.d-page{max-width:1100px}
.d-facts{font-size:14px;color:#acbbc7;margin:10px 0 0}
.d-next{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 0;padding:14px 16px;border:1px solid #5d8199;border-radius:14px;background:#1e252d}
.d-next p{margin:0;display:flex;flex-direction:column;gap:2px}.d-next span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#91c7e0}
.d-group{margin-top:30px}.d-group h2{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:#91c7e0;margin:0 0 10px}
.d-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.d-skill{display:flex;flex-direction:column;gap:8px;padding:14px 16px;border:1px solid #3c4f5e;border-radius:14px;background:#1e252d}
.d-skill.is-next{border-color:#91d4f2;box-shadow:0 0 0 1px #91d4f2 inset}
.d-skill.is-done{border-color:#4f8a6b}
.d-skill h3{margin:0;font-size:17px;line-height:1.35}
.d-skill-top{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px}
.d-code{font-family:KaTeX_Main,'Latin Modern Math',serif;font-size:14px;color:#acbbc7}
.d-state{color:#acbbc7}.d-skill.is-next .d-state{color:#91d4f2}.d-skill.is-done .d-state{color:#8fd6a8}.d-skill.is-started .d-state{color:#f2c98a}
.d-steps,.d-pre,.d-count{margin:0;font-size:13px;line-height:1.5;color:#acbbc7}
.d-pre .is-ok{color:#8fd6a8}
.d-bar{display:block;height:6px;border-radius:3px;background:#17191c;overflow:hidden}.d-bar i{display:block;height:100%;background:#8fd6a8}
.d-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:auto;padding-top:6px}
.d-start,.d-next .primary{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:12px;text-decoration:none;font-weight:650}
.d-visual{display:inline-flex;align-items:center;min-height:44px;color:#a6d7ef;font-size:14px;text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.d-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.d-list{grid-template-columns:minmax(0,1fr)}}