/* ============================================================
   FORGE ATLAS · v10 · FORUM SYSTEM
   Unified styles for AI Forum, User Forum (Town Square),
   thread view, composer, avatar system, badges, ranks.
   ============================================================ */

/* ============================================================
   FORUM HEAD — the masthead bar above any forum
   ============================================================ */
.forum-head{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:var(--s-4);
  align-items:center;
  padding:18px 22px;
  border:1px solid var(--line-gold);
  background:linear-gradient(135deg,rgba(212,168,67,.05),rgba(0,0,0,.20));
  margin-bottom:24px;
  position:relative;
  overflow:hidden;
}
.forum-head::before{
  content:"";
  position:absolute; top:0; left:-100%; height:1px; width:60%;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  animation:tileSweep 8s linear infinite;
}
.forum-head-mark{
  display:grid; place-items:center;
  width:48px; height:48px;
  border:1px solid var(--gold);
  background:rgba(0,0,0,.40);
  font-family:var(--font-display);
  font-weight:600;
  font-size:22px;
  color:var(--gold);
}
.forum-head-title{
  font-family:var(--font-display);
  font-weight:500;
  font-size:24px;
  color:var(--fg);
  letter-spacing:-.01em;
  line-height:1.1;
  margin:0;
}
.forum-head-sub{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted-2);
  text-transform:uppercase;
  margin-top:4px;
}
.forum-head-stats{
  display:flex;
  gap:18px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--muted);
}
.forum-head-stats strong{ color:var(--gold); font-weight:500; }
@media (max-width:720px){
  .forum-head{ grid-template-columns:auto 1fr; }
  .forum-head-stats{ grid-column:1/-1; padding-top:8px; border-top:1px solid var(--line); }
}

/* ============================================================
   FORUM TOOLBAR — search + filters + compose
   ============================================================ */
.forum-toolbar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  padding:14px 0;
  margin-bottom:20px;
  border-bottom:1px solid var(--line-2);
}
.forum-search{
  flex:1; min-width:200px;
  position:relative;
}
.forum-search input{
  width:100%;
  background:rgba(0,0,0,.40);
  border:1px solid var(--line-2);
  color:var(--fg);
  padding:9px 14px 9px 36px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  border-radius:3px;
  transition:border-color .2s var(--ease);
}
.forum-search input:focus{ outline:none; border-color:var(--gold); }
.forum-search::before{
  content:"⌕";
  position:absolute; left:12px; top:50%;
  transform:translateY(-50%);
  color:var(--muted-2);
  font-size:14px;
  pointer-events:none;
}
.forum-cats{
  display:flex; gap:6px; flex-wrap:wrap;
}
.forum-cat{
  padding:7px 12px;
  background:rgba(0,0,0,.40);
  border:1px solid var(--line-2);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.10em;
  text-transform:uppercase;
  cursor:pointer;
  border-radius:3px;
  transition:all .15s var(--ease);
}
.forum-cat:hover{ border-color:var(--gold); color:var(--gold); }
.forum-cat.active{
  background:var(--gold); color:var(--bg); border-color:var(--gold);
  font-weight:500;
}
.forum-compose-btn{
  padding:9px 16px;
  background:var(--gold); color:var(--bg);
  border:none; cursor:pointer;
  font-family:var(--font-mono); font-weight:600;
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  border-radius:3px;
  display:inline-flex; align-items:center; gap:6px;
  transition:background .15s var(--ease);
}
.forum-compose-btn:hover{ background:var(--gold-bright); }

/* ============================================================
   THREAD CARDS — list view
   ============================================================ */
.thread-list{
  display:flex; flex-direction:column;
  border-top:1px solid var(--line-2);
}
.thread-row{
  display:grid;
  grid-template-columns:auto 1fr auto auto;
  gap:18px;
  padding:18px 14px;
  border-bottom:1px solid var(--line);
  cursor:pointer;
  transition:background .15s var(--ease);
  position:relative;
}
.thread-row:hover{
  background:linear-gradient(90deg,rgba(212,168,67,.04),transparent);
}
.thread-row.pinned{
  background:rgba(212,168,67,.03);
  border-left:2px solid var(--gold);
}
.thread-row.unanswered{
  border-left:2px solid var(--amber);
}
.thread-row.atlas-answered{
  border-left:2px solid var(--cyan);
}
.thread-row.atlas-answered::before{
  content:"⚡";
  position:absolute; top:18px; right:14px;
  color:var(--cyan); font-size:12px;
}

.thread-avatar-stack{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  min-width:44px;
}
.thread-avatar-stack .avatar{
  width:38px; height:38px;
}
.thread-avatar-stack .rank-pip{
  width:6px; height:6px; border-radius:50%;
  margin-top:2px;
}

.thread-body{ min-width:0; }
.thread-cat-tag{
  display:inline-block;
  padding:2px 8px;
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  border:1px solid var(--line-2);
  color:var(--muted-2);
  border-radius:2px;
  margin-bottom:5px;
}
.thread-cat-tag.hot{ color:var(--rose); border-color:var(--rose); }
.thread-cat-tag.featured{ color:var(--gold); border-color:var(--gold); background:rgba(212,168,67,.06); }

.thread-title{
  font-family:var(--font-display);
  font-weight:500;
  font-size:16px;
  color:var(--fg);
  line-height:1.35;
  margin-bottom:5px;
  overflow:hidden;
  text-overflow:ellipsis;
}
.thread-row:hover .thread-title{ color:var(--gold); }
.thread-meta{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.04em;
  color:var(--muted-2);
}
.thread-meta .author{ color:var(--muted); }
.thread-meta .author .callsign{ color:var(--fg); }

.thread-stats{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  justify-content:center;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.04em;
  color:var(--muted);
  gap:4px;
  min-width:68px;
}
.thread-stats strong{
  color:var(--fg);
  font-size:14px;
  font-weight:500;
}

.thread-last-activity{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  justify-content:center;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.04em;
  color:var(--muted-2);
  min-width:90px;
}
.thread-last-activity .when{ color:var(--muted); }

@media (max-width:760px){
  .thread-row{ grid-template-columns:auto 1fr; }
  .thread-stats, .thread-last-activity{
    grid-column:1/-1;
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:16px;
    padding-top:6px;
    border-top:1px dashed var(--line);
    min-width:0;
  }
}

/* ============================================================
   AVATAR SYSTEM — used everywhere
   ============================================================ */
.avatar{
  width:32px; height:32px;
  border-radius:50%;
  display:grid; place-items:center;
  font-family:var(--font-display);
  font-weight:600;
  font-size:14px;
  color:var(--bg);
  background:var(--accent,linear-gradient(135deg,var(--gold-bright),var(--gold)));
  border:1px solid rgba(255,255,255,.08);
  position:relative;
  overflow:hidden;
  flex-shrink:0;
}
.avatar.size-lg{ width:64px; height:64px; font-size:24px; border-width:2px; }
.avatar.size-xl{ width:96px; height:96px; font-size:36px; border-width:2px; }

.avatar svg{ width:100%; height:100%; display:block; }

.avatar.atlas{
  background:linear-gradient(135deg, #7eeaff, #4dd0e1);
  color:#06121a;
}
.avatar.atlas::after{
  content:""; position:absolute; inset:0;
  border-radius:50%;
  box-shadow:inset 0 0 0 1px rgba(126,234,255,.50);
  animation:atlasGlow 3s ease-in-out infinite;
}
@keyframes atlasGlow{ 0%,100%{box-shadow:inset 0 0 0 1px rgba(126,234,255,.50)} 50%{box-shadow:inset 0 0 0 2px rgba(126,234,255,.85),0 0 12px rgba(126,234,255,.40)} }

/* Identicon — procedural avatar SVG colors */
.avatar.identicon{ padding:0; }

/* Rank pips next to avatars */
.rank-pip{
  width:8px; height:8px; border-radius:50%;
  display:inline-block;
}
.rank-pip[data-rank="initiate"]{ background:#888; }
.rank-pip[data-rank="operator"]{ background:var(--cyan); box-shadow:0 0 4px var(--cyan); }
.rank-pip[data-rank="architect"]{ background:var(--violet); box-shadow:0 0 4px var(--violet); }
.rank-pip[data-rank="strategist"]{ background:var(--amber); box-shadow:0 0 4px var(--amber); }
.rank-pip[data-rank="founder"]{ background:var(--gold); box-shadow:0 0 6px var(--gold); }

/* ============================================================
   THREAD VIEW — single thread page
   ============================================================ */
.thread-detail{
  border:1px solid var(--line);
  background:rgba(0,0,0,.20);
  padding:24px;
  margin-bottom:18px;
  position:relative;
}
.thread-detail-head{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:16px;
}
.thread-detail-meta{ flex:1; min-width:0; }
.thread-detail-title{
  font-family:var(--font-display);
  font-weight:500;
  font-size:22px;
  color:var(--fg);
  line-height:1.3;
  margin:0 0 8px;
  letter-spacing:-.005em;
}
.thread-detail-author{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--muted-2);
}
.thread-detail-author .callsign{ color:var(--fg); }
.thread-detail-author .rank-label{
  text-transform:uppercase;
  color:var(--muted);
  letter-spacing:.10em;
}
.thread-detail-body{
  font-size:15px;
  line-height:1.7;
  color:var(--fg-soft);
}
.thread-detail-body p{ margin-bottom:14px; }
.thread-detail-body p:last-child{ margin-bottom:0; }

.thread-detail-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
}
.thread-action{
  padding:6px 12px;
  background:transparent;
  border:1px solid var(--line-2);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.10em;
  text-transform:uppercase;
  cursor:pointer;
  border-radius:3px;
  transition:all .15s var(--ease);
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.thread-action:hover{ border-color:var(--gold); color:var(--gold); }
.thread-action.reacted{ background:rgba(212,168,67,.10); border-color:var(--gold); color:var(--gold); }
.thread-action .count{ color:var(--muted-2); font-weight:500; }
.thread-action.reacted .count{ color:var(--gold); }

/* Reply blocks */
.reply{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.reply:last-child{ border-bottom:none; }
.reply.atlas-reply{
  background:linear-gradient(90deg,rgba(126,234,255,.04),transparent);
  border-left:2px solid var(--cyan);
  padding-left:16px;
  margin-left:-16px;
}
.reply-body{ min-width:0; }
.reply-author-row{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:8px;
  font-family:var(--font-mono);
  font-size:11px;
}
.reply-callsign{
  color:var(--fg);
  font-weight:500;
  letter-spacing:.02em;
}
.reply.atlas-reply .reply-callsign{ color:var(--cyan); }
.reply-rank{
  color:var(--muted-2);
  letter-spacing:.10em;
  text-transform:uppercase;
}
.reply-when{
  color:var(--muted-2);
  letter-spacing:.04em;
  margin-left:auto;
}
.reply-content{
  font-size:14.5px;
  line-height:1.7;
  color:var(--fg-soft);
}
.reply-content p{ margin-bottom:10px; }
.reply-content p:last-child{ margin-bottom:0; }

.atlas-badge-inline{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:2px 8px;
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  background:rgba(126,234,255,.10);
  color:var(--cyan);
  border:1px solid rgba(126,234,255,.30);
  border-radius:2px;
}
.atlas-badge-inline::before{
  content:""; width:5px; height:5px; border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 4px var(--cyan);
}

/* ============================================================
   COMPOSER — new thread / reply
   ============================================================ */
.composer{
  border:1px solid var(--line-gold);
  background:linear-gradient(180deg,rgba(212,168,67,.04),rgba(0,0,0,.30));
  padding:20px;
  margin:20px 0;
  display:none;
}
.composer.open{ display:block; animation:tabFade .25s var(--ease); }
.composer label{
  display:block;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--muted-2);
  text-transform:uppercase;
  margin-bottom:6px;
  margin-top:14px;
}
.composer label:first-child{ margin-top:0; }
.composer input[type="text"],
.composer textarea,
.composer select{
  width:100%;
  background:rgba(0,0,0,.40);
  border:1px solid var(--line-2);
  color:var(--fg);
  padding:10px 14px;
  font-family:var(--font-body);
  font-size:14px;
  border-radius:3px;
  transition:border-color .15s var(--ease);
  resize:vertical;
}
.composer input:focus,
.composer textarea:focus,
.composer select:focus{ outline:none; border-color:var(--gold); }
.composer textarea{ min-height:120px; line-height:1.6; }
.composer .composer-row{
  display:flex; gap:10px; flex-wrap:wrap; align-items:flex-end;
}
.composer .composer-row > *{ flex:1; min-width:140px; }
.composer-foot{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  gap:10px;
  flex-wrap:wrap;
}
.composer-charcount{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.06em;
  color:var(--muted-2);
}
.composer-charcount.over{ color:var(--rose); }
.composer-submit{
  padding:9px 18px;
  background:var(--gold); color:var(--bg);
  border:none; cursor:pointer;
  font-family:var(--font-mono); font-weight:600;
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  border-radius:3px;
  transition:background .15s var(--ease);
}
.composer-submit:hover:not(:disabled){ background:var(--gold-bright); }
.composer-submit:disabled{ opacity:.4; cursor:not-allowed; }

.composer-as-guest-note{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.04em;
  color:var(--muted-2);
  line-height:1.5;
}
.composer-as-guest-note a{ color:var(--gold); }

/* ============================================================
   ATLAS RESCUE BANNER — when a thread is being addressed by Atlas
   ============================================================ */
.atlas-rescue-banner{
  background:linear-gradient(90deg,rgba(126,234,255,.06),rgba(0,0,0,.20));
  border:1px solid rgba(126,234,255,.30);
  padding:12px 16px;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--cyan);
}
.atlas-rescue-banner::before{
  content:"⚡";
  font-size:16px;
  flex-shrink:0;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.forum-empty{
  text-align:center;
  padding:48px 24px;
  color:var(--muted);
  font-family:var(--font-display);
  font-style:italic;
}
.forum-empty p{ max-width:42ch; margin:0 auto 12px; }
.forum-empty .glyph{
  font-size:36px;
  color:var(--gold);
  opacity:.5;
  margin-bottom:14px;
  letter-spacing:-.05em;
}

/* ============================================================
   PINNED — featured threads area
   ============================================================ */
.forum-pinned{
  border:1px dashed var(--line-gold);
  background:rgba(212,168,67,.02);
  padding:14px 18px;
  margin-bottom:18px;
}
.forum-pinned-head{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
}
.forum-pinned-head::before{
  content:"📌";
  font-size:11px;
}

@media (prefers-reduced-motion: reduce){
  .forum-head::before, .avatar.atlas::after{ animation:none !important; }
}