:root{--accent:#0b74de;--muted:#666;--bg:#f7f9fc}
*{box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;line-height:1.4;margin:0;background:var(--bg);color:#111}
header{background:white;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 6px rgba(0,0,0,.06)}
header h1{margin:0;font-size:20px;color:var(--accent)}
nav a{margin-left:12px;text-decoration:none;color:var(--muted)}
main{padding:24px;max-width:1000px;margin:0 auto}
.product{background:white;padding:16px;border-radius:10px;display:flex;gap:16px;margin-bottom:16px;align-items:center}
.product img{width:140px;height:100px;object-fit:cover;border-radius:6px}
.product .info{flex:1}
button{background:var(--accent);border:none;color:white;padding:10px 12px;border-radius:8px;cursor:pointer}
.btn-alt{background:#444}
.form-row{margin-bottom:10px}
input,select,textarea{width:100%;padding:8px;border:1px solid #ddd;border-radius:6px}
footer{padding:18px;text-align:center;color:var(--muted);font-size:14px}