.sg-udp-tool{--sg-primary:#0f4c5c;--sg-accent:#f2994a;--sg-text:#111827;--sg-muted:#64748b;--sg-border:#dbe4ea;--sg-soft:#f7fafc;max-width:1100px;margin:28px auto;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--sg-text)}
.sg-udp-tool *{box-sizing:border-box}.sg-udp-tool__header{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;padding:26px;border:1px solid var(--sg-border);border-radius:16px 16px 0 0;background:linear-gradient(135deg,#f8fcfd,#eef7f8)}
.sg-udp-tool__header h2{margin:2px 0 8px;font-size:clamp(1.55rem,3vw,2.15rem);line-height:1.15}.sg-udp-tool__header p{margin:0;color:#475569}.sg-udp-tool__eyebrow{font-size:.78rem!important;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--sg-primary)!important}.sg-udp-tool__badge{white-space:nowrap;background:var(--sg-primary);color:#fff;padding:8px 12px;border-radius:999px;font-size:.8rem;font-weight:700}
.sg-udp-tool__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;padding:20px;border:1px solid var(--sg-border);border-top:0;background:#fff}.sg-udp-card{border:1px solid var(--sg-border);border-radius:14px;padding:22px;background:#fff;box-shadow:0 8px 24px rgba(15,76,92,.06)}
.sg-udp-card label{display:block;font-weight:750;margin-bottom:8px}.sg-udp-hex{width:100%;resize:vertical;min-height:112px;border:1px solid #b8c7d0;border-radius:10px;padding:14px;font:700 1.05rem/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.05em;background:#fbfdfe}.sg-udp-hex:focus{outline:3px solid rgba(15,76,92,.15);border-color:var(--sg-primary)}.sg-udp-help{font-size:.86rem;color:var(--sg-muted);margin:8px 0 16px}.sg-udp-actions{display:flex;flex-wrap:wrap;gap:10px}.sg-udp-button,.sg-udp-copy{border:1px solid var(--sg-border);border-radius:9px;padding:10px 14px;background:#fff;color:var(--sg-text);font-weight:750;cursor:pointer}.sg-udp-button:hover,.sg-udp-copy:hover{border-color:var(--sg-primary);color:var(--sg-primary)}.sg-udp-button--primary{background:var(--sg-primary);border-color:var(--sg-primary);color:#fff}.sg-udp-button--primary:hover{background:#0b3d49;color:#fff}.sg-udp-button--ghost{background:var(--sg-soft)}.sg-udp-copy:disabled{opacity:.45;cursor:not-allowed}
.sg-udp-message{min-height:24px;margin-top:12px;font-weight:650;font-size:.9rem}.sg-udp-message--error{color:#b42318}.sg-udp-message--success{color:#067647}.sg-udp-details{margin-top:12px;border-top:1px solid var(--sg-border);padding-top:12px}.sg-udp-details summary{cursor:pointer;font-weight:750;color:var(--sg-primary)}.sg-udp-layout-table{margin-top:12px;border:1px solid var(--sg-border);border-radius:10px;overflow:hidden}.sg-udp-layout-table__row{display:grid;grid-template-columns:70px 1fr 70px}.sg-udp-layout-table__row span{padding:8px 10px;border-bottom:1px solid var(--sg-border)}.sg-udp-layout-table__row:last-child span{border-bottom:0}.sg-udp-layout-table__head{font-weight:800;background:var(--sg-soft)}
.sg-udp-results-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.sg-udp-results-head h3{margin:0}.sg-udp-empty{padding:32px 18px;text-align:center;color:var(--sg-muted);border:1px dashed #cbd5e1;border-radius:10px;background:var(--sg-soft)}.sg-udp-result-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid #edf2f5}.sg-udp-result-row strong{display:block;margin-top:3px;font-size:1rem}.sg-udp-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--sg-muted);font-weight:800}.sg-udp-result-row code{background:#edf7f8;color:#0b5565;padding:6px 8px;border-radius:7px}.sg-udp-note{font-size:.8rem;color:var(--sg-muted)}.sg-udp-analysis,.sg-udp-byte-map{margin-top:18px}.sg-udp-analysis h4,.sg-udp-byte-map h4{margin:0 0 8px}.sg-udp-analysis p{margin:0;padding:12px;background:#fff8ef;border-left:4px solid var(--sg-accent);border-radius:8px;line-height:1.6}.sg-udp-byte-map__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.sg-udp-byte{text-align:center;border:1px solid var(--sg-border);border-radius:9px;padding:9px;background:var(--sg-soft)}.sg-udp-byte span,.sg-udp-byte small{display:block;color:var(--sg-muted);font-size:.68rem}.sg-udp-byte strong{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1rem;color:var(--sg-primary)}
.sg-udp-info{border:1px solid var(--sg-border);border-top:0;border-radius:0 0 16px 16px;padding:22px 26px;background:#f8fafc}.sg-udp-info h3{margin:0 0 7px}.sg-udp-info p{margin:0;color:#475569;line-height:1.65}
@media(max-width:760px){.sg-udp-tool__grid{grid-template-columns:1fr;padding:14px}.sg-udp-tool__header{padding:20px;flex-direction:column}.sg-udp-tool__badge{align-self:flex-start}.sg-udp-card{padding:16px}.sg-udp-byte-map__grid{grid-template-columns:repeat(2,1fr)}.sg-udp-result-row{align-items:flex-start;flex-direction:column;gap:7px}.sg-udp-results-head{align-items:flex-start}.sg-udp-layout-table__row{grid-template-columns:58px 1fr 62px;font-size:.85rem}}