:root{--bg: #ffffff;--fg: #000000;--border: #000000;--surface: #ffffff;--surface-2: #f5f5f5;--text-primary: #000000;--text-secondary: #444444;--text-muted: #888888;--color-success: #16a34a;--color-warning: #b45309;--color-error: #dc2626;--color-info: #2563eb;--color-bg: var(--bg);--color-fg: var(--fg);--color-border: var(--border);--color-surface: var(--surface);--color-text-primary: var(--text-primary);--color-text-secondary: var(--text-secondary);--color-text-muted: var(--text-muted);--color-white: #ffffff;--color-black: #000000;--color-gray-100: #f5f5f5;--color-gray-200: #e5e5e5;--color-gray-300: #d4d4d4;--color-gray-400: #a3a3a3;--color-gray-500: #737373;--color-gray-600: #525252;--color-gray-700: #404040;--color-gray-800: #262626;--color-gray-900: #171717;--color-neon-blue: var(--fg);--color-neon-green: var(--color-success);--color-neon-pink: var(--color-error);--color-dark-bg: var(--bg);--color-dark-surface: var(--surface);--color-dark-border: var(--border);--gradient-surface: var(--bg);--gradient-neon: none;--shadow-neon: none;--font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Courier New", monospace;--font-size-xs: .625rem;--font-size-sm: .75rem;--font-size-base: .875rem;--font-size-lg: 1rem;--font-size-xl: 1.125rem;--font-size-2xl: 1.25rem;--font-size-3xl: 1.5rem;--font-size-4xl: 2rem;--font-size-5xl: 3rem;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-bold: 700;--line-height-tight: .9;--line-height-normal: 1.4;--line-height-loose: 1.6;--letter-spacing-tight: -.02em;--letter-spacing-base: .05em;--letter-spacing-wide: .1em;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-none: 0;--radius-sm: 2px;--radius-md: 4px;--radius-lg: 0;--radius-xl: 0;--border-width: 1px;--border-style: solid;--border-base: 1px solid var(--border);--z-base: 0;--z-overlay: 100;--z-modal: 200;--z-toast: 300;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}.theme-dark{--bg: #000000;--fg: #ffffff;--border: #ffffff;--surface: #000000;--surface-2: #111111;--text-primary: #ffffff;--text-secondary: #aaaaaa;--text-muted: #666666}.data-value{font-family:var(--font-mono)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-regular);line-height:var(--line-height-normal);background-color:var(--bg);color:var(--fg);min-height:100vh;transition:background-color var(--transition-base),color var(--transition-base)}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:-.02em;line-height:var(--line-height-tight)}a{color:var(--fg);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}.skip-link{position:absolute;top:-100%;left:0;background:var(--fg);color:var(--bg);padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);z-index:var(--z-toast)}.skip-link:focus{top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-4)}@media (min-width: 640px){.container{padding:0 var(--space-6)}}@media (min-width: 1024px){.container{padding:0 var(--space-8)}}.header{position:sticky;top:0;background:var(--bg);border-bottom:var(--border-base);z-index:var(--z-overlay)}.header__content{display:flex;justify-content:space-between;align-items:center;padding:var(--space-4) 0;min-width:0}@media (max-width: 640px){.header__content{gap:var(--space-2)}.logo{flex-shrink:1;min-width:0}.nav{flex-shrink:0}}.logo{text-decoration:none;color:var(--fg);display:block;max-width:100%;overflow:hidden}.logo__text{font-size:1.125rem;font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-base);text-transform:uppercase;color:var(--fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;display:block}@media (max-width: 480px){.logo__text{font-size:1rem}}@media (max-width: 360px){.logo__text{font-size:.875rem}}.nav{position:relative;display:flex;align-items:center;gap:var(--space-3)}.nav__back-link{font-size:var(--font-size-sm);color:var(--fg);text-decoration:none;white-space:nowrap}.nav__back-link:hover,.nav__back-link:focus-visible{text-decoration:underline;outline:2px solid var(--fg);outline-offset:2px}.nav__toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;min-width:44px;min-height:44px;background:none;border:none;cursor:pointer;padding:0}.nav__toggle:focus-visible{outline:2px solid var(--fg);outline-offset:2px}.nav__toggle-line{width:20px;height:2px;background:var(--fg);margin:2px 0;transition:var(--transition-base)}.nav__toggle[aria-expanded=true] .nav__toggle-line:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.nav__toggle[aria-expanded=true] .nav__toggle-line:nth-child(2){opacity:0}.nav__toggle[aria-expanded=true] .nav__toggle-line:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.nav__menu{position:absolute;top:calc(100% + var(--space-4));right:0;width:16rem;background:var(--bg);border:var(--border-base);border-radius:0;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-base);z-index:var(--z-overlay)}.nav__menu.active{opacity:1;visibility:visible;transform:translateY(0)}.nav__list{list-style:none;padding:var(--space-2)}.nav__item{margin:0}.nav__link{display:flex;align-items:center;min-height:44px;padding:var(--space-3) var(--space-4);color:var(--text-secondary);text-decoration:none;border-radius:0;transition:all var(--transition-base);border-bottom:1px solid var(--border)}.nav__link:hover,.nav__link:focus{color:var(--bg);background:var(--fg);text-decoration:none}.nav__item:last-child .nav__link{border-bottom:none}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-3) var(--space-6);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);text-decoration:none;border:var(--border-base);border-radius:0;cursor:pointer;transition:all var(--transition-base);background:none;font-family:inherit}.btn--primary{color:var(--bg);background:var(--fg);border-color:var(--border)}.btn--primary:hover,.btn--primary:focus{background:var(--surface);color:var(--fg)}.btn--secondary{color:var(--fg);background:var(--bg);border-color:var(--border)}.btn--secondary:hover,.btn--secondary:focus{background:var(--fg);color:var(--bg)}.btn:focus-visible,.nav__link:focus-visible,a:focus-visible{outline:2px solid var(--fg);outline-offset:2px}.btn--large{padding:var(--space-4) var(--space-8);font-size:var(--font-size-lg)}.btn--small{padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);min-height:44px;min-width:44px}.form-group{margin-bottom:var(--space-6)}.form-label{display:block;margin-bottom:var(--space-2);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-secondary)}.form-input{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--font-size-base);color:var(--fg);background:var(--bg);border:var(--border-base);border-radius:0;transition:all var(--transition-base);font-family:inherit}.form-input:focus{outline:2px solid var(--fg);outline-offset:2px}.form-input::placeholder{color:var(--text-muted)}.input-with-button{display:flex;gap:var(--space-2);align-items:stretch}.form-input--with-button{flex:1}.btn--icon{padding:var(--space-3);min-width:48px;display:flex;align-items:center;justify-content:center}.btn--close{background:transparent;border-color:var(--color-error);color:var(--color-error)}.btn--close:hover{background:var(--color-error);border-color:var(--color-error);color:var(--bg)}.form-textarea{resize:vertical;min-height:100px}.card{background:var(--bg);border:var(--border-base);border-radius:0;padding:var(--space-6);transition:all var(--transition-base)}.card:hover{background:var(--surface-2);border-color:var(--fg)}.card__header{margin-bottom:var(--space-4)}.card__title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--fg);margin-bottom:var(--space-2)}.card__description{color:var(--text-secondary);line-height:var(--line-height-loose)}.action-card{display:flex;align-items:center;gap:var(--space-4);text-decoration:none;color:var(--fg);background:var(--bg);border:var(--border-base);border-radius:0;padding:var(--space-5) var(--space-6);min-height:72px;transition:all var(--transition-base)}.action-card:hover{background:var(--surface-2);border-color:var(--fg);text-decoration:none}.action-card__body{flex:1;min-width:0}.action-card__title{font-size:var(--font-size-sm);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:var(--letter-spacing-wide);color:inherit;margin-bottom:var(--space-1)}.action-card__description{color:var(--text-secondary);font-size:var(--font-size-xs);line-height:var(--line-height-loose);transition:color var(--transition-base)}.action-card__arrow{flex-shrink:0;font-size:var(--font-size-xl);color:inherit;line-height:1}.icon{width:100%;height:100%;stroke-width:2}.loading{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-4)}.loading__spinner{width:24px;height:24px;border:2px solid var(--border);border-top:2px solid var(--fg);border-radius:50%;animation:spin 1s linear infinite}.nav__link--active{color:var(--bg)!important;background:var(--fg)}.dashboard-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--border);border:var(--border-base)}@media (min-width: 768px){.dashboard-stats{grid-template-columns:repeat(4,1fr)}}.dashboard-stat{background:var(--bg);text-align:center;padding:var(--space-8) var(--space-4)}.dashboard-stat__number{display:block;font-size:clamp(2rem,6vw,4rem);font-weight:var(--font-weight-bold);color:var(--fg);line-height:1;margin-bottom:var(--space-2)}.dashboard-stat__label{color:var(--text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:var(--letter-spacing-wide);opacity:.6}.dashboard-section{margin-top:var(--space-12);padding:var(--space-16) 0;border-bottom:var(--border-base)}.dashboard-section__header{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);flex-wrap:wrap}.dashboard-filter-row{display:flex;gap:var(--space-4);align-items:center;flex-wrap:wrap}@media (max-width: 640px){.dashboard-section__header{flex-direction:column;align-items:flex-start}.dashboard-filter-row{flex-direction:column;align-items:flex-start;gap:var(--space-2);width:100%}.dashboard-filter-row select{width:100%}}.dashboard-section__label{font-size:var(--font-size-sm);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:var(--letter-spacing-wide);opacity:.5;margin-bottom:var(--space-4)}.dashboard-section__title{font-size:clamp(2rem,8vw,6rem);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:var(--letter-spacing-tight);line-height:var(--line-height-tight);color:var(--fg);margin-bottom:var(--space-6)}.dashboard-section__description{max-width:600px;font-size:var(--font-size-base);line-height:var(--line-height-loose);color:var(--text-secondary);margin-bottom:var(--space-8)}.badge{display:inline-block;padding:var(--space-1) var(--space-3);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:var(--letter-spacing-base);border-radius:0;transition:all var(--transition-base)}.badge--success{background:transparent;color:var(--color-success);border:1px solid var(--color-success)}.badge--warning{background:transparent;color:var(--color-warning);border:1px solid var(--color-warning)}.badge--error{background:transparent;color:var(--color-error);border:1px solid var(--color-error)}.timeline{position:relative;padding-left:var(--space-8)}.timeline:before{content:"";position:absolute;left:15px;top:0;bottom:0;width:2px;background:var(--fg);opacity:.3}.timeline-item{position:relative;margin-bottom:var(--space-6)}.timeline-marker{position:absolute;left:-23px;top:0;width:30px;height:30px;background:var(--fg);color:var(--bg);border-radius:0;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:var(--font-weight-bold);z-index:1}.timeline-content{background:var(--surface);border:var(--border-base);border-radius:0;padding:var(--space-4)}select.form-input{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23000000' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem;-webkit-appearance:none;-moz-appearance:none;appearance:none}.theme-dark .form-input{background:var(--surface-2)}.theme-dark select.form-input{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e")}@media (max-width: 640px){.dashboard-header{flex-direction:column;align-items:flex-start;gap:var(--space-4)}.timeline{padding-left:var(--space-6)}.timeline-marker{left:-18px;width:24px;height:24px;font-size:var(--font-size-xs)}}.error{padding:var(--space-4);background:transparent;border:1px solid var(--color-error);border-radius:0;color:var(--color-error)}.success{padding:var(--space-4);background:transparent;border:1px solid var(--color-success);border-radius:0;color:var(--color-success)}.qr-scanner-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--bg);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--transition-base)}.qr-scanner-modal.active{opacity:1;visibility:visible}.qr-scanner-content{width:90vw;max-width:500px;max-height:90vh;background:var(--surface);border:var(--border-base);border-radius:0;overflow:hidden;display:flex;flex-direction:column}.qr-scanner-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-4) var(--space-6);border-bottom:var(--border-base);background:var(--surface-2)}.qr-scanner-header h3{color:var(--fg);font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);margin:0}.qr-scanner-body{position:relative;padding:var(--space-4);display:flex;flex-direction:column;align-items:center}.qr-video{width:100%;max-width:400px;height:300px;background:var(--surface);border-radius:0;object-fit:cover}.qr-canvas{position:absolute;top:0;left:0;pointer-events:none}.qr-scanner-overlay{position:absolute;top:var(--space-4);left:var(--space-4);right:var(--space-4);bottom:var(--space-12);display:flex;align-items:center;justify-content:center;pointer-events:none}.qr-scanner-frame{width:200px;height:200px;border:2px solid var(--fg);border-radius:0;position:relative}.qr-scanner-frame:before,.qr-scanner-frame:after{content:"";position:absolute;width:20px;height:20px;border:3px solid var(--fg)}.qr-scanner-frame:before{top:-3px;left:-3px;border-right:none;border-bottom:none}.qr-scanner-frame:after{bottom:-3px;right:-3px;border-left:none;border-top:none}.qr-scanner-instructions{color:var(--text-secondary);text-align:center;margin-top:var(--space-4);font-size:var(--font-size-sm)}@media (max-width: 640px){.qr-scanner-content{width:95vw;max-height:95vh}.qr-scanner-header{padding:var(--space-3) var(--space-4)}.qr-video{height:250px}.qr-scanner-frame{width:150px;height:150px}}.courier-tracking-item{transition:transform .2s ease}.courier-tracking-item:hover{transform:translateY(-2px)}.shipping-status-badge{white-space:nowrap;text-transform:uppercase;letter-spacing:.05em;transition:transform .2s ease}.shipping-status-badge:hover{transform:scale(1.05)}.shipping-status-badge svg{flex-shrink:0}.courier-tracking-item a{transition:all .2s ease}.courier-tracking-item a:hover{transform:translate(3px);text-decoration:underline}@media (max-width: 640px){.courier-tracking-item{padding:.75rem}.shipping-status-badge{font-size:.625rem;padding:.2rem .4rem}.shipping-status-badge svg{width:10px;height:10px}}.modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:var(--z-modal);align-items:center;justify-content:center;padding:var(--space-4)}.modal-backdrop{position:absolute;top:0;left:0;right:0;bottom:0;background:var(--bg);opacity:.9}.modal-content{position:relative;background:var(--surface);border:var(--border-base);border-radius:0;padding:var(--space-6);width:100%;max-width:600px;max-height:80vh;overflow-y:auto;z-index:1}.items-grid{width:100%}.item-card{transition:transform .2s ease}.item-card:hover{transform:translateY(-2px)}.item-card.highlighted{border:2px solid var(--fg)}.chain-header,.items-section,.timeline-section{margin-bottom:var(--space-8)}.relationships-section{margin-bottom:var(--space-6)}.relationships-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-3)}.redirect-notice{background:var(--surface);border:1px solid var(--color-warning);border-left:4px solid var(--color-warning);border-radius:0;padding:var(--space-4);margin-bottom:var(--space-6);animation:slideDown .3s ease-out}.redirect-notice__content{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap;position:relative}.redirect-notice__icon{font-size:var(--font-size-2xl);flex-shrink:0}.redirect-notice__message{flex:1;color:var(--fg);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:1.5;min-width:200px}.redirect-notice__link{color:var(--fg);text-decoration:underline;font-weight:var(--font-weight-bold);transition:color var(--transition-base);white-space:nowrap}.redirect-notice__link:hover{color:var(--text-secondary)}.redirect-notice__close{background:transparent;border:none;color:var(--text-muted);font-size:var(--font-size-2xl);cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;transition:color var(--transition-base);flex-shrink:0;margin-left:auto}.redirect-notice__close:hover{color:var(--fg)}@media (max-width: 640px){.redirect-notice__content{gap:var(--space-2)}.redirect-notice__icon{font-size:var(--font-size-xl)}.redirect-notice__message{font-size:var(--font-size-sm);min-width:100%}.redirect-notice__link{margin-left:auto}}.chain-relationships{margin-top:var(--space-8)}.relationships-container{min-height:100px}.relationships-section{margin-bottom:var(--space-8)}.relationships-section:last-child{margin-bottom:0}.relationships-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);margin-bottom:var(--space-2);display:flex;align-items:center;gap:var(--space-2);color:var(--fg)}.relationships-count{font-size:var(--font-size-sm);font-weight:var(--font-weight-regular);color:var(--text-secondary)}.relationships-description{color:var(--text-secondary);margin-bottom:var(--space-4);line-height:1.5}.chain-cards{display:flex;flex-direction:column;gap:var(--space-3)}.chain-cards--grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-3)}.chain-card{display:block;padding:var(--space-4);background:var(--surface);border:var(--border-base);border-radius:0;text-decoration:none;color:var(--fg);transition:all 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