.pdcpan-tool{--pdcpan-primary:#2563EB;--pdcpan-primary-hover:#1D4ED8;--pdcpan-accent:#EFF6FF;--pdcpan-text:#111827;--pdcpan-muted:#4B5563;--pdcpan-border:#E5E7EB;--pdcpan-surface:#fff;--pdcpan-subtle:#F8FAFC;--pdcpan-success:#15803D;--pdcpan-warning:#B45309;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--pdcpan-text);line-height:1.6}
.pdcpan-tool *{box-sizing:border-box}.pdcpan-shell{max-width:1050px;margin:0 auto}.pdcpan-header{margin-bottom:22px}.pdcpan-title{font-size:clamp(28px,4vw,38px);line-height:1.15;margin:0 0 8px}.pdcpan-subtitle{margin:0;color:var(--pdcpan-muted);font-size:16px;max-width:760px}.pdcpan-card{background:var(--pdcpan-surface);border:1px solid var(--pdcpan-border);border-radius:16px;padding:22px;box-shadow:0 8px 28px rgba(17,24,39,.05)}
.pdcpan-input-card{margin-bottom:22px}.pdcpan-field{display:flex;flex-direction:column;gap:8px}.pdcpan-label{font-weight:700;font-size:15px}.pdcpan-textarea,.pdcpan-select{width:100%;border:1px solid #CBD5E1;border-radius:12px;background:#fff;color:var(--pdcpan-text);font:inherit;font-size:16px;transition:border-color .15s,box-shadow .15s}.pdcpan-textarea{padding:14px 16px;min-height:112px;resize:vertical}.pdcpan-select{min-height:50px;padding:0 14px}.pdcpan-textarea:focus,.pdcpan-select:focus,.pdcpan-button:focus-visible,.pdcpan-related-link:focus-visible{outline:3px solid rgba(37,99,235,.22);outline-offset:2px;border-color:var(--pdcpan-primary)}
.pdcpan-help{margin:0;color:var(--pdcpan-muted);font-size:14px}.pdcpan-controls-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:end;margin-top:18px}.pdcpan-key-field{max-width:360px}.pdcpan-button{min-height:50px;border-radius:12px;border:1px solid transparent;padding:0 20px;font:inherit;font-weight:700;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}.pdcpan-button:hover{transform:translateY(-1px)}.pdcpan-button-primary{background:var(--pdcpan-primary);color:#fff}.pdcpan-button-primary:hover{background:var(--pdcpan-primary-hover)}.pdcpan-button-secondary{background:#fff;color:var(--pdcpan-primary);border-color:#BFDBFE}.pdcpan-button-ghost{background:var(--pdcpan-subtle);color:var(--pdcpan-text);border-color:var(--pdcpan-border)}.pdcpan-status{min-height:22px;margin-top:12px;font-size:14px;color:var(--pdcpan-muted)}.pdcpan-status.is-error{color:#B91C1C;font-weight:600}.pdcpan-status.is-success{color:var(--pdcpan-success);font-weight:600}
.pdcpan-results{display:flex;flex-direction:column;gap:18px}.pdcpan-result-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:18px}.pdcpan-key-card,.pdcpan-roman-card{background:linear-gradient(180deg,#fff,var(--pdcpan-subtle))}.pdcpan-eyebrow{display:block;color:var(--pdcpan-muted);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}.pdcpan-key-result{font-size:clamp(30px,5vw,46px);font-weight:800;line-height:1.1}.pdcpan-key-note{margin:10px 0 0;color:var(--pdcpan-muted);font-size:14px}.pdcpan-roman-result{font-size:clamp(24px,4vw,36px);font-weight:800;line-height:1.35;word-break:break-word}.pdcpan-section-head h3{margin:0 0 14px;font-size:20px}.pdcpan-table-wrap{overflow-x:auto}.pdcpan-table{width:100%;border-collapse:collapse;min-width:720px}.pdcpan-table th,.pdcpan-table td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--pdcpan-border);vertical-align:top}.pdcpan-table th{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--pdcpan-muted);background:var(--pdcpan-subtle)}.pdcpan-table td{font-size:15px}.pdcpan-badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:800}.pdcpan-badge-good{background:#ECFDF3;color:#166534}.pdcpan-badge-warn{background:#FFF7ED;color:#9A3412}.pdcpan-invalid-chord{color:#B91C1C;font-weight:700}.pdcpan-actions{display:flex;gap:12px;flex-wrap:wrap}
.pdcpan-related{margin-top:28px;padding:26px 28px;border:1px solid var(--pdcpan-border);border-radius:14px;background:#fff}.pdcpan-related-title{font-size:20px;margin:0 0 18px}.pdcpan-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 32px}.pdcpan-related-link{color:#4B5563;text-decoration:none;font-weight:700;line-height:1.45}.pdcpan-related-link:hover{color:var(--pdcpan-primary);text-decoration:underline}
@media(max-width:760px){.pdcpan-card{padding:18px}.pdcpan-controls-row{grid-template-columns:1fr}.pdcpan-key-field{max-width:none}.pdcpan-result-grid{grid-template-columns:1fr}.pdcpan-button{width:100%}.pdcpan-related{padding:22px 20px}.pdcpan-related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 20px}}
@media(max-width:480px){.pdcpan-related-grid{grid-template-columns:1fr}}