#fcTool{display:flex;flex-direction:column;gap:16px}#fcTool .fc-privacy{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--color-primary-light);border:1px solid var(--color-primary);border-radius:var(--radius-sm);font-size:13px;color:var(--color-text)}#fcTool .fc-privacy-icon{font-size:15px}#fcTool .fc-mode-help{font-size:13px;color:var(--color-text-secondary);margin:0;line-height:1.5}#fcTool .option-tabs button{flex:1;min-height:40px;font-family:var(--font-mono)}#fcTool .fc-panel{display:flex;flex-direction:column;gap:12px}#fcTool .fc-panel.hidden{display:none}#fcTool .fc-preset-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:var(--color-text-secondary)}#fcTool .fc-preset-label{margin-right:4px}#fcTool .fc-preset-row button{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer;font-family:var(--font-mono);min-height:32px}#fcTool .fc-preset-row button:hover{border-color:var(--color-primary)}#fcTool .fc-keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:8px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}#fcTool .fc-keypad button{min-height:44px;font-family:var(--font-mono);font-size:15px;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);border-radius:var(--radius-sm);cursor:pointer}#fcTool .fc-keypad button:active{background:var(--color-primary-light)}#fcTool .fc-two-box{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center}#fcTool .fc-fracbox{display:flex;align-items:center;gap:6px;padding:10px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}#fcTool .fc-fracbox input[type=text]{width:56px;text-align:center;font-family:var(--font-mono);font-size:16px;padding:6px}#fcTool .fc-frac{display:flex;flex-direction:column;align-items:stretch;gap:2px}#fcTool .fc-frac-line{display:block;height:2px;background:var(--color-text);margin:2px 0}#fcTool #fcOp{font-family:var(--font-mono);font-size:18px;padding:8px 12px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);border-radius:var(--radius-sm);min-height:44px;cursor:pointer}#fcTool .fc-tip{font-size:12px;color:var(--color-text-secondary);margin:0}#fcTool .fc-error{padding:10px 12px;background:color-mix(in srgb,var(--color-danger, #dc2626) 10%,var(--color-surface));border:1px solid var(--color-danger, #dc2626);border-radius:var(--radius-sm);color:var(--color-danger, #dc2626);font-size:13px}#fcTool .fc-controls{display:flex;gap:8px}#fcTool .fc-controls .btn{min-height:40px}#fcTool .fc-result-hero{padding:16px;background:var(--color-primary-light);border:1px solid var(--color-primary);border-radius:var(--radius-sm);text-align:center}#fcTool .fc-hero-label{font-size:12px;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}#fcTool .fc-hero-frac{font-family:var(--font-mono);font-size:26px;line-height:1.2;color:var(--color-text);font-weight:600;word-break:break-all}#fcTool .fc-big-frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;line-height:1}#fcTool .fc-big-frac>span{padding:0 4px}#fcTool .fc-big-frac .fc-big-num{border-bottom:2px solid currentColor}#fcTool .fc-big-mixed-whole{font-size:26px;margin-right:6px}#fcTool .fc-result-rows{margin-top:12px;display:flex;flex-direction:column;gap:6px}#fcTool .fc-result-row{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}#fcTool .fc-row-label{font-size:12px;color:var(--color-text-secondary);min-width:92px;flex-shrink:0}#fcTool .fc-row-value{flex:1;font-family:var(--font-mono);font-size:14px;color:var(--color-text);word-break:break-all}#fcTool .fc-row-copy{min-width:36px;min-height:36px;border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text);border-radius:var(--radius-sm);cursor:pointer;font-size:14px}#fcTool .fc-steps,#fcTool .fc-visuals{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:10px 12px;background:var(--color-surface)}#fcTool .fc-steps summary,#fcTool .fc-visuals summary{cursor:pointer;font-weight:600;font-size:13px}#fcTool .fc-steps-body{margin-top:10px;font-family:var(--font-mono);font-size:13px;line-height:1.7;color:var(--color-text);white-space:pre-wrap;word-break:break-word}#fcTool .fc-pie-wrap,#fcTool .fc-numline-wrap{margin-top:10px;display:flex;justify-content:center;overflow-x:auto}#fcTool .fc-pie-wrap svg,#fcTool .fc-numline-wrap svg{max-width:100%;height:auto}#fcTool .fc-faq{margin-top:8px}#fcTool .fc-faq h3{font-size:15px;margin:4px 0 8px}#fcTool .fc-faq details{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px 12px;margin-bottom:6px;background:var(--color-surface)}#fcTool .fc-faq summary{cursor:pointer;font-size:13px;font-weight:600}#fcTool .fc-faq p{margin:8px 0 0;font-size:13px;line-height:1.6;color:var(--color-text-secondary)}#fcTool #fcCompareInput{width:100%;min-height:72px;font-family:var(--font-mono);padding:8px}@media(max-width:480px){#fcTool .fc-fracbox input[type=text]{width:48px;font-size:15px}#fcTool .fc-hero-frac,#fcTool .fc-big-mixed-whole{font-size:22px}#fcTool .fc-row-label{min-width:80px;font-size:11px}#fcTool .fc-keypad button{font-size:14px;min-height:44px}#fcTool .option-tabs button{font-size:12px}}@media(max-width:360px){#fcTool .fc-fracbox{padding:6px}#fcTool .fc-fracbox input[type=text]{width:40px}}