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var(--transition-fast)}.quantity-btn:hover{background-color:var(--light-gray)}.quantity-value{min-width:30px;text-align:center}.item-actions{flex:1;text-align:center}.remove-btn{color:var(--error);background:none;border:none;cursor:pointer;font-weight:var(--font-weight-semibold)}.cart-summary{flex:1;min-width:300px}.summary-section{background-color:var(--light);border-radius:var(--radius-lg);padding:var(--spacing-lg)}.summary-title{font-size:var(--font-size-heading-4);margin-bottom:var(--spacing-lg);color:var(--dark);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--light-gray)}.summary-row{display:flex;justify-content:space-between;padding:var(--spacing-sm) 0}.summary-row.discount{color:var(--success)}.summary-row.total{font-weight:var(--font-weight-bold);font-size:var(--font-size-lg);border-top:1px solid var(--light-gray);margin-top:var(--spacing-sm);padding-top:var(--spacing-sm)}.promo-code{display:flex;gap:var(--spacing-sm);margin:var(--spacing-lg) 0}.promo-input{flex:1;padding:var(--spacing-sm);border:1px solid var(--light-gray);border-radius:var(--radius-md)}.summary-actions{display:flex;flex-direction:column;gap:var(--spacing-sm)}.summary-actions .btn{width:100%}@media (max-width: 768px){.cart-content{flex-direction:column}.items-header{display:none}.cart-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.item-product{width:100%}.item-price,.item-quantity,.item-total,.item-actions{width:100%;text-align:left;display:flex;justify-content:space-between}.item-actions{justify-content:flex-end}.promo-code{flex-direction:column}}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;margin-top:var(--header-height, 80px)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius-md);font-family:var(--font-secondary);font-size:var(--font-size-regular);font-weight:var(--font-weight-semibold);text-align:center;text-decoration:none;cursor:pointer;transition:all var(--transition-fast);outline:none}.btn:focus{box-shadow:var(--shadow-focus)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary);color:var(--background)}.btn-primary:hover:not(:disabled){background-color:var(--primary-dark);transform:translateY(-2px)}.btn-primary.added{background-color:var(--success)}.btn-outline{background-color:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover:not(:disabled){background-color:var(--primary);color:var(--background)}.btn-outline.active{background-color:var(--primary);color:var(--background)}.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:var(--font-size-md)}@media (max-width: 768px){.main-content{margin-top:var(--header-height-mobile, 60px)}.container{padding:0 var(--spacing-sm)}.btn-large{padding:var(--spacing-sm) var(--spacing-lg);font-size:var(--font-size-regular)}}:root{--primary: #FF6B35;--primary-dark: #E55A26;--primary-light: #FF8C5A;--secondary: #6C757D;--secondary-light: #8A9298;--secondary-dark: #545B62;--background: #FFFFFF;--background-dark: #121212;--light: #F8F9FA;--light-gray: #E9ECEF;--dark: #212529;--gray: #6C757D;--success: #28A745;--warning: #FFC107;--error: #DC3545;--info: #17A2B8;--font-primary: "Poppins", sans-serif;--font-secondary: "Open Sans", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-regular: 1rem;--font-size-md: 1.125rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-xxl: 1.875rem;--font-size-xxxl: 2.25rem;--font-size-heading-1: 3rem;--font-size-heading-2: 2.25rem;--font-size-heading-3: 1.875rem;--font-size-heading-4: 1.5rem;--font-size-heading-5: 1.25rem;--font-size-heading-6: 1.125rem;--font-weight-light: 300;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--spacing-xxxl: 4rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-xxl: 1.5rem;--radius-circle: 50%;--radius-pill: 9999px;--shadow-light: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24);--shadow-medium: 0 3px 6px rgba(0, 0, 0, .16), 0 3px 6px rgba(0, 0, 0, .23);--shadow-heavy: 0 10px 20px rgba(0, 0, 0, .19), 0 6px 6px rgba(0, 0, 0, .23);--shadow-focus: 0 0 0 3px rgba(67, 97, 238, .25);--transition-fast: .15s ease;--transition-medium: .3s ease;--transition-slow: .5s ease;--breakpoint-xs: 0;--breakpoint-sm: 576px;--breakpoint-md: 768px;--breakpoint-lg: 992px;--breakpoint-xl: 1200px;--breakpoint-xxl: 1400px;--z-index-dropdown: 1000;--z-index-sticky: 1020;--z-index-fixed: 1030;--z-index-modal-backdrop: 1040;--z-index-modal: 1050;--z-index-popover: 1060;--z-index-tooltip: 1070}@media (max-width: 768px){:root{--font-size-heading-1: 2.25rem;--font-size-heading-2: 1.875rem;--font-size-heading-3: 1.5rem;--font-size-xl: 1.25rem;--font-size-lg: 1.125rem}}@media (max-width: 576px){:root{--font-size-heading-1: 1.875rem;--font-size-heading-2: 1.5rem;--font-size-heading-3: 1.25rem;--font-size-xl: 1.125rem}}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:#333;background-color:#fff}a{text-decoration:none;color:inherit}ul,ol{list-style:none}button,input,textarea{font-family:inherit;font-size:inherit}:root{--primary: #4361ee;--primary-dark: #3a56d4;--primary-light: #5a74f0;--secondary: #7209b7;--secondary-dark: #6308a0;--secondary-light: #811ac4;--dark: #1a1a2e;--light: #f8f9fa;--gray: #6c757d;--light-gray: #e9ecef;--success: #4caf50;--warning: #ff9800;--danger: #f44336;--info: #2196f3;--font-primary: "Poppins", sans-serif;--font-secondary: "Open Sans", sans-serif;--heading-1: 2.5rem;--heading-2: 2rem;--heading-3: 1.75rem;--heading-4: 1.5rem;--body-large: 1.125rem;--body-regular: 1rem;--body-small: .875rem;--caption: .75rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--shadow-light: 0 2px 4px rgba(0,0,0,.1);--shadow-medium: 0 4px 6px rgba(0,0,0,.1);--shadow-heavy: 0 10px 15px rgba(0,0,0,.1);--radius-small: 4px;--radius-medium: 8px;--radius-large: 16px;--radius-circle: 50%;--transition-fast: .2s ease-in-out;--transition-medium: .3s ease-in-out;--transition-slow: .5s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-secondary);color:var(--dark);background-color:var(--light);line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-primary);font-weight:600;line-height:1.3;margin-bottom:var(--spacing-md)}h1{font-size:var(--heading-1)}h2{font-size:var(--heading-2)}h3{font-size:var(--heading-3)}h4{font-size:var(--heading-4)}p{margin-bottom:var(--spacing-md)}a{text-decoration:none;color:var(--primary);transition:color var(--transition-fast)}a:hover{color:var(--primary-dark)}img{max-width:100%;height:auto}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.btn{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-small);font-family:var(--font-primary);font-weight:500;font-size:var(--body-regular);cursor:pointer;transition:all var(--transition-fast);text-align:center}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-medium)}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-secondary:hover{background-color:var(--secondary-dark);transform:translateY(-2px);box-shadow:var(--shadow-medium)}.btn-outline{background-color:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background-color:var(--primary);color:#fff}.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:var(--body-large)}.text-center{text-align:center}.text-primary{color:var(--primary)}.text-secondary{color:var(--secondary)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-danger{color:var(--danger)}.text-light{color:var(--light)}.text-dark{color:var(--dark)}.bg-light{background-color:var(--light)}.bg-dark{background-color:var(--dark)}.bg-primary{background-color:var(--primary)}.bg-secondary{background-color:var(--secondary)}@media (min-width: 576px){.container{padding:0 var(--spacing-lg)}}@media (min-width: 768px){.container{padding:0 var(--spacing-xl)}}@media (min-width: 992px){.container{padding:0 var(--spacing-xxl)}}