:root{font-family:system-ui,-apple-system,sans-serif;color:#172033;background:#f3f6fa}*{box-sizing:border-box}body{margin:0}header{background:#0f172a;color:white;padding:15px max(20px,calc((100vw - 1000px)/2));display:flex;justify-content:space-between;align-items:center}h1{font-size:23px;margin:0}small{font-size:13px;font-weight:400;color:#cbd5e1}main{max-width:1000px;margin:28px auto;padding:0 16px}.panel{background:white;border:1px solid #e2e8f0;border-radius:12px;padding:22px;margin:16px 0;box-shadow:0 3px 12px #14213d0a}input{padding:12px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;max-width:100%}label{display:grid;gap:8px;margin:12px 0}button{background:#0f766e;border:0;border-radius:8px;color:white;padding:12px 16px;font:inherit;cursor:pointer}button:hover{background:#115e59}nav{display:flex;flex-wrap:wrap;gap:8px}nav button{background:#334155}nav button.active{background:#0f766e}#project-form{display:flex;gap:8px;flex-wrap:wrap}#project-list article{border-bottom:1px solid #e2e8f0;padding:14px 0}#message{color:#9f1239;white-space:pre-wrap}#logout{background:#475569}@media(max-width:600px){header{padding:14px}h1{font-size:19px}.panel{padding:16px}#project-form input{width:100%}}