:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#0b0b0b;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background-color:#fff}a{color:inherit;text-decoration:none}#root{min-height:100vh;background:#fff}.app{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:#0b0b0b;color:#fff}.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.02em}.brand-icon{width:28px;height:28px;border-radius:8px;background:#fff}.nav{display:flex;gap:12px}.main{flex:1;padding:32px}.page-center{min-height:calc(100vh - 80px);display:flex;align-items:center;justify-content:center}.card{width:min(420px,92vw);background:#fff;border:1px solid #0b0b0b;padding:28px;display:flex;flex-direction:column;gap:16px}.card h1{margin:0;font-size:28px}.muted{margin:0;color:#5b5b5b;font-size:14px}.field{display:flex;flex-direction:column;gap:8px;font-size:14px;color:#0b0b0b}.field input{padding:12px 14px;border:1px solid #0b0b0b;border-radius:0;font-size:14px}.button{border:1px solid #0b0b0b;padding:12px 16px;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;cursor:pointer}.button-primary{background:#0b0b0b;color:#fff}.button-outline{background:transparent;color:#fff;border-color:#fff}.button:disabled{opacity:.6;cursor:not-allowed}.alert{border:1px solid #0b0b0b;padding:10px 12px;font-size:13px;background:#fef2f2;color:#7f1d1d}.notice{border:1px solid #0b0b0b;padding:10px 12px;font-size:13px;background:#f5f5f5}.home{max-width:720px;display:flex;flex-direction:column;gap:16px}.home h1{margin:0;font-size:32px}.home-card{padding:20px;border:1px solid #0b0b0b;background:#fff}