:root{--bg:#f7f7f5;--fg:#1a1a1a;--muted:#8a8a8a;--accent:#1f8a4c;--danger:#c0392b}*{box-sizing:border-box}html,body{max-width:100%;overflow-x:hidden}body{margin:0;font-family:system-ui,sans-serif;background:var(--bg);color:var(--fg)}.app{max-width:640px;margin:0 auto;padding:env(safe-area-inset-top) 12px 24px}.add-bar{display:flex;gap:8px;position:sticky;top:0;padding:12px 0;background:var(--bg)}.add-bar input{flex:1 1 auto;min-width:0;font-size:18px;padding:14px;border-radius:12px;border:1px solid #ddd}.add-bar button{flex:0 0 auto}.add-bar button,.btn{font-size:18px;padding:14px 16px;border-radius:12px;border:0;background:var(--accent);color:#fff}.item{display:flex;align-items:center;gap:12px;padding:16px 12px;border-radius:12px;background:#fff;margin:8px 0;min-height:56px}.item.checked{opacity:.55}.item.checked .name{text-decoration:line-through}.item .name{flex:1;font-size:18px}.item .who{color:var(--muted);font-size:13px}.item .del{background:none;color:var(--danger);font-size:22px;border:0;padding:8px}.section-title{color:var(--muted);font-size:13px;text-transform:uppercase;margin:16px 4px 4px}.error{background:#fdecea;color:var(--danger);padding:12px;border-radius:12px;margin:8px 0}