/* ============================================================
   LIBRETIME UI — Tabs Component
   lt-tabs.css
   ============================================================ */

/* ── Base tabs wrapper ────────────────────────────────────── */
.lt-tabs {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ── Nav bar ──────────────────────────────────────────────── */
.lt-tabs-nav {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}
.lt-tabs-nav::-webkit-scrollbar { display: none; }

/* ── Animated sliding indicator (line style) ─────────────── */
.lt-tabs-indicator {
  position: absolute;
  bottom: 0;
  height: 2px;
  background: var(--lt-accent);
  border-radius: 2px 2px 0 0;
  transition: left var(--lt-duration) var(--lt-ease),
              width var(--lt-duration) var(--lt-ease);
  pointer-events: none;
}

/* ── Tab buttons ──────────────────────────────────────────── */
.lt-tab-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  font-family: var(--lt-font);
  font-size: 13px;
  font-weight: 500;
  color: var(--lt-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: color var(--lt-duration) var(--lt-ease);
  outline: none;
  user-select: none;
  line-height: 1;
}

.lt-tab-btn:hover { color: var(--lt-text); }
.lt-tab-btn.is-active { color: var(--lt-accent); }

.lt-tab-btn:focus-visible {
  outline: 2px solid var(--lt-accent);
  outline-offset: -2px;
  border-radius: var(--lt-radius-sm);
}

/* Badge / count inside tab */
.lt-tab-badge {
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 99px;
  background: var(--lt-surface-3);
  color: var(--lt-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  transition: background var(--lt-duration), color var(--lt-duration);
}
.lt-tab-btn.is-active .lt-tab-badge {
  background: var(--lt-accent-dim);
  color: var(--lt-accent);
}

/* ══ STYLE: line (default) ══════════════════════════════════ */
.lt-tabs-line .lt-tabs-nav {
  border-bottom: 1px solid var(--lt-border);
}

/* ══ STYLE: pills ═══════════════════════════════════════════ */
.lt-tabs-pills .lt-tabs-nav {
  gap: 0.3rem;
  padding: 0.3rem;
  background: var(--lt-surface-2);
  border-radius: var(--lt-radius);
  border: 1px solid var(--lt-border);
  width: fit-content;
}

.lt-tabs-pills .lt-tab-btn {
  border-radius: var(--lt-radius-sm);
  padding: 0.42rem 0.9rem;
  font-size: 12px;
  transition: color var(--lt-duration), background var(--lt-duration);
}

.lt-tabs-pills .lt-tab-btn.is-active {
  background: var(--lt-accent);
  color: #fff !important;
  box-shadow: 0 2px 8px rgba(77,143,209,0.35);
}
.lt-tabs-pills .lt-tab-btn.is-active .lt-tab-badge {
  background: rgba(255,255,255,0.25);
  color: #fff;
}
.lt-tabs-pills .lt-tabs-indicator { display: none; }

/* ══ STYLE: cards ═══════════════════════════════════════════ */
.lt-tabs-cards .lt-tabs-nav {
  gap: 0.3rem;
}

.lt-tabs-cards .lt-tab-btn {
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--lt-radius-sm) var(--lt-radius-sm) 0 0;
  background: transparent;
  padding: 0.55rem 1rem;
  margin-bottom: -1px;
  position: relative;
  z-index: 1;
  transition: color var(--lt-duration), background var(--lt-duration), border-color var(--lt-duration);
}

.lt-tabs-cards .lt-tab-btn:hover {
  background: var(--lt-surface-2);
  border-color: var(--lt-border);
}

.lt-tabs-cards .lt-tab-btn.is-active {
  background: var(--lt-surface);
  border-color: var(--lt-border);
  color: var(--lt-accent);
}

.lt-tabs-cards .lt-tabs-nav {
  border-bottom: 1px solid var(--lt-border);
}
.lt-tabs-cards .lt-tabs-indicator { display: none; }

/* ── Panels ───────────────────────────────────────────────── */
.lt-tabs-body {
  position: relative;
  flex: 1;
  min-height: 0;
}

.lt-tab-panel {
  display: none;
}

.lt-tab-panel.is-active {
  display: block;
  animation: lt-tab-in 200ms var(--lt-ease) both;
}

@keyframes lt-tab-in {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* With padding (add .lt-tabs-padded) */
.lt-tabs-padded .lt-tab-panel.is-active {
  padding-top: 1.25rem;
}

/* Inside a panel/modal — no top padding needed */
.lt-panel-body .lt-tabs-padded .lt-tab-panel.is-active {
  padding-top: 1rem;
}

/* ── Vertical tabs (optional) ─────────────────────────────── */
.lt-tabs-vertical {
  flex-direction: row;
  gap: 1.25rem;
}

.lt-tabs-vertical .lt-tabs-nav {
  flex-direction: column;
  align-items: flex-start;
  width: 160px;
  flex-shrink: 0;
  border-bottom: none;
  border-right: 1px solid var(--lt-border);
  padding-right: 0;
  overflow: visible;
}

.lt-tabs-vertical.lt-tabs-line .lt-tabs-indicator {
  bottom: auto;
  left: auto;
  right: -1px;
  width: 2px !important;
  height: 0;
  border-radius: 2px 0 0 2px;
  transition: top var(--lt-duration) var(--lt-ease),
              height var(--lt-duration) var(--lt-ease);
}

.lt-tabs-vertical .lt-tab-btn {
  width: 100%;
  justify-content: flex-start;
  padding: 0.55rem 0.9rem;
  border-radius: var(--lt-radius-sm) 0 0 var(--lt-radius-sm);
}

.lt-tabs-vertical .lt-tab-btn.is-active {
  background: var(--lt-accent-dim);
}