/*
 purpose: Style the slide out side panel
 author: Greg Muri
 version: 2.0
 created: 03.11.2026
 updated: 03.18.2026
*/

:root{
  --sbda-panel-width: 320px;
  --sbda-trigger-width: 34px;
  --sbda-panel-bg: #ffffff;
  --sbda-panel-border: #d8d8d8;
  --sbda-panel-shadow: 2px 0 16px rgba(0,0,0,.10);
  --sbda-overlay-bg: rgba(0,0,0,.18);
  --sbda-content-opacity: .55;
  --sbda-transition: 260ms ease;
  --sbda-z-panel: 9998;
  --sbda-z-trigger: 9999;
  --sbda-z-overlay: 9997;
  --sbda-trigger-bg: #ffd800;
  --sbda-trigger-color: #222222;
}

/* Enable horizontal movement without ugly overflow */
html,
body{
  overflow-x: clip;
}

/* Side panel */
.sbda-side-panel{
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sbda-panel-width);
  height: 100vh;
  background: var(--sbda-panel-bg);
  border-right: 1px solid var(--sbda-panel-border);
  box-shadow: var(--sbda-panel-shadow);
  transform: translateX(calc(-1 * var(--sbda-panel-width)));
  transition: transform var(--sbda-transition);
  z-index: var(--sbda-z-panel);
  overflow-y: auto;
}

.sbda-side-panel__inner{
  padding: 1rem 1rem 2rem;
}

.sbda-side-panel__header{
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid #ececec;
}

.sbda-side-panel__title{
  margin: 0 0 .4rem;
  font-size: 1.1rem;
  line-height: 1.3;
}

.sbda-side-panel__intro{
  margin: 0;
  font-size: .92rem;
  line-height: 1.45;
}

.sbda-side-panel__placeholder-list{
  margin: 0;
  padding-left: 1.1rem;
}

.sbda-side-panel__placeholder-list li{
  margin-bottom: .65rem;
}

/* Trigger rail */
.sbda-side-panel-trigger{
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: var(--sbda-trigger-width);
  min-height: 124px;
  padding: 0;
  border: 1px solid var(--sbda-panel-border);
  border-left: 0;
  border-radius: 0 12px 12px 0;
  background: var(--sbda-trigger-bg);
  color: var(--sbda-trigger-color);
  cursor: pointer;
  box-shadow: 2px 0 10px rgba(0,0,0,.08);
  z-index: var(--sbda-z-trigger);
  transition:
    left var(--sbda-transition),
    background var(--sbda-transition),
    transform var(--sbda-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}

.sbda-side-panel-trigger:hover{
  filter: brightness(.98);
}

.sbda-side-panel-trigger__arrow{
  display: block;
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-right: 10px solid currentColor;
}

.sbda-side-panel-trigger__label{
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* Overlay */
.sbda-side-panel-overlay{
  position: fixed;
  inset: 0;
  background: var(--sbda-overlay-bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--sbda-transition), visibility var(--sbda-transition);
  z-index: var(--sbda-z-overlay);
}

/* Main site content movement */
/* Twenty Twenty-Five typically wraps site content in .wp-site-blocks */
body.sbda-side-panel-open .wp-site-blocks{
  transform: translateX(var(--sbda-panel-width));
  opacity: var(--sbda-content-opacity);
  transition: transform var(--sbda-transition), opacity var(--sbda-transition);
  will-change: transform;
}

/* Open state */
body.sbda-side-panel-open .sbda-side-panel{
  transform: translateX(0);
}

body.sbda-side-panel-open .sbda-side-panel-trigger{
  left: var(--sbda-panel-width);
}

body.sbda-side-panel-open .sbda-side-panel-trigger__arrow{
  border-right: 0;
  border-left: 10px solid currentColor;
}

body.sbda-side-panel-open .sbda-side-panel-overlay{
  opacity: 1;
  visibility: visible;
}

/* Improve keyboard focus visibility */
.sbda-side-panel-trigger:focus-visible{
  outline: 3px solid #1d4ed8;
  outline-offset: 2px;
}

/* Mobile */
@media (max-width: 781px){
  :root{
    --sbda-panel-width: min(82vw, 320px);
    --sbda-trigger-width: 28px;
    --sbda-content-opacity: .42;
  }

  .sbda-side-panel-trigger{
    min-height: 96px;
  }

  .sbda-side-panel__inner{
    padding: .9rem .9rem 1.5rem;
  }
}

.sbda-sidebar-nav__row {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.sbda-sidebar-nav__link {
	flex: 1 1 auto;
	min-width: 0;
}

.sbda-sidebar-nav__toggle {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	padding: 0;
	border: 0;
	background: transparent;
	cursor: pointer;
	line-height: 1;
}

.sbda-sidebar-nav__toggle-icon {
	display: inline-block;
	width: 0.6rem;
	height: 0.6rem;
	border-right: 2px solid currentColor;
	border-bottom: 2px solid currentColor;
	transform: rotate(-45deg);
	transition: transform 0.2s ease;
}

.sbda-sidebar-nav__item.is-expanded > .sbda-sidebar-nav__row .sbda-sidebar-nav__toggle-icon {
	transform: rotate(45deg);
}

/* Branch visibility */
.sbda-sidebar-nav__item.has-children.is-collapsed > ul.sbda-sidebar-nav__list {
	display: none !important;
}

.sbda-sidebar-nav__item.has-children.is-expanded > ul.sbda-sidebar-nav__list {
	display: block !important;
}