/* ---------- Nexus Knowledge — module-specific hero visual ----------
   Generic mk-* layout lives in module.css. This file only holds the
   chat mockup shown in the Knowledge hero.
   ------------------------------------------------------------------ */

/* Chat mockup */
.mk-chat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-3); overflow: hidden; }
.mk-chat__bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.mk-chat__bar .dot { width: 9px; height: 9px; border-radius: 999px; background: var(--border-strong); }
.mk-chat__bar .ttl { margin-left: 8px; font-size: 12.5px; font-weight: 600; color: var(--fg-subtle); font-family: var(--font-mono); }
.mk-chat__body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.mk-msg { display: flex; gap: 12px; }
.mk-msg .av { flex-shrink: 0; width: 30px; height: 30px; border-radius: 999px; display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.mk-msg.user .av { background: var(--surface-inset); color: var(--fg-muted); border: 1px solid var(--border); }
.mk-msg.bot .av { background: color-mix(in srgb, var(--nx-green) 16%, transparent); color: var(--nx-green); }
.mk-msg .bubble { font-size: 14px; line-height: 1.55; color: var(--fg); }
.mk-msg.user .bubble { color: var(--fg-strong); font-weight: 600; }
.mk-src { margin-top: 12px; border-top: 1px dashed var(--border); padding-top: 12px; }
.mk-src__lbl { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-subtle); margin-bottom: 8px; }
.mk-src__item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--fg-muted); font-family: var(--font-mono); padding: 5px 0; }
.mk-src__item .ci { color: var(--nx-green); flex-shrink: 0; }
.mk-src__item .ci svg { width: 13px; height: 13px; }
.mk-chat__input { display: flex; align-items: center; gap: 10px; margin: 4px 20px 20px; padding: 11px 14px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface-2); color: var(--fg-subtle); font-size: 13px; }
.mk-chat__input .send { margin-left: auto; width: 28px; height: 28px; border-radius: var(--r-md); background: var(--nx-green); color: #fff; display: grid; place-items: center; }
.mk-chat__input .send svg { width: 15px; height: 15px; }

/* Quality proof for structure-aware chunking */
.mk-step--chunking { background: color-mix(in srgb, var(--nx-green) 5%, transparent); border-radius: var(--r-lg); }
.mk-step__metric { display: grid; gap: 4px; margin-top: 14px; padding-top: 12px; border-top: 1px solid color-mix(in srgb, var(--nx-green) 25%, var(--border)); }
.mk-step__metric strong { color: var(--nx-green); font: 750 20px/1 var(--font-mono); }
.mk-step__metric span { color: var(--fg-subtle); font-size: 10.5px; line-height: 1.4; }

/* Extensible sources — explicitly framed as product vision */
.mk-source-vision { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 24px; align-items: start; padding: 30px; border-color: color-mix(in srgb, var(--nx-green) 32%, var(--border)); background: linear-gradient(120deg, color-mix(in srgb, var(--nx-green) 7%, var(--surface)), var(--surface)); }
.mk-source-vision__icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: var(--r-lg); color: var(--nx-green); background: color-mix(in srgb, var(--nx-green) 12%, transparent); border: 1px solid color-mix(in srgb, var(--nx-green) 25%, var(--border)); }
.mk-source-vision__icon svg { width: 24px; height: 24px; }
.mk-source-vision h2 { margin: 8px 0 10px; font-size: clamp(22px, 3vw, 30px); }
.mk-source-vision .nx-lead { max-width: 75ch; font-size: 16px; }
.mk-source-vision__note { margin-top: 14px; color: var(--fg-subtle); font-size: 12.5px; font-style: italic; }

/* Highlighted document-creation feature */
.mk-fcard--document { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px; align-items: center; padding: 30px; border-color: color-mix(in srgb, var(--nx-green) 34%, var(--border)); background: linear-gradient(120deg, color-mix(in srgb, var(--nx-green) 8%, var(--surface)), var(--surface)); }
.mk-document__intro { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; }
.mk-fcard--document .mk-document__intro .ic { margin: 0; }
.mk-fcard--document h3 { font-size: 20px; }
.mk-document__formats { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.mk-document__formats span { padding: 5px 9px; border: 1px solid var(--icon-tile-border); border-radius: 7px; background: var(--surface-2); color: var(--fg-strong); font: 700 11px/1 var(--font-mono); letter-spacing: .04em; }
.mk-document__benefits { display: grid; gap: 12px; }
.mk-document__benefits li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: var(--fg-muted); font-size: 14px; line-height: 1.5; }
.mk-document__benefits .ci { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 999px; background: color-mix(in srgb, var(--nx-green) 14%, transparent); color: var(--nx-green); }
.mk-document__benefits .ci svg { width: 13px; height: 13px; }
.mk-fcard--vision { grid-column: 1 / -1; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 20px; align-items: center; padding: 24px 30px; }
.mk-fcard--vision > .ic { margin: 0; }
.mk-vision__content h3 { margin-bottom: 5px; }
.mk-vision__facts { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; max-width: 340px; }
.mk-vision__facts span { padding: 7px 10px; border: 1px solid var(--icon-tile-border); border-radius: 999px; background: var(--surface-2); color: var(--fg-muted); font-size: 11px; font-weight: 650; white-space: nowrap; }

@media (max-width: 760px) {
  .mk-source-vision { grid-template-columns: 1fr; padding: 24px; }
  .mk-fcard--document { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .mk-fcard--vision { grid-template-columns: auto 1fr; padding: 24px; }
  .mk-vision__facts { grid-column: 1 / -1; justify-content: flex-start; max-width: none; }
}