/* ════════════════════════════════════════
   layout.css — main، topbar، tabs، content
   ════════════════════════════════════════ */

/* ─── محتوای اصلی ─── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ─── topbar ─── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
}
.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-left  { display: flex; align-items: center; gap: 8px; }

/* ─── دکمه‌های عمومی ─── */
.btn-primary {
  display: flex; align-items: center; gap: 6px;
  background: var(--text-primary);
  color: #000;
  border: none; border-radius: 9px;
  padding: 7px 14px;
  font-size: 12px; font-weight: 600;
  cursor: pointer; font-family: inherit;
  transition: opacity 0.15s;
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.85; }
.btn-primary i { font-size: 14px; }

.btn-outline {
  display: flex; align-items: center; gap: 6px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 7px 14px;
  font-size: 12px; font-weight: 500;
  cursor: pointer; font-family: inherit;
  transition: all 0.15s;
}
.btn-outline:hover { border-color: var(--border-hover); color: var(--text-primary); }

.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  font-size: 18px;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-secondary); border-color: var(--border); }

/* ─── انتخاب مدل ─── */
.model-selector {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 6px 12px;
  cursor: pointer; font-size: 12px;
  color: var(--text-secondary);
  transition: all 0.15s; white-space: nowrap;
}
.model-selector:hover { border-color: var(--border-hover); color: var(--text-primary); }
.model-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--openai); flex-shrink: 0; }

/* ─── تب‌ها ─── */
.tabs-wrap {
  border-bottom: 1px solid var(--border);
  padding: 0 24px; flex-shrink: 0;
  overflow-x: auto; scrollbar-width: none;
}
.tabs-wrap::-webkit-scrollbar { display: none; }
.tabs { display: flex; gap: 2px; width: max-content; }

.tab {
  padding: 10px 14px; font-size: 12px;
  color: var(--text-muted); cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s; white-space: nowrap; user-select: none;
}
.tab:hover       { color: var(--text-secondary); }
.tab.active      { color: var(--text-primary); border-bottom-color: var(--text-primary); }

/* ─── محتوا ─── */
.content {
  flex: 1; overflow-y: auto;
  padding: 28px 28px 16px;
  scrollbar-width: thin; scrollbar-color: var(--bg-hover) transparent;
}
.content::-webkit-scrollbar       { width: 4px; }
.content::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 4px; }

.section-head  { margin-bottom: 18px; }
.section-title { font-size: 17px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.section-sub   { font-size: 12px; color: var(--text-muted); }

/* ─── نوار مدل فعال ─── */
.active-model-strip {
  display: none; align-items: center; gap: 10px;
  padding: 8px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-base); flex-shrink: 0;
}
.active-model-strip.show { display: flex; }
.strip-icon   { width: 22px; height: 22px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; }
.strip-name   { font-size: 12px; color: var(--text-secondary); }
.strip-name strong { color: var(--text-primary); font-weight: 600; }
.strip-change {
  margin-right: auto; font-size: 11px;
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; gap: 4px;
}
.strip-change:hover { color: var(--text-secondary); }

/* ─── صفحات اضافی ─── */
.extra-page {
  flex: 1; overflow-y: auto;
  display: none; flex-direction: column;
  scrollbar-width: thin; scrollbar-color: var(--bg-hover) transparent;
}
.extra-page.active { display: flex; }