#exercises{color:#172019}
.guide-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:6px 0 24px}
.guide-heading h1{font-size:clamp(30px,3vw,44px);line-height:1.15;letter-spacing:-.035em;margin:0 0 10px}
.guide-heading p{font-size:14px;color:#536058;margin:0}
.guide-count{font-size:13px;color:#425344;white-space:nowrap;padding-bottom:5px}
.guide-start{background:#17231b;color:#f6f9ee;display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,1.2fr);gap:24px;align-items:center;padding:28px 32px;border-radius:7px}
.guide-start strong{font-size:21px;line-height:1.3}.guide-start p{font-size:13px;color:#d0dcd0;line-height:1.7;max-width:38ch;margin:10px 0 0}
.guide-start-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.guide-start-list button{border:1px solid #4d6552;border-radius:4px;color:#f7f9ef;background:#2b4030;padding:13px 15px;text-align:left;display:flex;justify-content:space-between;gap:8px;cursor:pointer;font-weight:700}
.guide-start-list button:hover{background:#405945}.guide-start-list span{color:#def47a}
.guide-controls{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:13px;margin:28px 0 17px}
.guide-controls label{display:grid;gap:7px;font-size:12px;font-weight:700;color:#35453a}
.guide-controls input,.guide-controls select{height:48px;width:100%;background:#fff;border:1px solid #ccd6cd;border-radius:4px;padding:0 14px;color:#172019;font:inherit;font-size:14px}
.guide-controls input:focus,.guide-controls select:focus{border-color:#566f4c}
.guide-complete{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#36503b;margin:0 0 18px;cursor:pointer}.guide-complete input{accent-color:#1c3e24}
.guide-part-list{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:18px;border-bottom:1px solid #d8dfd7}
.guide-part-list button{border:1px solid #cbd5c9;background:#fff;border-radius:4px;padding:8px 12px;color:#35443b;cursor:pointer;font-size:12px}
.guide-part-list button.active,.guide-part-list button:hover{background:#18281d;color:#fff;border-color:#18281d}
.guide-results{display:flex;align-items:center;justify-content:space-between;margin:19px 0 16px}.guide-results p{font-size:13px;color:#59685d;margin:0}.guide-results button{border:0;background:none;color:#315a34;cursor:pointer;font-size:12px;text-decoration:underline;text-underline-offset:3px}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.guide-card{display:flex;flex-direction:column;align-items:stretch;min-width:0;min-height:160px;background:#fff;border:1px solid #dbe2d9;border-radius:5px;padding:19px;text-align:left;cursor:pointer;color:#172019;transition:border-color .18s ease,transform .18s ease}
.guide-card-visual{height:clamp(180px,19vw,260px);display:flex;align-items:center;justify-content:center;background:#fff;margin:13px 0 0;border-radius:3px;overflow:hidden;color:#25452c}.guide-card-visual>video.guide-video{display:block;flex:none;width:100%;height:100%;min-width:0;min-height:0;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.guide-card-visual svg{height:100%;width:100%;display:block;transform:none}
.guide-card:hover{border-color:#7d9d70;transform:translateY(-2px)}.guide-card-top,.guide-card-bottom{display:flex;justify-content:space-between;gap:8px;align-items:center}.guide-card-top small{font-size:11px;color:#4c6752;background:#edf2e9;padding:4px 7px}.guide-card-top small+small{background:none;color:#68786c}.guide-card strong{font-size:18px;line-height:1.4;margin:19px 0 auto;overflow-wrap:anywhere}.guide-card-bottom{font-size:12px;color:#718075;margin-top:18px}.guide-card-bottom b{color:#285335;font-weight:700;white-space:nowrap}
.guide-pages{display:flex;justify-content:center;align-items:center;gap:20px;margin:26px 0 14px}.guide-pages button{border:1px solid #ccd7cb;background:#fff;padding:9px 15px;border-radius:4px;cursor:pointer;color:#263d2d}.guide-pages button:disabled{opacity:.4;cursor:default}.guide-pages span{font-size:12px;color:#566457}
.guide-jump{display:flex;align-items:center;gap:8px;margin-left:8px}.guide-jump label{font-size:12px;color:#566457;white-space:nowrap}.guide-jump input{width:68px;height:39px;border:1px solid #ccd7cb;border-radius:4px;background:#fff;color:#263d2d;text-align:center;font:inherit;font-size:13px}.guide-jump input::-webkit-inner-spin-button{opacity:1}.guide-page-status{min-height:1.3em;margin:-5px 0 12px;text-align:center;color:#a24b36;font-size:12px}.guide-jump input:focus-visible{outline:3px solid #acd14e;outline-offset:2px}
@media(max-width:620px){.guide-pages{flex-wrap:wrap;gap:10px}.guide-jump{width:100%;justify-content:center;margin-left:0}}
.guide-source{font-size:11px;color:#667569;line-height:1.7;margin:22px 0}.guide-source a{color:#285335}.guide-empty{grid-column:1/-1;padding:40px;text-align:center;background:#fff;color:#566457;border:1px solid #dae1d9}
.guide-overlay[hidden]{display:none}.guide-overlay{position:fixed;inset:0;z-index:1500;background:rgba(5,12,7,.72);display:flex;align-items:center;justify-content:center;padding:18px}
.guide-dialog{background:#f8faf6;width:min(1040px,100%);max-height:min(90vh,900px);overflow:auto;border-radius:7px;position:relative;box-shadow:0 20px 70px rgba(0,0,0,.25)}
.guide-close{position:absolute;top:18px;right:20px;z-index:2;border:0;background:#e6ebe4;border-radius:50%;width:37px;height:37px;cursor:pointer;font-size:24px;color:#24382a}
.guide-detail-head{padding:32px 38px 25px;border-bottom:1px solid #dbe3d9}.guide-detail-head>span{font-size:12px;color:#497350;font-weight:700}.guide-detail-head h2{font-size:clamp(26px,3vw,38px);margin:8px 44px 9px 0;letter-spacing:-.03em;line-height:1.25}.guide-detail-head p{margin:0;color:#57695b;font-size:13px}
.guide-detail-layout{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.15fr);gap:32px;padding:30px 38px 38px}
.guide-media{min-height:320px;background:#1d2d22;color:#fff;display:flex;flex-direction:column;justify-content:end;padding:25px;border-radius:5px;position:relative}.guide-media-mark{position:absolute;top:25px;left:25px;font-size:42px;font-weight:800;color:#d9ef73}.guide-media p{font-size:19px;font-weight:700;margin:0 0 8px}.guide-media small{font-size:12px;color:#d1decf;line-height:1.6}
.guide-animation{flex:1;min-height:280px;display:flex;align-items:center;justify-content:center;color:#e8f4dd;overflow:hidden}.guide-animation>video.guide-detail-video{display:block;flex:none;width:100%;height:280px;min-width:0;min-height:0;object-fit:contain;object-position:center}.guide-animation svg{display:block;width:min(280px,100%);height:280px}.guide-media p{font-size:16px}
.guide-instructions h3{font-size:17px;margin:4px 0 14px}.guide-instructions h3:not(:first-child){margin-top:28px}.guide-instructions ol{list-style:none;padding:0;margin:0}.guide-instructions ol li{display:grid;grid-template-columns:32px 1fr;gap:10px;border-bottom:1px solid #e1e7df;padding:11px 0}.guide-instructions ol li span{color:#5e875c;font-weight:800;font-size:12px;padding-top:2px}.guide-instructions ol li p{margin:0;font-size:13px;line-height:1.75}.guide-instructions ul{padding-left:18px;margin:0}.guide-instructions ul li{font-size:12px;line-height:1.75;margin:8px 0;color:#354b39}.guide-tip-source{font-size:11px;color:#6e7d71;line-height:1.6;border-top:1px solid #dfe6dd;padding-top:13px;margin-top:20px}
.guide-intro{font-size:13px;line-height:1.8;color:#3b4f3e;margin:0}.guide-missing{font-size:12px;line-height:1.7;color:#5a6c5e;background:#eaf0e8;padding:13px;margin:0}
.guide-card:focus-visible,.guide-start-list button:focus-visible,.guide-part-list button:focus-visible,.guide-pages button:focus-visible,.guide-close:focus-visible{outline:3px solid #acd14e;outline-offset:2px}
@media(max-width:900px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-start{grid-template-columns:1fr}}
@media(max-width:620px){.guide-heading{display:block}.guide-count{display:block;margin-top:10px}.guide-controls{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}.guide-start{padding:23px}.guide-start-list{grid-template-columns:1fr 1fr}.guide-detail-layout{grid-template-columns:1fr;padding:20px}.guide-detail-head{padding:25px 20px}.guide-media{min-height:180px}.guide-dialog{max-height:95vh}}
@media(prefers-reduced-motion:reduce){.guide-card{transition:none}.guide-card:hover{transform:none}}