.brt-app{--brt-blue:#0b3b75;--brt-blue2:#1559a6;--brt-yellow:#ffd84d;--brt-bg:#f5f8fc;--brt-ink:#142033;--brt-muted:#66758a;--brt-card:#fff;--brt-line:#dce5f0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--brt-ink);background:var(--brt-bg);border:1px solid var(--brt-line);border-radius:22px;overflow:hidden;box-shadow:0 18px 50px rgba(11,59,117,.10);margin:24px 0}
.brt-app *{box-sizing:border-box}.brt-shell{min-height:720px}.brt-hero{padding:28px 32px;background:linear-gradient(135deg,#082f61,#1559a6);color:#fff;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.brt-eyebrow{font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:#ffdf66}.brt-hero h2{margin:5px 0 8px;font-size:clamp(26px,4vw,42px);line-height:1.08;color:#fff}.brt-hero p{margin:0;max-width:760px;color:#dfeaff;font-size:15px;line-height:1.6}.brt-progress-ring{width:96px;height:96px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--brt-yellow) calc(var(--p,0)*1%),rgba(255,255,255,.15) 0);position:relative}.brt-progress-ring:after{content:"";position:absolute;inset:9px;background:#0d4586;border-radius:50%}.brt-progress-ring span{position:relative;z-index:2;font-weight:900;font-size:20px}.brt-nav{display:flex;gap:8px;padding:14px 18px;background:#fff;border-bottom:1px solid var(--brt-line);overflow-x:auto;position:sticky;top:0;z-index:15}.brt-nav button{border:0;background:#eef4fb;color:#2b4669;padding:10px 14px;border-radius:12px;font-weight:700;white-space:nowrap;cursor:pointer}.brt-nav button.active{background:var(--brt-blue);color:#fff}.brt-main{padding:24px}.brt-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.brt-card{background:var(--brt-card);border:1px solid var(--brt-line);border-radius:18px;padding:20px;box-shadow:0 6px 24px rgba(20,32,51,.04)}.brt-card h3,.brt-card h4{margin-top:0}.brt-span-12{grid-column:span 12}.brt-span-8{grid-column:span 8}.brt-span-6{grid-column:span 6}.brt-span-4{grid-column:span 4}.brt-callout{border-left:5px solid var(--brt-yellow);background:#fff9df;padding:14px 16px;border-radius:10px}.brt-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.brt-step{padding:14px;border:1px solid var(--brt-line);border-radius:14px;background:#fbfdff}.brt-step strong{display:block;color:var(--brt-blue);font-size:15px;margin-bottom:4px}.brt-step p{margin:0;color:var(--brt-muted);font-size:14px;line-height:1.5}.brt-badges{display:flex;flex-wrap:wrap;gap:8px}.brt-badge{font-size:12px;font-weight:800;padding:7px 9px;border-radius:999px;background:#e8f1fb;color:var(--brt-blue)}.brt-viewer{background:#05080d;border-radius:18px;overflow:hidden;border:1px solid #202a37}.brt-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:10px 12px;background:#101722;color:#fff}.brt-toolbar button,.brt-btn{border:0;border-radius:10px;padding:10px 13px;font-weight:800;cursor:pointer}.brt-toolbar button{background:#26384e;color:#fff}.brt-toolbar button:hover{background:#35506f}.brt-btn{background:var(--brt-blue);color:#fff}.brt-btn.secondary{background:#eaf1f9;color:var(--brt-blue)}.brt-btn.yellow{background:var(--brt-yellow);color:#2b2b22}.brt-image-stage{position:relative;min-height:480px;display:grid;place-items:center;overflow:auto;background:#000;padding:14px}.brt-image-wrap{position:relative;display:inline-block;transform-origin:center center;transition:transform .2s ease}.brt-image-wrap img{display:block;max-width:min(100%,760px);max-height:72vh;object-fit:contain;filter:brightness(var(--b,1)) contrast(var(--c,1)) invert(var(--i,0));transition:filter .15s}.brt-hotspot{position:absolute;width:18px;height:18px;border-radius:50%;border:3px solid #fff;background:#ffd84d;box-shadow:0 0 0 4px rgba(255,216,77,.28);transform:translate(-50%,-50%);cursor:pointer;z-index:3}.brt-hotspot:after{content:attr(data-label);position:absolute;left:18px;top:-8px;background:rgba(9,17,27,.92);color:#fff;border:1px solid rgba(255,255,255,.15);padding:6px 8px;border-radius:8px;white-space:nowrap;font-size:12px;font-weight:700;opacity:0;pointer-events:none;transition:.15s}.brt-hotspot:hover:after,.brt-hotspot.show:after{opacity:1}.brt-credit{font-size:11px;color:#9fb0c8;padding:9px 12px;background:#0c1119;line-height:1.45}.brt-atlas-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.brt-atlas-item{background:#fff;border:1px solid var(--brt-line);border-radius:16px;overflow:hidden;cursor:pointer;transition:.2s}.brt-atlas-item:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(11,59,117,.12)}.brt-atlas-thumb{height:210px;background:#080b10;display:grid;place-items:center;overflow:hidden}.brt-atlas-thumb img{width:100%;height:100%;object-fit:contain}.brt-atlas-body{padding:14px}.brt-atlas-body h4{margin:0 0 5px}.brt-atlas-body p{margin:0;color:var(--brt-muted);font-size:13px;line-height:1.45}.brt-atlas-tag{display:inline-block;margin-top:9px;padding:5px 8px;border-radius:8px;background:#eef5ff;color:#174e8c;font-size:11px;font-weight:800}.brt-case-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.brt-case-vignette{padding:14px 16px;background:#f1f6fc;border:1px solid var(--brt-line);border-radius:14px;line-height:1.55}.brt-q{margin-top:18px}.brt-q h4{margin-bottom:11px}.brt-options{display:grid;gap:9px}.brt-option{width:100%;text-align:left;border:1px solid var(--brt-line);background:#fff;padding:12px 14px;border-radius:12px;cursor:pointer;font-weight:650;color:#24364d}.brt-option:hover{border-color:#7da5d1;background:#f8fbff}.brt-option.correct{background:#e8f8ef;border-color:#55b97d;color:#145a31}.brt-option.wrong{background:#fff0f0;border-color:#e88b8b;color:#8c2828}.brt-feedback{margin-top:12px;padding:12px 14px;border-radius:12px;background:#f7f9fc;border:1px solid var(--brt-line);line-height:1.55}.brt-scorebar{height:12px;background:#e7edf5;border-radius:999px;overflow:hidden}.brt-scorebar span{display:block;height:100%;background:linear-gradient(90deg,#1559a6,#ffd84d);width:0}.brt-case-nav{display:flex;gap:9px;justify-content:space-between;margin-top:18px}.brt-kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.brt-kpi div{background:#f7faff;border:1px solid var(--brt-line);border-radius:14px;padding:14px}.brt-kpi strong{display:block;font-size:24px;color:var(--brt-blue)}.brt-kpi span{font-size:12px;color:var(--brt-muted)}.brt-table{width:100%;border-collapse:collapse;font-size:14px}.brt-table th,.brt-table td{padding:11px;border-bottom:1px solid var(--brt-line);text-align:left;vertical-align:top}.brt-table th{color:var(--brt-blue);background:#f5f9fd}.brt-search{width:100%;padding:12px 14px;border:1px solid var(--brt-line);border-radius:12px;font-size:15px;margin-bottom:14px}.brt-note{font-size:13px;color:var(--brt-muted);line-height:1.55}.brt-modal{position:fixed;inset:0;background:rgba(2,8,18,.78);z-index:99999;display:none;align-items:center;justify-content:center;padding:18px}.brt-modal.open{display:flex}.brt-modal-card{width:min(100%,1100px);max-height:92vh;overflow:auto;background:#fff;border-radius:20px}.brt-modal-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--brt-line)}.brt-modal-head h3{margin:0}.brt-close{border:0;background:#eef2f7;border-radius:10px;padding:8px 11px;font-weight:900;cursor:pointer}.brt-footer{padding:15px 24px;background:#fff;border-top:1px solid var(--brt-line);font-size:12px;color:var(--brt-muted);line-height:1.5}
@media(max-width:900px){.brt-hero{grid-template-columns:1fr}.brt-progress-ring{display:none}.brt-span-8,.brt-span-6,.brt-span-4{grid-column:span 12}.brt-atlas-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brt-image-stage{min-height:400px}.brt-kpi{grid-template-columns:1fr}}
@media(max-width:620px){.brt-main{padding:14px}.brt-hero{padding:22px 18px}.brt-nav{padding:10px}.brt-steps,.brt-atlas-grid{grid-template-columns:1fr}.brt-image-stage{min-height:330px;padding:8px}.brt-toolbar{gap:6px}.brt-toolbar button{padding:8px 9px;font-size:12px}.brt-atlas-thumb{height:260px}.brt-card{padding:15px}.brt-case-head{display:block}}