:root{font-family:Inter,Segoe UI,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.6;font-weight:400;--primary-blue: #2563eb;--primary-dark: #1e3a8a;--accent-orange: #f97316;--accent-orange-hover: #ea580c;--neutral-gray: #64748b;--neutral-light: #94a3b8;--bg-dark: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;color-scheme:dark;color:var(--text-primary);background-color:var(--bg-dark);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}a{font-weight:500;color:var(--primary-blue);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-orange)}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background:linear-gradient(135deg,var(--bg-dark) 0%,#1a2332 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#2563eb1a;background-color:var(--bg-card)}.styled-input::placeholder{color:var(--text-muted)}button.btn-primary{background-color:var(--primary-blue);color:var(--text-primary)}button.btn-primary:hover{background-color:var(--primary-dark)}button.btn-secondary{background-color:var(--neutral-gray);color:var(--text-primary)}button.btn-secondary:hover{background-color:var(--neutral-light)}button.btn-danger{background-color:var(--danger);color:var(--text-primary)}button.btn-danger:hover{background-color:#dc2626}button.btn-success{background-color:var(--success);color:var(--text-primary)}button.btn-success:hover{background-color:#059669}button.btn-small{padding:8px 16px;font-size:.9em;min-height:36px}.car-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;width:100%;padding:20px 0}.car-card{background:var(--bg-card);padding:24px;border-radius:16px;text-align:center;cursor:pointer;transition:all .3s ease;border:1px solid rgba(255,255,255,.05);box-shadow:0 4px 12px #0000001a;position:relative;overflow:hidden}.car-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-blue),var(--accent-orange));opacity:0;transition:opacity .3s ease}.car-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px #2563eb33;border-color:var(--primary-blue)}.car-card:hover:before{opacity:1}.car-card img{width:120px;height:120px;margin:16px auto;filter:drop-shadow(0 4px 8px rgba(0,0,0,.2));transition:transform .3s ease}.car-card:hover img{transform:scale(1.1)}.car-card h3{font-size:1.25em;margin-bottom:12px;color:var(--text-primary)}.car-card p{color:var(--text-secondary);font-size:1em;margin:8px 0}.car-card .mileage{display:inline-block;background:#2563eb1a;padding:6px 12px;border-radius:20px;font-size:.9em;color:var(--primary-blue);font-weight:500;margin-top:8px}.detail-container{max-width:800px;width:100%;background:var(--bg-card);border-radius:16px;padding:40px;box-shadow:0 8px 24px #0003;border:1px solid rgba(255,255,255,.05);margin-top:20px}.detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;flex-wrap:wrap;gap:12px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.1)}.detail-image-container{text-align:center;margin:32px 0}.detail-image-container img{width:200px;height:200px;filter:drop-shadow(0 8px 16px rgba(0,0,0,.3))}.detail-info{background:var(--bg-input);padding:24px;border-radius:12px;margin:24px 0}.detail-info p{margin:12px 0;font-size:1.1em}.detail-info strong{color:var(--text-primary);font-weight:600}.action-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;justify-content:center}.message{padding:12px 20px;border-radius:8px;margin:16px 0;text-align:center;font-weight:500;animation:fadeIn .3s ease-out}.message-success{background-color:#10b9811a;color:var(--success);border:1px solid var(--success)}.message-error{background-color:#ef44441a;color:var(--danger);border:1px solid var(--danger)}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:20px}.loading-text{font-size:1.2em;color:var(--text-secondary)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state h3{margin-bottom:12px;color:var(--text-secondary)}.signin-container{width:100vw;height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:24px;padding:20px}.signin-container h2{font-size:2em;text-align:center;margin-bottom:8px}.signin-container p{text-align:center;max-width:400px;margin-bottom:12px}@media(max-width:768px){.container{padding:20px 16px}.add-car-form{padding:24px 20px}.car-list{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.detail-container{padding:24px 20px}.form-row{flex-direction:column}.header{flex-direction:column;align-items:stretch}.header-buttons{width:100%;justify-content:center}.action-buttons{flex-direction:column}.action-buttons button{width:100%}}@media(max-width:480px){.car-list{grid-template-columns:1fr}h1{font-size:1.75em}.car-card{padding:20px}}