/* ultitabs — default styles */

[data-ut-section] {
  --ut-indicator-color: #3b82f6;
  --ut-indicator-height: 2px;
  --ut-indicator-radius: 0;
  --ut-indicator-duration: 250ms;
  --ut-indicator-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ut-tab-color: #6b7280;
  --ut-tab-active-color: #111827;
  --ut-tab-gap: 0;
  --ut-tab-padding: 0.625rem 1rem;
  --ut-tab-font-size: 0.875rem;
  --ut-tab-font-weight: 500;
}

/* Tab list */
[data-ut-list] {
  position: relative;
  display: flex;
  gap: var(--ut-tab-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Justify content */
[data-ut-justify="start"]   { justify-content: flex-start; }
[data-ut-justify="center"]  { justify-content: center; }
[data-ut-justify="end"]     { justify-content: flex-end; }
[data-ut-justify="between"] { justify-content: space-between; }
[data-ut-justify="around"]  { justify-content: space-around; }
[data-ut-justify="evenly"]  { justify-content: space-evenly; }

/* Indicator pseudo-element — base */
[data-ut-list]::after {
  content: "";
  position: absolute;
  pointer-events: none;
  transition-duration: var(--ut-indicator-duration);
  transition-timing-function: var(--ut-indicator-ease);
}

/* Tab button */
[data-ut-tab] {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--ut-tab-padding);
  border: none;
  background: none;
  font-family: inherit;
  font-size: var(--ut-tab-font-size);
  font-weight: var(--ut-tab-font-weight);
  color: var(--ut-tab-color);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--ut-indicator-duration) var(--ut-indicator-ease);
  -webkit-tap-highlight-color: transparent;
}

[data-ut-tab]:focus-visible {
  outline: 2px solid var(--ut-indicator-color);
  outline-offset: -2px;
  border-radius: 4px;
}

[data-ut-tab][data-ut-active] {
  color: var(--ut-tab-active-color);
}

/* Panel */
[data-ut-panel] {
  outline: none;
}

[data-ut-panel][hidden] {
  display: none;
}

/* ── Variant: underline ── */
[data-ut-variant="underline"] [data-ut-list] {
  border-block-end: 1px solid #e5e7eb;
}

[data-ut-variant="underline"] [data-ut-list]::after {
  inset-block-end: 0;
  inset-block-start: auto;
  inset-inline-start: var(--ut-indicator-left, 0);
  inset-inline-end: auto;
  width: var(--ut-indicator-width, 0);
  height: var(--ut-indicator-height);
  background: var(--ut-indicator-color);
  border-radius: var(--ut-indicator-radius);
  transition-property: inset-inline-start, width;
}

/* ── Variant: pill ── */
[data-ut-variant="pill"] {
  --ut-indicator-radius: 9999px;
  --ut-tab-gap: 4px;
}

[data-ut-variant="pill"] [data-ut-list] {
  background: #f3f4f6;
  border-radius: 9999px;
  padding: 4px;
}

[data-ut-variant="pill"] [data-ut-list]::after {
  inset-block-start: var(--ut-indicator-top, 0);
  inset-block-end: auto;
  inset-inline-start: var(--ut-indicator-left, 0);
  inset-inline-end: auto;
  width: var(--ut-indicator-width, 0);
  height: var(--ut-indicator-height-val, 0);
  background: #fff;
  border-radius: var(--ut-indicator-radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 0;
  transition-property: inset-inline-start, inset-block-start, width, height;
}

[data-ut-variant="pill"] [data-ut-tab] {
  position: relative;
  z-index: 1;
  border-radius: 9999px;
}

/* ── Variant: bordered ── */
[data-ut-variant="bordered"] {
  --ut-indicator-radius: 6px 6px 0 0;
}

[data-ut-variant="bordered"] [data-ut-list] {
  border-block-end: 1px solid #e5e7eb;
}

[data-ut-variant="bordered"] [data-ut-list]::after {
  inset-block-end: 0;
  inset-block-start: auto;
  inset-inline-start: var(--ut-indicator-left, 0);
  inset-inline-end: auto;
  width: var(--ut-indicator-width, 0);
  height: var(--ut-indicator-height);
  background: var(--ut-indicator-color);
  border-radius: var(--ut-indicator-radius);
  transition-property: inset-inline-start, width;
}

[data-ut-variant="bordered"] [data-ut-tab][data-ut-active] {
  border: 1px solid #e5e7eb;
  border-block-end-color: transparent;
  border-start-start-radius: 6px;
  border-start-end-radius: 6px;
  border-end-start-radius: 0;
  border-end-end-radius: 0;
  margin-block-end: -1px;
  background: var(--ut-panel-bg, #fff);
}

/* ── Orientation: vertical ── (must come AFTER variant rules to win the cascade) */
[data-ut-orientation="vertical"] {
  display: flex;
  align-items: stretch;
}

[data-ut-orientation="vertical"][data-ut-side="right"] {
  flex-direction: row-reverse;
}

[data-ut-orientation="vertical"] [data-ut-list] {
  flex-direction: column;
  flex-shrink: 0;
}

[data-ut-orientation="vertical"] [data-ut-panel] {
  flex: 1;
  min-width: 0;
}

/* Vertical indicator — side="left": indicator on inline-end edge of list */
[data-ut-orientation="vertical"][data-ut-side="left"] [data-ut-list]::after {
  inset-block-start: var(--ut-indicator-top, 0);
  inset-block-end: auto;
  inset-inline-start: auto;
  inset-inline-end: 0;
  width: var(--ut-indicator-height);
  height: var(--ut-indicator-height-val, 0);
  transition-property: inset-block-start, height;
}

/* Vertical indicator — side="right": indicator on inline-start edge of list */
[data-ut-orientation="vertical"][data-ut-side="right"] [data-ut-list]::after {
  inset-block-start: var(--ut-indicator-top, 0);
  inset-block-end: auto;
  inset-inline-start: 0;
  inset-inline-end: auto;
  width: var(--ut-indicator-height);
  height: var(--ut-indicator-height-val, 0);
  transition-property: inset-block-start, height;
}

/* Vertical underline/bordered — side border instead of bottom border */
[data-ut-orientation="vertical"][data-ut-side="left"][data-ut-variant="underline"] [data-ut-list],
[data-ut-orientation="vertical"][data-ut-side="left"][data-ut-variant="bordered"] [data-ut-list] {
  border-block-end: none;
  border-inline-end: 1px solid #e5e7eb;
}

[data-ut-orientation="vertical"][data-ut-side="right"][data-ut-variant="underline"] [data-ut-list],
[data-ut-orientation="vertical"][data-ut-side="right"][data-ut-variant="bordered"] [data-ut-list] {
  border-block-end: none;
  border-inline-start: 1px solid #e5e7eb;
}

/* ── Overflow scroll ── */

[data-ut-scroller] {
  position: relative;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

[data-ut-scroller] [data-ut-list] {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex: 1;
  min-width: 0;
}

[data-ut-scroller] [data-ut-list]::-webkit-scrollbar {
  display: none;
}

[data-ut-scroll-btn] {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ut-tab-color);
  font-size: 0.625rem;
  padding: 0;
  transition: color 150ms ease, opacity 150ms ease;
}

[data-ut-scroll-btn]:hover {
  color: var(--ut-tab-active-color);
}

[data-ut-scroll-btn][data-ut-scroll-hidden] {
  opacity: 0;
  pointer-events: none;
}

/* Vertical overflow */
[data-ut-orientation="vertical"] [data-ut-scroller] {
  flex-direction: column;
}

[data-ut-orientation="vertical"] [data-ut-scroller] [data-ut-list] {
  overflow-x: hidden;
  overflow-y: auto;
}

/* ── Panel transitions ── */

[data-ut-section] {
  --ut-transition-duration: 200ms;
}

[data-ut-panel][data-ut-panel-entering="fade"] {
  animation: ut-fade-in var(--ut-transition-duration) ease forwards;
}

[data-ut-panel][data-ut-panel-leaving] {
  position: absolute;
  pointer-events: none;
}

@keyframes ut-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

[data-ut-panel][data-ut-panel-entering="slide"] {
  animation: ut-slide-in var(--ut-transition-duration) cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes ut-slide-in {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Panel container needs position:relative for the leaving panel overlay */
[data-ut-transition] [data-ut-panel] {
  position: relative;
}

/* Vertical bordered — active tab bleeds into panel */
[data-ut-orientation="vertical"][data-ut-side="left"][data-ut-variant="bordered"] [data-ut-tab][data-ut-active] {
  border: 1px solid #e5e7eb;
  border-inline-end-color: transparent;
  border-block-end-color: #e5e7eb;
  border-start-start-radius: 6px;
  border-end-start-radius: 6px;
  border-start-end-radius: 0;
  border-end-end-radius: 0;
  margin-inline-end: -1px;
  margin-block-end: 0;
  background: var(--ut-panel-bg, #fff);
}

[data-ut-orientation="vertical"][data-ut-side="right"][data-ut-variant="bordered"] [data-ut-tab][data-ut-active] {
  border: 1px solid #e5e7eb;
  border-inline-start-color: transparent;
  border-block-end-color: #e5e7eb;
  border-start-end-radius: 6px;
  border-end-end-radius: 6px;
  border-start-start-radius: 0;
  border-end-start-radius: 0;
  margin-inline-start: -1px;
  margin-block-end: 0;
  background: var(--ut-panel-bg, #fff);
}