.go-deeper{margin-top:var(--space-xl);padding-top:var(--space-xl);border-top:1px solid var(--color-border)}.go-deeper__header{margin-bottom:var(--space-lg)}.go-deeper__title{font-family:var(--font-heading);font-size:1.25rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-xs)}.go-deeper__subtitle{font-size:.9375rem;color:var(--color-text-muted);line-height:var(--line-height)}.go-deeper__subtitle em{color:var(--color-text);font-style:italic}.go-deeper__remaining{display:inline;font-size:.8125rem;color:var(--color-tag)}.go-deeper__sources{margin-bottom:var(--space-lg)}.go-deeper__sources-label{font-family:var(--font-body);font-size:.75rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:var(--space-sm)}.go-deeper__source-pills{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.go-deeper__source-pill{font-family:var(--font-body);font-size:.8125rem;color:var(--color-link);background:#2b4c7e0f;border:1px solid rgba(43,76,126,.15);border-radius:16px;padding:.3em .75em;text-decoration:none;transition:border-color .15s,background .15s}.go-deeper__source-pill:hover{border-color:var(--color-link);background:#2b4c7e1a;color:var(--color-link)}.go-deeper__source-pill--static{color:var(--color-text-muted);background:var(--color-surface);border-color:var(--color-border);cursor:default}.go-deeper__prompts{display:flex;flex-direction:column;gap:var(--space-xs);margin-bottom:var(--space-md)}.go-deeper__prompt{font-family:var(--font-body);font-size:.9375rem;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:.75em 1em;cursor:pointer;text-align:left;line-height:1.45;transition:border-color .15s,color .15s,background .15s}.go-deeper__prompt:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent);background:#c4713b0a}.go-deeper__prompt:disabled{opacity:.5;cursor:not-allowed}.go-deeper__input-row{display:flex;gap:var(--space-sm);margin-bottom:var(--space-md)}.go-deeper__input{flex:1;font-family:var(--font-body);font-size:.9375rem;padding:.75rem var(--space-md);border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface);color:var(--color-text);outline:none;transition:border-color .2s}.go-deeper__input:focus{border-color:var(--color-accent);box-shadow:0 0 0 2px #c4713b26}.go-deeper__input::placeholder{color:var(--color-text-muted)}.go-deeper__submit{font-family:var(--font-body);font-size:.9375rem;font-weight:600;padding:.75rem var(--space-lg);background:var(--color-link);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background .2s,opacity .2s;white-space:nowrap}.go-deeper__submit:hover:not(:disabled){background:var(--color-accent)}.go-deeper__submit:disabled{opacity:.5;cursor:not-allowed}.go-deeper__loading{display:flex;align-items:center;gap:.5em;padding:var(--space-sm) 0;margin-bottom:var(--space-sm)}.go-deeper__loading-dot{width:8px;height:8px;border-radius:50%;background:var(--color-accent);animation:go-deeper-pulse 1.2s ease-in-out infinite}.go-deeper__loading-text{font-size:.875rem;color:var(--color-text-muted);font-style:italic}@keyframes go-deeper-pulse{0%,to{opacity:.3}50%{opacity:1}}.go-deeper__error{padding:var(--space-xs) var(--space-md);margin-bottom:var(--space-sm);font-size:.8125rem;color:#c0392b;background:#c0392b14;border-radius:6px}.go-deeper__thread{display:flex;flex-direction:column;gap:var(--space-md)}.go-deeper__message{animation:go-deeper-fade-in .25s ease}@keyframes go-deeper-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.go-deeper__bubble{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:var(--space-md);line-height:var(--line-height)}.go-deeper__bubble--user{background:#c4713b14;border-color:#c4713b2e;font-weight:500}.go-deeper__bubble h2,.go-deeper__bubble h3{font-family:var(--font-heading);font-weight:600;margin-top:var(--space-md);margin-bottom:var(--space-xs)}.go-deeper__bubble h2{font-size:1.1rem}.go-deeper__bubble h3{font-size:1rem;color:var(--color-text-muted)}.go-deeper__bubble p{margin-bottom:var(--space-sm)}.go-deeper__bubble p:last-child{margin-bottom:0}.go-deeper__bubble strong{font-weight:600}.go-deeper__bubble em{font-style:italic}.go-deeper__bubble ul,.go-deeper__bubble ol{margin-left:var(--space-md);margin-bottom:var(--space-sm)}.go-deeper__bubble li{margin-bottom:var(--space-xs)}.scholar-link{color:var(--color-link);text-decoration:underline;text-decoration-color:#2b4c7e4d;text-underline-offset:2px;transition:text-decoration-color .15s}.scholar-link:hover{text-decoration-color:var(--color-link)}.go-deeper__gate-overlay{position:fixed;inset:0;background:#1a1a1a80;display:flex;align-items:center;justify-content:center;z-index:2000;padding:var(--space-md);animation:go-deeper-fade-in .2s ease}.go-deeper__gate{position:relative;background:var(--color-bg);border:1px solid var(--color-border);border-radius:12px;padding:var(--space-xl) var(--space-lg);max-width:440px;width:100%;box-shadow:0 16px 48px #00000026}.go-deeper__gate-close{position:absolute;top:var(--space-sm);right:var(--space-md);background:none;border:none;font-size:1.5rem;color:var(--color-text-muted);cursor:pointer;line-height:1;padding:.25em}.go-deeper__gate-close:hover{color:var(--color-text)}.go-deeper__gate-title{font-family:var(--font-heading);font-size:1.375rem;font-weight:600;margin-bottom:var(--space-sm)}.go-deeper__gate-body{font-size:.9375rem;color:var(--color-text-muted);line-height:var(--line-height);margin-bottom:var(--space-lg)}.go-deeper__gate-features{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-lg)}.go-deeper__gate-feature{display:flex;align-items:center;gap:var(--space-sm);font-size:.9375rem}.go-deeper__gate-icon{font-size:1.125rem;flex-shrink:0}.go-deeper__gate-actions{display:flex;flex-direction:column;gap:var(--space-sm);align-items:center}.go-deeper__gate-cta{width:100%;font-family:var(--font-body);font-size:1rem;font-weight:600;padding:.875rem var(--space-lg);background:var(--color-accent);color:#fff;border:none;border-radius:8px;cursor:pointer;transition:opacity .15s}.go-deeper__gate-cta:hover:not(:disabled){opacity:.88}.go-deeper__gate-cta:disabled{opacity:.7;cursor:default}.go-deeper__gate-dismiss{font-family:var(--font-body);font-size:.8125rem;color:var(--color-text-muted);background:none;border:none;cursor:pointer;padding:.25em}.go-deeper__gate-dismiss:hover{color:var(--color-text)}@media(max-width:640px){.go-deeper__submit{padding:.75rem var(--space-md)}.go-deeper__gate{padding:var(--space-lg) var(--space-md)}}