:root {
  /* Dimensions */
  --webko-menu-width-primary: 400px;
  --webko-menu-width-secondary: 450px;
  --webko-menu-padding-h: 30px;
  --webko-menu-padding-v: 20px;
  --webko-menu-border-radius: 20px;

  /* Colors */
  --webko-menu-bg-start: #FFD75A;
  --webko-menu-bg-end: #FFE491;
  --webko-menu-bg-secondary: #FFF5D6;
  --webko-menu-text-color: currentColor;
  --webko-menu-border-color: rgba(18, 18, 18, 0.05);
  --webko-menu-backdrop-color: rgba(0, 0, 0, 0.5);

  /* Typography */
  --webko-menu-font-family: inherit;
  --webko-menu-font-size-item: 18px;
  --webko-menu-font-size-small: 14px;

  /* Animation */
  --webko-menu-duration: 200ms;
  --webko-menu-ease: cubic-bezier(0.32, 0.72, 0, 1);
  --webko-menu-transition: var(--webko-menu-duration) var(--webko-menu-ease);
}

/* === Reset === */

#webko-menu-root *,
#webko-menu-root *::before,
#webko-menu-root *::after {
  all: unset;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

/* === Shared: icon images === */

#webko-menu-root img {
  display: block;
}

/* === Shared: back button === */

#webko-menu-root .webko-menu-back,
#webko-menu-root .webko-menu-close {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#webko-menu-root .webko-menu-back:active,
#webko-menu-root .webko-menu-close:active {
  opacity: 0.5;
}

#webko-menu-root .webko-menu-back:focus-visible,
#webko-menu-root .webko-menu-close:focus-visible {
  outline: 2px solid var(--webko-menu-text-color);
  outline-offset: 2px;
  border-radius: 4px;
}

/* === Shared: panel header with back arrow + title === */

#webko-menu-root .webko-menu-subheader,
#webko-menu-root .webko-menu-stackheader {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px;
  border-bottom: 1px solid var(--webko-menu-border-color);
  flex-shrink: 0;
}

#webko-menu-root .webko-menu-subheader-title {
  display: inline;
  font-size: var(--webko-menu-font-size-small);
  font-weight: 500;
  letter-spacing: -0.14px;
  opacity: 0.65;
}

/* === Backdrop === */

#webko-menu-root .webko-menu-backdrop {
  position: fixed;
  inset: 0;
  display: block;
  background: var(--webko-menu-backdrop-color);
  z-index: 999997;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--webko-menu-transition),
    visibility 0s linear var(--webko-menu-duration);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: opacity;
}

#webko-menu-root .webko-menu-backdrop.is-active {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--webko-menu-transition),
    visibility 0s linear 0s;
}

/* === Panel 1 === */

#webko-menu-root .webko-menu-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--webko-menu-width-primary);
  max-width: 100vw;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(to bottom, var(--webko-menu-bg-start), var(--webko-menu-bg-end));
  z-index: 999999;
  transform: translate3d(-100%, 0, 0);
  visibility: hidden;
  transition: transform var(--webko-menu-transition),
    visibility 0s linear var(--webko-menu-duration);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
  font-family: var(--webko-menu-font-family);
  color: var(--webko-menu-text-color);
  font-size: 16px;
  line-height: 1.4;
}

#webko-menu-root .webko-menu-panel.is-open {
  transform: translate3d(0, 0, 0);
  visibility: visible;
  transition: transform var(--webko-menu-transition),
    visibility 0s linear 0s;
}

/* Panel 1 header */
#webko-menu-root .webko-menu-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 20px var(--webko-menu-padding-h);
  border-bottom: 1px solid var(--webko-menu-border-color);
  flex-shrink: 0;
}

#webko-menu-root .webko-menu-close {
  width: 30px;
  height: 30px;
  margin-right: -12px;
  transition: opacity var(--webko-menu-transition);
}

#webko-menu-root .webko-menu-close img {
  width: 12px;
}

#webko-menu-root .webko-menu-panel.has-subpanel .webko-menu-close {
  opacity: 0;
  pointer-events: none;
}

/* Stack header (hidden, shown on mobile via .is-stacked) */
#webko-menu-root .webko-menu-stackheader {
  display: none;
}

/* Scrollable body (items + footer) */
#webko-menu-root .webko-menu-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow-y: auto;
  scrollbar-width: none;
}

#webko-menu-root .webko-menu-body::-webkit-scrollbar {
  display: none;
}

/* Menu items */
#webko-menu-root .webko-menu-items {
  display: flex;
  flex-direction: column;
}

#webko-menu-root .webko-menu-items li {
  display: block;
}

#webko-menu-root .webko-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--webko-menu-padding-v) var(--webko-menu-padding-h);
  border-bottom: 1px solid var(--webko-menu-border-color);
  cursor: pointer;
  font-size: var(--webko-menu-font-size-item);
  font-weight: 500;
  letter-spacing: -0.18px;
  line-height: 1.3;
  background: transparent;
  transition: background 120ms var(--webko-menu-ease);
  text-decoration: none;
}

@media (hover: hover) {
  #webko-menu-root .webko-menu-item:hover {
    background: rgba(255, 255, 255, 0.15);
  }
}

@media (hover: hover) {
  #webko-menu-root .webko-menu-item.is-active {
    background: var(--webko-menu-bg-secondary);
  }
}

#webko-menu-root .webko-menu-item:active {
  opacity: 0.6;
}

#webko-menu-root .webko-menu-item:focus-visible {
  outline: 2px solid var(--webko-menu-text-color);
  outline-offset: -2px;
}

#webko-menu-root .webko-menu-item span {
  display: inline;
}

#webko-menu-root .webko-menu-item-chevron {
  display: block;
  width: 6px;
  height: 10px;
  flex-shrink: 0;
}


/* === Panel 2 (sub-panel) === */

#webko-menu-root .webko-menu-subpanel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--webko-menu-width-secondary);
  max-width: 100vw;
  display: flex;
  flex-direction: column;
  background: var(--webko-menu-bg-secondary);
  z-index: 999998;
  transform: translate3d(calc(var(--webko-menu-width-primary) - var(--webko-menu-width-secondary)), 0, 0);
  visibility: hidden;
  transition: transform var(--webko-menu-transition),
    visibility 0s linear var(--webko-menu-duration);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
  font-family: var(--webko-menu-font-family);
  color: var(--webko-menu-text-color);
  font-size: 16px;
  line-height: 1.4;
  border-radius: 0 var(--webko-menu-border-radius) var(--webko-menu-border-radius) 0;
}

#webko-menu-root .webko-menu-subpanel.is-open {
  transform: translate3d(var(--webko-menu-width-primary), 0, 0);
  visibility: visible;
  transition: transform var(--webko-menu-transition),
    visibility 0s linear 0s;
}

#webko-menu-root .webko-menu-back {
  width: 30px;
  height: 30px;
  padding: 5px;
}

#webko-menu-root .webko-menu-back img {
  width: 12px;
}

/* Sub-panel content */
#webko-menu-root .webko-menu-subcontent {
  display: block;
  flex: 1;
  overflow-y: auto;
  padding: 0 0 120px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(18, 18, 18, 0.15) transparent;
}

#webko-menu-root .webko-menu-subcontent::-webkit-scrollbar {
  width: 6px;
}

#webko-menu-root .webko-menu-subcontent::-webkit-scrollbar-track {
  background: transparent;
}

#webko-menu-root .webko-menu-subcontent::-webkit-scrollbar-thumb {
  background: rgba(18, 18, 18, 0.15);
  border-radius: 3px;
}

#webko-menu-root .webko-menu-subcontent::-webkit-scrollbar-thumb:hover {
  background: rgba(18, 18, 18, 0.3);
}

/* Level 2 groups */
#webko-menu-root .webko-menu-group {
  display: block;
  padding: 15px var(--webko-menu-padding-h);
}

#webko-menu-root .webko-menu-group-title {
  display: block;
  font-size: var(--webko-menu-font-size-item);
  font-weight: 600;
  letter-spacing: -0.18px;
  line-height: 1.3;
  margin: 0 0 10px 0;
}

#webko-menu-root .webko-menu-group-title a {
  color: inherit;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}

#webko-menu-root .webko-menu-group-title a:hover {
  text-decoration: underline;
}

#webko-menu-root .webko-menu-group-title a:focus-visible {
  outline: 2px solid var(--webko-menu-text-color);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Level 3 links */
#webko-menu-root .webko-menu-sublinks {
  display: block;
}

#webko-menu-root .webko-menu-sublinks li {
  display: block;
  line-height: 1.6;
}

#webko-menu-root .webko-menu-sublinks a {
  display: inline;
  text-decoration: none;
  font-size: var(--webko-menu-font-size-small);
  font-weight: 400;
  line-height: 1.6;
  cursor: pointer;
}

#webko-menu-root .webko-menu-sublinks a:hover {
  text-decoration: underline;
}

#webko-menu-root .webko-menu-sublinks a:focus-visible {
  outline: 2px solid var(--webko-menu-text-color);
  outline-offset: 2px;
  border-radius: 2px;
}

/* === Structured footer nav === */

#webko-menu-root .webko-menu-footer-nav {
  display: flex;
  flex-direction: column;
  gap: 15px;
  padding: var(--webko-menu-padding-h);
  line-height: 1.5;
}

#webko-menu-root .webko-menu-footer-title {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12px;
  text-transform: uppercase;
  opacity: 0.5;
}

#webko-menu-root .webko-menu-footer-links {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

#webko-menu-root .webko-menu-footer-links li {
  display: block;
  line-height: 1.5;
}

#webko-menu-root .webko-menu-footer-links a {
  display: inline;
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  cursor: pointer;
}

#webko-menu-root .webko-menu-footer-links a:hover {
  text-decoration: underline;
}

#webko-menu-root .webko-menu-footer-links a:focus-visible {
  outline: 2px solid var(--webko-menu-text-color);
  outline-offset: 2px;
  border-radius: 2px;
}

/* === Mobile === */

@media (max-width: 850px) {
  #webko-menu-root .webko-menu-backdrop {
    display: none;
  }

  #webko-menu-root .webko-menu-panel {
    position: absolute;
    width: 100vw;
    height: 100vh;
    bottom: auto;
  }

  #webko-menu-root .webko-menu-subpanel {
    position: absolute;
    width: 100vw;
    height: 100vh;
    bottom: auto;
    border-radius: 0;
    z-index: 1000000;
    transform: translate3d(-100%, 0, 0);
    background: linear-gradient(to bottom, var(--webko-menu-bg-start), var(--webko-menu-bg-end));
  }

  #webko-menu-root .webko-menu-subpanel.is-open {
    transform: translate3d(0, 0, 0);
    visibility: visible;
  }

  /* Stacked menu: swap close header for back header */
  #webko-menu-root .webko-menu-panel.is-stacked .webko-menu-header {
    display: none;
  }

  #webko-menu-root .webko-menu-panel.is-stacked .webko-menu-stackheader {
    display: flex;
  }
}

/* === Reduced motion === */

@media (prefers-reduced-motion: reduce) {

  #webko-menu-root .webko-menu-panel,
  #webko-menu-root .webko-menu-subpanel,
  #webko-menu-root .webko-menu-backdrop {
    transition-duration: 0ms;
  }
}