.bmc-developer{--surface:#ffffff;--surface-muted:#f8fafc;--border:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--primary:#0f766e;--primary-dark:#0d5c56;--success:#059669;--danger:#dc2626;}
.sha512-root{--sha512-radius:12px;--sha512-gap:1rem;--sha512-well:#0f172a;}
.sha512-root .sha512-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--sha512-radius);box-shadow:0 1px 3px rgba(0,0,0,0.06);overflow:hidden;}
.sha512-modes{display:grid;grid-template-columns:repeat(2, 1fr);gap:0.5rem;padding:var(--sha512-gap);background:var(--surface-muted);border-bottom:1px solid var(--border);}
@media (min-width: 480px){.sha512-modes{grid-template-columns:repeat(4, 1fr);}}
.sha512-mode-btn{display:flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 1rem;border:none;border-radius:8px;font-weight:500;font-size:0.875rem;cursor:pointer;background:transparent;color:var(--text-muted);transition:color 0.2s, background 0.2s;}
.sha512-mode-btn:hover{color:var(--text-main);background:rgba(0,0,0,0.04);}
.sha512-mode-btn.is-active{background:var(--surface);color:var(--primary);box-shadow:0 1px 2px rgba(0,0,0,0.06);}
.sha512-panel{padding:var(--sha512-gap);}
.sha512-pane{display:none;}
.sha512-pane.is-visible{display:block;}
.sha512-field{margin-bottom:1rem;}
.sha512-field:last-of-type{margin-bottom:0;}
.sha512-label{display:block;font-size:0.875rem;font-weight:500;color:var(--text-main);margin-bottom:0.375rem;}
.sha512-input,.sha512-textarea{width:100%;padding:0.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:0.9375rem;background:var(--surface);color:var(--text-main);transition:border-color 0.2s;}
.sha512-input:focus,.sha512-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,0.15);}
.sha512-textarea{min-height:120px;resize:vertical;font-family:ui-monospace, monospace;}
.sha512-textarea.sha512-textarea-sm{min-height:88px;}
.sha512-opts{display:flex;flex-wrap:wrap;gap:1rem;margin:1rem 0;}
.sha512-opt-row{display:flex;align-items:center;gap:0.5rem;}
.sha512-opt-row input[type="checkbox"]{width:1.125rem;height:1.125rem;accent-color:var(--primary);}
.sha512-opt-row label{font-size:0.875rem;color:var(--text-main);cursor:pointer;}
.sha512-encoding{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem;margin-bottom:1rem;}
.sha512-encoding span{font-size:0.8125rem;color:var(--text-muted);margin-right:0.25rem;}
.sha512-enc-btn{padding:0.375rem 0.75rem;border:1px solid var(--border);border-radius:6px;background:var(--surface);font-size:0.8125rem;cursor:pointer;color:var(--text-main);transition:border-color 0.2s, background 0.2s;}
.sha512-enc-btn:hover{border-color:var(--primary);background:rgba(15,118,110,0.06);}
.sha512-enc-btn.is-active{background:var(--primary);color:#fff;border-color:var(--primary);}
.sha512-actions{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1rem;}
.sha512-btn{padding:0.625rem 1.25rem;border:none;border-radius:8px;font-weight:500;font-size:0.875rem;cursor:pointer;transition:background 0.2s, color 0.2s;}
.sha512-btn-primary{background:var(--primary);color:#fff;}
.sha512-btn-primary:hover{background:var(--primary-dark);}
.sha512-btn-secondary{background:var(--surface-muted);color:var(--text-main);border:1px solid var(--border);}
.sha512-btn-secondary:hover{background:var(--border);}
.sha512-btn-success{background:var(--success);color:#fff;}
.sha512-btn-success:hover{filter:brightness(1.1);}
.sha512-btn-warn{background:#d97706;color:#fff;}
.sha512-btn-warn:hover{filter:brightness(1.1);}
.sha512-output-wrap{margin-top:1rem;border-top:1px solid var(--border);padding-top:1rem;}
.sha512-output-label{font-size:0.8125rem;font-weight:500;color:var(--text-muted);margin-bottom:0.5rem;text-transform:uppercase;letter-spacing:0.04em;}
.sha512-output-well{background:var(--sha512-well);color:#e2e8f0;padding:1rem;border-radius:8px;font-family:ui-monospace, monospace;font-size:0.8125rem;line-height:1.5;word-break:break-all;min-height:4rem;}
.sha512-verify-msg{padding:1rem;border-radius:8px;margin-top:0.75rem;font-weight:500;}
.sha512-verify-msg.is-ok{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0;}
.sha512-verify-msg.is-fail{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;}
.sha512-stats{display:grid;grid-template-columns:repeat(2, 1fr);gap:0.5rem;margin-top:0.75rem;}
@media (min-width: 360px){.sha512-stats{grid-template-columns:repeat(4, 1fr);}}
.sha512-stat{background:var(--surface-muted);border-radius:6px;padding:0.5rem;text-align:center;}
.sha512-stat-val{font-size:1rem;font-weight:600;color:var(--primary);font-variant-numeric:tabular-nums;}
.sha512-stat-lbl{font-size:0.6875rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.03em;}
.sha512-file-trigger{display:inline-flex;align-items:center;gap:0.5rem;padding:0.625rem 1.25rem;border:2px dashed var(--border);border-radius:8px;background:var(--surface-muted);font-size:0.875rem;cursor:pointer;color:var(--text-main);transition:border-color 0.2s, background 0.2s;}
.sha512-file-trigger:hover{border-color:var(--primary);background:rgba(15,118,110,0.06);}
.sha512-file-input{position:absolute;width:0.1px;height:0.1px;opacity:0;overflow:hidden;z-index:-1;}