*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #f5f5f7;--bg-secondary: #ffffff;--bg-tertiary: #ffffff;--bg-elevated: #ffffff;--bg-hover: #f0f0f0;--bg-active: #e8e8ed;--border: #d2d2d7;--border-light: #e8e8ed;--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-tertiary: #aeaeb2;--accent: #0071e3;--accent-dim: rgba(0,113,227,.08);--accent-subtle: rgba(0,113,227,.04);--color-success: #34c759;--color-warning: #ff9500;--color-danger: #ff3b30;--radius-xs: 6px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 999px;--font: -apple-system, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Inter", sans-serif;--font-mono: "SF Mono", "SFMono-Regular", "Menlo", monospace;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.08);--shadow-lg: 0 8px 32px rgba(0,0,0,.12)}html,body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100%}#root{min-height:100vh;display:flex;flex-direction:column}button{font-family:var(--font);cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:var(--font);color:var(--text-primary);background:transparent;border:none;outline:none}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d2d2d7;border-radius:2px}.app{width:100%;max-width:960px;margin:0 auto;padding:32px 20px 64px;display:flex;flex-direction:column;gap:24px}.app-header h1{font-size:28px;font-weight:600;letter-spacing:-.02em}.app-header p{color:var(--text-secondary);margin-top:4px}.app-status{color:var(--text-secondary)}.app-status-error{color:var(--color-danger)}.app-address{color:var(--text-secondary);font-size:13px}.app-results{display:flex;flex-direction:column;gap:24px}.address-search-container,.address-search-input{width:100%}.address-search-error{color:var(--color-danger);font-size:13px;margin-top:6px}.roof-viewer{background:var(--bg-elevated);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);overflow:hidden}.roof-viewer-canvas{width:100%;height:480px}.roof-viewer-canvas canvas{display:block;width:100%;height:100%}.roof-viewer-error{padding:16px;color:var(--color-danger)}.roof-viewer-style-toggle{display:flex;align-items:center;gap:10px;padding:12px 20px;border-top:1px solid var(--border-light);flex-wrap:wrap}.roof-viewer-style-toggle button{padding:6px 14px;border-radius:var(--radius-full);background:var(--bg-primary);font-size:13px;font-weight:500;color:var(--text-secondary)}.roof-viewer-style-toggle button.is-active{background:var(--accent);color:#fff}.roof-viewer-hint{font-size:12px;color:var(--text-tertiary)}.roof-viewer-hint-error{color:var(--color-danger)}.roof-viewer-sun-controls{display:flex;gap:24px;padding:14px 20px;border-top:1px solid var(--border-light)}.roof-viewer-sun-controls label{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-secondary);flex:1}.roof-viewer-sun-controls input[type=range]{flex:1}.system-config-panel{background:var(--bg-elevated);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);padding:20px 24px;display:flex;flex-direction:column;gap:14px}.system-config-panel h3{font-size:16px;font-weight:600}.system-config-panel label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-secondary)}.system-config-yield{font-size:13px;color:var(--text-secondary)}.battery-tier{border:none;padding:0;display:flex;gap:16px}.battery-tier legend{font-size:13px;color:var(--text-secondary);margin-bottom:6px}.battery-tier label{flex-direction:row;align-items:center;gap:6px}.system-match{background:var(--bg-primary);border-radius:var(--radius-md);padding:14px 16px;display:flex;flex-direction:column;gap:4px}.system-match h4{font-size:13px;color:var(--text-secondary);font-weight:500;margin-bottom:4px}.system-match-price{font-weight:600;margin-top:4px}.amortization-calculator{background:var(--bg-elevated);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);padding:20px 24px;display:flex;flex-direction:column;gap:20px}.amortization-calculator h3{font-size:16px;font-weight:600}.amortization-inputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}.amortization-inputs label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-secondary)}.amortization-inputs input[type=number]{border:1px solid var(--border);border-radius:var(--radius-xs);padding:6px 8px;font-size:14px;color:var(--text-primary)}.amortization-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.stat-tile{background:var(--bg-primary);border-radius:var(--radius-md);padding:14px 16px;display:flex;flex-direction:column;gap:4px}.stat-label{font-size:12px;color:var(--text-secondary)}.stat-value{font-size:20px;font-weight:600}.cashflow-chart{position:relative}.cashflow-chart-title{font-size:13px;color:var(--text-secondary);margin-bottom:8px}.cashflow-chart-svg{width:100%;height:auto}.chart-axis-label{font-size:10px;fill:var(--text-tertiary)}.chart-callout-label{font-size:11px;fill:var(--text-secondary);font-weight:500}.chart-end-label{font-size:12px;fill:var(--text-primary);font-weight:600}.cashflow-tooltip{position:absolute;top:8px;transform:translate(-50%);background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-xs);box-shadow:var(--shadow-md);padding:6px 10px;display:flex;flex-direction:column;align-items:center;font-size:12px;pointer-events:none;white-space:nowrap}.cashflow-tooltip strong{font-size:13px}.cashflow-tooltip span{color:var(--text-secondary)}.roof-tracer,.roof-tracer-confirm{background:var(--bg-elevated);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);padding:20px 24px;display:flex;flex-direction:column;gap:16px;align-items:center}.roof-tracer-confirm p,.roof-tracer-hint{color:var(--text-secondary);font-size:14px}.roof-tracer-confirm img{border-radius:var(--radius-md);max-width:100%}.roof-tracer-confirm button,.roof-tracer-finish,.app-redraw-button{padding:10px 20px;border-radius:var(--radius-full);background:var(--accent);color:#fff;font-weight:500;font-size:14px}.app-redraw-button{background:var(--bg-primary);color:var(--text-secondary);align-self:flex-start}.roof-tracer-finish:disabled{background:var(--bg-active);color:var(--text-tertiary)}.roof-tracer-canvas{position:relative;max-width:100%;border-radius:var(--radius-md);overflow:hidden}.roof-tracer-canvas img{position:absolute;top:0;left:0;width:100%;height:100%}.roof-tracer-canvas svg{position:relative;width:100%;height:auto;cursor:crosshair}.roof-tracer-face{fill:#1d4ed847;stroke:#1d4ed8;stroke-width:2}.roof-tracer-face-label{fill:#fff;font-size:16px;font-weight:600;text-anchor:middle;paint-order:stroke;stroke:#00000080;stroke-width:3}.roof-tracer-active-line{fill:none;stroke:#ff9500;stroke-width:2;stroke-dasharray:4 3}.roof-tracer-vertex{fill:#ff9500;stroke:#fff;stroke-width:1.5}.roof-tracer-draw-controls{display:flex;gap:10px}.roof-tracer-draw-controls button{padding:8px 14px;border-radius:var(--radius-sm);background:var(--bg-primary);font-size:13px;color:var(--text-secondary)}.roof-tracer-draw-controls button:disabled{opacity:.4}.roof-tracer-face-list{width:100%;display:flex;flex-direction:column;gap:8px}.roof-tracer-face-row{display:grid;grid-template-columns:110px 1fr 1fr auto;align-items:center;gap:10px;background:var(--bg-primary);border-radius:var(--radius-md);padding:10px 14px;font-size:13px;color:var(--text-secondary)}.roof-tracer-face-row label{display:flex;flex-direction:column;gap:4px;font-size:12px}.roof-tracer-face-row input[type=number]{border:1px solid var(--border);border-radius:var(--radius-xs);padding:5px 7px;font-size:13px;color:var(--text-primary)}