/* 문서 시각화(static/js/doc_visuals.js) — 제안 카드·도식 뷰어·그림 카드·모션 자리.
   색은 공용 토큰(--surface-color·--bg-color·--border-color·--text-color·--text-muted·--primary-color)만 쓴다 — 없는 토큰은
   다크 모드에서만 조용히 깨진다. 노드 종류 색은 여기 한 벌(밝은·어두운). */

:root {
  --dv-node-fill: #ffffff;
  --dv-node-stroke: #5b6ee1;
  --dv-node-text: #1c2540;
  --dv-decision: #fff4e0;
  --dv-decision-stroke: #e08a1e;
  --dv-start: #e6f7ef;
  --dv-start-stroke: #1f9d6b;
  --dv-end: #fdecee;
  --dv-end-stroke: #d64f6a;
  --dv-store: #eef3ff;
  --dv-external: #f3f4f6;
  --dv-edge: #8a94b8;
  --dv-lit: #3b54e8;
  --dv-group: rgba(91, 110, 225, 0.07);
  --dv-group-stroke: #b9c3ee;
}

[data-theme="dark"] {
  --dv-node-fill: #262b3d;
  --dv-node-stroke: #8396ff;
  --dv-node-text: #eef1fb;
  --dv-decision: #3a2f1c;
  --dv-decision-stroke: #f0a34a;
  --dv-start: #17382b;
  --dv-start-stroke: #3ccf9f;
  --dv-end: #3d1f27;
  --dv-end-stroke: #ff7a94;
  --dv-store: #222c4a;
  --dv-external: #2c2f38;
  --dv-edge: #7f89ad;
  --dv-lit: #9db0ff;
  --dv-group: rgba(131, 150, 255, 0.09);
  --dv-group-stroke: #4a5588;
}

.dv-panel {
  margin: 16px 0;
  padding: 18px 20px 20px;
  border: 1px solid var(--border-color);
  border-radius: 18px;
  background: var(--surface-color);
  color: var(--text-color);
  font-size: 14px;
  line-height: 1.5;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
}

.dv-panel--compact { margin: 12px 0 4px; padding: 14px 16px 16px; }

.dv-panel__head { margin-bottom: 12px; }
.dv-panel__title { margin: 0 0 4px; font-size: 16px; font-weight: 700; }
.dv-panel__intro { margin: 0; color: var(--text-muted); font-size: 13px; }

.dv-rows { display: grid; gap: 10px; }

.dv-row {
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--bg-color);
}

.dv-row__head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.dv-row__icon { font-size: 22px; line-height: 1; flex: 0 0 auto; }
.dv-row__info { display: grid; gap: 2px; flex: 1 1 260px; min-width: 0; }
.dv-row__name { font-size: 14.5px; }
.dv-row__desc { color: var(--text-muted); font-size: 12.5px; }
.dv-row__side { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

.dv-meta { color: var(--text-muted); font-size: 12px; white-space: nowrap; }

.dv-status { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-muted); }
.dv-status--done { color: #138a5c; font-weight: 600; }
[data-theme="dark"] .dv-status--done { color: #3ccf9f; }
.dv-status--locked { padding: 3px 9px; border-radius: 999px; border: 1px dashed var(--border-color); }

.dv-spinner {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--border-color); border-top-color: var(--primary-color);
  animation: dv-spin 0.8s linear infinite;
}
@keyframes dv-spin { to { transform: rotate(360deg); } }

.dv-note { margin: 8px 0 0; color: #c0392b; font-size: 12.5px; }
[data-theme="dark"] .dv-note { color: #ff8f84; }

.dv-btn {
  min-height: 0;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--surface-color);
  color: var(--text-color);
  font-size: 12.5px;
  line-height: 1.3;
  cursor: pointer;
}
.dv-btn:hover { border-color: var(--primary-color); }
.dv-btn:disabled { opacity: 0.5; cursor: default; }
.dv-btn--primary { background: var(--primary-color); border-color: var(--primary-color); color: #fff; font-weight: 600; }
.dv-btn--primary:hover { filter: brightness(1.06); }
.dv-btn--ghost { background: transparent; }
.dv-btn--danger:hover { border-color: #d64545; color: #d64545; }
.dv-btn--wide { width: 100%; padding: 10px 14px; font-size: 13.5px; }

.dv-panel__foot { margin-top: 12px; }

.dv-result { margin-top: 12px; }

.dv-tabs { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.dv-tab {
  min-height: 0; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--border-color);
  background: transparent; color: var(--text-muted); font-size: 12.5px; cursor: pointer;
}
.dv-tab.is-active { background: var(--primary-color); border-color: var(--primary-color); color: #fff; }

.dv-chip {
  min-height: 0; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border-color);
  background: var(--surface-color); color: var(--text-color); font-size: 12px; cursor: pointer;
}
.dv-chip:disabled { cursor: default; color: var(--text-muted); }
.dv-chip--link:hover, .dv-chip--link.is-active { border-color: var(--primary-color); color: var(--primary-color); }

.dv-badge {
  padding: 2px 8px; border-radius: 6px; background: var(--border-color); color: var(--text-muted);
  font-size: 11.5px; font-weight: 600; white-space: nowrap;
}

.dv-muted { color: var(--text-muted); font-size: 12.5px; }

/* ── 도식 ── */
.dv-diagram {
  border: 1px solid var(--border-color); border-radius: 14px; overflow: hidden; background: var(--surface-color);
}
.dv-diagram__bar { display: flex; align-items: center; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--border-color); flex-wrap: wrap; }
.dv-diagram__count { margin-left: auto; color: var(--text-muted); font-size: 12px; }
.dv-diagram__stage { position: relative; height: 380px; background: var(--bg-color); touch-action: none; cursor: grab; }
.dv-diagram__stage.is-dragging { cursor: grabbing; }
.dv-svg { width: 100%; height: 100%; display: block; user-select: none; }

.dv-node { cursor: pointer; outline: none; }
.dv-node rect, .dv-node polygon, .dv-node path {
  fill: var(--dv-node-fill); stroke: var(--dv-node-stroke); stroke-width: 1.6; transition: stroke-width 0.12s, filter 0.12s;
}
.dv-node--decision polygon { fill: var(--dv-decision); stroke: var(--dv-decision-stroke); }
.dv-node--start rect { fill: var(--dv-start); stroke: var(--dv-start-stroke); }
.dv-node--end rect { fill: var(--dv-end); stroke: var(--dv-end-stroke); }
.dv-node--store path { fill: var(--dv-store); }
.dv-node--external rect { fill: var(--dv-external); stroke-dasharray: 5 4; }
.dv-node--note path { fill: var(--dv-external); }
.dv-node__text { fill: var(--dv-node-text); font-size: 14px; font-weight: 600; pointer-events: none; }
.dv-node__page { fill: var(--text-muted); font-size: 11px; pointer-events: none; }
.dv-node:hover rect, .dv-node:hover polygon, .dv-node:hover path,
.dv-node:focus-visible rect, .dv-node:focus-visible polygon, .dv-node:focus-visible path { stroke-width: 2.6; }
.dv-node.is-selected rect, .dv-node.is-selected polygon, .dv-node.is-selected path { stroke: var(--dv-lit); stroke-width: 3; filter: drop-shadow(0 2px 6px rgba(59, 84, 232, 0.35)); }

.dv-edge path { fill: none; stroke: var(--dv-edge); stroke-width: 1.6; }
.dv-edge.is-back path { stroke-dasharray: 6 4; }
.dv-arrow { fill: var(--dv-edge); }
.dv-edge__plate { fill: var(--surface-color); stroke: var(--border-color); }
.dv-edge__label { fill: var(--text-muted); font-size: 12px; font-weight: 500; }

.dv-group rect { fill: var(--dv-group); stroke: var(--dv-group-stroke); stroke-dasharray: 5 4; }
.dv-group__label { fill: var(--dv-node-stroke); font-size: 12px; font-weight: 700; }

/* 선택하면 이어진 것만 밝힌다 */
.dv-diagram.has-selection .dv-node:not(.is-selected):not(.is-near) { opacity: 0.35; }
.dv-diagram.has-selection .dv-edge:not(.is-lit) { opacity: 0.2; }
.dv-edge.is-lit path { stroke: var(--dv-lit); stroke-width: 2.4; }

.dv-diagram__detail { padding: 12px 14px; border-top: 1px solid var(--border-color); min-height: 56px; }
.dv-detail__head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dv-detail__title { margin: 0; font-size: 14.5px; }
.dv-detail__text, .dv-detail__summary { margin: 6px 0 0; font-size: 13.5px; }
.dv-detail__hint { margin: 4px 0 0; color: var(--text-muted); font-size: 12.5px; }
.dv-detail__links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.dv-detail__linklabel { color: var(--text-muted); font-size: 12px; margin-right: 2px; }

/* ── 그림 ── */
.dv-figures { display: grid; gap: 14px; }
.dv-figure { border: 1px solid var(--border-color); border-radius: 14px; padding: 12px 14px; background: var(--surface-color); }
.dv-figure__head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.dv-figure__title { margin: 0; font-size: 14.5px; flex: 1 1 auto; min-width: 0; }
.dv-figure__body { min-width: 0; }
.dv-figure__body .aui { margin: 0; }
.dv-figure__img { display: block; max-width: 100%; height: auto; margin: 0 auto; border-radius: 10px; }
.dv-figure__summary { margin: 10px 0 0; font-size: 13.5px; }
.dv-figure__block { margin-top: 10px; font-size: 13px; }
.dv-figure__takeaways { margin: 4px 0 0; padding-left: 18px; }
.dv-terms { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.dv-terms__note { margin: 8px 0 0; padding: 8px 10px; border-radius: 10px; background: var(--bg-color); font-size: 13px; }
.dv-figure__diagram .dv-diagram__stage { height: 300px; }

/* ── 모션 ── */
.dv-motion { min-width: 0; }

@media (max-width: 640px) {
  .dv-panel { padding: 14px; border-radius: 14px; }
  .dv-row__side { justify-content: flex-start; width: 100%; }
  .dv-diagram__stage { height: 300px; }
}

/* ── 채팅 답변 아래의 한 줄 제안 ── */
.dv-offer { margin-top: 12px; border: 1px solid var(--border-color); border-radius: 14px; background: var(--bg-color); padding: 10px 12px; }
.dv-offer__line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dv-offer__icon { font-size: 18px; flex: 0 0 auto; }
.dv-offer__text { display: flex; flex-direction: column; gap: 1px; flex: 1 1 220px; min-width: 0; font-size: 13px; }
.dv-offer__kinds, .dv-offer__file { color: var(--text-muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dv-offer__body { margin-top: 8px; }
.dv-offer__body .dv-panel { margin: 0; border: 0; padding: 4px 0 0; background: transparent; }

/* ── 파일 페이지의 문서 창 ── */
.dv-modal {
  position: fixed; inset: 0; z-index: 3000; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: rgba(10, 14, 28, 0.55);
}
.dv-modal__sheet {
  width: min(980px, 100%); max-height: 100%; display: flex; flex-direction: column;
  background: var(--surface-color); color: var(--text-color);
  border: 1px solid var(--border-color); border-radius: 18px; overflow: hidden;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}
.dv-modal__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--border-color);
}
.dv-modal__title { display: grid; min-width: 0; }
.dv-modal__title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; }
.dv-modal__title span { color: var(--text-muted); font-size: 12px; }
.dv-modal__close {
  min-height: 0; width: 32px; height: 32px; padding: 0; border-radius: 50%;
  border: 1px solid var(--border-color); background: transparent; color: var(--text-muted); cursor: pointer;
}
.dv-modal__close:hover { color: var(--text-color); border-color: var(--text-muted); }
.dv-modal__body { overflow: auto; padding: 4px 18px 18px; }
.dv-modal__body .dv-panel { border: 0; padding: 12px 0 0; margin: 0; }
body.dv-modal-open { overflow: hidden; }

@media (max-width: 640px) {
  .dv-modal { padding: 0; align-items: flex-end; }
  .dv-modal__sheet { width: 100%; max-height: 92vh; border-radius: 18px 18px 0 0; }
}