:root{--primary: #1a56db;--primary-dark: #1e40af;--primary-light: #3b82f6;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-500: #6b7280;--gray-700: #374151;--gray-900: #111827;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.1);--shadow-lg: 0 4px 12px rgba(0,0,0,.15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans KR,sans-serif;background:var(--gray-100);color:var(--gray-900);line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--primary);color:#fff;padding:16px 20px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-lg)}.header h1{font-size:18px;font-weight:600}.header-sub{font-size:12px;opacity:.8;margin-top:2px}.main{flex:1;padding:16px 16px 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fadeInUp{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.quote-form .form-row{display:flex;gap:12px}.dropdown-menu{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--gray-300);border-radius:8px;box-shadow:var(--shadow-lg);max-height:200px;overflow-y:auto;z-index:10}.dropdown-item{padding:12px 14px;cursor:pointer;border-bottom:1px solid var(--gray-100)}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover{background:var(--gray-50)}.dropdown-item.add-new{color:var(--primary);font-weight:500}.item-card{background:var(--gray-50);border:1px solid 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auto}.bottom-nav{max-width:600px;left:50%;transform:translate(-50%);border-radius:16px 16px 0 0}.modal{max-width:500px;border-radius:16px;margin-bottom:20px}.modal-overlay{align-items:center}.fab{right:calc(50% - 280px)}}