.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);backdrop-filter:blur(2px);padding:1rem}
.modal{width:100%;max-width:460px;background:#fff;border-radius:12px;padding:1.25rem;box-shadow:0 8px 30px rgba(0,0,0,.2)}
.modal h2{margin:0 0 .5rem;font-size:1.15rem}
.modal p{margin:.25rem 0 1rem;color:#333}
.buttons{display:flex;gap:.5rem;justify-content:flex-end}
.btn{padding:.5rem .85rem;border-radius:8px;border:0;cursor:pointer;font-weight:600}
.btn.primary{background:#0b74ff;color:#fff}
.btn.ghost{background:transparent;border:1px solid #ddd}
.countdown{font-weight:700;margin-left:.25rem}