:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:100vw;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.landing-page{background-color:#fff;color:#213547}.btn-secondary{background-color:#fff;color:#646cff;border:2px solid #646cff;padding:.875rem 2rem;border-radius:8px;font-size:1.1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-secondary:hover:not(:disabled){background-color:#f8f8f8;border-color:#535bf2;color:#535bf2}.error-message{color:#c00;background-color:#ffe0e0;padding:.75rem 1rem;border-radius:6px;margin-top:1rem;font-size:.875rem}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.landing-header{background-color:#fff;border-bottom:1px solid #e0e0e0;padding:1rem 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#fffc}.landing-header .container{display:flex;justify-content:space-between;align-items:center}.logo{font-weight:700;font-size:1.25rem;color:#213547;text-decoration:none}.landing-header nav{display:flex;align-items:center;gap:1.5rem}.landing-header nav a{text-decoration:none;color:#555;font-weight:500;transition:color .2s}.landing-header nav a:hover{color:#646cff}.btn-signin{background-color:#646cff;color:#fff;border:none;padding:.5rem 1rem;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;transition:background-color .2s}.btn-signin:hover{background-color:#535bf2}.hero{text-align:center;padding:6rem 0;background-color:#f8f9fa}.hero h1{font-size:3.5rem;font-weight:800;line-height:1.2;color:#213547;max-width:800px;margin:0 auto 1rem}.hero .subtitle{font-size:1.25rem;color:#555;max-width:700px;margin:0 auto 2rem}.cta-container{margin-top:2rem;display:flex;flex-direction:column;align-items:center;gap:1rem}.or-divider{color:#888;font-weight:500;font-size:.875rem}.google-signin-btn,.cta-container .btn-secondary{width:100%;max-width:350px;box-sizing:border-box}.sub-cta{font-size:.875rem;color:#888;margin-top:.75rem}.google-signin-btn{display:inline-flex;align-items:center;justify-content:center;gap:.75rem;background-color:#fff;border:1px solid #ddd;padding:.875rem 2rem;border-radius:8px;font-size:1.1rem;font-weight:500;cursor:pointer;transition:all .2s;color:#333}.google-signin-btn:hover:not(:disabled){background-color:#f8f8f8;border-color:#ccc;box-shadow:0 2px 8px #0000001a}.features{padding:5rem 0;text-align:center}.features h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.section-description{font-size:1.1rem;color:#666;margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;text-align:left}.feature-card{background-color:#f8f9fa;padding:2rem;border-radius:12px;border:1px solid #e0e0e0}.feature-icon{font-size:2.5rem;margin-bottom:1rem}.feature-card h3{font-size:1.25rem;margin-bottom:.5rem}.feature-card p{color:#555;line-height:1.6}.how-it-works{padding:5rem 0;background-color:#f8f9fa;text-align:center}.how-it-works h2{font-size:2.5rem;font-weight:700;margin-bottom:3rem}.steps-container{display:flex;justify-content:space-between;gap:2rem;text-align:center}.step{flex:1}.step-number{width:50px;height:50px;border-radius:50%;background-color:#646cff;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;margin:0 auto 1.5rem}.step h3{font-size:1.25rem;margin-bottom:.5rem}.step p{color:#555;line-height:1.6}.cta-section{padding:5rem 0;text-align:center;background-color:#213547;color:#fff}.cta-section h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.cta-section p{font-size:1.1rem;color:#fffc;margin-bottom:2rem}.landing-footer{background-color:#fff;border-top:1px solid #e0e0e0;padding:2rem 0;text-align:center}.landing-footer p{color:#888;font-size:.875rem}@media(max-width:768px){.hero h1{font-size:2.5rem}.hero .subtitle{font-size:1.1rem}.features h2,.how-it-works h2,.cta-section h2{font-size:2rem}.steps-container{flex-direction:column}.landing-header nav{display:none}}.settings-menu{position:relative}.settings-trigger{background:none;outline:none;border:none;font-size:1.5rem;cursor:pointer;padding:.5rem;transition:transform .2s;border-radius:8px}.settings-trigger:hover{transform:rotate(45deg)}.settings-backdrop{display:none}.settings-dropdown{position:absolute;top:calc(100% + .5rem);right:0;background:#fff;border-radius:12px;box-shadow:0 4px 20px #00000026;min-width:220px;padding:.5rem;z-index:1000;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s}.settings-menu.is-open .settings-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.menu-item{width:100%;display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border:none;background:none;text-align:left;cursor:pointer;border-radius:8px;transition:background-color .2s;color:#333;font-size:.95rem}.menu-item:hover{background-color:#f8f9fa}.menu-item.danger{color:#dc3545}.menu-item.danger:hover{background-color:#fff5f5}.menu-icon{font-size:1.25rem;width:24px;display:flex;align-items:center;justify-content:center}.menu-divider{height:1px;background-color:#e0e0e0;margin:.5rem 0}@media(max-width:768px){.settings-backdrop{display:block;position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#00000080;z-index:999;opacity:0;visibility:hidden;transition:opacity .3s ease-in-out,visibility .3s}.settings-menu.is-open .settings-backdrop{opacity:1;visibility:visible}.settings-dropdown{position:fixed;top:0;right:0;width:280px;height:100%;min-width:unset;border-radius:0;box-shadow:-4px 0 15px #0000001a;padding:2rem 1rem;transform:translate(100%);transition:transform .3s ease-in-out;opacity:1;visibility:visible}.settings-menu.is-open .settings-dropdown{transform:translate(0)}}.dashboard{min-height:100vh;background-color:#f5f5f5}.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;background-color:#fff;border-top:1px solid #e0e0e0;box-shadow:0 -2px 10px #0000001a;z-index:1000;padding:.5rem 0;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav-container{display:flex;justify-content:space-around;align-items:center;max-width:100%}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;padding:.5rem .75rem;min-width:60px;background:none;border:none;cursor:pointer;text-decoration:none;color:#666;transition:all .2s;border-radius:8px;position:relative}.nav-item:active{transform:scale(.95)}.nav-item.active{color:#646cff}.nav-item.active .nav-icon{transform:scale(1.1)}.nav-icon{font-size:1.5rem;transition:transform .2s}.nav-label{font-size:.75rem;font-weight:500;white-space:nowrap}.nav-item:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:0;height:2px;background-color:#646cff;transition:width .3s ease}.nav-item.active:before{width:40px}.more-menu-backdrop,.more-menu{display:none}@media(max-width:768px){.bottom-nav{display:block}.dashboard,.vehicle-detail,.form-page,.data-export-page{padding-bottom:calc(70px + env(safe-area-inset-bottom))!important}.dashboard-content{padding-bottom:1rem}.dashboard-header .user-info .settings-menu{display:none}.dashboard-header .header-content{padding-bottom:0}.dashboard-header h1{font-size:1.25rem}.user-info{gap:.5rem}.user-info span{display:none}.user-avatar{width:32px;height:32px}.guest-info{flex-direction:row!important;gap:.5rem!important;align-items:center}.guest-badge{width:auto!important;white-space:nowrap;font-size:.7rem;padding:.375rem .75rem}.guest-info .btn-primary{font-size:.8rem;padding:.5rem .875rem;white-space:nowrap}.form-header,.detail-header,.export-header{justify-content:center}.form-header h1,.detail-header h1,.export-header h1{text-align:center}.form-page{min-height:calc(100vh - 70px)}.form-container{margin-bottom:2rem}.form-actions,.card-actions,.modal-actions{margin-bottom:1rem}.empty-state{padding-bottom:2rem}.modal-overlay{padding-bottom:calc(70px + env(safe-area-inset-bottom))}.more-menu{display:block;position:fixed;bottom:calc(70px + env(safe-area-inset-bottom));left:0;right:0;background-color:#fff;border-top-left-radius:16px;border-top-right-radius:16px;box-shadow:0 -4px 20px #00000026;z-index:1000;animation:slideUp .3s ease-out;max-height:60vh;overflow-y:auto}.more-menu-backdrop{display:block}.dashboard-actions{margin-bottom:1.5rem}.dashboard-actions .btn-primary{width:100%}}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@media(min-width:769px)and (max-width:1024px){.bottom-nav{display:none!important}}@supports (padding: env(safe-area-inset-bottom)){.bottom-nav{padding-bottom:calc(.5rem + env(safe-area-inset-bottom))}@media(max-width:768px){.more-menu{bottom:calc(70px + env(safe-area-inset-bottom))}}}.nav-item:focus{outline:2px solid #646cff;outline-offset:2px}.nav-item:focus:not(:focus-visible){outline:none}@media(prefers-reduced-motion:reduce){.nav-item,.nav-icon,.more-menu{transition:none;animation:none}}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}.nav-item.active .nav-icon{animation:bounce .3s ease-in-out}.app{transition:padding-bottom .3s ease}@media(max-width:360px){.nav-label{font-size:.65rem}.nav-icon{font-size:1.25rem}.nav-item{min-width:50px;padding:.5rem}}.sync-banner{max-width:1200px;margin:0 auto 2rem;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;padding:0;overflow:hidden;box-shadow:0 4px 12px #667eea4d}.banner-content{display:flex;align-items:center;gap:1.5rem;padding:1.5rem 2rem;color:#fff}.banner-icon{font-size:2.5rem;flex-shrink:0}.banner-text{flex:1}.banner-text strong{display:block;font-size:1.1rem;margin-bottom:.25rem}.banner-text p{margin:0;opacity:.9;font-size:.9rem}.sync-banner .btn-primary{background-color:#fff;color:#667eea;flex-shrink:0}.sync-banner .btn-primary:hover{background-color:#f8f8f8;color:#535bf2}.guest-info{display:flex;align-items:center;gap:1rem}.guest-badge{background-color:#f0f0f0;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:500;color:#666}@media(max-width:768px){.banner-content{flex-direction:column;text-align:center;padding:1.5rem}.banner-icon{font-size:2rem}.sync-banner .btn-primary{width:100%}.guest-info{flex-direction:column;gap:.5rem}.guest-badge{width:100%;text-align:center}}.interval-info{margin-top:.5rem;padding-top:.5rem;border-top:1px solid #e0e0e0}.interval-info small{color:#888;font-size:.75rem}.dashboard-header{background-color:#fff;border-bottom:1px solid #e0e0e0;padding:1.5rem 2rem;box-shadow:0 2px 4px #0000000d}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.dashboard-header h1{font-size:1.75rem;color:#333}.user-info{display:flex;align-items:center;gap:1rem}.user-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}.user-info span{font-weight:500;color:#555}.dashboard-content{max-width:1200px;margin:0 auto;padding:2rem}.dashboard-actions{margin-bottom:2rem}.loading-state{text-align:center;padding:4rem 2rem}.loading-state .spinner{margin:0 auto 1rem}.empty-state{text-align:center;padding:4rem 2rem;background-color:#fff;border-radius:12px;box-shadow:0 2px 8px #0000000d}.empty-icon{font-size:4rem;margin-bottom:1rem}.empty-state h2{color:#333;margin-bottom:.5rem}.empty-state p{color:#666;margin-bottom:2rem}.vehicles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.vehicle-card{background-color:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014;cursor:pointer;transition:transform .2s,box-shadow .2s;border:2px solid transparent}.vehicle-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px #0000001f}.vehicle-card.due{border-color:#f44}.vehicle-header h3{color:#333;margin-bottom:.25rem;font-size:1.25rem}.vehicle-model{color:#666;font-size:.875rem;margin-bottom:.25rem}.vehicle-reminder{margin-top:1rem;padding-top:1rem;border-top:1px solid #e0e0e0}.alert{padding:.75rem;border-radius:6px;margin-bottom:.5rem}.alert strong{display:block;margin-bottom:.25rem}.alert p{font-size:.875rem;margin:0}.alert-danger{background-color:#ffe0e0;color:#c00}.alert-warning{background-color:#fff3cd;color:#856404}.next-change{font-size:.875rem;color:#555}.next-change p{margin-bottom:.25rem}.odometer-info{color:#888;font-size:.8125rem}.no-history{margin-top:1rem;padding-top:1rem;border-top:1px solid #e0e0e0;text-align:center}.no-history p{color:#888;font-size:.875rem;margin-bottom:.75rem}@media(max-width:768px){.dashboard-header{padding:1rem}.header-content{flex-direction:column;gap:1rem;align-items:flex-start}.dashboard-header h1{font-size:1.5rem}.dashboard-content{padding:1rem}.vehicles-grid{grid-template-columns:1fr}}.vehicle-detail{min-height:100vh;background-color:#f5f5f5;padding:2rem}.detail-header{max-width:800px;margin:0 auto 2rem;display:flex;align-items:center;gap:1rem}.detail-header h1{color:#333;font-size:2rem;flex:1}.settings-btn{background:none;border:none;font-size:1.75rem;cursor:pointer;padding:.5rem;transition:transform .2s,opacity .2s;opacity:.7}.settings-btn:hover{transform:rotate(45deg);opacity:1}.settings-btn-small{background:none;border:none;font-size:1.25rem;cursor:pointer;padding:.25rem;transition:transform .2s,opacity .2s;opacity:.6}.settings-btn-small:hover{transform:rotate(45deg);opacity:1}.vehicle-info-card{max-width:800px;margin:0 auto 2rem;background-color:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #00000014}.vehicle-info-card h2{color:#333;margin-bottom:1.5rem;font-size:1.5rem}.info-grid{display:grid;gap:1rem;margin-bottom:2rem}.info-item{display:flex;gap:1rem;align-items:center}.info-item label{font-weight:600;color:#555;min-width:100px}.info-item span{color:#333}.mileage-display span{display:flex;flex-direction:column}.mileage-display small{font-size:.75rem;color:#888}.oil-changes-section{max-width:800px;margin:0 auto;background-color:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #00000014}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.section-header h2{color:#333;font-size:1.5rem}.oil-changes-list{display:flex;flex-direction:column;gap:1rem}.oil-change-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background-color:#f8f8f8;border-radius:8px;border:1px solid #e0e0e0;transition:background-color .2s}.oil-change-item:hover{background-color:#f0f0f0}.change-info{flex:1}.change-date strong{color:#333;font-size:1rem}.change-odometer{color:#646cff;font-weight:600;margin-top:.25rem;font-size:.875rem}.change-notes{color:#666;font-size:.875rem;margin-top:.5rem;font-style:italic}.change-actions{display:flex;gap:.5rem;align-items:center}.card-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.5rem;justify-content:flex-end}.modal .form-group{margin-bottom:1.5rem}.modal .form-group label{display:block;margin-bottom:.5rem;color:#333;font-weight:500}.modal .form-group input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:6px;font-size:1rem;font-family:inherit}@media(max-width:768px){.vehicle-detail{padding:1rem}.detail-header{flex-direction:column;align-items:flex-start}.detail-header h1{font-size:1.5rem}.vehicle-info-card,.oil-changes-section{padding:1.5rem}.section-header{flex-direction:column;align-items:flex-start;gap:1rem}.section-header button{width:100%}.info-item{flex-direction:column;gap:.25rem;align-items:flex-start}.info-item label{min-width:auto}.oil-change-item{flex-direction:column;align-items:flex-start;gap:.75rem}.change-actions{align-self:flex-end}}.form-page{min-height:100vh;background-color:#f5f5f5;padding:2rem}.form-header{max-width:600px;margin:0 auto 2rem;display:flex;align-items:center;gap:1rem}.form-header h1{color:#333;font-size:2rem}.subtitle{color:#666;font-size:.875rem;margin-left:auto}.form-container{max-width:600px;margin:0 auto;background-color:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #00000014}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:#333;font-weight:500}.required{color:#f44}.form-group input,.form-group textarea{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:6px;font-size:1rem;font-family:inherit;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#646cff}.form-group textarea{resize:vertical;min-height:100px}.form-group small{display:block;margin-top:.25rem;color:#888;font-size:.875rem}.form-actions{display:flex;gap:1rem;margin-top:2rem}.form-actions button{flex:1}.settings-info{background-color:#f8f9fa;padding:1rem;border-radius:8px;margin-bottom:1.5rem;color:#555;font-size:.9375rem;line-height:1.5}.settings-info ul{margin:.5rem 0 0 1.25rem;padding:0}.settings-info li{margin-bottom:.25rem}@media(max-width:768px){.form-page{padding:1rem}.form-header{flex-direction:column;align-items:flex-start}.form-header h1{font-size:1.5rem}.subtitle{margin-left:0}.form-container{padding:1.5rem}.form-actions{flex-direction:column-reverse}}.data-export-page{min-height:100vh;background-color:#f5f5f5;padding:2rem}.export-header{max-width:900px;margin:0 auto 2rem;display:flex;align-items:center;gap:1rem}.export-header h1{color:#333;font-size:2rem}.export-container{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:2rem}.stats-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:16px;padding:2rem;box-shadow:0 4px 12px #667eea4d}.stats-card h3{margin:0 0 1.5rem;font-size:1.25rem}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.stat-item{display:flex;flex-direction:column;gap:.5rem}.stat-item.full-width{grid-column:1 / -1}.stat-label{font-size:.875rem;opacity:.9}.stat-value{font-size:2rem;font-weight:700}.stat-value.small{font-size:1.25rem}.export-section{background-color:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 8px #00000014}.export-section h3{color:#333;margin:0 0 1.5rem;font-size:1.25rem}.section-header-with-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.section-header-with-actions h3{margin:0}.selection-actions{display:flex;gap:1rem}.btn-text{background:none;border:none;color:#646cff;font-size:.875rem;font-weight:500;cursor:pointer;padding:.25rem .5rem;transition:color .2s}.btn-text:hover:not(:disabled){color:#535bf2;text-decoration:underline}.btn-text:disabled{color:#ccc;cursor:not-allowed}.format-options{display:grid;gap:1rem}.format-option{display:flex;align-items:center;justify-content:space-between;padding:1.25rem;border:2px solid #e0e0e0;border-radius:12px;cursor:pointer;transition:all .2s;position:relative}.format-option:hover{border-color:#646cff;background-color:#f8f9ff}.format-option.selected{border-color:#646cff;background-color:#f0f4ff;box-shadow:0 2px 8px #646cff33}.format-option input[type=radio]{position:absolute;opacity:0;width:0;height:0}.format-content{display:flex;align-items:center;gap:1rem;flex:1}.format-icon{font-size:2rem;flex-shrink:0}.format-details{display:flex;flex-direction:column;gap:.25rem}.format-details strong{color:#333;font-size:1rem}.format-details small{color:#666;font-size:.875rem}.format-badge{background-color:#28a745;color:#fff;padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase}.format-badge.pro{background-color:#ffc107;color:#333}.data-type-options{display:flex;flex-direction:column;gap:1rem}.checkbox-option{display:flex;align-items:start;gap:1rem;padding:1rem;border:2px solid #e0e0e0;border-radius:12px;cursor:pointer;transition:all .2s}.checkbox-option:hover{border-color:#646cff;background-color:#f8f9ff}.checkbox-option input[type=checkbox]{width:20px;height:20px;cursor:pointer;flex-shrink:0;margin-top:2px}.checkbox-content{display:flex;flex-direction:column;gap:.25rem}.checkbox-content strong{color:#333;font-size:1rem}.checkbox-content small{color:#666;font-size:.875rem}.vehicle-selection-list{display:flex;flex-direction:column;gap:.75rem}.vehicle-selection-item{display:flex;align-items:center;gap:1rem;padding:1rem;border:2px solid #e0e0e0;border-radius:8px;cursor:pointer;transition:all .2s}.vehicle-selection-item:hover{border-color:#646cff;background-color:#f8f9ff}.vehicle-selection-item.selected{border-color:#646cff;background-color:#f0f4ff}.vehicle-selection-item input[type=checkbox]{width:18px;height:18px;cursor:pointer;flex-shrink:0}.vehicle-selection-content{flex:1;display:flex;justify-content:space-between;align-items:center}.vehicle-selection-info{display:flex;align-items:baseline;gap:.5rem}.vehicle-selection-info strong{color:#333;font-size:1rem}.vehicle-model{color:#666;font-size:.875rem}.vehicle-year{color:#888;font-size:.875rem}.vehicle-selection-meta{color:#888;font-size:.875rem;white-space:nowrap}.empty-state-small{text-align:center;padding:2rem;color:#888}.empty-state-small p{margin:0}.export-actions{display:flex;gap:1rem;justify-content:flex-end;padding:1.5rem 0}.export-actions button{min-width:150px}.spinner-small{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;margin-right:.5rem;vertical-align:middle}.export-help{background-color:#f8f9fa;border-left:4px solid #646cff;padding:1.5rem;border-radius:8px;margin-top:1rem}.export-help h4{margin:0 0 1rem;color:#333;font-size:1rem}.export-help ul{margin:0;padding-left:1.5rem;color:#555;line-height:1.8}.export-help li{margin-bottom:.5rem}@media(max-width:768px){.data-export-page{padding:1rem}.export-header{flex-direction:column;align-items:flex-start}.export-header h1{font-size:1.5rem}.stats-grid{grid-template-columns:1fr}.export-section{padding:1.5rem}.section-header-with-actions{flex-direction:column;align-items:flex-start;gap:1rem}.selection-actions{width:100%;justify-content:space-between}.format-content{gap:.75rem}.format-icon{font-size:1.5rem}.format-badge{position:absolute;top:.5rem;right:.5rem}.vehicle-selection-content{flex-direction:column;align-items:flex-start;gap:.5rem}.vehicle-selection-info{flex-wrap:wrap}.export-actions{flex-direction:column-reverse}.export-actions button{width:100%}}@media print{.data-export-page{background:#fff}.export-header,.export-actions,.export-help{display:none}}*{box-sizing:border-box;margin:0;padding:0}.app{min-height:100vh;background-color:#f5f5f5}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1rem}.spinner{width:48px;height:48px;border:4px solid #e0e0e0;border-top-color:#646cff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn-primary{background-color:#646cff;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s}.btn-primary:hover{background-color:#535bf2}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{background-color:#a0a0a0;cursor:not-allowed;transform:none}.btn-secondary{background-color:#f5f5f5;color:#333;border:1px solid #ddd;padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s}.btn-secondary:hover{background-color:#e0e0e0}.btn-secondary:active{transform:scale(.98)}.btn-danger{background-color:#f44;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s}.btn-danger:hover{background-color:#c00}.btn-danger:active{transform:scale(.98)}.btn-small{padding:.5rem 1rem;font-size:.875rem}.btn-delete{background:none;border:none;font-size:1.25rem;cursor:pointer;opacity:.6;transition:opacity .2s,transform .1s;padding:.25rem}.btn-delete:hover{opacity:1;transform:scale(1.1)}.btn-edit{background:none;border:none;font-size:1.25rem;cursor:pointer;opacity:.6;transition:opacity .2s,transform .1s;padding:.25rem}.btn-edit:hover{opacity:1;transform:scale(1.1)}.error-message{color:#f44;background-color:#ffe0e0;padding:.75rem;border-radius:6px;margin:1rem 0;font-size:.875rem}.back-btn{background:none;border:none;color:#646cff;font-size:1rem;cursor:pointer;padding:.5rem;transition:color .2s}.back-btn:hover{color:#535bf2}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal{background-color:#fff;border-radius:12px;padding:2rem;max-width:500px;width:100%;box-shadow:0 4px 20px #00000026}.modal h3{margin-bottom:1rem;color:#333}.modal p{margin-bottom:1.5rem;color:#666;line-height:1.5}.modal-actions{display:flex;gap:1rem;justify-content:flex-end}@media(prefers-color-scheme:light){.app{background-color:#f5f5f5}}@media(max-width:768px){.modal{padding:1.5rem}.modal-actions{flex-direction:column-reverse}.modal-actions button{width:100%}}
