/* Knowledge Drop Zone — light "Measured Intelligence" foundational surface. */
.kdz {
  --kdz-canvas: #F4F4F4; --kdz-surface: #FFFFFF; --kdz-ink: #161616;
  --kdz-secondary: #525252; --kdz-muted: #6F6F6F; --kdz-border: #C6C6C6; --kdz-border-soft: #E0E0E0;
  --kdz-action: #0F62FE; --kdz-action-hover: #0043CE; --kdz-action-soft: #EDF5FF;
  --kdz-ok: #198038; --kdz-ok-soft: #DEFBE6; --kdz-warn-ink: #8E6A00; --kdz-warn-soft: #FFF8E1;
  --kdz-risk: #DA1E28; --kdz-risk-soft: #FFF1F1;
  min-height: 100dvh; padding: 28px clamp(16px, 4vw, 48px) 64px;
  background: var(--kdz-canvas); color: var(--kdz-ink);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
}
.kdz__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding-bottom: 18px; margin-bottom: 22px; border-bottom: 1px solid var(--kdz-border); }
.kdz__eyebrow { margin: 0 0 6px; font-family: "IBM Plex Mono", monospace; font-size: 10px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--kdz-action); }
.kdz__title { margin: 0; font-size: clamp(21px, 3vw, 28px); font-weight: 600; }
.kdz__lede { margin: 6px 0 0; max-width: 64ch; font-size: 14px; line-height: 1.5; color: var(--kdz-secondary); }
.kdz__back { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border: 1px solid var(--kdz-border); border-radius: 2px; background: var(--kdz-surface); color: var(--kdz-ink); font-size: 13px; font-weight: 600; text-decoration: none; }
.kdz__back:hover { border-color: var(--kdz-ink); }

.kdz__grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 20px; align-items: start; }
@media (max-width: 1100px) { .kdz__grid { grid-template-columns: 1fr; } }

/* Drop area */
.kdz-drop { position: relative; background: var(--kdz-surface); border: 2px dashed var(--kdz-border); border-top: 3px solid var(--kdz-action); padding: 40px 24px; text-align: center; transition: border-color 140ms ease-out, background 140ms ease-out; }
.kdz-drop.is-dragover { border-color: var(--kdz-action); background: var(--kdz-action-soft); }
.kdz-drop__icon { width: 40px; height: 40px; margin: 0 auto 12px; border-radius: 3px; background: var(--kdz-action-soft); display: grid; place-items: center; color: var(--kdz-action); font-size: 22px; font-weight: 700; }
.kdz-drop__title { margin: 0; font-size: 18px; font-weight: 600; }
.kdz-drop__hint { margin: 6px 0 18px; font-size: 13px; color: var(--kdz-muted); }
.kdz-drop__formats { margin: 14px 0 0; font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--kdz-muted); }
.kdz-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 0 16px; border-radius: 2px; font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid transparent; }
.kdz-btn--primary { background: var(--kdz-action); color: #fff; }
.kdz-btn--primary:hover { background: var(--kdz-action-hover); }
.kdz-btn--ghost { background: var(--kdz-surface); border-color: var(--kdz-border); color: var(--kdz-ink); }
.kdz-btn--ghost:hover { border-color: var(--kdz-ink); }

/* URL row */
.kdz-url { display: flex; gap: 8px; margin-top: 16px; }
.kdz-url__input { flex: 1; min-height: 40px; padding: 0 12px; border: 1px solid var(--kdz-border); border-radius: 2px; font-size: 14px; font-family: inherit; }
.kdz-url__input:focus-visible { outline: 2px solid var(--kdz-action); outline-offset: 1px; }

/* Status feed */
.kdz-status { margin-top: 16px; display: grid; gap: 8px; }
.kdz-status__item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--kdz-surface); border: 1px solid var(--kdz-border-soft); font-size: 13px; }
.kdz-status__badge { font-family: "IBM Plex Mono", monospace; font-size: 9px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; }
.kdz-status__badge--pending { background: var(--kdz-warn-soft); color: var(--kdz-warn-ink); }
.kdz-status__badge--ready { background: var(--kdz-ok-soft); color: var(--kdz-ok); }
.kdz-status__badge--failed { background: var(--kdz-risk-soft); color: var(--kdz-risk); }
.kdz-status__name { flex: 1; font-weight: 600; }
.kdz-status__meta { color: var(--kdz-muted); font-size: 12px; }

/* Side panel: recent sources + wiki pages */
.kdz-panel { background: var(--kdz-surface); border: 1px solid var(--kdz-border); }
.kdz-panel__head { padding: 14px 16px; border-bottom: 1px solid var(--kdz-border-soft); font-family: "IBM Plex Mono", monospace; font-size: 10px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--kdz-muted); }
.kdz-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--kdz-border-soft); }
.kdz-row:last-child { border-bottom: 0; }
.kdz-row__name { font-size: 13px; font-weight: 600; }
.kdz-row__meta { font-size: 11px; color: var(--kdz-muted); font-family: "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.kdz-empty { padding: 18px 16px; font-size: 13px; color: var(--kdz-muted); }

@media (prefers-reduced-motion: reduce) { .kdz-drop { transition: none; } }