.rfg-tool{--rfg-radius:12px;--rfg-radius-sm:8px;--rfg-border:1px solid rgba(0,0,0,0.08);--rfg-shadow:0 2px 12px rgba(0,0,0,0.06);--rfg-bg:var(--bs-body-bg,#fff);--rfg-bg-subtle:#f1f5f9;--rfg-text:#0f172a;--rfg-muted:#64748b;--rfg-accent:#0ea5e9;--rfg-accent-hover:#0284c7;--rfg-focus:0 0 0 3px rgba(14,165,233,0.25);margin-bottom:2rem;}
.rfg-card{width:100%;background:var(--rfg-bg);border:var(--rfg-border);border-radius:var(--rfg-radius);box-shadow:var(--rfg-shadow);overflow:hidden;}
.rfg-panel{padding:1.25rem;}
.rfg-panel-options{display:flex;flex-direction:column;gap:1.25rem;}
.rfg-panel-result{background:var(--rfg-bg-subtle);}
.rfg-settings{display:flex;flex-direction:column;gap:1.25rem;}
.rfg-block{background:var(--rfg-bg);border:var(--rfg-border);border-radius:var(--rfg-radius-sm);box-shadow:0 1px 3px rgba(0,0,0,0.04);padding:1.25rem;}
.rfg-block-title{font-size:1rem;font-weight:600;color:var(--rfg-text);margin:0 0 1rem 0;letter-spacing:-0.01em;}
.rfg-fields{display:flex;flex-direction:column;gap:1rem;}
.rfg-field{display:flex;flex-direction:column;gap:0.35rem;}
.rfg-label{font-size:0.875rem;font-weight:500;color:var(--rfg-text);}
.rfg-input,.rfg-select{width:100%;padding:0.6rem 0.75rem;font-size:1rem;line-height:1.4;color:var(--rfg-text);background:var(--rfg-bg);border:var(--rfg-border);border-radius:var(--rfg-radius-sm);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 0.75rem center;padding-right:2.25rem;}
.rfg-input:focus,.rfg-select:focus{outline:none;border-color:var(--rfg-accent);box-shadow:var(--rfg-focus);}
.rfg-input::placeholder{color:var(--rfg-muted);}
.rfg-size-row{display:flex;gap:0.5rem;}
.rfg-size-row .rfg-input{flex:1;min-width:0;}
.rfg-unit{flex:0 0 auto;width:5rem;}
.rfg-hint{font-size:0.75rem;color:var(--rfg-muted);}
.rfg-check-wrap{margin-top:0.25rem;}
.rfg-check-label{display:inline-flex;align-items:center;gap:0.5rem;font-size:0.9375rem;color:var(--rfg-text);cursor:pointer;}
.rfg-checkbox{width:1.125rem;height:1.125rem;accent-color:var(--rfg-accent);}
.rfg-actions{margin-top:0.25rem;}
.rfg-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 1.5rem;font-size:1rem;font-weight:600;line-height:1.3;border:none;border-radius:var(--rfg-radius-sm);cursor:pointer;transition:background-color 0.2s,transform 0.15s,box-shadow 0.2s;}
.rfg-btn:focus-visible{outline:none;box-shadow:var(--rfg-focus);}
.rfg-btn-generate{width:100%;background:var(--rfg-accent);color:#fff;}
.rfg-btn-generate:hover{background:var(--rfg-accent-hover);transform:translateY(-1px);box-shadow:0 4px 14px rgba(14,165,233,0.35);}
.rfg-btn-icon{width:1.125rem;height:1.125rem;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='12' y1='18' x2='12' y2='12'/%3E%3Cline x1='9' y1='15' x2='15' y2='15'/%3E%3C/svg%3E") center/contain no-repeat;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='12' y1='18' x2='12' y2='12'/%3E%3Cline x1='9' y1='15' x2='15' y2='15'/%3E%3C/svg%3E") center/contain no-repeat;}
.rfg-output{display:flex;flex-direction:column;gap:1rem;}
.rfg-preview-wrap{display:flex;flex-direction:column;gap:0.75rem;}
.rfg-preview-wrap .rfg-block-title{margin-bottom:0;}
.rfg-preview{min-height:160px;padding:1rem;font-size:0.8125rem;line-height:1.5;color:var(--rfg-text);background:var(--rfg-bg-subtle);border:var(--rfg-border);border-radius:var(--rfg-radius-sm);overflow-x:auto;white-space:pre-wrap;word-break:break-all;}
.rfg-stats{display:flex;flex-wrap:wrap;gap:1rem;font-size:0.875rem;color:var(--rfg-muted);}
.rfg-stat{display:inline-flex;align-items:center;}
.rfg-download-actions{display:flex;flex-wrap:wrap;gap:0.75rem;}
.rfg-btn-download{background:var(--rfg-accent);color:#fff;}
.rfg-btn-download:hover{background:var(--rfg-accent-hover);}
.rfg-btn-secondary{background:var(--rfg-bg-subtle);color:var(--rfg-text);border:var(--rfg-border);}
.rfg-btn-secondary:hover{background:#e2e8f0;}
@media (min-width:768px){.rfg-card{display:grid;grid-template-columns:1fr 1fr;}
.rfg-panel-options{min-width:0;}
.rfg-panel-result{min-width:0;border-left:var(--rfg-border);}
.rfg-btn-generate{width:100%;min-width:0;}
.rfg-output{min-height:200px;}}