/* ========================================
   Accordion Block Styles
   Prefix: bkbg-ac-
   ======================================== */

/* CSS Custom Properties */
.bkbg-ac-wrap {
  --bkbg-ac-gap: 12px;
  --bkbg-ac-radius: 8px;
  --bkbg-ac-brd-w: 1px;
  --bkbg-ac-brd-style: solid;
  --bkbg-ac-header-padding: 16px 20px;
  --bkbg-ac-content-padding: 16px 20px 20px;
  --bkbg-ac-header-bg: #f8fafc;
  --bkbg-ac-header-bg-hover: #f1f5f9;
  --bkbg-ac-header-bg-active: #e2e8f0;
  --bkbg-ac-header-color: #1e293b;
  --bkbg-ac-header-color-hover: #0f172a;
  --bkbg-ac-header-color-active: #0f172a;
  --bkbg-ac-content-bg: #ffffff;
  --bkbg-ac-content-color: #475569;
  --bkbg-ac-border-color: #e2e8f0;
  --bkbg-ac-border-color-active: #cbd5e1;
  --bkbg-ac-icon-color: #64748b;
  --bkbg-ac-icon-color-active: #3b82f6;
  --bkbg-ac-accent: #3b82f6;
  --bkbg-ac-header-font-size: 16px;
  --bkbg-ac-header-font-weight: 600;
  --bkbg-ac-header-line-height: 1.4;
  --bkbg-ac-content-font-size: 15px;
  --bkbg-ac-content-font-weight: 400;
  --bkbg-ac-content-line-height: 1.7;
  --bkbg-ac-icon-size: 20px;
  --bkbg-ac-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.06);
  --bkbg-ac-animation-duration: 300ms;
  --bkbg-ac-divider-color: #e2e8f0;
  --bkbg-ac-divider-width: 1px;
  display: flex;
  flex-direction: column;
  gap: var(--bkbg-ac-gap);
}

/* Item container */
.bkbg-ac-item {
  border: var(--bkbg-ac-brd-w) var(--bkbg-ac-brd-style) var(--bkbg-ac-border-color);
  border-radius: var(--bkbg-ac-radius);
  overflow: hidden;
  background: var(--bkbg-ac-content-bg);
  box-shadow: var(--bkbg-ac-shadow);
  transition: border-color var(--bkbg-ac-animation-duration) ease,
              box-shadow var(--bkbg-ac-animation-duration) ease;
}

.bkbg-ac-item.is-active {
  border-color: var(--bkbg-ac-border-color-active);
}

/* Style: Separated (default) - uses base styling above */

/* Style: Connected - items share borders */
.bkbg-ac-wrap[data-style="connected"] {
  gap: 0;
}

.bkbg-ac-wrap[data-style="connected"] .bkbg-ac-item {
  border-radius: 0;
  margin-top: calc(var(--bkbg-ac-brd-w) * -1);
  box-shadow: none;
}

.bkbg-ac-wrap[data-style="connected"] .bkbg-ac-item:first-child {
  border-top-left-radius: var(--bkbg-ac-radius);
  border-top-right-radius: var(--bkbg-ac-radius);
  margin-top: 0;
}

.bkbg-ac-wrap[data-style="connected"] .bkbg-ac-item:last-child {
  border-bottom-left-radius: var(--bkbg-ac-radius);
  border-bottom-right-radius: var(--bkbg-ac-radius);
}

/* Style: Minimal - no borders, subtle background */
.bkbg-ac-wrap[data-style="minimal"] .bkbg-ac-item {
  border: none;
  box-shadow: none;
  background: transparent;
}

.bkbg-ac-wrap[data-style="minimal"] .bkbg-ac-header {
  background: transparent;
  border-radius: var(--bkbg-ac-radius);
}

.bkbg-ac-wrap[data-style="minimal"] .bkbg-ac-header:hover {
  background: var(--bkbg-ac-header-bg);
}

/* Style: Boxed - prominent borders and background */
.bkbg-ac-wrap[data-style="boxed"] .bkbg-ac-item {
  border-width: 2px;
}

.bkbg-ac-wrap[data-style="boxed"] .bkbg-ac-header {
  background: var(--bkbg-ac-header-bg);
}

/* Header button */
.bkbg-ac-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: var(--bkbg-ac-header-padding);
  background: var(--bkbg-ac-header-bg);
  color: var(--bkbg-ac-header-color);
  font-size: var(--bkbg-ac-header-font-size);
  font-weight: var(--bkbg-ac-header-font-weight);
  line-height: var(--bkbg-ac-header-line-height);
  cursor: pointer;
  border: none;
  width: 100%;
  text-align: left;
  transition: background var(--bkbg-ac-animation-duration) ease,
              color var(--bkbg-ac-animation-duration) ease;
}

.bkbg-ac-header:hover {
  background: var(--bkbg-ac-header-bg-hover);
  color: var(--bkbg-ac-header-color-hover);
}

.bkbg-ac-header:focus {
  outline: 2px solid var(--bkbg-ac-accent);
  outline-offset: -2px;
}

.bkbg-ac-header:focus:not(:focus-visible) {
  outline: none;
}

.bkbg-ac-header:focus-visible {
  outline: 2px solid var(--bkbg-ac-accent);
  outline-offset: -2px;
}

.bkbg-ac-header[aria-expanded="true"] {
  background: var(--bkbg-ac-header-bg-active);
  color: var(--bkbg-ac-header-color-active);
}

/* Divider between header and content when open */
.bkbg-ac-wrap[data-divider="1"] .bkbg-ac-header[aria-expanded="true"] {
  border-bottom: var(--bkbg-ac-divider-width) solid var(--bkbg-ac-divider-color);
}

/* Title */
.bkbg-ac-title {
  flex: 1;
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

/* Icon container */
.bkbg-ac-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--bkbg-ac-icon-size);
  height: var(--bkbg-ac-icon-size);
  color: var(--bkbg-ac-icon-color);
  transition: transform var(--bkbg-ac-animation-duration) ease,
              color var(--bkbg-ac-animation-duration) ease;
  flex-shrink: 0;
}

.bkbg-ac-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.bkbg-ac-header[aria-expanded="true"] .bkbg-ac-icon {
  color: var(--bkbg-ac-icon-color-active);
}

/* Icon rotation based on type */
.bkbg-ac-wrap[data-icon="chevron"] .bkbg-ac-header[aria-expanded="true"] .bkbg-ac-icon {
  transform: rotate(180deg);
}

.bkbg-ac-wrap[data-icon="plus"] .bkbg-ac-header[aria-expanded="true"] .bkbg-ac-icon {
  transform: rotate(45deg);
}

.bkbg-ac-wrap[data-icon="arrow"] .bkbg-ac-header[aria-expanded="true"] .bkbg-ac-icon {
  transform: rotate(90deg);
}

.bkbg-ac-wrap[data-icon="caret"] .bkbg-ac-header[aria-expanded="true"] .bkbg-ac-icon {
  transform: rotate(180deg);
}

/* Icon position left */
.bkbg-ac-wrap[data-icon-pos="left"] .bkbg-ac-header {
  flex-direction: row-reverse;
}

/* Content panel with animation */
.bkbg-ac-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--bkbg-ac-animation-duration) ease;
}

.bkbg-ac-content[aria-hidden="false"] {
  grid-template-rows: 1fr;
}

/* Animation disabled */
.bkbg-ac-wrap[data-animation="0"] .bkbg-ac-content {
  transition: none;
}

.bkbg-ac-inner {
  overflow: hidden;
}

.bkbg-ac-body {
  padding: var(--bkbg-ac-content-padding);
  color: var(--bkbg-ac-content-color);
  background: var(--bkbg-ac-content-bg);
  font-size: var(--bkbg-ac-content-font-size);
  font-weight: var(--bkbg-ac-content-font-weight);
  line-height: var(--bkbg-ac-content-line-height);
}

.bkbg-ac-body p:first-child {
  margin-top: 0;
}

.bkbg-ac-body p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Editor Styles
   ======================================== */

/* Make editor items look exactly like frontend */
.bkbg-ac-wrap .bkbg-ac-item {
  position: relative;
}

/* Editor: selected item highlight */
.bkbg-ac-item.is-selected {
  outline: 2px solid var(--bkbg-ac-accent);
  outline-offset: 2px;
}

/* Editor: item actions toolbar */
.bkbg-ac-item-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: none;
  gap: 4px;
  z-index: 10;
  background: #fff;
  padding: 4px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.bkbg-ac-item:hover .bkbg-ac-item-actions,
.bkbg-ac-item.is-selected .bkbg-ac-item-actions {
  display: flex;
}

/* Editor: inline editable title */
.bkbg-ac-header .bkbg-ac-title-input {
  flex: 1;
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  padding: 0;
  margin: 0;
  outline: none;
  cursor: text;
}

.bkbg-ac-header .bkbg-ac-title-input:focus {
  background: rgba(255,255,255,0.5);
  border-radius: 4px;
  padding: 2px 6px;
  margin: -2px -6px;
}

/* Editor: inline editable content */
.bkbg-ac-body-editor {
  min-height: 60px;
}

.bkbg-ac-body-editor:focus {
  outline: none;
}

/* Editor: Add button */
.bkbg-ac-add-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  margin-top: 8px;
  border: 2px dashed var(--bkbg-ac-border-color);
  border-radius: var(--bkbg-ac-radius);
  background: transparent;
  color: var(--bkbg-ac-header-color);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.bkbg-ac-add-item:hover {
  border-color: var(--bkbg-ac-accent);
  color: var(--bkbg-ac-accent);
  background: rgba(59, 130, 246, 0.05);
}

.bkbg-ac-add-item svg {
  width: 20px;
  height: 20px;
}

/* Hover effects disabled */
.bkbg-ac-wrap[data-hover="0"] .bkbg-ac-header:hover {
  background: var(--bkbg-ac-header-bg);
  color: var(--bkbg-ac-header-color);
}

/* Shadow disabled */
.bkbg-ac-wrap[data-shadow="0"] .bkbg-ac-item {
  box-shadow: none;
}