.kbad,.kbad :before,.kbad :after{box-sizing:border-box}.kbad{--lime:#c9f135;--lime-dim:#b5db2a;--lime-pale:#f2facc;--coral:#f53;--dark:#0d0f08;--dark2:#1a1d10;--ink:#1e2114;--muted:#7a7d70;--subtle:#a8ab9f;--border:#00000014;--border2:#00000021;--bg:#f0f0e8;--white:#fff;--radius-xl:24px;--radius-lg:18px;--radius-md:12px;--radius-sm:8px;background:var(--bg)}.kbad-progress-bar{top:calc(60px + env(safe-area-inset-top,0px));z-index:190;background:#0000000f;height:3px;position:fixed;left:0;right:0}.kbad-progress-fill{background:var(--lime);width:0;height:100%;transition:width .1s linear}.kbad-breadcrumb{margin-top:calc(60px + env(safe-area-inset-top,0px));background:var(--white);border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:16px clamp(1rem,4vw,60px);display:flex;overflow-x:auto}.kbad-bc-link,.kbad-bc-current,.kbad-bc-sep{white-space:nowrap;font-size:12px}.kbad-bc-link{color:var(--muted);text-decoration:none}.kbad-bc-link:hover{color:var(--dark)}.kbad-bc-sep{color:var(--subtle)}.kbad-bc-current{color:var(--dark);font-weight:500}.kbad-layout{grid-template-columns:220px minmax(0,1fr) 220px;align-items:start;max-width:1280px;margin:0 auto;padding:0 clamp(1rem,3vw,40px);display:grid}.kbad-sidebar-left{padding:40px 28px 40px 0;position:sticky;top:86px}.kbad-toc-label{letter-spacing:.1em;text-transform:uppercase;color:var(--subtle);margin-bottom:14px;font-size:10px;font-weight:600}.kbad-toc-list{flex-direction:column;gap:2px;display:flex}.kbad-toc-item{color:var(--muted);border-left:2px solid #0000;border-radius:0 4px 4px 0;padding:6px 10px;font-size:12px;line-height:1.4;text-decoration:none}.kbad-toc-item:hover{color:var(--dark);border-left-color:var(--border2)}.kbad-toc-item.active{color:var(--dark);border-left-color:var(--lime);background:var(--lime-pale);font-weight:500}.kbad-toc-divider{background:var(--border);height:1px;margin:14px 0}.kbad-toc-progress-label{color:var(--subtle);margin-bottom:6px;font-size:11px}.kbad-toc-progress-bar{background:var(--border2);border-radius:2px;height:4px;overflow:hidden}.kbad-toc-progress-fill{background:var(--lime);width:0;height:100%}.kbad-article{background:var(--white);border-left:1px solid var(--border);border-right:1px solid var(--border);min-height:calc(100dvh - 60px)}.kbad-article-header{border-bottom:1px solid var(--border);padding:52px 64px 48px}.kbad-art-kicker{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;display:flex}.kbad-art-cat{letter-spacing:.1em;text-transform:uppercase;color:#1a3d80;align-items:center;gap:7px;font-size:11px;font-weight:600;display:flex}.kbad-art-cat-dot{background:currentColor;border-radius:50%;width:6px;height:6px}.kbad-art-cat--interview{color:#8b2000}.kbad-art-cat--test{color:#4a1a80}.kbad-art-cat--salary{color:#1a5a30}.kbad-art-badge-new,.kbad-art-badge-level{border-radius:20px;padding:3px 9px;font-size:10px}.kbad-art-badge-new{background:var(--dark);color:#fff;font-weight:600}.kbad-art-badge-level{background:var(--lime);color:var(--dark);font-weight:500}.kbad-art-title{font-family:var(--font-unbounded), "Unbounded", sans-serif;color:var(--dark);letter-spacing:-.035em;margin:0 0 18px;font-size:clamp(28px,3vw,36px);font-weight:900;line-height:1.1}.kbad-art-lead{max-width:560px;color:var(--muted);margin:0 0 28px;font-size:17px;font-weight:300;line-height:1.75}.kbad-art-meta-row{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:0;padding-top:24px;display:flex}.kbad-art-meta-item{border-right:1px solid var(--border);flex-direction:column;gap:3px;margin-right:24px;padding-right:24px;display:flex}.kbad-art-meta-item:last-child{border-right:none;margin-right:0}.kbad-art-meta-label{letter-spacing:.08em;text-transform:uppercase;color:var(--subtle);font-size:10px;font-weight:600}.kbad-art-meta-value{color:var(--dark);font-size:14px;font-weight:500}.kbad-key-takeaway{background:var(--lime);border-bottom:1px solid var(--lime-dim);padding:24px 64px}.kbad-kt-label{letter-spacing:.1em;text-transform:uppercase;color:#0d0f0873;margin-bottom:8px;font-size:10px;font-weight:600}.kbad-kt-text{color:var(--dark);font-size:16px;font-weight:600;line-height:1.5}.kbad-article-body{padding:48px 64px 64px}.kbad-art-body h2{font-family:var(--font-unbounded), "Unbounded", sans-serif;color:var(--dark);letter-spacing:-.025em;margin:0 0 14px;padding-top:36px;font-size:20px;font-weight:700}.kbad-art-body h2:first-child{padding-top:0}.kbad-art-body h3{font-family:var(--font-unbounded), "Unbounded", sans-serif;color:var(--dark);margin:0 0 10px;padding-top:24px;font-size:15px;font-weight:600}.kbad-art-body p,.kbad-art-body li{color:var(--ink);font-size:15px;font-weight:300;line-height:1.8}.kbad-art-body p{margin:0 0 18px}.kbad-art-body strong{color:var(--dark);font-weight:600}.kbad-art-body em{color:var(--muted)}.kbad-ul{gap:6px;margin:0 0 18px;padding-left:20px;display:grid}.kbad-art-table{border-collapse:collapse;border:1px solid var(--border2);border-radius:var(--radius-lg);width:100%;margin:24px 0;overflow:hidden}.kbad-art-table thead{background:var(--dark)}.kbad-art-table th{text-align:left;color:#ffffffbf;text-transform:uppercase;padding:14px 18px;font-size:12px}.kbad-art-table td{border-bottom:1px solid var(--border);padding:12px 18px}.kbad-art-table tbody tr:last-child td{border-bottom:none}.kbad-article-footer{border-top:1px solid var(--border);background:var(--bg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:36px 64px;display:flex}.kbad-af-actions,.kbad-af-useful{align-items:center;gap:10px;display:flex}.kbad-af-btn{border:1px solid var(--border2);border-radius:var(--radius-md);cursor:pointer;background:#fff;padding:10px 18px;font-size:13px}.kbad-af-useful-label{color:var(--muted);font-size:13px}.kbad-af-vote{border:1px solid var(--border2);cursor:pointer;background:#fff;border-radius:50%;width:36px;height:36px}.kbad-af-vote.voted{background:var(--lime);border-color:var(--lime-dim)}.kbad-sidebar-right{gap:20px;padding:40px 0 40px 28px;display:grid;position:sticky;top:86px}.kbad-next-card,.kbad-info-widget,.kbad-related-widget{border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;overflow:hidden}.kbad-next-card{color:inherit;text-decoration:none}.kbad-next-card-header{background:var(--dark);padding:14px 16px}.kbad-next-card-label{color:#ffffff59;text-transform:uppercase;margin-bottom:6px;font-size:10px}.kbad-next-card-cat{color:var(--lime);font-size:11px}.kbad-next-card-body{padding:16px}.kbad-next-card-title{font-family:var(--font-unbounded), "Unbounded", sans-serif;margin-bottom:8px;font-size:13px;line-height:1.4}.kbad-next-card-meta{color:var(--muted);font-size:11px}.kbad-next-card-btn{text-align:center;background:var(--lime);width:100%;padding:10px;font-size:12px;font-weight:600}.kbad-info-widget{padding:18px}.kbad-iw-title{margin-bottom:12px;font-size:12px;font-weight:600}.kbad-iw-items{gap:10px;display:grid}.kbad-iw-item{align-items:center;gap:10px;display:flex}.kbad-iw-icon{background:var(--bg);border-radius:7px;place-items:center;width:28px;height:28px;display:grid}.kbad-iw-text{color:var(--muted);font-size:12px}.kbad-rw-header{border-bottom:1px solid var(--border);padding:14px 16px}.kbad-rw-title{text-transform:uppercase;color:var(--muted);font-size:11px;font-weight:600}.kbad-rw-item{color:inherit;border-bottom:1px solid var(--border);padding:13px 16px;text-decoration:none;display:block}.kbad-rw-item:last-child{border-bottom:none}.kbad-rw-item-cat{text-transform:uppercase;color:#1a3d80;margin-bottom:4px;font-size:10px}.kbad-rw-item-title{margin-bottom:4px;font-size:13px;line-height:1.35}.kbad-rw-item-time{color:var(--subtle);font-size:11px}@media (max-width:1100px){.kbad-layout{grid-template-columns:minmax(0,1fr) 220px}.kbad-sidebar-left{display:none}}@media (max-width:900px){.kbad-layout{grid-template-columns:1fr;padding:0}.kbad-sidebar-right{padding:14px 1rem 24px;position:static}.kbad-article{border-left:none;border-right:none}.kbad-article-header,.kbad-key-takeaway,.kbad-article-body,.kbad-article-footer{padding-left:1rem;padding-right:1rem}}