:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#1d2440;background:#f5f7fb;font-synthesis:none;text-rendering:optimizeLegibility;--navy: #18235f;--navy-2: #243172;--gold: #d0a91f;--teal: #087b82;--teal-soft: #e8f4f4;--line: #dfe4ee;--muted: #687087;--white: #ffffff;--danger: #a43838;--danger-soft: #fff0f0;--success: #16734b;--success-soft: #eaf7f1}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#f5f7fb}button,input{font:inherit}button{cursor:pointer}a{color:var(--teal);font-weight:700}.login-shell,.centered{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 20px 60px #18235f1a}.brand-mark{width:68px;height:68px;border-radius:18px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-size:25px;font-weight:900;margin-bottom:22px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.08;color:var(--navy)}h2{color:var(--navy)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--teal);font-size:.75rem;font-weight:900;margin-bottom:8px}.muted{color:var(--muted);line-height:1.55}.microcopy{margin-top:18px;color:var(--muted);font-size:.82rem}.login-form{display:grid;gap:16px;margin-top:28px}label{display:grid;gap:7px;font-weight:750;color:var(--navy)}input{padding:13px 14px;border:1px solid #cfd5e1;border-radius:10px;outline:none}input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #087b821f}.button{border:0;border-radius:11px;padding:12px 17px;font-weight:850}.button.primary{background:var(--navy);color:#fff}.button.primary:hover{background:var(--navy-2)}.button.secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}.button:disabled{opacity:.45;cursor:not-allowed}.button.wide{width:100%;margin-top:20px}.link-button{border:0;background:transparent;color:var(--teal);font-weight:850;padding:5px}.app-shell{min-height:100vh}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px clamp(18px,4vw,52px);background:var(--navy);color:#fff}.topbar strong{display:block;font-size:1.05rem}.app-kicker{font-size:.73rem;color:#d5d9ee;display:block;margin-bottom:3px}.user-zone{display:flex;gap:12px;align-items:center;font-size:.9rem}.topbar .link-button{color:#f5db6a}.main-nav{position:sticky;top:0;z-index:10;display:flex;gap:4px;padding:8px clamp(14px,4vw,48px);background:#fff;border-bottom:1px solid var(--line);overflow-x:auto}.main-nav button{border:0;background:transparent;color:#515a74;padding:11px 14px;border-radius:9px;font-weight:800;white-space:nowrap}.main-nav button.active{background:#edf0fa;color:var(--navy)}.content{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:34px 0 70px}.page-stack{display:grid;gap:22px}.hero{background:linear-gradient(120deg,var(--navy),#2d3a7a);color:#fff;border-radius:22px;padding:32px}.hero.compact{padding:28px 30px}.hero h1,.hero h2{color:#fff;margin-bottom:10px}.hero p:last-child{margin-bottom:0;color:#e2e5f4}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.panel,.progress-card,.stat{background:#fff;border:1px solid var(--line);border-radius:16px}.card{padding:24px}.card h2{font-size:1.55rem;margin-bottom:8px}.card-actions{margin-top:20px}.panel{padding:24px}.panel-heading{display:flex;align-items:start;justify-content:space-between;gap:16px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{padding:22px;display:grid;gap:6px}.stat strong{font-size:2rem;color:var(--navy)}.stat span{color:var(--muted);font-weight:700;font-size:.9rem}.progress-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.progress-card{padding:20px;border-top:4px solid var(--teal)}.progress-card strong{font-size:2rem;color:var(--navy)}.progress-card h3{margin:7px 0}.progress-card p{color:var(--muted);font-size:.88rem;line-height:1.45;margin-bottom:0}.training-wrap{max-width:760px;margin:0 auto}.training-topline{display:flex;justify-content:space-between;margin-bottom:12px;color:var(--muted);font-weight:800}.question-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:clamp(22px,5vw,34px);box-shadow:0 14px 38px #1a25570f}.question-card h1{font-size:clamp(1.45rem,4vw,2.15rem);line-height:1.25;margin:18px 0 26px}.question-meta{display:flex;justify-content:space-between;gap:10px;font-size:.78rem;font-weight:850;color:var(--teal);text-transform:uppercase;letter-spacing:.06em}.choices{display:grid;gap:11px}.choice{width:100%;display:flex;align-items:center;gap:13px;text-align:left;border:1px solid #d4d9e5;background:#fff;border-radius:12px;padding:14px;color:#222941}.choice:hover{border-color:#aeb8d3}.choice.selected{border:2px solid var(--navy);background:#f2f4fb}.choice-key{min-width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:#edf0fa;color:var(--navy);font-weight:900}.feedback-panel{margin-top:12px}.answer-result{display:grid;gap:4px;border-radius:12px;padding:15px;margin-bottom:18px}.answer-result.correct{background:var(--success-soft);color:var(--success)}.answer-result.incorrect{background:var(--danger-soft);color:var(--danger)}.feedback-copy{border-left:4px solid var(--gold);padding:6px 0 6px 17px;line-height:1.6}.reference{color:var(--muted);font-size:.88rem}.notice{border-radius:10px;padding:12px 14px;margin:12px 0;font-weight:650}.notice.error{background:var(--danger-soft);color:var(--danger)}.notice.warning{background:#fff7da;color:#735e0d}.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{border-bottom:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:top}th{background:#f0f2f8;color:var(--navy);font-size:.82rem}td{font-size:.9rem}.activity-list{color:var(--muted);line-height:1.8}.panel.message{max-width:520px;width:100%;text-align:center}@media(max-width:760px){.grid.two,.progress-grid,.stats-grid{grid-template-columns:1fr}.topbar{align-items:flex-start}.user-zone{flex-direction:column;align-items:flex-end;gap:2px}.content{width:min(100% - 22px,1120px);padding-top:20px}.hero.compact{padding:23px}.panel-heading{flex-direction:column}.login-card{padding:26px 22px}}