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var(--border);background:#0000004d;padding:8px 14px;display:flex}.schematic-label{font-family:var(--font-mono);color:var(--text-dim);letter-spacing:.5px;margin-right:auto;font-size:.72rem}.schematic-canvas{min-height:280px;padding:var(--sp-5);justify-content:center;align-items:center;display:flex}.equation-block{background:var(--bg-raised);border:1px solid var(--border);border-left:3px solid var(--track-color,var(--info));border-radius:0 var(--radius) var(--radius) 0;padding:var(--sp-4) var(--sp-5);font-family:var(--font-mono);color:var(--text);font-size:1rem;position:relative;overflow-x:auto}.equation-label{top:var(--sp-2);right:var(--sp-3);color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;font-size:.65rem;position:absolute}.callout{gap:var(--sp-3);padding:var(--sp-4);border-radius:var(--radius);border:1px solid;font-size:.85rem;line-height:1.6;display:flex}.callout-info{color:var(--info);background:#38bdf80f;border-color:#38bdf84d}.callout-success{color:var(--success);background:#22c55e0f;border-color:#22c55e4d}.callout-warning{color:var(--warning);background:#f59e0b0f;border-color:#f59e0b4d}.callout-danger{color:var(--danger);background:#ef44440f;border-color:#ef44444d}.callout-icon{flex-shrink:0;margin-top:1px;font-size:1rem}.callout-text{color:var(--text)}.callout-text strong{color:inherit}.topic-hero{border-radius:var(--radius-lg);padding:var(--sp-6);flex-direction:column;justify-content:flex-end;min-height:120px;display:flex;position:relative;overflow:hidden}.topic-hero:before{content:"";background:linear-gradient(135deg, rgba(var(--track-color-rgb,56,189,248), .12) 0%, transparent 60%);pointer-events:none;position:absolute;inset:0}.topic-hero-title{font-family:var(--font-display);letter-spacing:-1px;z-index:1;font-size:2rem;font-weight:800;line-height:1.05;position:relative}.topic-hero-desc{color:var(--text-muted);margin-top:var(--sp-2);z-index:1;max-width:520px;font-size:.85rem;position:relative}.track-fundamentals{--track-color:var(--track-fundamentals);--track-color-rgb:56,189,248}.track-semiconductors{--track-color:var(--track-semiconductors);--track-color-rgb:167,139,250}.track-switching{--track-color:var(--track-switching);--track-color-rgb:251,146,60}.track-rectifiers{--track-color:var(--track-rectifiers);--track-color-rgb:52,211,153}.track-dcdc{--track-color:var(--track-dcdc);--track-color-rgb:245,158,11}.track-inverters{--track-color:var(--track-inverters);--track-color-rgb:244,114,182}.track-acac{--track-color:var(--track-acac);--track-color-rgb:96,165,250}.track-motordrives{--track-color:var(--track-motordrives);--track-color-rgb:74,222,128}.track-powerquality{--track-color:var(--track-powerquality);--track-color-rgb:232,121,249}.track-renewable{--track-color:var(--track-renewable);--track-color-rgb:134,239,172}.track-control{--track-color:var(--track-control);--track-color-rgb:251,191,36}.track-advanced{--track-color:var(--track-advanced);--track-color-rgb:248,113,113}.module-loader,.coming-soon{height:100%;min-height:320px;color:var(--text-muted);text-align:center;padding:var(--sp-12);flex-direction:column;justify-content:center;align-items:center;display:flex}.cs-icon{margin-bottom:var(--sp-5);opacity:.6;font-size:3rem}.coming-soon h3{margin:0 0 var(--sp-3);font-family:var(--font-display);color:var(--text);font-size:1.4rem}.coming-soon p{margin:0 0 var(--sp-5);max-width:380px;font-size:.875rem;line-height:1.6}.badge{border-radius:var(--radius-pill);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:1.5px;border:1px solid;padding:5px 14px;font-size:.7rem;font-weight:700}.spinner{border:3px solid var(--border);border-top-color:var(--track-color,var(--info));width:40px;height:40px;margin-bottom:var(--sp-5);box-shadow:0 0 12px rgba(var(--track-color-rgb,56,189,248),.2);border-radius:50%;animation:.9s cubic-bezier(.5,.1,.4,.9) infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.status-bar{background:var(--surface);border-top:1px solid var(--border);height:34px;padding:0 var(--sp-6);font-family:var(--font-mono);color:var(--text-dim);align-items:center;gap:var(--sp-3);letter-spacing:.5px;z-index:10;flex-shrink:0;font-size:.7rem;font-weight:600;display:flex;position:relative}.status-led{border-radius:50%;flex-shrink:0;width:6px;height:6px;animation:2s ease-in-out infinite led-pulse}.status-led.green{background:var(--success);box-shadow:0 0 6px var(--success)}.status-led.yellow{background:var(--warning);box-shadow:0 0 6px var(--warning)}.status-led.red{background:var(--danger);box-shadow:0 0 6px var(--danger)}@keyframes led-pulse{0%,to{opacity:1}50%{opacity:.4}}.status-sep{opacity:.25}.status-wave{align-items:flex-end;gap:2px;height:14px;margin-left:auto;display:flex}.status-bar-dot{background:var(--info);transform-origin:bottom;border-radius:2px;width:3px;animation:1.4s ease-in-out infinite telemetry-pulse}.status-bar-dot:first-child{height:40%;animation-delay:0s}.status-bar-dot:nth-child(2){height:70%;animation-delay:.1s}.status-bar-dot:nth-child(3){height:100%;animation-delay:.2s}.status-bar-dot:nth-child(4){height:60%;animation-delay:.3s}.status-bar-dot:nth-child(5){height:35%;animation-delay:.4s}@keyframes telemetry-pulse{0%,to{opacity:.4;transform:scaleY(.3)}50%{opacity:1;transform:scaleY(1)}}.footer{border-top:1px solid var(--border);height:38px;font-family:var(--font-mono);color:var(--text-dim);justify-content:center;align-items:center;gap:var(--sp-3);z-index:30;letter-spacing:.5px;background:#060b13;flex-shrink:0;font-size:.7rem;display:flex}.footer-brand{color:var(--text-muted);font-weight:800;font-family:var(--font-display);font-size:.75rem}.footer-sep{opacity:.3}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--sp-1)}.gap-2{gap:var(--sp-2)}.gap-3{gap:var(--sp-3)}.gap-4{gap:var(--sp-4)}.font-mono{font-family:var(--font-mono)}.font-display{font-family:var(--font-display)}.text-xs{font-size:.7rem}.text-sm{font-size:.8rem}.text-base{font-size:.9rem}.text-lg{font-size:1.05rem}.text-muted-cls{color:var(--text-muted)}.text-dim-cls{color:var(--text-dim)}.font-bold{font-weight:700}.divider{background:var(--border);width:100%;height:1px;margin:var(--sp-4) 0}.pill{align-items:center;gap:var(--sp-1);border-radius:var(--radius-pill);font-family:var(--font-mono);border:1px solid;padding:2px 9px;font-size:.7rem;font-weight:600;display:inline-flex}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sr-only{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.glow-text{text-shadow:0 0 12px var(--track-color,var(--info))}.data-val{font-family:var(--font-mono);color:var(--track-color,var(--text));font-weight:700}@media (width<=1024px){.sidebar{width:240px}.module-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}}@media (width<=768px){.sidebar{width:64px}.sidebar .track-label,.sidebar .track-chevron,.sidebar .sidebar-title,.sidebar .module-list{display:none}.sidebar .track-icon{margin-right:0}.header-inner{padding:0 var(--sp-4)}.breadcrumb{display:none}.main{padding:var(--sp-4)}.module-grid{grid-template-columns:1fr}.readout-grid{grid-template-columns:repeat(2,1fr)}.search-input{width:160px}}@media (width<=480px){.search-wrap{display:none}.section-title{font-size:1.3rem}.topic-hero-title{font-size:1.6rem}.readout-grid{grid-template-columns:1fr 1fr}}