*{box-sizing:border-box}body{width:360px;margin:0 auto;padding:2rem 1rem}h1{margin:0;font-size:1.2rem}details{background-color:#ecd2a64d;border:1px solid #ccc;padding:.5rem}details p{margin:1rem 0}details p:last-child{margin-bottom:0}p{margin:0}#toast-container{z-index:9999;flex-direction:column;gap:10px;width:300px;display:flex;position:fixed;left:calc(50% - 150px)}.toast{text-align:center;color:#fff;opacity:0;background-color:#333;border-radius:8px;width:100%;padding:6px;font-family:sans-serif;transition:transform .3s,opacity .3s;transform:translateY(10px);box-shadow:0 4px 12px #00000026}.toast.show{opacity:1;transform:translate(0)}.highlight{border:2px solid #6cb1eb}