@custom-variant dark (&:is(.dark *));:root{--font-size: 16px;--background: #ffffff;--foreground: oklch(.145 0 0);--card: #ffffff;--card-foreground: oklch(.145 0 0);--popover: oklch(1 0 0);--popover-foreground: oklch(.145 0 0);--primary: #030213;--primary-foreground: oklch(1 0 0);--secondary: oklch(.95 .0058 264.53);--secondary-foreground: #030213;--muted: #ececf0;--muted-foreground: #717182;--accent: #e9ebef;--accent-foreground: #030213;--destructive: #d4183d;--destructive-foreground: #ffffff;--border: rgba(0, 0, 0, .1);--input: transparent;--input-background: #f3f3f5;--switch-background: #cbced4;--font-weight-medium: 500;--font-weight-normal: 400;--ring: oklch(.708 0 0);--chart-1: oklch(.646 .222 41.116);--chart-2: oklch(.6 .118 184.704);--chart-3: oklch(.398 .07 227.392);--chart-4: oklch(.828 .189 84.429);--chart-5: oklch(.769 .188 70.08);--radius: .625rem;--sidebar: oklch(.985 0 0);--sidebar-foreground: oklch(.145 0 0);--sidebar-primary: #030213;--sidebar-primary-foreground: oklch(.985 0 0);--sidebar-accent: oklch(.97 0 0);--sidebar-accent-foreground: oklch(.205 0 0);--sidebar-border: oklch(.922 0 0);--sidebar-ring: oklch(.708 0 0);--blue-600: #3B82F6;--blue-700: #2563EB;--blue-50: #EFF6FF;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-300: #D1D5DB;--gray-600: #4B5563;--gray-700: #374151;--gray-800: #1F2937;--gray-900: #111827;--gray-500: #6B7280;--red-600: #EF4444;--red-700: #DC2626}.dark{--background: #1F2937;--foreground: #F9FAFB;--card: #374151;--card-foreground: #F9FAFB;--popover: #374151;--popover-foreground: #F9FAFB;--primary: #F9FAFB;--primary-foreground: #1F2937;--secondary: #4B5563;--secondary-foreground: #F9FAFB;--muted: #4B5563;--muted-foreground: #D1D5DB;--accent: #4B5563;--accent-foreground: #F9FAFB;--destructive: #EF4444;--destructive-foreground: #FFFFFF;--border: rgba(255, 255, 255, .1);--input: #4B5563;--input-background: #4B5563;--ring: #3B82F6;--font-weight-medium: 500;--font-weight-normal: 400;--chart-1: oklch(.488 .243 264.376);--chart-2: oklch(.696 .17 162.48);--chart-3: oklch(.769 .188 70.08);--chart-4: oklch(.627 .265 303.9);--chart-5: oklch(.645 .246 16.439);--sidebar: #374151;--sidebar-foreground: #F9FAFB;--sidebar-primary: #3B82F6;--sidebar-primary-foreground: #F9FAFB;--sidebar-accent: #4B5563;--sidebar-accent-foreground: #F9FAFB;--sidebar-border: #4B5563;--sidebar-ring: #3B82F6;--gray-50: #1F2937;--gray-100: #374151;--gray-300: #6B7280;--gray-500: #9CA3AF;--gray-600: #D1D5DB;--gray-700: #E5E7EB;--gray-800: #374151;--gray-900: #111827}*{margin:0;padding:0;box-sizing:border-box;border-color:var(--border)}html{overflow-x:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background);color:var(--foreground);padding:0 20px;font-size:var(--font-size);transition:background-color .3s ease,color .3s ease;margin:0;overflow-x:hidden}#root{max-width:80rem;margin:0 auto;background:transparent;padding:0}@media (max-width: 80rem){.app-header,.app-footer{padding-left:1.5rem;padding-right:1.5rem}}@media (max-width: 768px){body{padding:0 10px}.app-header,.app-footer{padding-left:1rem;padding-right:1rem}}.app-header{background:var(--card);border-radius:0;padding:1rem 1.5rem;margin-bottom:2rem;margin-top:0;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f;width:100vw;position:relative;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw;padding-left:calc(50vw - 38.5rem);padding-right:calc(50vw - 38.5rem);padding-top:1rem;padding-bottom:1rem}.header-content{max-width:80rem;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:2rem;position:relative}.header-brand{display:flex;align-items:center;gap:.75rem;flex-shrink:0;background:none;border:none;padding:0;cursor:pointer;transition:opacity .2s ease}.header-brand:hover{opacity:.8}.header-logo-img{width:64px;height:64px;object-fit:contain}.header-title{font-size:1.5rem;font-weight:700;color:var(--foreground);margin:0;white-space:nowrap}.header-domain{font-size:1rem}.nav-container{display:flex;justify-content:center;align-items:center;position:absolute;left:50%;transform:translate(-50%);z-index:1;pointer-events:none}.nav-links{pointer-events:auto}.header-actions{display:flex;align-items:center;gap:1rem;flex-shrink:0;position:relative;z-index:2}.btn-template-manager{padding:.75rem 1.5rem;background-color:var(--gray-800);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:1rem;font-weight:var(--font-weight-medium);transition:background-color .2s;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f;white-space:nowrap}.dark .btn-template-manager{background-color:#111827}.btn-template-manager:hover{opacity:.9}.dark .btn-template-manager:hover{background-color:#1f2937}.nav-links{display:flex;gap:2rem;align-items:center}.nav-link{background:none;border:none;color:var(--foreground);font-size:1rem;font-weight:var(--font-weight-normal);cursor:pointer;padding:.5rem 0;transition:color .2s ease;position:relative}.nav-link:hover{color:var(--blue-600)}.nav-link.active{color:var(--blue-600);font-weight:var(--font-weight-medium)}.nav-link.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background-color:var(--blue-600)}.theme-toggle-btn{background:var(--muted);border:none;border-radius:var(--radius);padding:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--foreground);transition:background-color .2s ease,transform .2s ease}.theme-toggle-btn:hover{background:var(--accent);transform:scale(1.05)}@media (max-width: 768px){.app-header{padding:1rem}.header-content{flex-wrap:wrap;gap:.75rem;position:relative}.header-brand{flex:1 1 auto;min-width:0}.header-logo-img{width:48px;height:48px}.header-title{font-size:1.125rem}.header-domain{font-size:.875rem}.nav-container{position:static;transform:none;width:100%;order:3;margin-top:.5rem}.nav-links{gap:1rem;width:100%;justify-content:center;flex-wrap:wrap}.nav-link{font-size:.875rem;padding:.375rem .5rem}.header-actions{flex-shrink:0;gap:.5rem;order:2}.btn-template-manager{padding:.5rem .75rem;font-size:.75rem;white-space:nowrap}.theme-toggle-btn{padding:.5rem;min-width:36px}}.app-footer{background-color:#1f2937;color:#d1d5db;margin-top:4rem;padding:3rem 1.5rem 1.5rem;border-radius:var(--radius);width:100vw;position:relative;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw;padding-left:calc(50vw - 38.5rem);padding-right:calc(50vw - 38.5rem);margin-bottom:0}.dark .app-footer{background:var(--card);color:var(--card-foreground)}.footer-content{max-width:80rem;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;margin-bottom:2rem}.footer-section{display:flex;flex-direction:column;gap:1rem}.footer-brand{max-width:400px}.footer-logo{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem;background:none;border:none;padding:0;cursor:pointer;transition:opacity .2s ease}.footer-logo:hover{opacity:.8}.footer-logo-img{width:64px;height:64px;object-fit:contain}.footer-brand-name{font-size:1.25rem;font-weight:700;color:#fff}.footer-domain{font-size:.875rem}.footer-description{font-size:.875rem;line-height:1.6;color:#9ca3af}.footer-heading{font-size:1rem;font-weight:700;color:#fff;margin-bottom:.5rem}.footer-link-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem}.footer-link{color:#9ca3af;text-decoration:none;font-size:.875rem;transition:color .2s ease}.footer-link:hover{color:#fff}.footer-social{display:flex;gap:1rem;margin-top:.5rem}.footer-social-link{color:#9ca3af;transition:color .2s ease;display:flex;align-items:center;justify-content:center}.footer-social-link:hover{color:#fff}.footer-copyright{border-top:1px solid #374151;padding-top:1.5rem;text-align:center}.footer-copyright p{margin:0;font-size:.875rem;color:#9ca3af}@media (max-width: 768px){.footer-content{grid-template-columns:1fr;gap:2rem}.app-footer{padding:2rem 1rem 1rem}}.invoice-form{width:100%;padding:2rem;background:var(--card);border-radius:var(--radius);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f;margin-bottom:2rem}.invoice-header{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem}.header-left{display:flex;flex-direction:column;gap:1rem}.company-name-input{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1.25rem;font-weight:600;color:var(--foreground);background-color:var(--card)}.company-name-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.company-name-input.error{border-color:var(--destructive)}.company-name-input.error:focus{box-shadow:0 0 0 2px #d4183d80}.error-message{color:var(--destructive);font-size:.875rem;margin-top:.25rem;display:block}.error-message.items-error{margin-bottom:.75rem;padding:.5rem;background-color:#fef2f2;border:1px solid var(--destructive);border-radius:var(--radius)}.plus-icon{font-size:1.125rem;color:var(--blue-600);font-weight:var(--font-weight-normal)}.currency-selector{display:flex;align-items:center;gap:.75rem}.currency-selector label{font-size:1rem;font-weight:var(--font-weight-medium);color:var(--foreground)}.currency-select{padding:.5rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;background-color:var(--card);cursor:pointer;color:var(--foreground)}.currency-select:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.header-right{display:flex;flex-direction:column;width:100%}.invoice-title-section{display:flex;flex-direction:column;align-items:flex-end;gap:1rem;width:100%}.invoice-title-input{font-size:1.25rem;font-weight:600;color:var(--foreground);border:1px solid var(--border);background:var(--card);padding:.75rem 1rem;margin:0;outline:none;width:100%;font-family:inherit;text-align:right;border-radius:var(--radius)}.invoice-title-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.invoice-number-section{display:flex;align-items:center;gap:.5rem;justify-content:flex-end;width:100%}.invoice-number-section label{font-size:1rem;font-weight:var(--font-weight-medium);color:var(--foreground)}.invoice-number-input{width:8rem;padding:.5rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;text-align:center;color:var(--foreground);background-color:var(--card)}.invoice-number-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.invoice-body{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem}.body-left{display:flex;flex-direction:column;gap:1rem}.section-label{display:block;font-weight:var(--font-weight-medium);font-size:1rem;color:var(--foreground);margin-bottom:.5rem}.bill-to-input,.ship-to-input{width:100%;min-height:100px;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;font-family:inherit;resize:vertical;color:var(--foreground);background-color:var(--card)}.bill-to-input:focus,.ship-to-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.bill-to-input.error,.ship-to-input.error{border-color:var(--destructive)}.bill-to-input.error:focus,.ship-to-input.error:focus{box-shadow:0 0 0 2px #d4183d80}.bill-to-input::placeholder,.ship-to-input::placeholder{color:var(--muted-foreground)}.body-right{display:flex;justify-content:flex-start}.invoice-details{display:flex;flex-direction:column;gap:1rem;width:100%}.detail-row{display:flex;flex-direction:column;gap:.5rem}.detail-row label{font-size:1rem;font-weight:var(--font-weight-medium);color:var(--foreground)}.detail-row input{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;color:var(--foreground);background-color:var(--card)}.detail-row input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.detail-row input.error{border-color:var(--destructive)}.detail-row input.error:focus{box-shadow:0 0 0 2px #d4183d80}.detail-input-wrapper{width:100%;display:flex;flex-direction:column}.detail-input-wrapper .error-message{margin-top:.25rem;text-align:left}.items-section{margin-bottom:2rem}.items-header{display:grid;grid-template-columns:2fr 96px 128px 100px 40px;gap:.75rem;background-color:var(--gray-800);color:#fff;padding:.75rem;border-radius:0;font-weight:700;font-size:1rem}.item-col{text-align:left}.item-col.amount{text-align:right}.item-col.delete-col{text-align:center}.delete-col-cell{display:flex;align-items:center;justify-content:center}.item-row{display:grid;grid-template-columns:2fr 96px 128px 100px 40px;gap:.75rem;padding:.5rem;border-bottom:1px solid var(--border);align-items:center;background-color:var(--card);transition:opacity .3s ease,transform .3s ease,background-color .3s ease}.item-row.deleting{opacity:.5;background-color:#fef2f2;transform:translate(-10px);animation:slideOut .3s ease-out}.item-row:hover{background-color:var(--gray-50)}.item-row:last-child{border-bottom:none}.item-input{padding:.5rem .75rem;border:1px solid var(--border);border-radius:.375rem;font-size:1rem;width:100%;color:var(--foreground);background-color:var(--card)}.item-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.item-amount{font-size:1rem;font-weight:var(--font-weight-medium);color:var(--foreground);text-align:right}.rate-input-wrapper{display:flex;align-items:center;gap:.25rem}.currency-symbol{color:var(--muted-foreground);font-size:1rem}.add-line-item-btn{margin-top:1rem;padding:.5rem 1rem;background-color:transparent;color:var(--blue-600);border:none;border-radius:var(--radius);cursor:pointer;font-size:1rem;font-weight:var(--font-weight-medium);display:flex;align-items:center;gap:.5rem;transition:background-color .2s}.add-line-item-btn:hover{background-color:var(--blue-50)}.add-line-item-btn .plus-icon{font-size:1.125rem;color:var(--blue-600)}.remove-item-btn{background:none;border:none;color:var(--destructive);font-size:1.5rem;cursor:pointer;padding:0;width:100%;height:24px;display:flex;align-items:center;justify-content:center;line-height:1}.remove-item-btn:hover{color:var(--red-700)}.delete-button-wrapper{display:flex;align-items:center;gap:.25rem;justify-content:center}.spinner{width:12px;height:12px;border:2px solid var(--gray-300);border-top-color:var(--red-600);border-radius:50%;animation:spin .6s linear infinite}.undo-delete-btn{background:var(--destructive);color:var(--destructive-foreground);border:none;padding:.25rem .5rem;border-radius:var(--radius);font-size:.75rem;cursor:pointer;font-weight:var(--font-weight-medium);transition:opacity .2s ease}.invoice-footer{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}.footer-left{display:flex;flex-direction:column;gap:1rem}.notes-input,.terms-input{width:100%;min-height:120px;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;font-family:inherit;resize:vertical;color:var(--foreground);background-color:var(--card)}.notes-input:focus,.terms-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.notes-input::placeholder,.terms-input::placeholder{color:var(--muted-foreground)}.footer-right{display:flex;justify-content:flex-start}.summary-section{min-width:300px;display:flex;flex-direction:column;gap:.75rem}.summary-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.5rem 0}.summary-row label{font-size:1rem;font-weight:var(--font-weight-medium);color:var(--foreground)}.summary-value{font-size:1rem;font-weight:var(--font-weight-medium);color:var(--foreground);text-align:right}.tax-input-wrapper{display:flex;align-items:center;gap:1rem}.tax-input{width:5rem;padding:.5rem .75rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;text-align:right;color:var(--foreground);background-color:var(--card)}.tax-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.tax-input-wrapper span{font-size:1rem;color:var(--muted-foreground)}.tax-amount-display{width:6rem;text-align:right;font-size:1rem;font-weight:var(--font-weight-medium);color:var(--foreground)}.remove-option-btn{background:none;border:none;color:var(--destructive);font-size:1.125rem;cursor:pointer;padding:0 .5rem;line-height:1}.remove-option-btn:hover{color:var(--red-700)}.total-row{padding-top:.75rem;border-top:1px solid var(--border);margin-top:.25rem}.total-value{font-size:1.125rem;font-weight:700;color:var(--foreground)}.amount-paid-wrapper{display:flex;align-items:center;gap:.25rem}.amount-paid-input{width:8rem;padding:.5rem .75rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;text-align:right;color:var(--foreground);background-color:var(--card)}.amount-paid-input:focus{outline:none;border-color:var(--blue-600);box-shadow:0 0 0 2px #3b82f680}.balance-row{padding-top:.75rem;border-top:1px solid var(--border);margin-top:.25rem}.balance-value{font-size:1.125rem;font-weight:700;color:var(--foreground)}.invoice-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:flex-end;align-items:center;margin-top:2rem}.template-saved-message{display:flex;align-items:center;gap:.5rem;color:#10b981;font-size:.875rem;font-weight:var(--font-weight-medium);padding:.5rem 1rem;background-color:#ecfdf5;border-radius:var(--radius);animation:fadeIn .3s ease-in}.template-saved-message .checkmark{font-size:1rem;font-weight:700}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.save-template-btn{padding:.75rem 1.5rem;background-color:var(--gray-600);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:1rem;font-weight:var(--font-weight-medium);transition:background-color .2s;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.save-template-btn:hover{background-color:var(--gray-700)}.generate-invoice-btn{padding:.75rem 1.5rem;background-color:var(--blue-600);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:1rem;font-weight:var(--font-weight-medium);transition:background-color .2s;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.generate-invoice-btn:hover{background-color:var(--blue-700)}@media (max-width: 768px){.invoice-form{padding:1.5rem}.invoice-header{grid-template-columns:1fr;gap:1rem;margin-bottom:1.5rem}.header-right{justify-content:flex-start}.invoice-title-section{width:100%}.invoice-title-input{font-size:1.25rem;width:100%;text-align:right}.invoice-number-section,.invoice-number-input{width:100%}.invoice-body{grid-template-columns:1fr;gap:1rem;margin-bottom:1.5rem}.body-right{justify-content:flex-start}.invoice-details{width:100%}.detail-row{flex-direction:column;gap:.5rem}.detail-row input,.detail-input-wrapper{width:100%}.detail-input-wrapper .error-message{text-align:left}.items-section{margin-bottom:1.5rem;overflow-x:auto}.items-header{grid-template-columns:2fr .8fr .8fr .8fr 40px;gap:.5rem;padding:.625rem .75rem;font-size:.875rem}.item-row{grid-template-columns:2fr .8fr .8fr .8fr 40px;gap:.5rem;padding:.625rem .75rem}.item-input{font-size:.875rem;padding:.5rem}.item-amount{font-size:.875rem}.remove-item-btn{font-size:1.25rem;width:20px;height:20px}.undo-delete-btn{font-size:.7rem;padding:.2rem .4rem}.spinner{width:10px;height:10px}.invoice-footer{grid-template-columns:1fr;gap:1rem;margin-bottom:1rem}.footer-right{justify-content:flex-start}.summary-section{min-width:100%;width:100%}.summary-row{flex-wrap:wrap}.tax-input-wrapper,.amount-paid-wrapper{width:100%;justify-content:flex-end}.amount-paid-input{width:120px}.invoice-actions{flex-direction:column;gap:.75rem}.save-template-btn,.generate-invoice-btn{width:100%;padding:.75rem 1.5rem;font-size:1rem;min-height:44px}.add-line-item-btn{width:100%;padding:.75rem 1.5rem;font-size:1rem;justify-content:center;min-height:44px}.currency-selector{flex-wrap:wrap}.currency-select{flex:1;min-width:150px}}@media (max-width: 480px){.invoice-title-input{font-size:1.25rem;text-align:left}.items-header{grid-template-columns:1.5fr .7fr .7fr .7fr 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