.detail-section{margin-bottom:1.5rem}.detail-section-title{font-size:.8125rem;font-weight:700;color:var(--text-primary);margin:0 0 .75rem;text-transform:uppercase;letter-spacing:.04em}.detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem}.detail-item{padding:.75rem;background:var(--bg-primary);border-radius:.375rem}.detail-item-label{font-size:.6875rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600;margin-bottom:.25rem}.detail-item-value{font-size:.875rem;font-weight:600}.breadcrumb{font-size:.8125rem;color:var(--text-secondary);margin-bottom:.5rem}.breadcrumb a{color:var(--text-secondary);text-decoration:none}.breadcrumb a:hover{color:var(--text-primary);text-decoration:underline}.error-pattern{padding:.75rem;border-left:3px solid;background:var(--bg-primary);border-radius:0 .375rem .375rem 0;margin-bottom:.5rem}.error-pattern-k{border-left-color:var(--color-knowledge)}.error-pattern-c{border-left-color:var(--color-condition)}.error-pattern-m{border-left-color:var(--color-methodology)}.error-pattern-e{border-left-color:var(--color-execution)}.auth-page{min-height:100vh;display:grid;place-items:center;padding:1.5rem;background:var(--bg-primary)}.auth-panel{width:min(100%,380px);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:1.5rem}.auth-brand{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}.auth-brand .mastery-loop-brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:6px;color:#fff;background:var(--ds-primary, #1e3a5f)}.auth-brand .mastery-loop-brand-mark svg{width:19px;height:19px;stroke-width:2.35}.auth-brand h1{margin:0;font-size:1rem;line-height:1.2}.auth-brand p{margin:.125rem 0 0;color:var(--text-secondary);font-size:.75rem}.auth-form{display:grid;gap:.875rem}.auth-form label{display:grid;gap:.375rem;color:var(--text-secondary);font-size:.75rem;font-weight:600}.auth-form input{width:100%;border:1px solid var(--border-color);border-radius:.375rem;background:var(--bg-secondary);color:var(--text-primary);font:inherit;padding:.625rem .75rem;outline:none}.auth-form input:focus{border-color:#999}.auth-form button{border:0;border-radius:.375rem;background:var(--color-primary);color:#fff;font:inherit;font-weight:700;padding:.625rem .875rem;cursor:pointer}.auth-form button:disabled{opacity:.6;cursor:wait}.auth-error{border:1px solid #fecaca;background:#fef2f2;color:#b91c1c;border-radius:.375rem;padding:.625rem .75rem;font-size:.75rem}.auth-status{margin-bottom:1rem;border:1px solid #bfdbfe;border-radius:.375rem;background:#eff6ff;color:#1e3a5f;padding:.625rem .75rem;font-size:.75rem;line-height:1.55}.auth-note{margin-top:1rem;color:var(--text-muted);font-size:.75rem;line-height:1.6}.auth-back{display:inline-block;margin-top:.875rem;color:var(--text-secondary);font-size:.75rem;text-decoration:none}.auth-back:hover{color:var(--text-primary);text-decoration:underline}