.container{max-width:680px;margin:0 auto;padding:1rem}header{text-align:center;padding:2rem 0 1.5rem}header h1{font-size:2rem;font-weight:700;color:#1e293b}header p{color:#64748b;margin-top:.5rem}.content{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 1px 4px #00000014}.live-clock{text-align:center;background:#f0fdf4;border:1px solid #86efac;border-radius:10px;padding:1rem;margin-bottom:1.5rem}.live-clock .ts{font-size:2rem;font-family:Courier New,monospace;font-weight:700;color:#15803d}.live-clock .date{font-size:.85rem;color:#64748b;margin-top:.3rem}.section{margin-bottom:1.5rem}.section h3{font-size:.85rem;color:#64748b;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}.input-row{display:flex;gap:.5rem}.input-row input{flex:1;padding:.6rem .75rem;border:1px solid #e2e8f0;border-radius:8px;font-family:Courier New,monospace;font-size:.95rem;outline:none}.input-row input:focus{border-color:#22c55e}.btn{padding:.6rem 1rem;background:#22c55e;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;white-space:nowrap}.btn:hover{background:#16a34a}.result-grid{display:grid;gap:.5rem;margin-top:.75rem}.result-row{display:flex;justify-content:space-between;align-items:center;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:.5rem .75rem}.result-row .label{font-size:.78rem;color:#94a3b8}.result-row .value{font-family:Courier New,monospace;font-size:.9rem;color:#1e293b}.btn-copy{padding:.3rem .6rem;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;cursor:pointer;font-size:.75rem}.error{color:#ef4444;font-size:.85rem;margin-top:.5rem}footer{text-align:center;padding:2rem 0;font-size:.85rem;color:#94a3b8}footer a{color:#0ea5e9;text-decoration:none;margin:0 .3rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f8fafc;color:#1e293b}