.cb-header h1{font-size:clamp(1.75rem,4vw,2.25rem);font-weight:800;letter-spacing:-.02em;color:var(--color-text);margin:0}.cb-intro{font-size:1rem;color:var(--color-muted);line-height:1.7;max-width:680px;margin-top:.625rem}.cb-app{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.25rem 1.375rem}.cb-toolbar{display:flex;flex-wrap:wrap;gap:.875rem 1.25rem;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid var(--color-border)}.cb-tool-group{display:flex;flex-wrap:wrap;gap:.375rem;align-items:center}.cb-gate-btn{padding:.4rem .75rem;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);border-radius:var(--radius);font-family:Fira Code,monospace;font-size:.875rem;font-weight:700;min-width:38px;cursor:pointer;transition:all .1s}.cb-gate-btn:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.cb-gate-btn.cb-gate-cnot{min-width:auto;padding:.4rem .75rem}.cb-target{padding:.4rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);color:var(--color-text);font-size:.8125rem;font-family:inherit}.cb-action-btn,.cb-preset-btn{padding:.4rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);color:var(--color-muted);font-size:.8125rem;font-weight:600;cursor:pointer;transition:all .1s}.cb-action-btn:hover,.cb-preset-btn:hover{background:var(--color-bg-alt);color:var(--color-text);border-color:var(--color-primary)}.cb-preset-btn{font-family:Fira Code,monospace}.cb-circuit{margin-bottom:1.25rem;overflow-x:auto}.cb-grid{display:grid;align-items:center;row-gap:1.25rem;column-gap:.5rem;padding:1rem .75rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:360px;position:relative}.cb-wire-label{font-family:Fira Code,monospace;font-size:.8125rem;font-weight:700;color:var(--color-text);text-align:right;padding-right:.5rem}.cb-slot{height:48px;display:flex;align-items:center;justify-content:center;position:relative}.cb-slot:before{content:"";position:absolute;left:0;right:0;top:50%;height:1.5px;background:var(--color-border-2, #94a3b8)}.cb-gate-badge{position:relative;z-index:2;width:38px;height:38px;border-radius:0;background:var(--color-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:Fira Code,monospace;font-weight:700;font-size:.95rem;box-shadow:0 2px 8px #00000026}.cb-ctrl-dot{position:relative;z-index:2;width:14px;height:14px;border-radius:50%;background:var(--color-text)}.cb-tgt-x{position:relative;z-index:2;width:30px;height:30px;border-radius:50%;border:2px solid var(--color-text);background:var(--color-bg);color:var(--color-text);font-size:1rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.cb-slot-q0 .cb-ctrl-dot:after,.cb-slot-q0 .cb-tgt-x:after{content:"";position:absolute;left:50%;top:100%;width:1.5px;height:36px;background:var(--color-text);transform:translate(-50%)}.cb-results{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}@media (max-width: 720px){.cb-results{grid-template-columns:1fr}}.cb-results-col{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1rem 1.125rem}.cb-results-heading{font-size:.875rem;font-weight:700;color:var(--color-text);text-transform:uppercase;letter-spacing:.06em;margin:0 0 .75rem}.cb-state-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.4rem}.cb-state-row{display:flex;justify-content:space-between;gap:.75rem;font-family:Fira Code,monospace;font-size:.8125rem;padding:.35rem .5rem;background:var(--color-bg-alt);border-radius:0}.cb-state-label{color:var(--color-muted)}.cb-state-amp{color:var(--color-text);font-weight:600}.cb-prob-bars{display:flex;flex-direction:column;gap:.5rem}.cb-prob-row{display:grid;grid-template-columns:50px 1fr 50px;gap:.5rem;align-items:center}.cb-prob-label{font-family:Fira Code,monospace;font-size:.8125rem;color:var(--color-muted)}.cb-prob-bar{height:12px;background:var(--color-bg-alt);border-radius:0;overflow:hidden}.cb-prob-fill{height:100%;background:linear-gradient(90deg,var(--color-primary) 0%,color-mix(in srgb,var(--color-primary) 70%,white) 100%);transition:width .2s ease}.cb-prob-pct{font-family:Fira Code,monospace;font-size:.75rem;color:var(--color-text-2);text-align:right}.cb-helper{font-size:.75rem;color:var(--color-muted-2);line-height:1.5;margin:.625rem 0 0}.cb-helper code{background:var(--color-bg-alt);padding:.05em .3em;border-radius:0;font-size:.95em}.cb-qasm-details{margin-top:1.25rem}.cb-qasm-details summary{font-size:.875rem;font-weight:600;color:var(--color-muted);cursor:pointer;padding:.5rem 0}.cb-qasm{font-family:Fira Code,monospace;font-size:.78rem;background:#0d1117;color:#e6edf3;padding:1rem 1.125rem;border-radius:var(--radius);margin-top:.5rem;overflow-x:auto;line-height:1.6}.cb-explainer h2{font-size:1.25rem;font-weight:700;color:var(--color-text);letter-spacing:-.01em;margin-bottom:.75rem}.cb-explainer p{font-size:.9375rem;color:var(--color-muted);line-height:1.75;margin-bottom:1rem}.cb-explainer p code{background:var(--color-bg-alt);padding:.1em .4em;border-radius:0;font-size:.875em;color:var(--color-primary);font-family:Fira Code,monospace}.cb-explainer p a{color:var(--color-primary);font-weight:600}