:root{--bp-mobile: 320px;--bp-mobile-lg: 480px;--bp-tablet: 768px;--bp-tablet-lg: 1024px;--bp-desktop: 1200px;--bp-desktop-lg: 1440px;--bp-ultra-wide: 1920px;--space-xs: clamp(.25rem, 1vw, .5rem);--space-sm: clamp(.5rem, 2vw, 1rem);--space-md: clamp(1rem, 3vw, 1.5rem);--space-lg: clamp(1.5rem, 4vw, 2rem);--space-xl: clamp(2rem, 5vw, 3rem);--space-xxl: clamp(3rem, 6vw, 4rem);--text-xs: clamp(.75rem, 1.5vw, .875rem);--text-sm: clamp(.875rem, 2vw, 1rem);--text-base: clamp(1rem, 2.5vw, 1.125rem);--text-lg: clamp(1.125rem, 3vw, 1.25rem);--text-xl: clamp(1.25rem, 3.5vw, 1.5rem);--text-2xl: clamp(1.5rem, 4vw, 2rem);--text-3xl: clamp(2rem, 5vw, 2.5rem);--text-4xl: clamp(2.5rem, 6vw, 3rem);--touch-min: 44px;--touch-comfortable: 48px;--touch-large: 56px;--container-mobile: 100%;--container-tablet: 768px;--container-desktop: 1200px;--container-wide: 1440px;--grid-columns: 12;--grid-gap-mobile: 1rem;--grid-gap-tablet: 1.5rem;--grid-gap-desktop: 2rem}.container{width:100%;max-width:var(--container-wide);margin:0 auto;padding:0 var(--space-md)}.container-mobile{max-width:var(--container-mobile)}.container-tablet{max-width:var(--container-tablet)}.container-desktop{max-width:var(--container-desktop)}.grid{display:grid;gap:var(--grid-gap-mobile);width:100%}.grid-auto{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}@media (min-width: 480px){.grid{gap:var(--grid-gap-tablet)}.grid-2{grid-template-columns:repeat(2,1fr)}}@media (min-width: 768px){.grid-3{grid-template-columns:repeat(3,1fr)}}@media (min-width: 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var(--primary-blue);outline-offset:2px}.mobile-nav-menu{position:fixed;top:0;left:0;width:100%;height:100vh;background:#00000080;display:none;z-index:1000}.mobile-nav-panel{position:absolute;top:0;right:0;width:80%;max-width:320px;height:100vh;background:var(--bg-white);padding:var(--space-lg);box-shadow:-4px 0 16px #0000001a;transform:translate(100%);transition:transform .3s ease}.mobile-nav-menu.open{display:block}.mobile-nav-menu.open .mobile-nav-panel{transform:translate(0)}@media (min-width: 480px){.container{padding:0 var(--space-lg)}.admin-section{padding:var(--space-lg)}}@media (min-width: 768px){.mobile-nav-toggle{display:none}.admin-section{padding:var(--space-xl)}.section-header h2{font-size:var(--text-3xl)}}@media (min-width: 1024px){.admin-section{padding:var(--space-xxl)}}@media (min-width: 1200px){.container{padding:0 var(--space-xl)}}@media (max-width: 767px){.mobile-nav-toggle{display:flex}.nav-section-buttons{display:none}.form-row{flex-direction:column;gap:var(--space-sm)}.table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.item-card{padding:var(--space-md);margin-bottom:var(--space-sm)}.btn{min-height:var(--touch-comfortable);padding:var(--space-sm) var(--space-md);font-size:var(--text-base)}.modal-content{width:95%;max-height:90vh;overflow-y:auto}}@media (prefers-contrast: high){.btn{border-width:2px}.nav-link{border-bottom:2px solid transparent}.nav-link.active{border-bottom-color:currentColor}}@media (prefers-reduced-motion: reduce){.mobile-nav-panel{transition:none}.loading-spinner{animation:spin 1s linear infinite;animation-duration:3s}.btn{transition:none}}@media (prefers-color-scheme: dark){:root{--bg-white: #1a1a1a;--text-primary: #ffffff;--text-secondary: #a1a1aa;--border-light: #374151}}@media (display-mode: standalone){.admin-nav{padding-top:env(safe-area-inset-top)}.admin-content{padding-bottom:env(safe-area-inset-bottom)}}.pwa-install-prompt{position:fixed;bottom:20px;left:20px;right:20px;background:var(--primary-blue);color:#fff;padding:var(--space-md);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);z-index:1000;transform:translateY(100%);transition:transform .3s ease}.pwa-install-prompt.show{transform:translateY(0)}.pwa-install-prompt .install-btn{background:#fff;color:var(--primary-blue);border:none;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-weight:600;cursor:pointer;margin-top:var(--space-sm)}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#1e40af;background-color:snow;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#3b82f6;text-decoration:inherit}a:hover{color:#1e40af}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid #3b82f6;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:snow;color:#1e40af;cursor:pointer;transition:border-color .25s}button:hover{border-color:#1e40af}button:focus,button:focus-visible{outline:4px auto #3b82f6}@media (prefers-color-scheme: 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