.curriculum-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:28px 0 36px}.curriculum-card{display:flex;flex-direction:column;padding:23px;border:1px solid #c9d7e1;border-radius:10px;background:#fff;text-decoration:none;color:#24394a;transition:transform .15s,border-color .15s}.curriculum-card:hover{border-color:#005a85;transform:translateY(-2px)}.curriculum-card h3{margin:15px 0 10px;font-size:1.08rem;line-height:1.35}.curriculum-card p{font-size:.83rem;line-height:1.55;margin:0 0 16px}.curriculum-card>span:last-child{margin-top:auto;font-size:.76rem;color:#526877}.part-number{display:inline-flex;align-items:center;justify-content:center;flex:0 0 46px;width:46px;height:46px;background:#e7f0f6;color:#004077;border-radius:50%;font-family:Georgia,serif;font-size:1.1rem}.curriculum-card:nth-child(4),.curriculum-card:nth-child(6){border-top:3px solid #a95330}.curriculum-card:nth-child(3),.curriculum-card:nth-child(7){border-top:3px solid #397ca0}.part-heading{display:flex;gap:20px;align-items:flex-start;border-bottom:2px solid #164b6c;padding:12px 0 20px;margin-bottom:20px}.part-heading h2{margin:2px 0 12px}.part-heading p{margin:0;font-size:.9rem;color:#4b6070}.course-part-controls .btn{font-size:.76rem;text-align:left;max-width:310px}.book-part{scroll-margin-top:30px}.reference-toolbar{display:grid;grid-template-columns:minmax(180px,2fr) minmax(150px,1fr) minmax(150px,1fr);gap:14px;background:#eaf1f6;padding:20px;border-radius:8px;position:sticky;top:0;z-index:3}.reference-toolbar input,.reference-toolbar select{width:100%;box-sizing:border-box;padding:12px;font:inherit;border:1px solid #7890a1;border-radius:5px;background:white;min-height:46px}.reference-toolbar label{font-size:.85rem}.reference-list{display:grid;gap:12px}.reference-item{border:1px solid #d2dce4;border-radius:8px;background:#fff;padding:18px}.reference-item summary{font-weight:650;cursor:pointer;overflow-wrap:anywhere}.reference-item p,.reference-item li{font-size:.85rem;line-height:1.6}.reference-item pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f0f5f8;padding:14px}.reference-item code{overflow-wrap:anywhere}.reference-meta{font-size:.76rem!important;color:#526877}.reference-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.reference-tabs a{padding:10px 14px;border:1px solid #a5bac9;border-radius:5px;text-decoration:none}.reference-figure-links{columns:2;column-gap:30px}.reference-figure-links li{break-inside:avoid;margin-bottom:12px;font-size:.82rem}.benchmark-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.benchmark-grid article{margin:0}.benchmark-grid h2{font-size:1.1rem}.benchmark-grid .download-links{display:flex;gap:10px;flex-wrap:wrap}.benchmark-grid p,.benchmark-grid li{font-size:.84rem}.field-hero{width:100%;height:auto}.course-breadcrumb{font-size:.78rem;line-height:1.6;color:#486174}.course-breadcrumb a{color:inherit}.manual-lesson-links{font-size:.8rem;margin-top:12px}.reference-empty{padding:24px;background:#fff6e7;border-radius:6px}.reference-item[hidden],.reference-section[hidden]{display:none!important}
@media(max-width:1000px){.curriculum-map{grid-template-columns:repeat(2,minmax(0,1fr))}.benchmark-grid{grid-template-columns:1fr}.reference-toolbar{position:static}}
@media(max-width:580px){.curriculum-map{grid-template-columns:1fr}.curriculum-card{padding:20px}.reference-toolbar{grid-template-columns:1fr;padding:15px}.reference-figure-links{columns:1}.part-heading{gap:12px}.part-heading h2{font-size:1.35rem}.course-part-controls .btn{max-width:none;width:100%}}
@media(prefers-reduced-motion:reduce){.curriculum-card{transition:none}.curriculum-card:hover{transform:none}}
@media print{.reference-toolbar{display:none}.curriculum-map{grid-template-columns:1fr 1fr}.curriculum-card{break-inside:avoid}.reference-item{break-inside:avoid}}

.reference-item,.reference-section,#manual-figures{scroll-margin-top:150px}
.book-main #theory img{display:block;max-width:100%;height:auto;margin:20px auto;border:1px solid #d2dce4;border-radius:5px}
@media(max-width:1000px){.reference-item,.reference-section,#manual-figures{scroll-margin-top:24px}}

.subject-navigation{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;padding:12px max(24px,calc((100vw - 1440px)/2));border-bottom:1px solid #c9d7e1;background:#f1f6fa;font-size:.82rem;line-height:1.5}.subject-navigation a{padding:5px 0;color:#164b6c;text-underline-offset:4px}.subject-navigation a:last-child{margin-left:auto;font-weight:650}.curriculum-card:nth-child(4){border-top:3px solid #397ca0}.curriculum-card:nth-child(5){border-top:3px solid #a95330}.curriculum-card:nth-child(6){border-top:3px solid #397a64}@media(max-width:580px){.subject-navigation{gap:3px 16px;padding:10px 18px;font-size:.76rem}.subject-navigation a:last-child{margin-left:0}}@media print{.subject-navigation{display:none}}