@font-face{font-family:Inter;font-style:normal;font-weight:400 600;font-display:swap;src:url(/fonts/inter-variable-latin.woff2) format("woff2")}@font-face{font-family:Space Grotesk;font-style:normal;font-weight:500 700;font-display:swap;src:url(/fonts/space-grotesk-variable-latin.woff2) format("woff2")}:root{color-scheme:dark;--surface: #121316;--surface-low: #1a1b1e;--surface-container: #1f1f23;--surface-high: #292a2d;--fg: #e3e2e6;--muted: #cac4d0;--primary: #d4beeb;--primary-container: #635177;--tertiary: #ffb0c9;--font-heading: "Space Grotesk", system-ui, -apple-system, sans-serif;--font-body: "Inter", system-ui, -apple-system, sans-serif;--radius-md: .25rem;--radius-lg: .5rem;--radius-xl: .75rem;font-family:var(--font-body);line-height:1.5;font-weight:400;color:var(--fg);background-color:var(--surface);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:var(--primary);text-decoration:inherit}a:hover{opacity:.85}body{margin:0;min-width:320px;min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);background:var(--surface);min-height:100vh;color:var(--fg)}.calculator-container{max-width:1200px;margin:0 auto;padding:20px;min-height:100vh}h1{text-align:center;font-family:var(--font-heading);color:var(--fg);font-size:2.5rem;letter-spacing:-.02em;margin-bottom:2rem}h2{font-family:var(--font-heading);color:var(--fg);margin-bottom:1.5rem;font-size:1.8rem;border-bottom:2px solid var(--primary);padding-bottom:.5rem}h3{font-family:var(--font-heading);color:var(--muted);margin:1.5rem 0 1rem;font-size:1.3rem}.billing-inputs-section{background:var(--surface-low);padding:1.5rem;border-radius:var(--radius-lg);margin:1.5rem 0}.billing-inputs-section h3{margin-top:0;color:var(--fg);border-bottom:2px solid var(--primary);padding-bottom:.5rem}.billing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:1.5rem 0}.billing-input label{font-size:.9rem}.billing-input input{padding:10px 12px;font-size:.95rem}.consumption-summary{background:var(--surface-container);padding:1rem;border-radius:var(--radius-md);border-left:4px solid var(--primary);margin-top:1rem}.consumption-summary p{margin:.5rem 0;font-size:1rem;color:var(--fg)}.consumption-summary .highlight{font-weight:700;color:var(--primary);font-size:1.1rem}.input-section{background:var(--surface-low);padding:2rem;border-radius:var(--radius-xl);margin-bottom:2rem}.input-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--fg);font-size:1rem}input{width:100%;padding:12px 16px;border:none;border-radius:var(--radius-md);font-size:1rem;font-family:var(--font-body);transition:background .2s cubic-bezier(.4,0,.2,1);background:var(--surface-container);color:var(--fg)}select{width:100%;padding:12px 16px;border:none;border-radius:var(--radius-md);font-size:1rem;font-family:var(--font-body);transition:background .2s cubic-bezier(.4,0,.2,1);background:var(--surface-container);color:var(--fg);cursor:pointer}input:focus{outline:2px solid var(--primary);outline-offset:1px;background:var(--surface-high);color:var(--fg)}select:focus{outline:2px solid var(--primary);outline-offset:1px;background:var(--surface-high)}input::placeholder{color:var(--muted);opacity:.7}small{display:block;margin-top:.5rem;color:var(--muted);font-size:.85rem;font-style:italic}.calculate-btn{width:100%;padding:16px;background:linear-gradient(135deg,var(--primary),var(--primary-container));color:var(--surface);border:none;border-radius:var(--radius-xl);font-family:var(--font-heading);font-size:1.2rem;font-weight:700;cursor:pointer;transition:opacity .2s cubic-bezier(.4,0,.2,1);text-transform:uppercase;letter-spacing:1px;margin-top:1rem}.calculate-btn:hover{opacity:.85}.results-section{background:var(--surface-low);padding:2rem;border-radius:var(--radius-xl);margin-bottom:2rem}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.result-card{background:var(--surface-container);padding:1.5rem;border-radius:var(--radius-lg);text-align:center;transition:background .2s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.result-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(135deg,var(--primary),var(--primary-container))}.result-card:hover{background:var(--surface-high)}.result-card h3{margin:0 0 1rem;color:var(--muted);font-size:1.1rem}.result-value{font-family:var(--font-heading);font-size:2.5rem;font-weight:700;color:var(--fg);margin:.5rem 0;line-height:1}.result-unit{color:var(--muted);font-size:.9rem;font-weight:500;margin:0}.summary{background:var(--surface-low);padding:1.5rem;border-radius:var(--radius-lg);border-left:4px solid var(--primary)}.summary h3{margin-top:0;color:var(--fg)}.summary ul{list-style:none;padding:0}.summary li{padding:.5rem 0 .5rem 1.5rem;position:relative;color:var(--muted);line-height:1.4}.summary li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}.solar-tips{background:var(--surface-low);padding:2rem;border-radius:var(--radius-xl);margin-bottom:2rem}.recommendation-card{background:var(--surface-container);padding:1.5rem;border-radius:var(--radius-lg);border-left:4px solid var(--primary);margin-bottom:2rem}.recommendation-card h3{margin:0 0 .5rem;font-size:1.2rem}.recommendation-card p{margin:0;color:var(--muted);line-height:1.5}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:2rem}.tip-card{background:var(--surface-container);padding:1.5rem;border-radius:var(--radius-lg);transition:background .2s cubic-bezier(.4,0,.2,1);text-align:center}.tip-card:hover{background:var(--surface-high)}.tip-icon{font-size:2.5rem;margin-bottom:1rem}.tip-card h4{font-family:var(--font-heading);color:var(--fg);margin-bottom:.5rem;font-size:1.1rem}.tip-card p{color:var(--muted);line-height:1.4;font-size:.9rem}.financial-highlight{background:linear-gradient(135deg,var(--primary-container),var(--surface-high));color:var(--fg);padding:2rem;border-radius:var(--radius-lg);text-align:center}.financial-highlight h3{color:var(--fg);margin:0 0 1.5rem}.financial-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}.stat{text-align:center}.stat-value{display:block;font-family:var(--font-heading);font-size:2.5rem;font-weight:700;color:var(--tertiary);margin-bottom:.5rem}.stat-label{font-size:1rem;opacity:.9}@media(max-width:768px){.calculator-container{padding:10px}h1{font-size:2rem}.input-section,.results-section,.solar-tips{padding:1.5rem}.result-grid,.tips-grid{grid-template-columns:1fr}.result-value,.stat-value{font-size:2rem}.financial-stats{grid-template-columns:1fr;gap:1rem}}@media(max-width:480px){h1{font-size:1.8rem}.input-section,.results-section,.solar-tips{padding:1rem}.result-value,.stat-value{font-size:1.8rem}.tip-icon{font-size:2rem}}