/* ── HEADER ─────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px;
  height: 44px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── BREADCRUMB ──────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  min-width: 0;
  flex: 1;
  overflow: hidden;
}

.crumb-link,
.crumb-btn,
.crumb-entity {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 4px 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-radius: 5px;
  flex-shrink: 0;
}

.crumb-link {
  color: var(--text-muted);
  text-decoration: none;
  transition:
    background 0.12s,
    color 0.12s;
}

.crumb-link:hover {
  background: var(--surface2);
  color: var(--text);
}

.crumb-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition:
    background 0.12s,
    color 0.12s;
  max-width: 240px;
}

.crumb-btn:hover {
  background: var(--surface2);
  color: var(--text);
}

.crumb-entity {
  color: var(--text-muted);
  max-width: 200px;
}

.crumb-entity:hover {
  color: var(--text);
}

/* Активный (текущий) элемент навигации */
.crumb-btn.active,
.crumb-entity.active {
  color: var(--text);
}

.crumb-sep {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
  opacity: 0.4;
  padding: 0 2px;
}

/* ── HEADER RIGHT ────────────────────────────────────────── */
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.tab-group {
  display: flex;
  gap: 3px;
  background: var(--bg);
  padding: 3px;
  border-radius: 8px;
}

.tab-btn {
  padding: 4px 13px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-muted);
  transition: all 0.12s;
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
}

.tab-btn:hover:not(.active) {
  background: var(--border);
  color: var(--text);
}

select.ctrl,
button.ctrl {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.12s;
}

button.ctrl:hover {
  background: var(--accent2);
  color: #fff;
}

/* Loading state for buttons - conic-gradient border with mask */
button.ctrl.loading {
  position: relative;
  pointer-events: none;
  cursor: not-allowed;
  overflow: hidden;
  border-color: transparent; /* hide default border */
  z-index: 0;
}

/* Large rotating gradient - positioned behind everything */
button.ctrl.loading::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent 0deg, transparent 270deg, var(--accent) 360deg);
  animation: rotate-border 1s linear infinite;
  z-index: -2;
}

/* Mask covering center - uses button's original background color */
button.ctrl.loading::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: inherit;
  border-radius: inherit;
  z-index: -1;
}

@keyframes rotate-border {
  to {
    transform: rotate(360deg);
  }
}

#auth-area {
  display: flex;
  align-items: center;
  gap: 6px;
}

#user-info {
  display: none;
  align-items: center;
  gap: 6px;
}

#user-info.visible {
  display: flex;
}

#user-name {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.theme-switcher {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.theme-btn {
  border: none;
  background: transparent;
  padding: 3px 7px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: background 0.12s;
}

.theme-btn:hover {
  background: var(--border);
}

.theme-btn.active {
  background: var(--accent2);
}

.depth-picker {
  display: flex;
  gap: 4px;
}

.depth-btn {
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  transition:
    background 0.1s,
    border-color 0.1s;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.depth-btn:hover {
  background: var(--border);
  color: var(--text);
}

.depth-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 2px rgb(233 69 96 / 35%);
}

/* ── GLOBAL SEARCH ────────────────────────────────────────────── */
.global-search {
  height: 28px;
  padding: 4px 8px;
  padding-right: 2rem; /* Space for clear button */
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  min-width: 180px;
  transition:
    border-color 0.12s,
    box-shadow 0.12s;
}

.global-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgb(233 69 96 / 15%);
}

.global-search::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.global-search-clear {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  transition:
    color 0.12s,
    background 0.12s;
  width: 18px;
  height: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.global-search-clear:hover {
  color: var(--text);
  background: var(--border);
}