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rgba(0,0,0,.18));pointer-events:none}.card-heading{margin-bottom:22px}.hero-heading{max-width:840px;padding-right:min(245px,30vw)}.eyebrow{margin:0 0 12px;color:#1d4ed8;font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}h1,h2{margin:0;color:#0f172a;line-height:1}h1{max-width:820px;font-size:clamp(2.6rem,6vw,5rem);font-weight:800;letter-spacing:-.045em}h2{max-width:820px;font-size:clamp(2rem,4vw,3.35rem);font-weight:800;letter-spacing:-.06em}.intro,.file-note{max-width:760px;color:#475569;font-size:1rem;line-height:1.6}.abx-tabs{display:flex;gap:10px;margin:28px 0 24px;padding:8px;border:1px solid rgba(148,163,184,.28);border-radius:22px;background:#f1f5f9;box-shadow:inset 0 2px 6px #0f172a14}.abx-tab-button{flex:1;min-height:54px;border:1px solid transparent;border-radius:16px;color:#334155;background:#ffffffd1;font-weight:900;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease,background .16s ease,color .16s ease}.abx-tab-button:hover{border-color:#93c5fd;color:#1d4ed8;transform:translateY(-1px)}.abx-tab-button.active{color:#fff;background:linear-gradient(135deg,#2563eb,#1d4ed8);box-shadow:0 16px 28px #2563eb47}.source-form{display:grid;gap:18px;margin-top:24px}.drop-zone{display:grid;justify-items:center;gap:8px;padding:22px;border:2px dashed #93c5fd;border-radius:24px;color:#0f172a;background:#eff6ff;text-align:center;cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}.drop-zone:hover,.drop-zone.dragging{border-color:#2563eb;background:#dbeafe}.drop-zone.dragging{transform:translateY(-1px)}.drop-zone span{font-size:1.15rem;font-weight:800}.drop-zone small{color:#64748b}.file-pill{margin-top:8px;padding:8px 12px;border-radius:999px;color:#1e3a8a;background:#fffc;font-size:.82rem;font-weight:900}.file-input-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 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ease,box-shadow .16s ease,background .16s ease}.primary-action:hover:not(:disabled){background:#111827;transform:translateY(-2px)}.secure-action{font-size:1.05rem}.lock-icon,.lock-icon svg{width:22px;height:22px}.loading-panel{display:grid;justify-items:center;gap:20px;margin-top:26px;padding:30px;border:3px solid transparent;border-radius:28px;color:#0f172a;background:linear-gradient(#f8fafc,#f8fafc) padding-box,conic-gradient(#2563eb,#22d3ee,#facc15,#f97316,#ec4899,#2563eb) border-box}.loading-panel p{margin:0;color:#334155;font-weight:900}.spinner-wheel{width:min(46vw,190px);aspect-ratio:1;border-radius:50%;background:conic-gradient(#2563eb,#22d3ee,#facc15,#f97316,#2563eb);animation:spin 1s linear infinite}.spinner-wheel:after{content:"";display:block;width:56%;height:56%;margin:22%;border-radius:50%;background:#f8fafc}.error-message{margin-top:20px;padding:16px 18px;border-radius:18px;color:#991b1b;background:#fee2e2;font-weight:800}.placeholder-panel{padding:24px;border:2px solid #e2e8f0;border-radius:24px;background:#f8fafc}.placeholder-panel code{color:#0f172a;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;word-break:break-word}.image-compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}.image-panel{min-width:0;padding:16px;border:2px solid #e2e8f0;border-radius:28px;background:#f8fafc}.image-panel img{display:block;width:100%;max-height:520px;object-fit:contain;border-radius:20px;background:#e2e8f0}.download-action{display:flex;width:fit-content;margin:0 auto 24px}.metadata-grid{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);gap:16px}.info-panel{min-width:0;padding:20px;border:2px solid #e2e8f0;border-radius:24px;background:#f8fafc}.panel-label{margin:0 0 12px;color:#1d4ed8;font-size:.75rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.watermark-key-block{margin-top:22px;padding-top:18px;border-top:1px solid #e2e8f0}.decode-result-panel{max-width:680px}.status-pill{display:inline-flex;width:fit-content;padding:10px 14px;border-radius:999px;color:#92400e;background:#fef3c7;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.info-panel code,.metadata-panel pre{display:block;max-width:100%;overflow:auto;margin:0;color:#0f172a;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.88rem;line-height:1.55;white-space:pre-wrap;word-break:break-word}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:760px){.page-shell{padding-top:30px}.card-logo{position:static;display:block;width:180px;margin:0 0 18px auto}.hero-heading{padding-right:0}.abx-tabs,.image-compare-grid,.metadata-grid{grid-template-columns:1fr}.abx-tabs{flex-direction:column}.image-compare-grid,.metadata-grid{display:grid}.abx-tab-button{width:100%}}