:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--danger-color:#ef4444;--danger-hover:#dc2626;--text-color:#111827;--background-color:#ffffff}@media (prefers-color-scheme:dark){:root{--background:#0a0a0a;--foreground:#ededed}}body,html{max-width:100vw;overflow-x:hidden}body{font-family:system-ui,-apple-system,sans-serif;color:var(--text-color);background-color:var(--background-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,body{margin:0;padding:0}*{box-sizing:border-box}a{color:inherit;text-decoration:none}@media (prefers-color-scheme:dark){html{color-scheme:dark}}.container{padding:2rem;max-width:1200px;margin:0 auto}.auth-container{display:flex;flex-direction:column;gap:1rem;align-items:flex-start}.button{padding:.5rem 1rem;border:none;border-radius:.375rem;font-size:1rem;cursor:pointer;transition:background-color .2s ease}.button-signin{background-color:var(--primary-color);color:white}.button-signin:hover{background-color:var(--primary-hover)}.button-signout{background-color:var(--danger-color);color:white;margin-top:1rem}.button-signout:hover{background-color:var(--danger-hover)}.device-auth-form{width:100%;max-width:500px}.input-group{display:flex;gap:.5rem;margin:1rem 0}.input{flex:1 1;padding:.5rem;border:1px solid #d1d5db;border-radius:.375rem;font-size:1rem}.input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.button-primary{background-color:var(--primary-color);color:white}.button-primary:hover{background-color:var(--primary-hover)}.button-primary:disabled{background-color:#9ca3af;cursor:not-allowed}.button-secondary{background-color:#6b7280;color:white}.button-secondary:hover{background-color:#4b5563}.button-group{display:flex;gap:.5rem;margin:1rem 0}.device-auth-details{width:100%;max-width:600px}.device-info{background-color:#f9fafb;border:1px solid #e5e7eb;border-radius:.5rem;padding:1rem;margin:1rem 0}.device-info p{margin:.5rem 0}.auth-actions{margin:1rem 0}.success-message{text-align:center;color:#059669}.error{color:var(--danger-color);margin:.5rem 0}