:root{--color-bg:#f4f6fb;--color-surface:#fff;--color-border:#e1e5f0;--color-text:#393d57;--color-text-muted:#6b7280;--color-primary:#164dca;--color-primary-hover:#2d70f7;--color-navy:#0b1b54;--color-accent:#164dca;--color-aqua:#139cf0;--color-turquoise:#04c4f3;--color-danger:#c53030;--color-success:#1c7c3e;--color-sidebar:var(--color-navy);--color-sidebar-text:#fff;--color-sidebar-text-muted:#ffffffbf;--color-sidebar-hover:#ffffff1f;--radius:6px;--font-sans:"Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--font-heading:"Poppins", var(--font-sans)}*{box-sizing:border-box}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);font-synthesis:none;-webkit-font-smoothing:antialiased;margin:0}#root{flex-direction:column;min-height:100vh;display:flex}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-primary-hover);text-decoration:underline}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-navy);font-weight:700}button{cursor:pointer;font-family:inherit}.btn{border-radius:var(--radius);background:var(--color-primary);color:#fff;border:none;padding:.55rem 1.1rem;font-size:.95rem;font-weight:500;transition:background-color .15s}.btn:hover{background:var(--color-primary-hover)}.btn:disabled{background:var(--color-border);color:var(--color-text-muted);cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);border:1px solid 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#164dca1f}.modal-overlay{z-index:100;background:#0b1b548c;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-card{background:var(--color-surface);border-radius:var(--radius);width:100%;max-width:480px;padding:1.5rem;box-shadow:0 12px 40px #00000040}.tab-bar{border-bottom:1px solid var(--color-border);gap:.25rem;margin-bottom:1rem;display:flex}.tab-button{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:.6rem .9rem;font-size:.9rem;font-weight:500}.tab-button:hover{color:var(--color-text)}.tab-button-active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.detail-label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:.3rem;font-size:.75rem;font-weight:600}.impersonation-banner{color:#7a4a0a;border-radius:var(--radius);background:#fff4e0;border:1px solid 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var(--color-border);border-radius:12px;padding:1.5rem}.training-intro-video{background:#000;border-radius:10px;width:100%;max-height:420px;display:block}.training-progress-track{background:var(--color-border);border-radius:999px;flex:1;min-width:120px;height:6px;overflow:hidden}.training-progress-fill{background:var(--color-turquoise);height:100%;transition:width .3s}.training-question-card{flex-direction:column;gap:.75rem;display:flex}.training-question-kind{text-transform:uppercase;letter-spacing:.04em;color:var(--color-accent);background:var(--color-bg);border-radius:999px;align-self:flex-start;padding:.2rem .55rem;font-size:11px;font-weight:600}.training-question-prompt{color:var(--color-navy);margin:0;font-size:1.05rem;font-weight:600}.training-question-options{flex-direction:column;gap:.5rem;display:flex}.training-option{text-align:left;border-radius:var(--radius);border:1px solid 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