:root{color-scheme:light;--background:#eef4ff;--card:hsla(0,0%,100%,.92);--text:#0f172a;--muted:#64748b;--border:#dbe4f0;--primary:#2563eb;--primary-dark:#1d4ed8;--danger:#b91c1c;--success:#047857}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,rgba(37,99,235,.22),transparent 32rem),linear-gradient(135deg,#f8fbff 0,var(--background) 100%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}.page-shell{width:min(1400px,calc(100% - 48px));margin:0 auto;padding:64px 0 32px}.hero{margin-bottom:32px}.heroHeader{display:grid;grid-template-columns:minmax(0,1.2fr) 340px;grid-gap:32px;gap:32px;align-items:flex-start}.heroCopy{max-width:920px}.eyebrow{margin:0 0 12px;color:var(--primary);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}h1{margin:0;font-size:clamp(2.25rem,6vw,4.8rem);line-height:.95;letter-spacing:-.06em}.subtitle{max-width:680px;margin:20px 0 0;color:var(--muted);font-size:1.12rem;line-height:1.7}.heroSummary{border:1px solid rgba(219,228,240,.9);border-radius:20px;background:hsla(0,0%,100%,.72);box-shadow:0 8px 20px rgba(15,23,42,.04);padding:20px}.heroSummaryToggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;border:0;background:transparent;color:inherit;cursor:pointer;padding:0;text-align:left}.heroSummaryHead{display:flex;align-items:center;gap:10px}.heroInfoIcon{display:grid;width:28px;height:28px;place-items:center;border-radius:999px;background:rgba(37,99,235,.1);font-size:.95rem}.heroInfoIcon,.heroSummaryLabel{color:var(--primary);font-weight:800}.heroSummaryLabel{margin:0;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase}.heroSummaryTitle{margin:2px 0 0;color:var(--text);font-size:1.35rem;line-height:1.2;letter-spacing:-.03em}.heroSummaryChevron{color:var(--primary);font-size:1.6rem;font-weight:500;line-height:1}.heroSummaryText{margin:12px 0 0;color:var(--muted);font-size:.98rem;line-height:1.65}.infoSection{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.infoCard{border:1px solid rgba(219,228,240,.85);border-radius:22px;background:hsla(0,0%,100%,.8);box-shadow:0 10px 28px rgba(15,23,42,.05);padding:20px}.infoStep{display:inline-grid;width:32px;height:32px;place-items:center;border-radius:999px;background:rgba(37,99,235,.12);color:var(--primary);font-size:.9rem;font-weight:800}.infoCard h3{margin:14px 0 8px;font-size:1.05rem}.infoCard p{margin:0;color:var(--muted);line-height:1.6}.card{border:1px solid rgba(219,228,240,.85);border-radius:32px;background:var(--card);box-shadow:0 24px 70px rgba(15,23,42,.12);padding:clamp(20px,4vw,36px);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.upload-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(280px,1.05fr);grid-gap:24px;gap:24px}.dropzone{position:relative;display:flex;min-height:360px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:12px;border:2px dashed #adc2e8;border-radius:26px;background:#f8fbff;padding:28px;text-align:center;transition:border-color .16s ease,background .16s ease,transform .16s ease}.dropzone:hover,.dropzoneActive{border-color:var(--primary);background:#eff6ff;transform:translateY(-2px)}.dropzone input{display:none}.browseButton{border:0;border-radius:999px;background:#2563eb;color:#fff;cursor:pointer;font-weight:700;padding:12px 18px;transition:background .16s ease,transform .16s ease}.browseButton:hover{background:#1d4ed8;transform:translateY(-1px)}.browseButton:focus-visible,.dropzone:focus-visible,.heroSummaryToggle:focus-visible,.submitButton:focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:3px}.dropzoneIcon{display:grid;width:72px;height:72px;place-items:center;border-radius:24px;background:#dbeafe;color:var(--primary);font-size:2.5rem;font-weight:300}.dropzone small{color:var(--muted)}.previewPanel{display:grid;min-height:360px;place-items:center;overflow:hidden;border:1px solid var(--border);border-radius:26px;background:#0f172a}.previewImage{width:100%;height:100%;object-fit:contain}.previewPlaceholder{color:#cbd5e1;padding:28px;text-align:center}.submitButton{grid-column:1/-1;border:0;border-radius:18px;background:var(--primary);color:#fff;cursor:pointer;font-weight:800;padding:16px 22px;transition:background .16s ease,transform .16s ease,opacity .16s ease}.submitButton:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px)}.submitButton:disabled{cursor:not-allowed;opacity:.55}.alert{margin-top:22px;border:1px solid #fecaca;border-radius:18px;background:#fef2f2;color:var(--danger);padding:14px 16px;font-weight:700}.resultPanel{display:grid;grid-template-columns:.8fr 1.2fr;grid-gap:24px;gap:24px;margin-top:24px;border:1px solid var(--border);border-radius:26px;background:#fff;padding:24px}.resultLabel{margin:0 0 4px;color:var(--muted);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.resultPanel h2{margin:0;font-size:clamp(2rem,5vw,3.4rem);letter-spacing:-.05em}.normalText{color:var(--success)}.pneumoniaText{color:var(--danger)}.metrics{display:grid;grid-gap:12px;gap:12px}.metrics div{display:flex;align-items:center;justify-content:space-between;gap:16px;border-radius:16px;background:#f8fafc;padding:14px 16px}.metrics span{color:var(--muted);font-size:.92rem}.confidenceBar{grid-column:1/-1;height:14px;overflow:hidden;border-radius:999px;background:#e2e8f0}.confidenceBar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#60a5fa,var(--primary));transition:width .26s ease}.thresholdNote{grid-column:1/-1;margin:0;color:var(--muted);font-size:.9rem;text-align:right}.gradcamPanel{margin-top:24px;border:1px solid rgba(219,228,240,.9);border-radius:26px;background:#fff;padding:24px}.gradcamHeader{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.gradcamTitle{margin:0;font-size:1.5rem;letter-spacing:-.03em}.gradcamDescription{max-width:440px;margin:0;color:var(--muted);line-height:1.6;text-align:right}.gradcamContent{display:grid;grid-gap:18px;gap:18px}.gradcamCompareGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:20px;gap:20px}.gradcamImageCard{overflow:hidden;border:1px solid rgba(219,228,240,.9);border-radius:22px;background:#0f172a}.gradcamImageHeader{border-bottom:1px solid rgba(219,228,240,.14);background:rgba(15,23,42,.82);color:#e2e8f0;font-size:.88rem;font-weight:700;letter-spacing:.04em;padding:14px 16px}.gradcamImage{display:block;width:100%;min-height:320px;max-height:420px;object-fit:contain}.gradcamNotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.gradcamNoteCard{display:flex;flex-direction:column;gap:6px;border-radius:18px;background:#f8fafc;padding:16px}.gradcamNoteCard span{color:var(--muted);font-size:.88rem}.gradcamNoteCard strong{font-size:1rem}.gradcamEmpty{border:1px dashed rgba(148,163,184,.5);border-radius:20px;padding:20px}.disclaimer,.gradcamEmpty{color:var(--muted);text-align:center}.disclaimer{font-size:.92rem;margin:20px 0 0}@media (max-width:820px){.page-shell{width:min(100%,calc(100% - 24px));padding-top:36px}.gradcamCompareGrid,.gradcamNotes,.heroHeader,.infoSection,.resultPanel,.upload-grid{grid-template-columns:1fr}.gradcamHeader{display:grid}.gradcamDescription{max-width:none;text-align:left}.dropzone,.previewPanel{min-height:280px}}