/* ═══════════════════════════════════════════════
   ANIMA Doctrine Library v1.1.0
   3-column layout: Cat Nav | Article List | Preview
   ═══════════════════════════════════════════════ */

:root {
  --aai-bg:      #060913;
  --aai-surf:    #0d1525;
  --aai-surf2:   #111827;
  --aai-border:  rgba(255,255,255,.08);
  --aai-border2: rgba(255,255,255,.14);
  --aai-gold:    #f2d06b;
  --aai-gold2:   #d7ad39;
  --aai-text:    #eaf1ff;
  --aai-text2:   rgba(224,232,248,.62);
  --aai-text3:   rgba(224,232,248,.32);
  --aai-r:       10px;
  --aai-tr:      .18s cubic-bezier(.32,.72,0,1);
}

/* ── OUTER WRAP ── */
.aai-wrap {
  background: var(--aai-bg);
  border: 1px solid var(--aai-border);
  border-radius: var(--aai-r);
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--aai-text);
  display: flex;
  flex-direction: column;
  min-height: 680px;
}

/* ── TOP HEADER BAR ── */
.aai-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1.2rem;
  background: linear-gradient(135deg,#0d1525,#111827);
  border-bottom: 1px solid var(--aai-border);
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: .75rem;
}
.aai-header-brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-shrink: 0;
}
.aai-header-star { color: var(--aai-gold); font-size: 1rem; }
.aai-header-title {
  font-size: .88rem;
  font-weight: 800;
  color: var(--aai-gold);
  white-space: nowrap;
}
.aai-header-count {
  font-size: .65rem;
  color: var(--aai-text3);
  font-family: ui-monospace, monospace;
  margin-left: .2rem;
}

/* Search */
.aai-search-wrap {
  flex: 1;
  min-width: 180px;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: .45rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 8px;
  padding: .38rem .7rem;
  transition: border-color var(--aai-tr);
}
.aai-search-wrap:focus-within { border-color: rgba(242,208,107,.4); }
.aai-search-icon { color: var(--aai-text3); font-size: .95rem; flex-shrink: 0; }
.aai-search {
  flex: 1; min-width: 0;
  background: transparent; border: none;
  color: var(--aai-text); font-size: .82rem; outline: none;
}
.aai-search::placeholder { color: var(--aai-text3); }
.aai-search-clear {
  background: none; border: none;
  color: var(--aai-text3); cursor: pointer;
  font-size: .72rem; padding: 0; line-height: 1;
  transition: color var(--aai-tr);
}
.aai-search-clear:hover { color: var(--aai-gold); }

/* Sort */
.aai-sort {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  color: var(--aai-text2);
  border-radius: 6px;
  padding: .35rem .6rem;
  font-size: .74rem;
  cursor: pointer;
  font-family: inherit;
  outline: none;
  flex-shrink: 0;
}
.aai-sort:focus { border-color: rgba(242,208,107,.3); }

/* ── 3-COLUMN BODY ── */
.aai-body {
  display: grid;
  grid-template-columns: 200px 1fr 380px;
  flex: 1;
  overflow: hidden;
}
@media (max-width: 1100px) {
  .aai-body { grid-template-columns: 180px 1fr 320px; }
}
@media (max-width: 820px) {
  .aai-body { grid-template-columns: 1fr; }
  .aai-preview-col { display: none; }
  .aai-preview-col.mobile-open {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: 9000;
    flex-direction: column;
    background: var(--aai-surf);
    overflow-y: auto;
  }
}
@media (max-width: 580px) {
  .aai-cat-col { display: none; }
  .aai-cat-col.mobile-open {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: 9001;
    flex-direction: column;
    background: var(--aai-bg);
    overflow-y: auto;
    padding: 1rem;
  }
}

/* ── COLUMN 1: CATEGORY NAV ── */
.aai-cat-col {
  border-right: 1px solid var(--aai-border);
  background: rgba(6,9,19,.7);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.aai-cat-col-head {
  padding: .75rem .85rem .4rem;
  font-size: .58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--aai-text3);
  font-family: ui-monospace, monospace;
  border-bottom: 1px solid var(--aai-border);
  flex-shrink: 0;
}
.aai-cat-scroll { padding: .5rem .5rem; overflow-y: auto; flex: 1; }

.aai-cat-btn {
  display: flex;
  align-items: center;
  gap: .45rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: .42rem .6rem;
  font-size: .78rem;
  font-weight: 500;
  color: var(--aai-text2);
  cursor: pointer;
  transition: all var(--aai-tr);
  font-family: inherit;
  margin-bottom: 1px;
}
.aai-cat-btn:hover {
  background: rgba(255,255,255,.05);
  color: var(--aai-text);
}
.aai-cat-btn.active {
  color: var(--aai-cat-color, var(--aai-gold));
  background: rgba(242,208,107,.08);
  font-weight: 700;
}
.aai-cat-icon { font-size: .85rem; flex-shrink: 0; width: 18px; text-align: center; }
.aai-cat-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aai-cat-n {
  font-size: .62rem;
  font-family: ui-monospace, monospace;
  color: var(--aai-text3);
  flex-shrink: 0;
  background: rgba(255,255,255,.06);
  padding: .08rem .28rem;
  border-radius: 999px;
}
.aai-cat-btn.active .aai-cat-n {
  background: rgba(242,208,107,.1);
  color: var(--aai-cat-color, var(--aai-gold2));
}
.aai-cat-divider {
  height: 1px;
  background: var(--aai-border);
  margin: .5rem .3rem;
}
.aai-sub-group { padding-left: .85rem; }
.aai-sub-group .aai-cat-btn {
  font-size: .73rem;
  padding: .35rem .55rem;
}

/* ── COLUMN 2: ARTICLE LIST ── */
.aai-list-col {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--aai-border);
}
.aai-list-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem .9rem;
  border-bottom: 1px solid var(--aai-border);
  flex-shrink: 0;
  gap: .5rem;
}
.aai-list-filter-label {
  font-size: .68rem;
  color: var(--aai-gold);
  font-family: ui-monospace, monospace;
  font-weight: 700;
  flex: 1;
}
.aai-list-count {
  font-size: .65rem;
  color: var(--aai-text3);
  font-family: ui-monospace, monospace;
}

/* Article list scroll area */
.aai-list-scroll {
  overflow-y: auto;
  flex: 1;
  -webkit-overflow-scrolling: touch;
}
.aai-list-scroll::-webkit-scrollbar { width: 4px; }
.aai-list-scroll::-webkit-scrollbar-track { background: transparent; }
.aai-list-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

/* Article row */
.aai-article-row {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .75rem .9rem;
  border-bottom: 1px solid var(--aai-border);
  cursor: pointer;
  transition: background var(--aai-tr), border-left-color var(--aai-tr);
  border-left: 3px solid transparent;
  position: relative;
}
.aai-article-row:hover {
  background: rgba(255,255,255,.04);
}
.aai-article-row.active {
  background: rgba(242,208,107,.05);
  border-left-color: var(--row-color, var(--aai-gold));
}
.aai-article-row:last-child { border-bottom: none; }

.aai-row-thumb {
  width: 58px;
  height: 44px;
  border-radius: 5px;
  object-fit: cover;
  flex-shrink: 0;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  overflow: hidden;
}
.aai-row-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.aai-row-body { flex: 1; min-width: 0; }
.aai-row-title {
  font-size: .83rem;
  font-weight: 600;
  color: var(--aai-text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: .22rem;
}
.aai-article-row:hover .aai-row-title,
.aai-article-row.active .aai-row-title { color: #fff; }
.aai-row-meta {
  display: flex;
  align-items: center;
  gap: .38rem;
  font-size: .62rem;
  color: var(--aai-text3);
  font-family: ui-monospace, monospace;
  flex-wrap: wrap;
}
.aai-row-cat {
  font-weight: 700;
  font-size: .6rem;
}
.aai-row-sep { opacity: .4; }
.aai-row-am { color: rgba(242,208,107,.55); font-weight: 700; }
.aai-row-grade {
  font-size: .57rem;
  font-weight: 800;
  padding: .08rem .3rem;
  border-radius: 3px;
}

/* Highlight */
.aai-highlight {
  background: rgba(242,208,107,.2);
  color: var(--aai-gold);
  border-radius: 2px;
}

/* Empty state */
.aai-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--aai-text3);
}
.aai-empty-icon { font-size: 2rem; margin-bottom: .75rem; opacity: .3; }
.aai-empty-msg  { font-size: .9rem; color: var(--aai-text2); font-weight: 600; }
.aai-empty-sub  { font-size: .75rem; margin-top: .35rem; }

/* Skeleton rows */
.aai-sk-row {
  display: flex; gap: .75rem; align-items: flex-start;
  padding: .75rem .9rem; border-bottom: 1px solid var(--aai-border);
  animation: aaiPulse 1.4s ease-in-out infinite;
}
@keyframes aaiPulse { 0%,100%{opacity:.5}50%{opacity:.25} }
.aai-sk-thumb { width:58px; height:44px; border-radius:5px; background:rgba(255,255,255,.07); flex-shrink:0; }
.aai-sk-lines { flex:1; }
.aai-sk-t1 { height:12px; background:rgba(255,255,255,.07); border-radius:3px; margin-bottom:6px; width:85%; }
.aai-sk-t2 { height:10px; background:rgba(255,255,255,.05); border-radius:3px; width:55%; }

/* Load more */
.aai-load-more-row {
  padding: .9rem;
  text-align: center;
  border-top: 1px solid var(--aai-border);
  flex-shrink: 0;
}
.aai-load-more {
  background: rgba(242,208,107,.07);
  border: 1px solid rgba(242,208,107,.2);
  color: rgba(242,208,107,.78);
  border-radius: 7px;
  padding: .48rem 1.6rem;
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--aai-tr);
  letter-spacing: .04em;
}
.aai-load-more:hover {
  background: rgba(242,208,107,.14);
  color: var(--aai-gold);
}
.aai-load-more:disabled { opacity: .4; cursor: not-allowed; }

/* ── COLUMN 3: PREVIEW PANE ── */
.aai-preview-col {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(170deg,#0d1525,#07090f);
}
.aai-preview-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 2rem;
  text-align: center;
  color: var(--aai-text3);
}
.aai-preview-empty-state .aai-empty-icon { font-size: 2.5rem; opacity: .2; margin-bottom: 1rem; }
.aai-preview-empty-state p { font-size: .78rem; line-height: 1.6; }
.aai-preview-empty-state strong { color: var(--aai-text2); }

/* Preview content */
.aai-preview-content { display: none; flex-direction: column; height: 100%; overflow-y: auto; }
.aai-preview-content.visible { display: flex; }
.aai-preview-content::-webkit-scrollbar { width: 4px; }
.aai-preview-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

.aai-prev-img-wrap {
  position: relative;
  height: 180px;
  flex-shrink: 0;
  overflow: hidden;
}
.aai-prev-img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.aai-prev-img-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem; opacity: .25;
}
.aai-prev-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(6,9,19,.92) 100%);
  pointer-events: none;
}
.aai-prev-cat-badge {
  position: absolute;
  bottom: 10px; left: 12px;
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: .14rem .42rem;
  border-radius: 999px;
  font-family: ui-monospace, monospace;
}

/* Preview body */
.aai-prev-body { padding: .9rem 1.1rem; flex: 1; }
.aai-prev-title {
  font-size: .98rem;
  font-weight: 800;
  color: var(--aai-text);
  line-height: 1.35;
  margin: 0 0 .6rem;
}
.aai-prev-meta {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  font-size: .63rem;
  color: var(--aai-text3);
  font-family: ui-monospace, monospace;
  margin-bottom: .75rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid var(--aai-border);
}
.aai-prev-meta-sep { opacity: .4; }
.aai-prev-grade {
  font-size: .6rem;
  font-weight: 800;
  padding: .1rem .3rem;
  border-radius: 3px;
}
.aai-grade-conclusive { background:rgba(48,209,88,.18);  color:#30d158; }
.aai-grade-a          { background:rgba(242,208,107,.18);color:#f2d06b; }
.aai-grade-b          { background:rgba(90,200,250,.18); color:#5ac8fa; }
.aai-grade-c          { background:rgba(255,159,10,.18); color:#ff9f0a; }
.aai-grade-circ       { background:rgba(255,255,255,.09);color:rgba(224,232,248,.5); }

.aai-prev-verdict {
  margin: 0 0 .75rem;
  padding: .55rem .75rem;
  border-left: 3px solid var(--aai-gold2);
  background: rgba(242,208,107,.06);
  border-radius: 0 6px 6px 0;
  font-size: .8rem;
  font-style: italic;
  color: rgba(242,208,107,.78);
  line-height: 1.55;
}
.aai-prev-excerpt {
  font-size: .82rem;
  line-height: 1.68;
  color: var(--aai-text2);
  margin-bottom: 1rem;
}

/* Action buttons */
.aai-prev-actions {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
  padding: 0 1.1rem 1.1rem;
}
.aai-prev-read {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  padding: .6rem 1.2rem;
  background: var(--aai-gold);
  color: #050810;
  font-weight: 800;
  font-size: .82rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--aai-tr);
  flex: 1;
  font-family: inherit;
}
.aai-prev-read:hover { background: #e0bc55; transform: translateY(-1px); }

.aai-prev-open {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .6rem .9rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--aai-text2);
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--aai-tr);
  font-family: inherit;
}
.aai-prev-open:hover { background: rgba(255,255,255,.12); color: var(--aai-text); }

/* Related */
.aai-prev-related { border-top: 1px solid var(--aai-border); padding: .75rem 1.1rem 1rem; }
.aai-prev-related-title {
  font-size: .58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--aai-text3);
  font-family: ui-monospace, monospace;
  margin-bottom: .55rem;
}
.aai-related-row {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
  padding: .4rem 0;
  cursor: pointer;
  transition: opacity var(--aai-tr);
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.aai-related-row:hover { opacity: .75; }
.aai-related-row:last-child { border-bottom: none; }
.aai-related-thumb {
  width: 44px; height: 34px;
  border-radius: 4px;
  flex-shrink: 0;
  overflow: hidden;
  background: rgba(255,255,255,.05);
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem;
}
.aai-related-thumb img { width:100%;height:100%;object-fit:cover; }
.aai-related-info { flex: 1; min-width: 0; }
.aai-related-ttl {
  font-size: .76rem;
  font-weight: 600;
  color: var(--aai-text2);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.aai-related-cat { font-size: .6rem; color: var(--aai-text3); font-family: ui-monospace, monospace; margin-top: .1rem; }

/* Mobile: cat/preview toggle buttons */
.aai-mobile-bar {
  display: none;
  gap: .5rem;
  padding: .6rem .9rem;
  border-bottom: 1px solid var(--aai-border);
  background: var(--aai-surf);
  flex-shrink: 0;
}
@media (max-width: 820px) {
  .aai-mobile-bar { display: flex; }
}
.aai-mobile-btn {
  flex: 1;
  padding: .4rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 6px;
  color: var(--aai-text2);
  font-size: .74rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--aai-tr);
}
.aai-mobile-btn:hover { background: rgba(255,255,255,.1); }
.aai-mobile-close {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  color: var(--aai-text2);
  border-radius: 50%;
  width: 28px; height: 28px;
  cursor: pointer;
  font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
}