*{box-sizing:border-box}body{margin:0;background:#fafafa;color:#242424;font:16px/1.5 system-ui,-apple-system,'Segoe UI',sans-serif}main{max-width:740px;margin:auto;padding:24px 18px calc(24px + env(safe-area-inset-bottom))}header{padding:18px 0 28px}h1{font-size:38px;letter-spacing:-1.4px;line-height:1.15;margin:8px 0}h2{font-size:21px;letter-spacing:-.3px;margin:0 0 8px}h3{font-size:18px;line-height:1.4;margin:0 0 8px;overflow-wrap:anywhere}p{margin:8px 0 12px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#666}header p,.muted,footer{color:#616161;font-size:14px}section,details{background:#fff;border-radius:12px;padding:20px;margin-bottom:16px;box-shadow:0 0 0 1px #e5e5e5,0 3px 8px #22222205}summary{cursor:pointer;font-weight:650;min-height:44px;display:list-item;align-content:center}details[open]>summary{margin-bottom:12px}article{padding:18px 0;border-top:1px solid #e9e9e9}article p{font-size:14px;color:#616161;margin:6px 0}article details{box-shadow:none;background:#f8f8f8;padding:10px 14px;margin:16px 0 0}article details details{padding:8px 0}label{display:block;font-size:14px;font-weight:600;margin:12px 0 8px}input,select,button{font:inherit;max-width:100%;min-width:0;border:1px solid #ccc;border-radius:8px;padding:11px 12px;min-height:46px}input,select{width:100%;display:block;background:#fff;color:#242424;margin:7px 0}button{background:#242424;color:#fff;font-size:14px;font-weight:600;cursor:pointer}.secondary{background:#fff;color:#242424;border-color:#d6d6d6}.danger{background:#fff;color:#94332f;border-color:#e3c9c7}.actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}.actions button{flex:1 1 auto}.form-row{display:flex;gap:16px}.form-row>label{flex:1}.check{display:flex;align-items:center;gap:8px}.check input{width:20px;min-height:24px}.sectionhead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:24px 0}.sectionhead .actions{margin:0}.count{font-size:13px;color:#666;background:#f0f0f0;padding:3px 8px;border-radius:20px;margin-left:6px}.badge{display:inline-block;font-size:12px;font-weight:650;color:#8b3826;background:#fff1e9;border-radius:20px;padding:4px 9px;margin:0 0 4px}#overdue-section h2{color:#933b2c}.empty{font-size:14px;color:#666;padding:12px 0}.done h3{color:#555}.date-nav{display:flex;align-items:center;gap:12px;margin:12px 0}.date-nav label{flex:1;min-width:0}.date-nav button{flex:0 0 46px}#timeline{margin-top:24px}#message:not(:empty){background:#fff1d8;padding:12px;border-radius:8px;color:#654307}footer{margin-top:32px}button:disabled{opacity:.5;cursor:wait}:focus-visible{outline:3px solid #3879c4;outline-offset:3px}[hidden]{display:none!important}@media(max-width:420px){main{padding-left:12px;padding-right:12px}section,details{padding:16px}.actions button{flex:1 1 40%}.sectionhead{gap:8px}.sectionhead .actions button{flex:auto}.form-row{gap:10px}.date-nav{gap:8px}}

/* Lists share the existing quiet, high-contrast app design. */
#lists-panel{margin-top:20px}#lists-panel .list-item-live{padding:2px 0}#lists-panel .item-line{display:flex;align-items:flex-start;gap:8px}#lists-panel .item-check{flex:1;min-width:0;min-height:44px;padding:8px;text-align:left;font-size:17px;line-height:26px;overflow-wrap:anywhere;white-space:normal}#lists-panel .item-edit-toggle{flex:0 0 44px;min-width:44px;min-height:44px;padding:8px 4px;border-color:transparent;background:transparent;font-size:13px}#lists-panel .item-meta{margin:2px 8px 6px;font-size:13px}#lists-panel .item-editor{padding:8px 12px 12px;background:#f8f8f8;border-radius:8px;margin:6px 0}#lists-panel .item-check[aria-checked="true"]{text-decoration:line-through;color:#616161;background:#f6f6f6}#lists-panel p{overflow-wrap:anywhere}#list-cards button{width:100%;min-height:52px;text-align:left}#lists-message:not(:empty){padding:12px;border-left:3px solid #242424;background:#f5f5f5}#workspace>nav{margin-bottom:20px}#workspace>nav button[aria-pressed="true"]{background:#242424;color:#fff}#workspace>nav button[aria-pressed="false"]{background:#fff;color:#242424}#list-detail>form{margin-bottom:16px}#lists-panel[inert]{opacity:.7}