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button{width:24px;height:28px;padding:0}.component-nav{scrollbar-width:thin;flex:1;min-height:0;padding-bottom:20px;overflow-y:auto}.nav-group+.nav-group{margin-top:24px}.group-heading{color:var(--muted-foreground);justify-content:space-between;margin-bottom:9px;padding:0 12px;font-size:12px;display:flex}.nav-item{border-radius:8px;justify-content:flex-start;gap:12px;width:100%;height:42px;margin:3px 0;padding:0 12px;font-size:14px;font-weight:500}.nav-item svg{width:19px;height:19px}.nav-chevron{margin-left:auto}.empty-search{color:var(--muted-foreground);padding:0 12px;line-height:1.6}.sidebar-footer{border-top:1px solid var(--border);align-items:center;gap:10px;padding:20px 4px;font-size:13px;display:flex}.sidebar-footer svg{color:var(--muted-foreground);flex:none}.sidebar-footer span{color:var(--muted-foreground);margin-top:4px;font-size:11px;display:block}.learning-main{min-width:0}.mobile-menu{display:none}.page-content{max-width:1800px;margin:auto;padding:30px 32px 16px}.breadcrumb{color:var(--muted-foreground);flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;display:flex}.breadcrumb a:hover{color:var(--primary)}.breadcrumb svg{width:14px;height:14px}.breadcrumb [aria-current]{color:var(--foreground)}.learning-workspace{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:24px;display:grid}.info-collapsed .learning-workspace{grid-template-columns:minmax(0,1fr)}.component-card{border:1px solid var(--border);background:var(--card);border-radius:16px;min-width:0;overflow:hidden}.card-header{justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;display:flex}.card-header h1,.card-header h2{margin:0;font-size:16px;font-weight:500}.card-description{color:var(--muted-foreground);margin:5px 0 0;font-size:13px;line-height:1.5}.card-header>div:first-child{min-width:0}.card-header h1{overflow-wrap:anywhere;font-size:20px;font-weight:600}.card-actions{flex:none;align-items:center;gap:8px;display:flex}.card-header button{background:var(--card);box-shadow:none;flex:none}.card-body{border-top:1px solid #f2f4f7;padding:24px}.model-card{scrollbar-width:thin;max-height:calc(100dvh - 48px);position:sticky;top:24px;overflow-y:auto}.model-card>.card-body{padding:0}.viewer-area{background:#fcfcfd;height:max(570px,100dvh - 360px);max-height:850px;position:relative;overflow:hidden}.scene-toolbar{color:var(--muted-foreground);pointer-events:none;z-index:3;justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex;position:absolute;top:20px;left:24px;right:24px}.category-label{background:var(--muted);border-radius:6px;padding:4px 10px;font-size:12px}.category-input{color:var(--ipo-input);background:#eef4ff}.category-proses{color:var(--ipo-process);background:#fffaeb}.category-output{color:var(--ipo-output);background:#ecfdf3}.scene-mount{--scene-bottom-inset:180px;inset:0 0 var(--scene-bottom-inset);position:absolute;container-type:inline-size}.scene-mount canvas{touch-action:pan-y!important}.scene-fallback{color:var(--muted-foreground);text-align:center;justify-content:center;align-items:center;padding:36px;line-height:1.6;display:flex;position:absolute;inset:0}.scene-loading{z-index:4;color:var(--muted-foreground);background:#fcfcfd;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:14px;display:flex;position:absolute;inset:0}.scene-loading-spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite scene-loading-spin}@keyframes scene-loading-spin{to{transform:rotate(360deg)}}.scene-actions{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:10px;padding:18px 24px;display:flex}.scene-actions button{height:40px;box-shadow:var(--shadow-control);font-size:13px}.scene-actions button[aria-pressed=true]{color:var(--primary);background:var(--secondary);border-color:var(--primary)}.scene-bottom{pointer-events:none;justify-content:space-between;align-items:end;gap:16px;display:flex;position:absolute;bottom:22px;left:24px;right:24px}.part-caption{min-width:0}.caption-heading{color:var(--muted-foreground);margin-bottom:4px;font-size:12px;display:block}.part-caption strong{overflow-wrap:anywhere;font-size:13px;font-weight:500;display:block}.zoom-controls{pointer-events:auto;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow-control);border-radius:8px;flex:none;gap:1px;padding:3px;display:flex}.viewer-button{width:34px;height:34px;color:var(--foreground);background:0 0;border:0;padding:0}.model-legend{color:var(--muted-foreground);pointer-events:none;gap:16px;font-size:11px;display:flex;position:absolute;bottom:86px;left:50%;transform:translate(-50%)}.model-legend span{align-items:center;gap:5px;display:flex}.model-legend 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.component-description{margin-bottom:0}.part-explanations{margin:0;padding:0;list-style:none}.part-explanations li+li{border-top:1px solid var(--border);margin-top:16px;padding-top:16px}.part-explanation-button{white-space:normal;text-align:left;justify-content:flex-start;max-width:100%;height:auto;min-height:32px;padding:0;font-size:14px;font-weight:500}.part-explanation-selected .part-explanation-button{text-underline-offset:4px;text-decoration:underline}.part-explanations p,.selected-part-explanation p,.lesson-copy,.lesson-hint{color:var(--muted-foreground);overflow-wrap:anywhere;margin:4px 0 0;font-size:14px;line-height:1.7}.selected-part-explanation h3{color:var(--primary);margin:0;font-size:14px;font-weight:500}.working-steps,.important-points{color:var(--muted-foreground);margin:0;padding-left:20px;line-height:1.7}.working-steps{list-style:decimal}.important-points{list-style:outside}.working-steps li+li,.important-points li+li{margin-top:12px}.working-steps 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--tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-space-x-reverse{syntax:"*";inherits:false;initial-value:0}@keyframes enter{0%{opacity:var(--tw-enter-opacity,1);transform:translate3d(var(--tw-enter-translate-x,0),var(--tw-enter-translate-y,0),0)scale3d(var(--tw-enter-scale,1),var(--tw-enter-scale,1),var(--tw-enter-scale,1))rotate(var(--tw-enter-rotate,0));filter:blur(var(--tw-enter-blur,0))}}@keyframes exit{to{opacity:var(--tw-exit-opacity,1);transform:translate3d(var(--tw-exit-translate-x,0),var(--tw-exit-translate-y,0),0)scale3d(var(--tw-exit-scale,1),var(--tw-exit-scale,1),var(--tw-exit-scale,1))rotate(var(--tw-exit-rotate,0));filter:blur(var(--tw-exit-blur,0))}}