:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, sans-serif; color: #e8edf2; background: #0b0f13; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 50% -20%, #1c3040 0, #0b0f13 42rem); }
button, input { font: inherit; }
.shell { width: min(1050px, calc(100% - 2rem)); margin: 0 auto; padding: 5rem 0; }
header { margin-bottom: 2rem; }
.eyebrow { color: #67e0bb; font: 700 .72rem ui-monospace, monospace; letter-spacing: .18em; }
h1 { margin: .4rem 0; font-size: clamp(2.3rem, 8vw, 4.5rem); letter-spacing: -.06em; }
h2 { margin: 0; font-size: 1.05rem; }
.lede { margin: .75rem 0 0; color: #96a2ad; font-size: 1.05rem; }
.drop-zone { display: grid; place-items: center; min-height: 220px; padding: 2rem; border: 1px dashed #3c5362; border-radius: 12px; background: rgb(17 25 32 / 82%); cursor: pointer; transition: .15s ease; }
.drop-zone:hover, .drop-zone:focus-within { border-color: #67e0bb; background: #101d23; }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop-title { font-size: 1.3rem; font-weight: 650; }
.drop-help { margin-top: .55rem; color: #85939e; font-size: .88rem; }
.results { display: grid; gap: 1rem; margin-top: 1rem; }
.panel, .error, .warning { padding: 1.4rem; border: 1px solid #26343e; border-radius: 10px; background: #10161c; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.status { flex: none; padding: .3rem .55rem; border-radius: 99px; color: #73e8c2; background: #173a31; font-size: .72rem; font-weight: 700; }
.metadata { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; margin: 1.3rem 0 0; background: #26343e; border: 1px solid #26343e; }
.metadata div { padding: .85rem; background: #10161c; }
dt { margin-bottom: .35rem; color: #7e8d98; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
dd { margin: 0; font: .9rem ui-monospace, SFMono-Regular, monospace; }
.table-wrap { overflow-x: auto; margin-top: 1rem; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th { color: #7e8d98; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
th, td { padding: .7rem; border-bottom: 1px solid #26343e; }
.mono { font-family: ui-monospace, SFMono-Regular, monospace; }
.error { border-color: #6f3037; color: #ffc1c6; }
.warning { border-color: #6d5a2e; color: #f2d580; }
.error p, .warning ul { margin-bottom: 0; }
@media (max-width: 600px) { .shell { padding: 2.5rem 0; } .panel-heading { align-items: flex-start; flex-direction: column; } }