:root{font-family:system-ui,-apple-system,sans-serif;line-height:1.5;color:#213547;background-color:#f8f9fa}body{margin:0;padding:2rem}.app-container{max-width:640px;margin:0 auto}h1{color:#1a73e8;margin-bottom:.25rem}.subtitle{color:#666;font-size:.9rem;margin-top:0}.user-info{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;padding:.75rem 1rem;background:#e8f4fd;border-radius:8px}.user-info p{margin:0;flex:1}.welcome{text-align:center;padding:2rem}button{padding:.5rem 1.25rem;border:none;border-radius:6px;font-size:.9rem;cursor:pointer;color:#fff;background:#1a73e8}button:hover{background:#1557b0}button.logout{background:#666}button.logout:hover{background:#444}.items-section{margin-top:1rem}.items-section h2{margin-bottom:.5rem}.item-card{padding:.75rem 1rem;margin-bottom:.5rem;background:#fff;border:1px solid #e0e0e0;border-radius:6px}.meta{margin-top:1rem;padding:.75rem;background:#f0f0f0;border-radius:6px;font-size:.85rem;color:#555}.error{color:#c62828;padding:1rem;background:#fce4ec;border-radius:6px}.loading{color:#666;font-style:italic}