.tool-body{grid-template-columns:1fr 1fr;align-items:start;gap:24px;display:grid}.tool-input,.tool-select{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--heading);font-size:15px;font-family:var(--font-sans);outline:none;padding:10px 14px;transition:border-color .15s}.tool-input:focus,.tool-select:focus{border-color:var(--primary)}.tool-input::placeholder{color:var(--muted)}.tool-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%2371717A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:36px}.tool-field{flex-direction:column;gap:6px;display:flex}.tool-field label{color:var(--body);font-size:14px;font-weight:500}.tool-slider-group{margin-bottom:20px}.tool-slider-label{color:var(--body);justify-content:space-between;align-items:center;margin-bottom:10px;font-size:15px;display:flex}.tool-slider-value{font-family:var(--font-mono);color:var(--primary);font-weight:600}.tool-slider-value input{background:var(--bg);border:1px solid var(--border);width:72px;color:var(--primary);font-family:var(--font-mono);text-align:right;border-radius:6px;outline:none;padding:4px 8px;font-size:14px;font-weight:600;transition:border-color .15s}.tool-slider-value input:focus{border-color:var(--primary)}.tool-slider{appearance:none;background:var(--border);cursor:pointer;border-radius:3px;outline:none;width:100%;height:6px}.tool-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);width:28px;height:28px;box-shadow:0 0 12px var(--primary-dim);cursor:pointer;border-radius:50%}.tool-slider::-moz-range-thumb{background:var(--primary);width:28px;height:28px;box-shadow:0 0 12px var(--primary-dim);cursor:pointer;border:none;border-radius:50%}.tool-preset{border:1px solid var(--border);color:var(--body);font-size:14px;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;padding:6px 16px;font-weight:500;transition:background .15s,color .15s,border-color .15s;display:inline-block}.tool-preset:hover{border-color:var(--primary)}.tool-preset.active{background:var(--primary);color:#000;border-color:var(--primary)}.tool-results{gap:0;display:grid}.tool-result-row{border-bottom:1px solid #ffffff0a;justify-content:space-between;gap:16px;padding:10px 0;font-size:15px;display:flex}.tool-result-row:last-child{border-bottom:none}.tool-result-label{color:var(--muted);flex-shrink:0}.tool-result-value{font-family:var(--font-mono);color:var(--primary);text-align:right;font-weight:600}.tool-result-row--total{border-top:1px solid #ffffff1f;border-bottom:none;margin-top:4px;padding-top:14px;font-size:16px;font-weight:600}.tool-result-row--total .tool-result-label{color:var(--heading)}.tool-result-row--total .tool-result-value{font-size:18px}.tool-nec-cite{color:var(--body);font-size:13px;font-style:italic}.tool-badge{font-size:12px;font-weight:600;font-family:var(--font-mono);letter-spacing:.04em;border-radius:999px;padding:2px 10px;display:inline-block}.tool-badge--pass{color:var(--primary);background:#10b98126}.tool-badge--fail{color:var(--red);background:#ef444426}.tool-badge--warn{color:var(--amber);background:#f59e0b26}.tool-progress{background:#ffffff0f;border-radius:999px;width:100%;height:8px;overflow:hidden}.tool-progress-fill{border-radius:999px;height:100%;transition:width .3s}.tool-progress-fill--green{background:var(--primary)}.tool-progress-fill--amber{background:var(--amber)}.tool-progress-fill--red{background:var(--red)}.tool-math{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.tool-math summary{cursor:pointer;color:var(--heading);font-size:15px;font-weight:600;list-style:none}.tool-math summary::-webkit-details-marker{display:none}.tool-math[open] summary{margin-bottom:12px}.tool-math p,.tool-math code{color:var(--body);font-size:14px;line-height:1.7}.tool-math code{font-family:var(--font-mono);background:#ffffff0a;border-radius:4px;padding:2px 6px}.tool-diagram{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);justify-content:center;align-items:center;width:100%;padding:16px;display:flex}.tool-diagram svg{max-width:100%;height:auto}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;display:grid}.tool-grid-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;gap:8px;padding:24px;text-decoration:none;transition:border-color .15s,transform .15s;display:flex}.tool-grid-card:hover{border-color:var(--primary);transform:translateY(-2px)}.tool-grid-card h3{color:var(--heading);font-size:17px}.tool-grid-card p{color:var(--muted);font-size:14px;line-height:1.6}.tool-mobile-summary{display:none}.tool-bend-tabs{scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;gap:8px;padding-bottom:4px;display:flex;overflow-x:auto}.tool-bend-tabs::-webkit-scrollbar{display:none}.tool-bend-tabs .tool-preset{scroll-snap-align:start;flex-shrink:0}.tool-share-group{gap:8px;margin-top:16px;display:flex}.tool-share-btn{border:1px solid var(--border);border-radius:var(--radius);color:var(--body);font-size:14px;font-family:var(--font-sans);cursor:pointer;background:0 0;flex:1;padding:10px 16px;font-weight:500;transition:border-color .15s,color .15s,background .15s}.tool-share-btn:hover{border-color:var(--primary);color:var(--primary)}.tool-share-btn--done{border-color:var(--primary);color:var(--primary);background:#10b98114}.tool-quick-answer{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius-lg);color:var(--body);padding:24px;font-size:15px;line-height:1.7}.tool-quick-answer strong{color:var(--heading)}.tool-stacked-bar{border-radius:var(--radius);height:32px;font-size:12px;font-weight:600;display:flex;overflow:hidden}.tool-stacked-bar__segment{justify-content:center;align-items:center;min-width:40px;transition:width .3s;display:flex}.tool-stacked-bar__segment--cost{color:var(--muted);background:#ffffff0f}.tool-stacked-bar__segment--profit{color:var(--primary);background:#10b98126}.tool-steps{gap:20px;display:grid}.tool-step{border-bottom:1px solid #ffffff0a;gap:16px;padding-bottom:20px;display:flex}.tool-step:last-child{border-bottom:none;padding-bottom:0}.tool-step-number{width:28px;height:28px;color:var(--primary);font-size:13px;font-weight:700;font-family:var(--font-mono);background:#10b9811f;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.tool-dynamic-list{gap:12px;display:grid}.tool-dynamic-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.tool-range-band{border-radius:6px;height:12px;margin:12px 0 24px;display:flex;position:relative;overflow:visible}.tool-range-band__zone{height:100%;position:relative}.tool-range-band__zone--low{background:#f59e0b33;border-radius:6px 0 0 6px}.tool-range-band__zone--target{background:#10b98133}.tool-range-band__zone--high{background:#ef444426;border-radius:0 6px 6px 0}.tool-range-band__label{color:var(--muted);font-size:11px;font-family:var(--font-mono);position:absolute;bottom:-18px;transform:translate(-50%)}.tool-range-band__zone--low .tool-range-band__label{right:0;transform:translate(50%)}.tool-range-band__marker{border:2px solid var(--bg);z-index:1;border-radius:50%;width:20px;height:20px;position:absolute;top:-4px;transform:translate(-50%)}.tool-range-band__marker-label{font-size:12px;font-weight:700;font-family:var(--font-mono);color:var(--heading);white-space:nowrap;position:absolute;bottom:-20px;left:50%;transform:translate(-50%)}@media print{.site-header,.site-footer,.tool-slider-group,.tool-preset,.tool-mobile-summary,.tool-share-group,.tool-stacked-bar,.tool-range-band,.btn{display:none!important}body{color:#111;background:#fff}.tool-body{display:block}.tool-result-row{border-bottom-color:#ddd}.tool-result-value,.tool-badge{color:#111}.surface-card,.tool-math,.tool-diagram,.tool-quick-answer{background:#fff;border-color:#ddd}}@media (max-width:768px){.tool-body,.tool-grid{grid-template-columns:1fr}.tool-mobile-summary{z-index:40;background:var(--surface);border-top:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);justify-content:space-between;align-items:center;padding:12px 16px;font-size:14px;display:flex;position:sticky;bottom:0;left:0;right:0}.tool-mobile-summary .tool-result-label{color:var(--body);font-weight:600}}