1.15fr);gap:var(--space-5);align-items:start}.calculator-actions{display:flex;flex-wrap:wrap;gap:var(--space-3)}.assumption-panel,.result-panel,.estimate-notes{display:grid;gap:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:color-mix(in srgb,var(--color-surface) 50%,white)}.assumption-panel h3,.result-panel h3,.calculator-monthly h3,.estimate-notes h3{margin:0;color:var(--color-heading);font-size:1rem}.result-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}.result-card{display:grid;gap:var(--space-2);min-height:8rem;align-content:center;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-4);background:var(--color-panel)}.result-card span{color:var(--color-muted);font-size:.82rem;font-weight:820}.result-card 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span{color:var(--color-muted);font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.pvgis-source-badge strong{color:var(--color-heading);font-size:.95rem}.pvgis-source-badge small{color:var(--color-muted);font-size:.78rem}.pvgis-error{padding:var(--space-4);border:1px solid color-mix(in srgb,var(--color-danger) 28%,var(--color-border));border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-danger) 6%,white)}.pvgis-error strong{display:block;margin-bottom:var(--space-2);color:var(--color-danger);font-size:.9rem}.pvgis-error p{margin:0 0 var(--space-1);color:var(--color-muted);font-size:.86rem;line-height:1.5}.result-card--pvgis{border-color:color-mix(in srgb,#16a34a 28%,var(--color-border))!important;background:color-mix(in srgb,#16a34a 6%,white)!important}.result-card--pvgis 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