:root{--bg: #F8F9FA;--surface: #FFFFFF;--surface-2: #F0F2F5;--text-primary: #111418;--text-secondary: #4A5568;--text-tertiary: #8A93A2;--border: #E2E8F0;--border-light: #EEF2F6;--accent: #2563EB;--accent-light: #EFF6FF;--c-instock: #16A34A;--c-instock-bg: #F0FDF4;--c-instock-text: #15803D;--c-low: #D97706;--c-low-bg: #FFFBEB;--c-low-text: #B45309;--c-out: #DC2626;--c-out-bg: #FEF2F2;--c-out-text: #B91C1C;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-7: 1.75rem;--space-8: 2rem;--space-9: 2.25rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--max-width: 640px;--nav-height: 64px;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--ease-out: cubic-bezier(.25, .46, .45, .94);--t-fast: .12s var(--ease-out);--t-normal: .2s var(--ease-out);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-body);color:var(--text-primary);background-color:var(--bg);line-height:1.5;min-height:100vh;min-height:100dvh;overflow-x:hidden}#root{max-width:var(--max-width);margin:0 auto;min-height:100vh;min-height:100dvh;position:relative;display:flex;flex-direction:column}h1,h2,h3,h4{font-family:var(--font-body);font-weight:700;line-height:1.2;color:var(--text-primary);letter-spacing:-.02em}h1{font-size:1.625rem;font-weight:800}h2{font-size:1.25rem}h3{font-size:1rem;font-weight:600}p{line-height:1.55;color:var(--text-secondary)}a{color:var(--accent);text-decoration:none;transition:color var(--t-fast)}button{font-family:var(--font-body);cursor:pointer;border:none;outline:none;background:none;font-size:.875rem;transition:all var(--t-normal);-webkit-tap-highlight-color:transparent}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:active{transform:scale(.97)}img{max-width:100%;display:block}input,textarea,select{font-family:var(--font-body)}.screen-content{flex:1;overflow-y:auto;padding-bottom:var(--nav-height)}.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 fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:3px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}