.validation{color:red}label{display:block}input[type=checkbox]+label{display:inline}.site-footer{display:flex;width:100%;margin-top:2rem;padding:1rem 0;justify-content:center;align-items:center;border-top:1px solid #ddd;color:#666;font-size:.9rem}.site-header{display:flex;width:100%;background-color:var(--card);color:var(--text);font-weight:700}.site-header h1{margin:0;padding:1rem}.main-layout{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1}.theme-toggle-button{margin-left:auto;padding:.25rem .5rem;background-color:transparent;border:1px solid var(--text);color:var(--text);cursor:pointer;border-radius:4px;align-self:center;flex-shrink:0}:root{--bg: #ffffff;--text: #111111;--card: #f4f4f4}:root[data-theme=dark]{--bg: #0f1115;--text: #e6e6e6;--card: #1a1d24}body{background:var(--bg);color:var(--text);margin:0;padding:0}.card{background:var(--card)}