.vn-head-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.vn-convbar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.vn-conv-select { width: auto; max-width: 240px; min-height: 30px; padding: 4px 26px 4px 10px; font-size: 12.5px; }
.vn-provider-chip { display: inline-flex; align-items: center; gap: 7px; min-height: 30px; padding: 0 11px; border: 1px solid var(--sn-line-strong); border-radius: var(--sn-radius-pill); background: var(--sn-surface-2); color: var(--sn-text-3); font: 500 11.5px/1 var(--sn-font-mono); cursor: pointer; white-space: nowrap; }
.vn-provider-chip:hover { border-color: var(--sn-accent-line); color: var(--sn-text); }
.vn-provider-row { display: flex; gap: 12px; align-items: flex-start; padding: 14px; cursor: pointer; }
.vn-provider-row input { margin-top: 3px; accent-color: var(--sn-accent); }
.vn-provider-row:has(input:disabled) { opacity: .62; cursor: not-allowed; }

 
.vn-scope { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 8px; border: 1px solid var(--sn-line-strong); border-radius: 8px; background: var(--sn-bg-raised); color: var(--sn-text-3); }
.vn-scope select { min-height: 26px; padding: 0 4px; border: 0; background: transparent; color: var(--sn-text-2); font: 500 12px/1 var(--sn-font-sans); max-width: 190px; }
.vn-scope select:focus-visible { outline: none; box-shadow: none; }
.vn-composer-bar { flex-wrap: wrap; }
.vn-hide-sm { display: inline; }
#vn-submit[data-mode="stop"] { background: var(--sn-danger); border-color: transparent; color: #fff; }
.vn-suggest-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; margin-top: 24px; }
.vn-suggest-grid .sn-card { padding: 14px 16px; }
.vn-suggest-grid .sn-card-title { font-size: 13.5px; font-weight: 500; }

 
.vn-reply-grid.is-single { grid-template-columns: minmax(0, 1fr); }
.vn-thinking span[data-live] { color: var(--sn-text-3); }
.vn-toollog { margin-top: 18px; border-top: 1px solid var(--sn-line); padding-top: 12px; }
.vn-toollog summary { color: var(--sn-text-3); font: 500 11.5px/1.4 var(--sn-font-sans); cursor: pointer; list-style: none; }
.vn-toollog summary::-webkit-details-marker { display: none; }
.vn-toollog summary::before { content: "▸ "; color: var(--sn-text-4); }
.vn-toollog[open] summary::before { content: "▾ "; }
.vn-toollog ol { margin: 10px 0 0; padding-left: 16px; display: grid; gap: 6px; }
.vn-toollog li { color: var(--sn-text-3); font-size: 11.5px; line-height: 1.5; }
.vn-toollog code { color: var(--sn-text-2); }
.vn-toollog-status { font: 500 10.5px/1 var(--sn-font-mono); }
.vn-toollog-status[data-status="complete"] { color: var(--sn-success); }
.vn-toollog-status[data-status="warning"] { color: var(--sn-warning); }
.vn-toollog-status[data-status="failed"] { color: var(--sn-danger); }
.vn-toollog-status[data-status="waiting"] { color: var(--sn-accent-strong); }
.vn-toollog-status[data-status="skipped"] { color: var(--sn-text-4); }

 
.vn-summary { display: grid; gap: 6px; }
.vn-summary-label { color: var(--sn-text-4); font: 600 10px/1 var(--sn-font-sans); letter-spacing: .14em; text-transform: uppercase; }
.vn-summary p { color: var(--sn-text); font-size: 15px; line-height: 1.6; }
.vn-card { display: grid; gap: 10px; padding: 16px; border: 1px solid var(--sn-line); border-radius: var(--sn-radius-md); background: var(--sn-bg-raised); }
.vn-card-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--sn-text-2); font: 600 12.5px/1.4 var(--sn-font-sans); }
.vn-card-actions { display: flex; gap: 6px; }
.vn-metric.is-down .sn-stat-value { color: var(--sn-danger); }
.vn-metric.is-up .sn-stat-value { color: var(--sn-success); }
.vn-metric.is-warn .sn-stat-value { color: var(--sn-warning); }
.vn-table table { font-size: 12px; }
.vn-output { grid-template-columns: auto 1fr auto; display: grid; align-items: center; }
.vn-output small { display: block; color: var(--sn-text-3); font-size: 11.5px; }
.vn-context-card { border-color: var(--sn-accent-line); background: var(--sn-accent-soft); }
.vn-facts { margin: 0; padding-left: 18px; color: var(--sn-text-2); font-size: 13px; line-height: 1.6; }
.vn-error { border-color: color-mix(in srgb, var(--sn-danger) 40%, transparent); background: var(--sn-danger-soft); }
.vn-error .vn-card-title { color: var(--sn-danger); }
.vn-error-grid { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; margin: 0; font-size: 13px; }
.vn-error-grid dt { color: var(--sn-text-3); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.vn-error-grid dd { margin: 0; color: var(--sn-text-2); }
.vn-clarify { border-color: var(--sn-accent-line); }
.vn-clarify p { color: var(--sn-text); font-size: 14px; line-height: 1.55; }

 
.vn-interpretation { display: grid; gap: 6px; padding: 14px 16px; border: 1px dashed var(--sn-line-strong); border-radius: var(--sn-radius-md); background: transparent; }
.vn-interpretation[data-source="ai"] { border-color: color-mix(in srgb, var(--sn-accent-2) 45%, transparent); background: var(--sn-accent-2-soft); }
.vn-interp-label { color: var(--sn-text-4); font: 600 10px/1.2 var(--sn-font-sans); letter-spacing: .12em; text-transform: uppercase; }
.vn-interpretation[data-source="ai"] .vn-interp-label { color: var(--sn-accent-2); }
.vn-interpretation p { color: var(--sn-text-2); font-size: 13.5px; line-height: 1.6; }
.vn-interpretation small { color: var(--sn-text-4); font: 500 11px/1.4 var(--sn-font-mono); }

 
.vn-finding-kind { display: inline-block; margin-bottom: 4px; color: var(--sn-text-4); font: 600 9.5px/1 var(--sn-font-sans); letter-spacing: .12em; text-transform: uppercase; }
.vn-finding-kind[data-kind="calculated"] { color: var(--sn-success); }
.vn-finding-kind[data-kind="estimate"] { color: var(--sn-accent-2); }
.vn-finding-kind[data-kind="unverified"] { color: var(--sn-warning); }
.vn-followups { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding-top: 12px; border-top: 1px solid var(--sn-line); }
.vn-followups .sn-muted { margin-right: 4px; }

 
.ctx-kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; margin: 0 0 8px; font-size: 12.5px; }
.ctx-kv dt { color: var(--sn-text-4); }
.ctx-kv dd { margin: 0; color: var(--sn-text-2); overflow: hidden; text-overflow: ellipsis; }
.ctx-memory { display: grid; gap: 6px; margin: 0 0 8px; padding: 0; list-style: none; }
.ctx-memory li { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--sn-line); border-radius: 9px; background: var(--sn-surface); }
.ctx-memory strong { display: block; color: var(--sn-text); font-size: 12.5px; }
.ctx-memory small { display: block; color: var(--sn-text-3); font-size: 11.5px; }

@media (max-width: 900px) {
  .vn-hide-sm { display: none; }
  .vn-conv-select { max-width: 150px; }
  .vn-error-grid { grid-template-columns: 1fr; }
  .vn-error-grid dt { margin-top: 6px; }
  .vn-output { grid-template-columns: auto 1fr; }
  .vn-output button { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .vn-provider-chip, .vn-scope { display: none; }
  .vn-suggest-grid { grid-template-columns: 1fr; }
  .vn-toollog li { font-size: 11px; }
}

 
#vn-submit { margin-left: auto; }
@media (max-width: 1100px) { #vn-shortcuts { display: none; } }

 
.vn-restricted { border-color: color-mix(in srgb, var(--sn-warning) 34%, var(--sn-line)); background: color-mix(in srgb, var(--sn-warning) 5%, var(--sn-surface)); }
.vn-restricted .vn-card-title { color: var(--sn-text); }
.vn-restricted-text { margin: 8px 0 0; color: var(--sn-text-2); font-size: 13.5px; line-height: 1.55; }
.vn-restricted-meta { margin: 10px 0 0; color: var(--sn-text-4); font-size: 11.5px; }