:root{color-scheme:light;--ink:#14213d;--bg:#f5f7fa;--card:#fff;--accent:#0b6e75}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px system-ui,sans-serif}header{display:flex;justify-content:space-between;padding:1rem;background:#17324d;color:white}main{max-width:900px;margin:auto;padding:1rem}nav{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}article{background:var(--card);padding:1rem;margin:.75rem 0;border-radius:.65rem}.priority-high{border-left:.5rem solid #d97706}.priority-urgent{border-left:.5rem solid #b91c1c}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}label{display:block;margin:1rem 0}input,textarea,select,button{width:100%;padding:.75rem;font:inherit}button{background:var(--accent);color:white;border:0;border-radius:.4rem}a{color:#075e66}@media(min-width:700px){main{padding:2rem}button{width:auto}}