:root{--primary:#2563eb;--primary-dark:#1d4ed8;--accent:#2563eb;--surface:#ffffff;--surface-muted:#f4f6fb;--border:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--shadow-soft:0 20px 45px rgba(15,23,42,0.08);--gradient:linear-gradient(135deg,#2563eb 0%,#93c5fd 100%);}
.dpc-root{--dpc-a:#0d9488;--dpc-b:#7c3aed;--dpc-accent:#ea580c;--dpc-well:#f1f5f9;--dpc-well-border:#e2e8f0;margin:0 auto 2.5rem;}
.dpc-pill-row{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:0.75rem;}
.dpc-pill{display:inline-flex;align-items:center;gap:0.35rem;padding:0.35rem 0.75rem;border-radius:999px;font-size:0.8125rem;font-weight:600;background:var(--surface-muted);color:var(--text-main);border:1px solid var(--border);}
.dpc-pill svg{width:14px;height:14px;opacity:0.85;}
.dpc-panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-soft);overflow:hidden;}
.dpc-tool-card{display:flex;flex-direction:column;}
.dpc-card-head{padding:1rem 1.25rem;border-bottom:1px solid var(--border);background:linear-gradient(180deg,var(--surface-muted) 0%,var(--surface) 100%);}
.dpc-panel-title{margin:0;font-size:1.0625rem;font-weight:800;letter-spacing:-0.02em;color:var(--text-main);}
.dpc-card-head-note{margin:0.4rem 0 0;font-size:0.8125rem;color:var(--text-muted);line-height:1.45;max-width:52ch;}
.dpc-card-split{display:grid;grid-template-columns:1fr;gap:0;}
@media (min-width:768px){.dpc-card-split{grid-template-columns:minmax(260px,1fr) minmax(300px,1.12fr);align-items:stretch;}.dpc-card-col--options{border-right:1px solid var(--border);}}
@media (max-width:767px){.dpc-card-col--options{border-bottom:1px solid var(--border);}}
.dpc-card-col{padding:1.1rem 1.25rem 1.35rem;display:flex;flex-direction:column;gap:0.75rem;min-width:0;}
.dpc-card-col--results{background:var(--surface-muted);}
@media (min-width:768px){.dpc-card-col--results{background:linear-gradient(180deg,#fafbfc 0%,var(--surface-muted) 40%);}}
.dpc-col-title{margin:0;font-size:0.6875rem;font-weight:800;letter-spacing:0.1em;text-transform:uppercase;color:var(--text-muted);}
.dpc-fieldset-label{margin:0;font-size:0.6875rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;color:var(--text-muted);}
.dpc-meta-tight{margin:0;font-size:0.8125rem;color:var(--text-muted);line-height:1.5;}
.dpc-meta-flush{margin:0.65rem 0 0;}
.dpc-dim{display:inline-flex;padding:3px;border-radius:12px;background:var(--surface-muted);border:1px solid var(--border);gap:2px;}
.dpc-dim-btn{appearance:none;border:0;background:transparent;color:var(--text-muted);font-size:0.8125rem;font-weight:700;padding:0.45rem 0.9rem;border-radius:9px;cursor:pointer;transition:color 0.15s,background 0.15s;}
.dpc-dim-btn[aria-pressed="true"]{background:var(--surface);color:var(--text-main);box-shadow:0 1px 3px rgba(0,0,0,0.08);}
.dpc-dim-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.dpc-examples{display:flex;flex-wrap:wrap;gap:0.45rem;}
.dpc-ex-btn{font-size:0.75rem;font-weight:600;padding:0.4rem 0.65rem;border-radius:8px;border:1px dashed var(--border);background:transparent;color:var(--text-muted);cursor:pointer;}
.dpc-ex-btn:hover{border-color:var(--primary);color:var(--primary);}
.dpc-ex-btn:focus-visible{outline:2px solid var(--primary);outline-offset:1px;}
.dpc-comp-grid{display:grid;gap:0.65rem;}
.dpc-comp-row{display:grid;grid-template-columns:auto 1fr;gap:0.5rem 0.75rem;align-items:center;min-width:0;}
.dpc-pair{display:grid;grid-template-columns:1fr 1fr;gap:0.5rem;min-width:0;}
@media (max-width:479px){.dpc-comp-row{grid-template-columns:1fr;}.dpc-axis-badge{justify-self:start;}}
.dpc-axis-badge{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:0.7rem;font-weight:800;letter-spacing:0.06em;text-transform:uppercase;color:var(--text-muted);min-width:1.5rem;}
.dpc-field{display:flex;flex-direction:column;gap:0.2rem;min-width:0;}
.dpc-field span{font-size:0.65rem;font-weight:700;text-transform:uppercase;letter-spacing:0.04em;}
.dpc-field-a span{color:var(--dpc-a);}
.dpc-field-b span{color:var(--dpc-b);}
.dpc-num{width:100%;box-sizing:border-box;padding:0.55rem 0.65rem;border-radius:10px;border:1px solid var(--border);background:var(--surface-muted);color:var(--text-main);font-size:1rem;font-variant-numeric:tabular-nums;}
.dpc-num:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,0.15);}
.dpc-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.dpc-actions{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:auto;padding-top:0.35rem;}
.dpc-btn-primary{appearance:none;border:0;border-radius:11px;padding:0.65rem 1.1rem;font-weight:700;font-size:0.875rem;background:var(--primary);color:#fff;cursor:pointer;}
.dpc-btn-primary:hover{filter:brightness(1.05);}
.dpc-btn-ghost{border-radius:11px;padding:0.65rem 1rem;font-weight:600;font-size:0.875rem;background:transparent;border:1px solid var(--border);color:var(--text-main);cursor:pointer;}
.dpc-btn-ghost:hover{border-color:var(--text-muted);}
.dpc-readout{margin-top:0;padding:1rem 1.05rem;border-radius:14px;background:var(--surface);border:1px solid var(--border);box-shadow:0 1px 3px rgba(15,23,42,0.06);}
.dpc-scalar-label{font-size:0.75rem;font-weight:800;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-muted);margin:0 0 0.25rem;}
.dpc-scalar-value{font-size:clamp(1.75rem,6vw,2.75rem);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-0.03em;line-height:1.1;margin:0;color:var(--text-main);}
.dpc-chips{display:flex;flex-wrap:wrap;gap:0.4rem;margin-top:0.75rem;}
.dpc-chip{font-size:0.75rem;padding:0.35rem 0.6rem;border-radius:8px;background:var(--surface);border:1px solid var(--border);color:var(--text-muted);font-weight:600;}
.dpc-chip strong{color:var(--text-main);font-weight:700;}
.dpc-meta{margin-top:0.85rem;font-size:0.8125rem;color:var(--text-muted);line-height:1.5;}
.dpc-details-wrap{margin-top:0.25rem;display:grid;gap:0.5rem;}
.dpc-details{border:1px solid var(--border);border-radius:12px;background:var(--surface-muted);overflow:hidden;}
.dpc-details summary{cursor:pointer;padding:0.75rem 1rem;font-weight:700;font-size:0.8125rem;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:0.5rem;}
.dpc-details summary::-webkit-details-marker{display:none;}
.dpc-details summary::after{content:"+";font-weight:300;font-size:1.1rem;color:var(--text-muted);}
.dpc-details[open] summary::after{content:"−";}
.dpc-details-body{padding:0 1rem 1rem;font-size:0.8125rem;color:var(--text-muted);line-height:1.55;}
.dpc-details-body dl{margin:0;display:grid;gap:0.35rem;}
.dpc-details-body dt{font-weight:700;color:var(--text-main);}
.dpc-details-body dd{margin:0;}
.dpc-steps-terms{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:0.75rem;background:var(--surface);padding:0.65rem;border-radius:8px;border:1px solid var(--border);overflow-x:auto;white-space:pre-wrap;word-break:break-all;}
.dpc-viz{margin-top:0.25rem;border-radius:14px;background:var(--dpc-well);border:1px solid var(--dpc-well-border);padding:0.75rem;}
.dpc-viz-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0.65rem;margin-bottom:0.5rem;}
.dpc-viz-head span{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted);}
.dpc-viz-toggle{display:flex;align-items:center;gap:0.4rem;font-size:0.75rem;color:var(--text-muted);cursor:pointer;}
.dpc-viz-toggle input{width:15px;height:15px;accent-color:var(--dpc-accent);}
.dpc-canvas-wrap{width:100%;border-radius:12px;overflow:hidden;background:var(--surface);border:1px solid var(--border);}
.dpc-canvas{display:block;width:100%;height:auto;min-height:180px;}
.dpc-viz-note{font-size:0.7rem;color:var(--text-muted);margin:0.5rem 0 0;}
.dpc-toast{position:fixed;bottom:1.25rem;left:50%;transform:translateX(-50%) translateY(120%);padding:0.55rem 1rem;border-radius:999px;background:var(--text-main);color:var(--surface);font-size:0.8125rem;font-weight:600;opacity:0;pointer-events:none;transition:transform 0.25s,opacity 0.25s;z-index:1080;}
.dpc-toast.dpc-toast-on{transform:translateX(-50%) translateY(0);opacity:1;}
.dpc-prose{margin-top:2.5rem;}
.dpc-prose h2{font-size:1.35rem;margin:2rem 0 0.75rem;font-weight:800;letter-spacing:-0.02em;line-height:1.25;color:var(--text-main);}
.dpc-prose h2:first-child{margin-top:0;}
.dpc-prose p{font-size:0.9375rem;line-height:1.65;color:var(--text-muted);margin:0 0 1rem;}
.dpc-prose .dpc-callout{border-left:4px solid var(--dpc-accent);padding:0.75rem 1rem;background:var(--surface-muted);border-radius:0 10px 10px 0;margin:1.25rem 0;font-size:0.875rem;color:var(--text-main);}
.dpc-prose table{width:100%;border-collapse:collapse;font-size:0.8125rem;margin:1rem 0;}
.dpc-prose th,.dpc-prose td{border:1px solid var(--border);padding:0.55rem 0.65rem;text-align:left;}
.dpc-prose th{background:var(--surface-muted);font-weight:700;}
.dpc-prose ul{margin:0 0 1rem;padding-left:1.2rem;color:var(--text-muted);font-size:0.9375rem;line-height:1.6;}
.dpc-prose li{margin-bottom:0.35rem;}