:root{--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-primary: #ec4899;--color-primary-hover: #db2777;--color-text: #0f172a;--color-text-secondary: #64748b;--color-accent: #8b5cf6;--color-accent-hover: #7c3aed;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--font-family: "Inter", system-ui, -apple-system, sans-serif;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}[data-theme=dark]{--color-bg: #0f172a;--color-surface: #1e293b;--color-border: #334155;--color-primary: #ec4899;--color-primary-hover: #f472b6;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-accent: #a78bfa;--color-accent-hover: #c4b5fd;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .3), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .3), 0 4px 6px -4px rgb(0 0 0 / .3)}*{box-sizing:border-box}body{margin:0;font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{cursor:pointer;border:none;background:none;font-family:inherit}input,select,textarea{font-family:inherit;background-color:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:var(--spacing-sm)}input:focus,select:focus,textarea:focus{outline:2px solid var(--color-accent);border-color:transparent}.app-container{display:flex;height:100vh;width:100vw;overflow:hidden}.canvas-container{flex:1;position:relative;background-color:#000}.ui-panel{width:400px;background-color:var(--color-surface);border-left:1px solid var(--color-border);overflow-y:auto;display:flex;flex-direction:column;position:relative;scroll-behavior:smooth}.panel-header{padding:10px 16px;background-color:#fffffffa;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--color-border)}.header-main-row{display:flex;align-items:flex-start;gap:12px;width:100%}.header-left{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.header-icon{width:40px;height:40px;min-width:40px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:20px;flex-shrink:0}.header-text-col{display:flex;flex-direction:column;min-width:0;gap:2px}.header-title-row{display:flex;align-items:center;gap:4px}.header-title{margin:0;font-size:1.1rem;font-weight:700;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.2}.header-subtitle{font-size:.8rem;color:var(--color-text-secondary);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.panel-header h1{margin:0;font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.panel-content{padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-xl)}.section{display:flex;flex-direction:column;gap:var(--spacing-md)}.section-title{font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);font-weight:600;margin:0}.control-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}.label{font-size:.9rem;color:var(--color-text)}.color-options{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.color-btn{width:32px;height:32px;border-radius:50%;border:2px solid transparent;transition:transform .2s,border-color .2s}.color-btn.active{border-color:var(--color-text);transform:scale(1.1)}.style-options{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.style-btn{padding:var(--spacing-md);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);transition:all .2s}.style-btn:hover{border-color:var(--color-accent);color:var(--color-text)}.style-btn.active{background-color:var(--color-accent);color:#fff;border-color:var(--color-accent)}.price-summary{margin-top:auto;padding:var(--spacing-lg);background-color:var(--color-bg);border-top:1px solid var(--color-border)}.total-price{font-size:1.5rem;font-weight:700;color:var(--color-text);display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.cta-button{width:100%;padding:var(--spacing-md);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));color:#fff;font-weight:600;font-size:1.1rem;border-radius:var(--radius-md);transition:opacity .2s;box-shadow:var(--shadow-lg)}.cta-button:hover{opacity:.9}@media(max-width:768px){.app-container{flex-direction:column;height:100vh;overflow:hidden}.canvas-container{height:50vh;flex:none;order:1}.ui-panel{width:100%;flex:1;overflow-y:auto;border-left:none;border-top:1px solid var(--color-border);order:2;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column}.panel-header{padding:10px 16px}.header-icon{width:32px;height:32px;min-width:32px;font-size:16px;border-radius:10px}.header-title{font-size:.85rem}.header-subtitle{font-size:.65rem}.header-right{gap:6px}button{min-height:auto}}.nav-btn{display:inline-flex;align-items:center;justify-content:center;padding:6px 16px;border-radius:6px;font-weight:600;font-size:.8rem;transition:all .2s;cursor:pointer;border:1px solid transparent;white-space:nowrap;gap:6px;height:36px}.nav-btn-primary{background:var(--color-primary);color:#fff}.nav-btn-outline{background:#fff;border:1px solid var(--color-border);color:var(--color-text)}.nav-btn:hover{opacity:.9}.nav-btn-icon{width:32px;height:32px;padding:0;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--color-primary);background:transparent;border:none}.nav-btn-icon:hover{background:rgba(var(--color-primary-rgb),.1)}.nav-currency-select{background:var(--color-bg);border:1px solid var(--color-border);border-radius:6px;font-size:.8rem;font-weight:600;padding:4px 8px;cursor:pointer;height:36px}.nav-arrow:hover{background-color:var(--color-bg);border-color:var(--color-primary)!important;color:var(--color-primary)!important;transform:translate(2px)}.text-input{width:100%;padding:12px;background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:1rem;color:var(--color-text);outline:none;transition:border-color .2s}.text-input:focus{border-color:var(--color-primary)}.action-btn{width:100%;padding:var(--spacing-md);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));color:#fff;font-weight:600;font-size:1.1rem;border-radius:var(--radius-md);border:none;cursor:pointer;transition:opacity .2s;box-shadow:var(--shadow-lg)}.action-btn:hover{opacity:.9}.option-btn{padding:var(--spacing-md);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);transition:all .2s;cursor:pointer}.option-btn:hover{border-color:var(--color-accent);color:var(--color-text)}.option-btn.active{background-color:var(--color-accent);color:#fff;border-color:var(--color-accent)}.options-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.summary-box{margin-top:auto;padding:var(--spacing-lg);background-color:var(--color-bg);border-top:1px solid var(--color-border);border-radius:var(--radius-md)}.product-menu-btn{cursor:pointer;padding:4px 8px;margin:-4px -8px;border-radius:6px;transition:background-color .2s;display:flex;align-items:center;gap:4px}.product-menu-btn:hover{background-color:#0000000d}.product-menu-dropdown{position:absolute;top:100%;left:40px;width:240px;background-color:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--color-border);border-radius:12px;box-shadow:0 20px 40px -10px #00000026,0 10px 20px -10px #0000001a;padding:8px;z-index:10000;margin-top:12px;max-height:80vh;overflow-y:auto;transform-origin:top left;animation:menuSlide .25s cubic-bezier(.16,1,.3,1)}@media(max-width:768px){.product-menu-dropdown{width:calc(100% + 12px);left:0;right:-12px;border-radius:0 0 12px 12px;margin-top:10px;box-shadow:0 15px 30px -5px #0000001a}}.product-menu-item{width:100%;text-align:left;padding:10px 12px;background:none;border:none;border-radius:8px;cursor:pointer;color:var(--color-text);font-size:.9rem;font-weight:500;transition:all .15s;display:flex;align-items:center;gap:10px}.product-menu-item:hover{background-color:var(--color-bg);color:var(--color-primary);transform:translate(2px)}.product-menu-item.active{background-color:var(--color-bg);color:var(--color-primary);font-weight:600}@keyframes menuSlide{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}