*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #0a0a0b;--color-bg-elevated: #141415;--color-bg-hover: #1a1a1c;--color-bg-card: linear-gradient(135deg, rgba(255,255,255,.03) 0%, rgba(255,255,255,.01) 100%);--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--color-text: #fafafa;--color-text-secondary: #a1a1aa;--color-text-muted: #71717a;--color-primary: #3b82f6;--color-primary-glow: rgba(59, 130, 246, .4);--color-success: #22c55e;--color-warning: #f59e0b;--color-accent: #8b5cf6;--gradient-hero: linear-gradient(180deg, rgba(59, 130, 246, .15) 0%, transparent 50%);--gradient-card: linear-gradient(135deg, rgba(255,255,255,.05) 0%, transparent 100%);--gradient-glow: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(59, 130, 246, .1), transparent 40%);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: .5rem;--radius-md: 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var(--transition-fast)}.success-back:hover{color:var(--color-text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:#2563eb;transform:translateY(-2px);box-shadow:var(--shadow-glow)}.btn-lg{padding:1rem 2rem;font-size:1.125rem}.footer{border-top:1px solid var(--color-border);padding:2rem 0;text-align:center;color:var(--color-text-muted);font-size:.875rem}.footer-links{margin-top:.5rem}.footer-links a{color:var(--color-text-muted);margin:0 .75rem;transition:color var(--transition-fast)}.footer-links a:hover{color:var(--color-text)}.empty-state{text-align:center;padding:6rem 2rem;color:var(--color-text-muted);animation:fadeInUp .6s ease-out}.empty-state-icon{font-size:4rem;margin-bottom:1.5rem;opacity:.5}.empty-state 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var(--transition-fast)}.back-link:hover{color:var(--color-text)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}@media(max-width:768px){:root{--header-height: 56px}.hero{padding:3rem 0 4rem}.hero h1{font-size:2rem}.hero p{font-size:1rem}.bike-grid{grid-template-columns:1fr}.filters{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:.5rem}.filter-btn{flex-shrink:0}.upload-preview-grid{grid-template-columns:repeat(2,1fr)}.success-card{grid-template-columns:1fr}.success-card-image{width:100%;height:200px}}