@keyframes rotate{to{transform:rotate(1turn)}}:root{--bg:#1e293b;--card:#334155;--accent:#0ea5e9;--txt:#f1f5f9}*{box-sizing:border-box;margin:0;padding:0}body{font-family:"Cairo",sans-serif;background:var(--bg);color:var(--txt);display:flex;align-items:center;justify-content:center;height:100vh;text-align:center;padding:1rem}.card{background:var(--card);border-radius:20px;padding:3rem 2.25rem;max-width:480px;width:100%;box-shadow:0 12px 24px rgba(0,0,0,.25);position:relative;overflow:hidden}h1{font-size:1.75rem;margin-bottom:.75rem;line-height:1.3}p{font-size:1rem;margin-bottom:1.25rem;line-height:1.6}.timer,a{font-weight:700}a{color:var(--accent);text-decoration:none}.timer{font-size:3rem;margin-bottom:1rem;letter-spacing:.05em}.card::after,.card::before{content:"";position:absolute}.card::before{inset:-50%;background:conic-gradient(from 0deg,var(--accent),transparent 30%,transparent 70%,var(--accent));animation:rotate 6s linear infinite}.card::after{inset:4px;background:var(--card);border-radius:inherit;z-index:-1}