*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #a5b4fc;--success: #10b981;--success-light: #d1fae5;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--warning-light: #fef3c7;--background: #f8fafc;--surface: #ffffff;--text: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--radius: 16px;--radius-sm: 10px;--radius-xs: 6px}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,sans-serif;background-color:var(--background);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;cursor:pointer;border:none;background:none;-webkit-tap-highlight-color:transparent}input,select{font-family:inherit;font-size:16px}ul{list-style:none}.app{min-height:100vh;min-height:100dvh;max-width:430px;margin:0 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var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.shopping-item.checked .check-circle{background:var(--success);border-color:var(--success);color:#fff}.check-circle svg{width:14px;height:14px}.item-info{flex:1;display:flex;justify-content:space-between;align-items:center}.item-name{font-weight:500;font-size:15px}.item-amount{color:var(--text-muted);font-size:13px}.section-divider{padding:10px 16px;background:var(--background);color:var(--text-muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}.shopping-item.custom{background:#6366f108}.remove-custom-btn{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--danger);color:#fff;border-radius:50%;font-size:18px;flex-shrink:0}.add-custom-btn{width:100%;padding:14px;background:var(--surface);border:2px dashed 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