:root{
    --bg:#0b1020;
    --bg-soft:#121936;
    --card:#121a2b;
    --card-2:#182236;
    --text:#eef3ff;
    --muted:#9aa8c7;
    --line:rgba(255,255,255,.08);
    --accent:#6ea8fe;
    --accent-2:#7ef0c2;
    --danger:#ff7b7b;
    --shadow:0 20px 60px rgba(0,0,0,.28);
    --radius:24px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
    font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
    background:
        radial-gradient(circle at top left, rgba(110,168,254,.16), transparent 35%),
        radial-gradient(circle at top right, rgba(126,240,194,.10), transparent 25%),
        linear-gradient(180deg, #0a0f1d 0%, #0c1222 100%);
    color:var(--text);
    min-height:100vh;
}

a{text-decoration:none;color:inherit}

.site-shell{min-height:100vh}
.container{
    width:min(1100px, calc(100% - 32px));
    margin:0 auto;
}

.topbar{
    position:sticky;
    top:0;
    z-index:10;
    background:rgba(10,15,29,.72);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
}

.topbar-inner{
    height:72px;
    display:flex;
    align-items:center;
}

.brand{
    display:inline-flex;
    align-items:center;
    gap:12px;
    font-weight:700;
    letter-spacing:.2px;
}

.brand-dot{
    width:12px;
    height:12px;
    border-radius:999px;
    background:linear-gradient(135deg,var(--accent),var(--accent-2));
    box-shadow:0 0 18px rgba(110,168,254,.55);
}

.page{
    padding:42px 0 80px;
}

.hero{
    display:grid;
    place-items:center;
    min-height:calc(100vh - 180px);
}

.hero-card{
    width:min(860px,100%);
    padding:40px;
    border:1px solid var(--line);
    border-radius:32px;
    background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
    box-shadow:var(--shadow);
}

.hero-badge{
    display:inline-block;
    padding:8px 12px;
    border-radius:999px;
    background:rgba(110,168,254,.12);
    color:#cfe0ff;
    border:1px solid rgba(110,168,254,.18);
    font-size:13px;
    margin-bottom:18px;
}

.hero h1{
    margin:0 0 14px;
    font-size:clamp(34px,5vw,58px);
    line-height:1.02;
    letter-spacing:-1.5px;
}

.hero p{
    margin:0;
    color:var(--muted);
    font-size:18px;
    line-height:1.65;
    max-width:700px;
}

.track-form{
    margin-top:28px;
    display:grid;
    grid-template-columns:1.6fr .9fr auto;
    gap:14px;
}

.input-wrap{
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:18px;
    padding:0 16px;
    min-height:62px;
    display:flex;
    align-items:center;
}

.input-wrap input,
.input-wrap select{
    width:100%;
    background:transparent;
    border:0;
    outline:none;
    color:var(--text);
    font-size:16px;
}

.input-wrap select option{
    color:#111827;
}

.btn-primary{
    min-height:62px;
    padding:0 24px;
    border:0;
    border-radius:18px;
    background:linear-gradient(135deg,var(--accent),#89b7ff);
    color:#08111f;
    font-weight:800;
    font-size:15px;
    cursor:pointer;
    box-shadow:0 14px 34px rgba(110,168,254,.28);
    transition:transform .18s ease, box-shadow .18s ease;
}

.btn-primary:hover{
    transform:translateY(-1px);
    box-shadow:0 18px 38px rgba(110,168,254,.35);
}

.hero-note{
    margin-top:18px;
    color:var(--muted);
    font-size:14px;
}

.back-row{
    margin-bottom:18px;
}

.back-link{
    color:#c7d7ff;
    font-size:14px;
}

.summary-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:18px;
}

.summary-card{
    background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
    border:1px solid var(--line);
    border-radius:28px;
    padding:28px;
    box-shadow:var(--shadow);
}

.summary-pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(126,240,194,.10);
    color:#b9f6df;
    border:1px solid rgba(126,240,194,.16);
    border-radius:999px;
    padding:8px 12px;
    font-size:13px;
    margin-bottom:16px;
}

.summary-main h1{
    margin:0 0 18px;
    font-size:clamp(28px,4vw,42px);
    letter-spacing:-1px;
}

.status-block{
    padding:18px 20px;
    border-radius:22px;
    background:rgba(255,255,255,.035);
    border:1px solid var(--line);
    margin-bottom:20px;
}

.status-label{
    font-size:13px;
    color:var(--muted);
    margin-bottom:8px;
}

.status-value{
    font-size:24px;
    font-weight:800;
    line-height:1.25;
}

.summary-meta{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:14px;
}

.meta-item{
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    border-radius:18px;
    padding:16px 18px;
}

.meta-label{
    display:block;
    font-size:12px;
    color:var(--muted);
    margin-bottom:6px;
    text-transform:uppercase;
    letter-spacing:.08em;
}

.meta-value{
    display:block;
    font-size:15px;
    font-weight:600;
}

.timeline-section{
    margin-top:26px;
}

.section-title-row{
    display:flex;
    align-items:end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:18px;
}

.section-title-row h2{
    margin:0;
    font-size:28px;
    letter-spacing:-.6px;
}

.section-subtitle{
    color:var(--muted);
    font-size:14px;
}

.timeline{
    position:relative;
    display:flex;
    flex-direction:column;
    gap:16px;
    padding-left:18px;
}

.timeline::before{
    content:"";
    position:absolute;
    left:6px;
    top:0;
    bottom:0;
    width:2px;
    background:linear-gradient(180deg, rgba(110,168,254,.45), rgba(255,255,255,.08));
}

.timeline-item{
    position:relative;
    display:grid;
    grid-template-columns:24px 1fr;
    gap:18px;
    align-items:start;
}

.timeline-marker{
    position:relative;
    width:14px;
    height:14px;
    margin-top:24px;
    border-radius:999px;
    background:#91b9ff;
    box-shadow:0 0 0 4px rgba(110,168,254,.14);
}

.timeline-marker.is-latest{
    background:var(--accent-2);
    box-shadow:0 0 0 6px rgba(126,240,194,.12);
}

.timeline-card{
    border:1px solid var(--line);
    border-radius:22px;
    background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.025));
    padding:18px 20px;
    box-shadow:var(--shadow);
}

.timeline-top{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:16px;
}

.timeline-title{
    font-size:17px;
    font-weight:700;
    line-height:1.35;
}

.timeline-time{
    white-space:nowrap;
    color:#d8e3ff;
    font-size:14px;
    font-weight:600;
}

.timeline-bottom{
    margin-top:12px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    color:var(--muted);
    flex-wrap:wrap;
}

.timeline-location{
    font-size:14px;
}

.timeline-code{
    font-size:13px;
    padding:6px 10px;
    border-radius:999px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
}

.error-card{
    background:rgba(255,123,123,.08);
    border:1px solid rgba(255,123,123,.18);
    border-radius:24px;
    padding:22px;
    box-shadow:var(--shadow);
}

.error-title{
    font-size:20px;
    font-weight:800;
    margin-bottom:8px;
    color:#ffd1d1;
}

.error-text{
    color:#ffdede;
    line-height:1.6;
}

@media (max-width: 860px){
    .track-form{
        grid-template-columns:1fr;
    }

    .summary-meta{
        grid-template-columns:1fr;
    }

    .timeline-top{
        flex-direction:column;
    }

    .timeline-time{
        white-space:normal;
    }

    .hero-card,
    .summary-card{
        padding:22px;
        border-radius:24px;
    }

    .page{
        padding-top:26px;
    }
}