*{box-sizing:border-box}:root{--navy:#082d57;--blue:#0d5fbe;--bg:#f4f7fb;--line:#d8e3ef;--muted:#66778a;--green:#17623a;--orange:#8a6110;--red:#a12830}
html,body{margin:0;min-height:100%;font-family:Arial,Helvetica,sans-serif;color:var(--navy);background:radial-gradient(circle at top left,#e6f1ff,transparent 34%),var(--bg)}
.track-shell{min-height:100vh;display:grid;place-items:center;padding:26px}.track-card{width:min(720px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 22px 55px rgba(8,45,87,.12)}
.badge{display:inline-block;padding:8px 13px;border-radius:999px;background:#edf5ff;color:var(--blue);font-weight:800;font-size:13px}.track-card h1{font-size:36px;margin:17px 0 8px}.lead{color:var(--muted);line-height:1.6;margin-bottom:24px}
form{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end;padding:20px;border:1px solid var(--line);border-radius:16px;background:#f9fbfe}label{display:grid;gap:8px;font-weight:800;font-size:13px}input{height:52px;padding:0 14px;border:1px solid #becddd;border-radius:12px;font:inherit;outline:none}input:focus{border-color:var(--blue);box-shadow:0 0 0 4px #0d5fbe17}button{height:52px;padding:0 19px;border:0;border-radius:12px;background:linear-gradient(180deg,#176dcc,#0d55a8);color:#fff;font-weight:800;cursor:pointer}
.result{margin-top:20px;padding:20px;border-radius:16px;background:#f8fbff;border:1px solid var(--line);display:grid;grid-template-columns:54px 1fr;gap:16px}.status-icon{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#e8f6ee;color:var(--green);font-size:25px;font-weight:900}.small,.meta{color:var(--muted);font-size:13px}.result h2{margin:4px 0 7px}.result p{line-height:1.5}.error{margin-top:18px;padding:14px;border-radius:12px;background:#fff0f1;color:var(--red);border:1px solid #f3c7ca}nav{margin-top:24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}nav a{color:var(--blue);font-weight:800;text-decoration:none}
@media(max-width:650px){.track-card{padding:20px}.track-card h1{font-size:29px}form{grid-template-columns:1fr}button{width:100%}}