:root{font-family:system-ui,sans-serif;color:#213547;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh;display:grid;place-items:center;text-align:center;padding:24px;box-sizing:border-box}.login-card{width:min(100%,480px);padding:40px;border:1px solid #e5e7eb;border-radius:20px;box-shadow:0 16px 40px #0f172a1a}.login-card h1{margin:0}.subtitle{margin:8px 0 32px;color:#64748b}button{min-height:48px;padding:0 24px;border:0;border-radius:10px;font:inherit;font-weight:700;cursor:pointer}button:disabled{cursor:wait;opacity:.65}.line-login-button{width:100%;color:#fff;background:#06c755}.line-login-button:hover:not(:disabled){background:#05b34c}.session-panel{display:grid;justify-items:center;gap:16px}.session-panel h2,.session-panel p{margin:0}.avatar{width:80px;height:80px;border-radius:50%;object-fit:cover}.display-name{font-size:1.125rem;font-weight:700}dl{width:100%;margin:0;text-align:left}dl div{padding:12px 0;border-bottom:1px solid #e5e7eb}dt{color:#64748b;font-size:.875rem}dd{margin:4px 0 0;overflow-wrap:anywhere}.secondary-button{color:#fff;background:#334155}.error-message{margin:20px 0 0;color:#b91c1c}