:root{--lm-tool:#e11d48;--lm-tool-dark:#be123c;--lm-gradient:linear-gradient(135deg,#e11d48 0%,#f43f5e 100%);--lm-light:#ffe4e6}[data-theme="dark"]{--lm-light:rgba(225,29,72,0.15)}@media (min-width:1025px){.lm-layout.tool-page-container{grid-template-columns:minmax(210px,268px) minmax(0,1fr) minmax(228px,280px);gap:1rem;padding:1rem 1.25rem}}@media (min-width:901px) and (max-width:1024px){.lm-layout.tool-page-container{grid-template-columns:minmax(200px,252px) minmax(0,1fr);gap:1rem;padding:1rem 1.25rem}}@media (max-width:900px){.lm-layout.tool-page-container{grid-template-columns:1fr}}@media (min-width:901px){.lm-layout .tool-input-column{top:80px;max-height:calc(100vh - 96px)}}.lm-mode-toggle{display:flex;border:1.5px solid var(--border);border-radius:0.5rem;overflow:hidden;margin-bottom:0.75rem}.lm-mode-btn{flex:1;padding:0.5rem 0.25rem;font-weight:600;font-size:0.65rem;border:none;cursor:pointer;background:var(--bg-secondary);color:var(--text-secondary);transition:all 0.15s;font-family:var(--font-sans);text-align:center}.lm-mode-btn.active{background:var(--lm-gradient);color:#fff}.lm-mode-btn:hover:not(.active){background:var(--bg-tertiary)}[data-theme="dark"] .lm-mode-btn{background:var(--bg-tertiary)}[data-theme="dark"] .lm-mode-btn.active{background:var(--lm-gradient);color:#fff}.lm-input-row{display:flex;gap:0.5rem;align-items:flex-end;margin-bottom:0.5rem}.lm-input-group{flex:1;min-width:0}.lm-input-label{display:block;font-size:0.6875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:0.25rem}.lm-input{width:100%;padding:0.5rem;font-size:0.875rem;font-family:var(--font-mono);border:1.5px solid var(--border);border-radius:0.375rem;background:var(--bg-primary);color:var(--text-primary);text-align:center;transition:border-color 0.15s}.lm-input:focus{outline:none;border-color:var(--lm-tool);box-shadow:0 0 0 2px rgba(225,29,72,0.1)}.lm-select{width:100%;padding:0.5rem;font-size:0.8125rem;font-family:var(--font-sans);border:1.5px solid var(--border);border-radius:0.375rem;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;transition:border-color 0.15s}.lm-select:focus{outline:none;border-color:var(--lm-tool)}.lm-slider-row{display:flex;align-items:center;gap:0.5rem}.lm-slider-row .lm-input{width:80px;flex-shrink:0}.lm-slider{flex:1;-webkit-appearance:none;appearance:none;height:4px;border-radius:2px;background:var(--border);outline:none}.lm-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--lm-tool);cursor:pointer;border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,0.2)}.lm-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--lm-tool);cursor:pointer;border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,0.2)}.lm-layout .tool-card-body{padding:0.75rem}.lm-layout .tool-card-header{padding:0.625rem 0.75rem;font-size:0.8125rem}.lm-hint{font-size:0.625rem;color:var(--text-muted);margin-top:0.15rem}.lm-diagram-wrap{width:100%;border:1px solid var(--border);border-radius:0.5rem;overflow:hidden;position:relative}.lm-diagram-wrap canvas{width:100%;height:auto;display:block}.lm-results-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.5rem;margin-bottom:0.75rem}.lm-result-card{padding:0.625rem 0.75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:0.5rem;border-left:3px solid var(--lm-tool)}.lm-result-label{font-size:0.6875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.03em;margin-bottom:0.15rem}.lm-result-value{font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--text-primary)}.lm-badges{display:flex;gap:0.375rem;flex-wrap:wrap;margin-bottom:0.75rem}.lm-badge{padding:0.25rem 0.625rem;font-size:0.6875rem;font-weight:600;border-radius:1rem;background:var(--lm-light);color:var(--lm-tool)}.lm-badge-real{background:#dbeafe;color:#1e40af}.lm-badge-virtual{background:#fef3c7;color:#92400e}.lm-badge-inverted{background:#fce7f3;color:#9d174d}.lm-badge-upright{background:#d1fae5;color:#065f46}.lm-step{display:flex;gap:0.75rem;margin-bottom:0.75rem;padding-bottom:0.75rem;border-bottom:1px solid var(--border)}.lm-step:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.lm-step-number{width:1.5rem;height:1.5rem;border-radius:50%;background:var(--lm-gradient);color:#fff;font-size:0.6875rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:0.1rem}.lm-step-content{flex:1;min-width:0}.lm-step-desc{font-size:0.8125rem;color:var(--text-secondary);margin-bottom:0.25rem}.lm-step-math{font-size:1rem;overflow-x:auto}.lm-examples{display:flex;flex-wrap:wrap;gap:0.375rem}.lm-example-chip{padding:0.35rem 0.75rem;font-size:0.6875rem;font-weight:600;border:1.5px solid var(--border);border-radius:1rem;background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;transition:all 0.15s;font-family:var(--font-sans)}.lm-example-chip:hover{border-color:var(--lm-tool);color:var(--lm-tool);background:var(--lm-light)}.lm-output-tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:1rem}.lm-output-tab{padding:0.625rem 1rem;font-size:0.8125rem;font-weight:600;border:none;background:none;color:var(--text-secondary);cursor:pointer;position:relative;font-family:var(--font-sans);transition:color 0.15s}.lm-output-tab.active{color:var(--lm-tool)}.lm-output-tab.active::after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--lm-gradient);border-radius:1px}.lm-panel{display:none}.lm-panel.active{display:block}.lm-error{padding:0.75rem 1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:0.5rem;color:#991b1b;font-size:0.8125rem;font-weight:500}[data-theme="dark"] .lm-error{background:rgba(239,68,68,0.1);border-color:rgba(239,68,68,0.3);color:#fca5a5}.lm-edu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0.75rem}.lm-edu-card{padding:1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:0.5rem;font-size:0.8125rem;line-height:1.6}.lm-edu-card h4{font-size:0.875rem;font-weight:600;color:var(--text-primary);margin:0 0 0.375rem}.lm-edu-card p{margin:0;color:var(--text-secondary)}.lm-callout{display:flex;gap:0.75rem;padding:1rem;border-radius:0.5rem;margin-top:1rem}.lm-callout-insight{background:var(--lm-light);border:1px solid rgba(225,29,72,0.2)}.lm-callout-icon{font-size:1.25rem;flex-shrink:0}.lm-callout-text{font-size:0.8125rem;line-height:1.6;color:var(--text-secondary)}.lm-anim{opacity:0;transform:translateY(20px);transition:opacity 0.5s,transform 0.5s}.lm-anim.lm-visible{opacity:1;transform:translateY(0)}.lm-anim-d1{transition-delay:0.1s}.lm-anim-d2{transition-delay:0.2s}.lm-anim-d3{transition-delay:0.3s}.lm-anim-d4{transition-delay:0.4s}@media (max-width:640px){.lm-results-grid{grid-template-columns:1fr}.lm-edu-grid{grid-template-columns:1fr}}