.bchl{border:1px solid var(--border-strong);border-radius:16px;background:var(--surface-2);padding:22px;margin:28px 0;max-width:820px}.bchl-row{margin-bottom:18px}.bchl-lbl{font:700 11px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--depth-2);margin-bottom:8px}.bchl-hint{color:var(--muted-2);font-weight:500;letter-spacing:.02em;text-transform:none}.bchl-in{width:100%;font:500 14px/1.5 var(--sans);color:var(--text);background:#070d1680;border:1px solid var(--border);border-radius:10px;padding:11px 13px;resize:vertical;min-height:42px}.bchl-in:focus{outline:none;border-color:var(--depth-2)}.bchl-hlabel{font:600 9.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin:9px 0 5px 2px}.bchl-hash{font:500 13px/1.7 var(--mono);color:var(--cyan);word-break:break-all;letter-spacing:.5px}.bchl-hash .diff{color:var(--coral);background:#ff6b6b24;border-radius:3px}.bchl-meter{display:flex;align-items:center;gap:14px;margin:4px 0 2px}.bchl-bar{flex:1;height:8px;border-radius:6px;background:#78a5cd1f;overflow:hidden}.bchl-fill{height:100%;width:0;border-radius:6px;background:linear-gradient(90deg,var(--amber),var(--coral));transition:width .12s ease}.bchl-count{font:600 12.5px/1 var(--mono);color:var(--muted);white-space:nowrap}.bchl-count b{color:var(--coral)}.bchl-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.bchl-foot #bchl-verdict{font:500 13px/1.5 var(--sans);color:var(--muted)}.bchl-foot #bchl-verdict b{color:var(--text)}.bchl-reset{font:600 11.5px/1 var(--mono);color:var(--muted);background:transparent;border:1px solid var(--border-strong);border-radius:8px;padding:8px 12px;cursor:pointer;white-space:nowrap}.bchl-reset:hover{border-color:var(--depth-2);color:var(--text)}[data-theme=paper] .bchl-in{background:#785f370d;color:#1f1810}[data-theme=paper] .bchl-hash{color:var(--cyan-dim)}[data-theme=paper] .bchl-foot #bchl-verdict b{color:#1f1810}.bctl{border:1px solid var(--border-strong);border-radius:16px;background:var(--surface-2);padding:22px;margin:28px 0;max-width:900px}.bctl-chain{display:flex;align-items:stretch;gap:6px}.bctl-arrow{align-self:center;color:var(--faint);font-size:20px;flex:none}.bcblock{flex:1;min-width:0;border:1.5px solid var(--border-strong);border-radius:13px;background:#070d1680;padding:13px 13px 14px;transition:border-color .15s,background .15s;border-left:3px solid var(--violet)}.bcblock-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}.bcblock-n{font:700 12.5px/1 var(--mono);color:var(--violet);letter-spacing:.03em}.bcblock-badge{font:700 9px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--coral);background:#ff6b6b1f;border:1px solid rgba(255,107,107,.35);border-radius:5px;padding:3px 6px;display:none}.bcblock-flabel{font:600 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:5px}.bcblock-tx{width:100%;font:500 12.5px/1.4 var(--sans);color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 9px;margin-bottom:11px}.bcblock-tx:focus{outline:none;border-color:var(--violet)}.bcblock-field{display:flex;gap:7px;align-items:baseline;margin-top:4px}.bcblock-field .bck{font:600 9.5px/1.5 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--faint);flex:none;width:30px}.bcblock-field .bcv{font:500 11.5px/1.5 var(--mono);color:var(--muted);word-break:break-all}.bcblock-field .bchash{color:var(--green)}.bcblock.broken{border-color:#ff6b6b8c;border-left-color:var(--coral);background:#ff6b6b0d}.bcblock.broken .bcblock-n{color:var(--coral)}.bcblock.broken .bcblock-badge{display:inline-block}.bcblock.linkbad .bcblock-field .bcv[data-prev]{color:var(--coral);text-decoration:line-through}.bcblock.edited .bcblock-n:after{content:" • edited";color:var(--amber);font-size:10px}.bctl-actions{margin-top:16px;min-height:0}.bctl-rechain{font:600 12.5px/1 var(--sans);color:#04201e;background:var(--violet);border:1px solid var(--violet);border-radius:9px;padding:10px 15px;cursor:pointer;color:#fff}.bctl-rechain:hover{box-shadow:0 0 18px #a78bfa66}.bctl-caption{margin-top:14px;font:500 13px/1.6 var(--sans);color:var(--muted);border-left:2px solid var(--violet);padding-left:13px;display:none}.bctl-caption.show{display:block}.bctl-caption b{color:var(--text)}@media(max-width:720px){.bctl-chain{flex-direction:column}.bctl-arrow{transform:rotate(90deg);align-self:center}}[data-theme=paper] .bcblock{background:#785f370d}[data-theme=paper] .bcblock-tx{background:#fffaf0;color:#1f1810}[data-theme=paper] .bcblock-field .bchash{color:#1f7a54}[data-theme=paper] .bcblock.broken{background:#ff6b6b12}[data-theme=paper] .bctl-caption b{color:#1f1810}