@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--color-primary: hsl(210, 100%, 56%);--color-primary-dark: hsl(210, 100%, 46%);--color-primary-light: hsl(210, 100%, 66%);--color-secondary: hsl(280, 70%, 60%);--color-accent: hsl(340, 82%, 62%);--color-success: hsl(142, 71%, 45%);--color-warning: hsl(38, 92%, 50%);--color-error: hsl(0, 84%, 60%);--color-info: hsl(199, 89%, 48%);--color-bg: hsl(220, 18%, 10%);--color-bg-secondary: hsl(220, 18%, 14%);--color-bg-tertiary: hsl(220, 18%, 18%);--color-surface: hsl(220, 18%, 22%);--color-surface-hover: hsl(220, 18%, 26%);--color-text: hsl(0, 0%, 98%);--color-text-secondary: hsl(0, 0%, 75%);--color-text-muted: hsl(0, 0%, 55%);--color-border: hsl(220, 18%, 30%);--color-border-light: hsl(220, 18%, 35%);--gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);--gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);--gradient-success: linear-gradient(135deg, hsl(142, 71%, 45%) 0%, hsl(142, 71%, 55%) 100%);--space-xs: .25rem;--space-sm: .5rem;--space-md: .75rem;--space-lg: 1rem;--space-xl: 1.5rem;--space-2xl: 2rem;--space-3xl: 3rem;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-mono: "Fira Code", "Courier New", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.75rem;--text-4xl: 2rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6), 0 10px 10px -5px rgba(0, 0, 0, .3);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--z-dropdown: 1000;--z-modal: 2000;--z-toast: 3000;--z-tooltip: 4000}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:var(--text-base);font-weight:var(--font-normal);line-height:1.6;color:var(--color-text);background:var(--color-bg);min-height:100vh}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:var(--font-bold);line-height:1.2;margin-bottom:var(--space-md)}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}p{margin-bottom:var(--space-md)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-light)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-surface);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-surface-hover)}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 var(--space-lg)}.glass{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-lg)}.glass-strong{background:#ffffff14;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.15);box-shadow:var(--shadow-xl)}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.animate-fadeIn{animation:fadeIn var(--transition-base) ease-out}.animate-slideIn{animation:slideIn var(--transition-base) ease-out}.animate-scaleIn{animation:scaleIn var(--transition-base) ease-out}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.skeleton{background:linear-gradient(90deg,var(--color-surface) 0%,var(--color-surface-hover) 50%,var(--color-surface) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}@media (max-width: 768px){:root{--text-4xl: 1.875rem;--text-3xl: 1.5rem;--text-2xl: 1.25rem}.container{padding:0 var(--space-md)}.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}@media (min-width: 769px) and (max-width: 1024px){.grid-cols-3,.grid-cols-4{grid-template-columns:repeat(2,1fr)}}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::selection{background:var(--color-primary);color:#fff}:disabled{opacity:.5;cursor:not-allowed}.input-container{display:flex;flex-direction:column;gap:var(--space-sm)}.input-full{width:100%}.input-label{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-secondary)}.input-wrapper{position:relative;display:flex;align-items:center}.input{width:100%;padding:var(--space-md) var(--space-lg);font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base)}.input-with-icon{padding-left:3rem}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.input:hover:not(:focus){border-color:var(--color-border-light)}.input::placeholder{color:var(--color-text-muted)}.input-error{border-color:var(--color-error)}.input-error:focus{border-color:var(--color-error);box-shadow:0 0 0 3px #ef44441a}.input-icon{position:absolute;left:var(--space-md);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);pointer-events:none}.input-error-text{font-size:var(--text-sm);color:var(--color-error)}.input:disabled{opacity:.5;cursor:not-allowed;background:var(--color-bg-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);font-family:var(--font-sans);font-weight:var(--font-semibold);border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:var(--space-sm) var(--space-md);font-size:var(--text-sm)}.btn-md{padding:var(--space-md) var(--space-xl);font-size:var(--text-base)}.btn-lg{padding:var(--space-lg) var(--space-2xl);font-size:var(--text-lg)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){filter:brightness(1.1)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-surface-hover);border-color:var(--color-border-light)}.btn-success{background:var(--gradient-success);color:#fff;box-shadow:var(--shadow-md)}.btn-success:hover:not(:disabled){filter:brightness(1.1)}.btn-danger{background:var(--color-error);color:#fff;box-shadow:var(--shadow-md)}.btn-danger:hover:not(:disabled){filter:brightness(1.1)}.btn-ghost{background:transparent;color:var(--color-text);border:1px solid transparent}.btn-ghost:hover:not(:disabled){background:#ffffff0d;border-color:var(--color-border)}.btn-full{width:100%}.btn-loading{pointer-events:none}.btn-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.btn-icon{display:flex;align-items:center;justify-content:center}.btn-text{display:flex;align-items:center}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-xl);box-shadow:var(--shadow-md);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:var(--space-xl)}.login-background{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 20% 50%,rgba(59,130,246,.15) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(168,85,247,.15) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(236,72,153,.1) 0%,transparent 50%);animation:pulse 8s ease-in-out infinite}.login-container{position:relative;z-index:1;width:100%;max-width:450px;display:flex;flex-direction:column;gap:var(--space-xl)}.login-card{padding:var(--space-3xl)}.login-header{text-align:center;margin-bottom:var(--space-2xl)}.login-logo{display:flex;justify-content:center;margin-bottom:var(--space-lg)}.logo-icon{width:80px;height:80px;background:var(--gradient-primary);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;font-size:2.5rem;box-shadow:var(--shadow-xl);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.login-header h1{font-size:var(--text-4xl);margin-bottom:var(--space-sm);letter-spacing:2px}.login-subtitle{color:var(--color-text-secondary);font-size:var(--text-sm);margin:0}.login-form{display:flex;flex-direction:column;gap:var(--space-lg)}.login-error{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);background:#ef44441a;border:1px solid var(--color-error);border-radius:var(--radius-lg);color:var(--color-error);font-size:var(--text-sm)}.login-footer{margin-top:var(--space-lg);text-align:center}.login-footer-text{color:var(--color-text-secondary);font-size:var(--text-sm);margin:0}.login-link{color:var(--color-primary);font-weight:var(--font-medium);text-decoration:none;transition:color var(--transition-fast)}.login-link:hover{color:var(--color-primary-light);text-decoration:underline}.login-info{text-align:center;color:var(--color-text-secondary);font-size:var(--text-sm);animation:fadeIn 1s ease-out .5s both}@media (max-width: 768px){.login-card{padding:var(--space-2xl)}.logo-icon{width:60px;height:60px;font-size:2rem}}.dashboard-page{max-width:1400px}.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-2xl);gap:var(--space-lg)}.dashboard-header h1{margin-bottom:var(--space-sm)}.dashboard-subtitle{color:var(--color-text-secondary);margin:0}.stats-grid-dashboard{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-lg);margin-bottom:var(--space-xl)}.stat-card{border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:2rem;box-shadow:var(--shadow-md);flex-shrink:0}.stat-card .stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:var(--shadow-md);flex-shrink:0}.stat-content{flex:1;min-width:0}.stat-label{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-xs);font-weight:var(--font-medium);text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:var(--text-3xl);font-weight:var(--font-bold);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-xs);line-height:1.2}.stat-detail{font-size:var(--text-sm);color:var(--color-text-muted)}.stat-warning{color:var(--color-error);font-weight:var(--font-medium)}.stat-success{color:var(--color-success);font-weight:var(--font-medium)}.dashboard-section{margin-bottom:var(--space-3xl)}.dashboard-section h2{margin-bottom:var(--space-xl);font-size:var(--text-2xl)}.quick-actions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-lg)}.quick-action-card{text-decoration:none;color:inherit}.action-card{text-align:center;padding:var(--space-xl);transition:all var(--transition-base);cursor:pointer}.action-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.action-icon{font-size:2rem;margin-bottom:var(--space-md)}.action-title{font-size:var(--text-lg);font-weight:var(--font-bold);margin-bottom:var(--space-sm);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.action-description{font-size:var(--text-sm);color:var(--color-text-secondary)}.dashboard-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-xl)}.dashboard-col{margin-bottom:0}.recent-sales-list{display:flex;flex-direction:column;gap:var(--space-md)}.recent-sale-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-lg);background:var(--color-surface);border-radius:var(--radius-md);transition:all var(--transition-base)}.recent-sale-item:hover{background:var(--color-surface-hover);transform:translate(4px)}.sale-item-left{display:flex;align-items:center;gap:var(--space-md)}.sale-number{width:48px;height:48px;border-radius:var(--radius-full);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-weight:var(--font-bold);color:#fff;font-size:var(--text-sm);flex-shrink:0}.sale-details{display:flex;flex-direction:column;gap:var(--space-xs)}.sale-customer{font-weight:var(--font-semibold)}.sale-time{font-size:var(--text-sm);color:var(--color-text-muted)}.sale-item-right{text-align:right}.sale-total{font-size:var(--text-lg);font-weight:var(--font-bold);color:var(--color-success);margin-bottom:var(--space-xs)}.sale-items{font-size:var(--text-sm);color:var(--color-text-muted)}.alert-card-dashboard{background:#ef44440d;border-color:var(--color-error)}.low-stock-list-dashboard{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-lg)}.low-stock-item-dashboard{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md);background:var(--color-surface);border-radius:var(--radius-md);border-left:4px solid var(--color-error)}.low-stock-info-dashboard{flex:1}.low-stock-name-dashboard{font-weight:var(--font-semibold);margin-bottom:var(--space-xs)}.low-stock-category-dashboard{font-size:var(--text-sm);color:var(--color-text-secondary);text-transform:capitalize}.low-stock-qty-dashboard{display:flex;align-items:center;gap:var(--space-xs);font-size:var(--text-lg);font-weight:var(--font-bold)}.stock-current-dashboard{color:var(--color-error)}.stock-separator-dashboard{color:var(--color-text-muted)}.stock-min-dashboard{color:var(--color-text-secondary)}@media (max-width: 768px){.dashboard-header{flex-direction:column;align-items:stretch}.dashboard-header h1{font-size:var(--text-2xl)}.stats-grid-dashboard{grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.stat-card{padding:var(--space-md);flex-direction:column;text-align:center}.stat-icon{width:40px;height:40px;font-size:1.25rem}.stat-value{font-size:var(--text-xl)}.stat-label,.stat-detail{font-size:var(--text-xs)}.dashboard-section{margin-bottom:var(--space-xl)}.dashboard-section h2{font-size:var(--text-xl)}.quick-actions-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.action-card{padding:var(--space-lg)}.action-icon{font-size:1.5rem}.action-title{font-size:var(--text-base)}.action-description{font-size:var(--text-xs)}.dashboard-row{grid-template-columns:1fr}.recent-sale-item{padding:var(--space-md)}.sale-item-left{gap:var(--space-sm)}.sale-number{width:36px;height:36px;font-size:var(--text-xs)}.sale-total{font-size:var(--text-base)}.sale-customer{font-size:var(--text-sm)}.low-stock-item-dashboard{flex-direction:column;align-items:flex-start;gap:var(--space-sm)}.low-stock-qty-dashboard{align-self:flex-end}}@media (max-width: 480px){.stats-grid-dashboard{grid-template-columns:1fr}.stat-card{flex-direction:row;text-align:left}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--space-lg);animation:fadeIn .2s ease-out}.modal-content{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-height:90vh;overflow-y:auto;width:100%}.modal-sm{max-width:400px}.modal-md{max-width:600px}.modal-lg{max-width:900px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-xl);border-bottom:1px solid var(--color-border)}.modal-title{margin:0;font-size:var(--text-2xl);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.modal-close{width:36px;height:36px;border:none;background:var(--color-surface);color:var(--color-text);border-radius:var(--radius-md);font-size:var(--text-xl);cursor:pointer;transition:all var(--transition-base);display:flex;align-items:center;justify-content:center}.modal-close:hover{background:var(--color-surface-hover);transform:rotate(90deg)}.modal-body{padding:var(--space-xl)}@media (max-width: 768px){.modal-overlay{padding:0;align-items:flex-end}.modal-content{max-height:95vh;max-width:100%!important;border-radius:var(--radius-xl) var(--radius-xl) 0 0;animation:slideUp .3s ease-out}.modal-header{padding:var(--space-lg);position:sticky;top:0;background:var(--color-bg-secondary);z-index:1}.modal-body{padding:var(--space-lg)}.modal-title{font-size:var(--text-xl)}}@keyframes slideUp{0%{opacity:0;transform:translateY(100px)}to{opacity:1;transform:translateY(0)}}.product-form{display:flex;flex-direction:column;gap:var(--space-xl)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}.form-group,.form-group-full{display:flex;flex-direction:column;gap:var(--space-sm)}.textarea{resize:vertical;min-height:80px;font-family:var(--font-sans)}.form-actions{display:flex;justify-content:flex-end;gap:var(--space-md);padding-top:var(--space-lg);border-top:1px solid var(--color-border)}select.input{width:100%;padding:var(--space-md) var(--space-lg);font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base);cursor:pointer}select.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}select.input option{background:var(--color-surface);color:var(--color-text)}.input-hint{font-size:var(--text-sm);color:var(--color-text-secondary);font-weight:400;font-style:italic}.input-help-text{font-size:var(--text-sm);color:var(--color-text-secondary);margin-top:var(--space-xs);padding:var(--space-sm);background:var(--color-surface);border-radius:var(--radius-md);border-left:3px solid var(--color-primary)}@media (max-width: 768px){.form-grid{grid-template-columns:1fr}.form-actions{flex-direction:column-reverse}.form-actions button{width:100%}}.products-page{max-width:1400px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-2xl);gap:var(--space-lg)}.page-header h1{margin-bottom:var(--space-sm)}.page-subtitle{color:var(--color-text-secondary);margin:0}.products-filters{margin-bottom:var(--space-xl)}.filters-row{display:flex;gap:var(--space-md)}.search-box{flex:1}.category-filter{min-width:200px}.error-card{background:#ef44441a;border-color:var(--color-error);margin-bottom:var(--space-xl)}.error-card p{margin:0;color:var(--color-error)}.empty-state{text-align:center;padding:var(--space-3xl)}.empty-icon{font-size:4rem;margin-bottom:var(--space-lg)}.empty-state h3{margin-bottom:var(--space-sm)}.products-table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.products-table{width:100%;border-collapse:collapse}.products-table thead{background:var(--color-bg-secondary);border-bottom:2px solid var(--color-border)}.products-table th{padding:var(--space-md) var(--space-lg);text-align:left;font-weight:var(--font-semibold);color:var(--color-text-secondary);font-size:var(--text-sm);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}.products-table tbody tr{border-bottom:1px solid var(--color-border);transition:background var(--transition-fast)}.products-table tbody tr:hover{background:var(--color-surface)}.products-table td{padding:var(--space-lg)}.product-info{display:flex;flex-direction:column;gap:var(--space-xs)}.product-name{font-weight:var(--font-medium);color:var(--color-text)}.product-barcode{font-size:var(--text-xs);color:var(--color-text-muted)}.category-badge{display:inline-block;padding:var(--space-xs) var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:var(--font-medium)}.price-sale{color:var(--color-success);font-weight:var(--font-semibold)}.stock-badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);font-weight:var(--font-medium)}.stock-low{background:#ef44441a;border-color:var(--color-error);color:var(--color-error)}.action-buttons{display:flex;gap:var(--space-sm)}.btn-icon{width:36px;height:36px;border:none;background:var(--color-surface);border-radius:var(--radius-md);cursor:pointer;transition:all 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var(--transition-base)}.ranking-item:hover{background:var(--color-surface-hover);transform:translate(4px)}.ranking-position{width:48px;height:48px;border-radius:var(--radius-full);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:var(--text-xl);font-weight:var(--font-bold);color:#fff;flex-shrink:0}.ranking-info{flex:1;min-width:0}.ranking-name{font-weight:var(--font-semibold);margin-bottom:var(--space-xs)}.ranking-stats{display:flex;gap:var(--space-sm);font-size:var(--text-sm);color:var(--color-text-secondary);flex-wrap:wrap}.alert-card{background:#ef44440d;border-color:var(--color-error)}.low-stock-list{display:flex;flex-direction:column;gap:var(--space-md)}.low-stock-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md);background:var(--color-surface);border-radius:var(--radius-md);border-left:4px solid var(--color-error);gap:var(--space-md)}.low-stock-info{flex:1;min-width:0}.low-stock-name{font-weight:var(--font-semibold);margin-bottom:var(--space-xs)}.low-stock-category{font-size:var(--text-sm);color:var(--color-text-secondary);text-transform:capitalize}.low-stock-qty{display:flex;align-items:center;gap:var(--space-xs);font-size:var(--text-lg);font-weight:var(--font-bold);flex-shrink:0}.stock-current{color:var(--color-error)}.stock-separator{color:var(--color-text-muted)}.stock-min{color:var(--color-text-secondary)}.empty-state-small{text-align:center;padding:var(--space-2xl);color:var(--color-text-secondary)}@media (max-width: 768px){.page-header{flex-direction:column;align-items:stretch}.page-header h1{font-size:var(--text-2xl)}.date-selector{flex-direction:column;align-items:stretch}.date-selector .input{min-width:auto}.reports-section{margin-bottom:var(--space-2xl)}.reports-section 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var(--transition-fast)}.product-dropdown-item:hover{background:var(--color-surface-hover)}.product-stock{font-size:var(--text-sm);color:var(--color-text-secondary)}.empty-items{text-align:center;padding:var(--space-3xl);color:var(--color-text-secondary)}.empty-hint{font-size:var(--text-sm);margin-top:var(--space-xs)}.purchase-items-list{display:flex;flex-direction:column;gap:var(--space-md)}.purchase-item{padding:var(--space-lg);background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border)}.purchase-item-name{font-weight:var(--font-semibold);margin-bottom:var(--space-md);font-size:var(--text-base)}.purchase-item-controls{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:var(--space-md);align-items:end}.quantity-control,.cost-control,.subtotal{display:flex;flex-direction:column;gap:var(--space-xs)}.quantity-control label,.cost-control label,.subtotal 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h2{margin-bottom:var(--space-lg);font-size:var(--text-2xl)}.table-card{padding:0!important;overflow:hidden}.purchases-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}.purchases-table{width:100%;border-collapse:collapse;font-size:var(--text-sm)}.purchases-table thead tr{background:var(--color-bg);border-bottom:2px solid var(--color-border)}.purchases-table th{padding:var(--space-md) var(--space-lg);text-align:left;font-weight:var(--font-semibold);color:var(--color-text-secondary);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}.purchases-table tbody tr{border-bottom:1px solid var(--color-border);transition:background var(--transition-fast)}.purchases-table tbody tr:last-child{border-bottom:none}.purchases-table tbody tr:hover{background:var(--color-surface)}.purchases-table td{padding:var(--space-md) var(--space-lg);color:var(--color-text);vertical-align:middle}.text-center{text-align:center!important}.text-right{text-align:right!important}.text-secondary{color:var(--color-text-secondary)!important}.font-semibold{font-weight:var(--font-semibold)!important}.font-bold{font-weight:var(--font-bold)!important}.text-success{color:var(--color-success)!important}.purchase-num-badge{display:inline-block;padding:2px var(--space-sm);background:rgba(var(--color-primary-rgb, 99, 102, 241),.12);color:var(--color-primary);border-radius:var(--radius-sm);font-weight:var(--font-semibold);font-size:var(--text-xs);white-space:nowrap}.stock-remaining-cell{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:80px}.stock-badge{font-size:var(--text-xs);font-weight:var(--font-semibold);padding:2px 8px;border-radius:999px}.stock-badge.stock-ok{background:#22c55e26;color:#16a34a}.stock-badge.stock-low{background:#eab30826;color:#ca8a04}.stock-badge.stock-empty{background:#ef444426;color:#dc2626}.stock-bar{width:100%;height:4px;background:var(--color-border);border-radius:999px;overflow:hidden}.stock-bar-fill{height:100%;border-radius:999px;transition:width .4s ease}.stock-bar-fill.stock-ok{background:#22c55e}.stock-bar-fill.stock-low{background:#eab308}.stock-bar-fill.stock-empty{background:#ef4444}.btn-detail{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);font-size:var(--text-sm);cursor:pointer;transition:all 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