/**
 * Material 3 Expressive List
 * @see https://m3.material.io/components/lists/specs
 *
 * Implements: Single-line, Multi-line, Leading/Trailing Elements, and Dividers.
 */

/* =================================================================
   # 1. Base Style (Container & List Item)
   ================================================================= */

/* ## 1.1. List Container */
[role="list"] {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  margin: 0;
  list-style: none;
  color: var(--md-sys-color-on-surface);
  width: 100%;
}

/* ## 1.2. List Item (Container) */
/* Anatomy: (1) Container */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"]) {
  display: flex;
  align-items: center;
  position: relative;
  isolation: isolate;
  padding-inline: 16px; /* */
  min-height: 56px;     /* Standard single-line height */
  gap: 16px;            /* Leading/Content/Trailing Gap */
  text-decoration: none;
  cursor: pointer;
  transition-property: background-color;
  transition-duration: var(--md-sys-motion-duration-short2);
  transition-timing-function: var(--md-sys-motion-easing-emphasized);
  /* Typography inheritance */
  font-family: var(--md-sys-typescale-font);
}

/* ## 1.3. Interactive State Layers (::before/::after) */
/* Implements state logic from list-states.png using common.css pattern */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])::before,
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transition: opacity var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-emphasized);
  border-radius: var(--md-sys-shape-corner-small);
}

/* ::before is the main background/container fill */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])::before {
  z-index: -2;
  background-color: var(--md-sys-color-surface);
}

/* ::after is the state layer overlay (Hover/Focus/Press) */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])::after {
  z-index: -1;
  opacity: 0;
  background-color: var(--md-sys-color-on-surface);
}

/* =================================================================
   # 2. Content Anatomy
   ================================================================= */

/* ## 2.1. Text Wrapper */
/* Handles vertical stacking of Overline, Label, Supporting Text */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1; /* Takes up remaining space */
  padding-block: 8px; /* Vertical padding for multi-line balance */
}

/* ## 2.2. Overline Text */
/* Anatomy: (2) Overline */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.content>.overline {
  font-size: var(--md-sys-typescale-label-small-size);
  font-weight: var(--md-sys-typescale-label-small-weight);
  line-height: var(--md-sys-typescale-label-small-line-height);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 2px;
}

/* ## 2.3. Label Text (Primary Headline) */
/* Anatomy: (3) Label text */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.content>.headline {
  font-size: var(--md-sys-typescale-body-large-size);
  font-weight: var(--md-sys-typescale-body-large-weight);
  line-height: var(--md-sys-typescale-body-large-line-height);
  color: var(--md-sys-color-on-surface);
  margin: 0px;
}

/* ## 2.4. Supporting Text */
/* Anatomy: (5) Supporting text */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.content>.supporting-text {
  font-size: var(--md-sys-typescale-body-medium-size);
  font-weight: var(--md-sys-typescale-body-medium-weight);
  line-height: var(--md-sys-typescale-body-medium-line-height);
  color: var(--md-sys-color-on-surface-variant);
  display: -webkit-box;
  line-clamp: 2; /* Truncate after 2 lines for multi-line lists */
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0px;
}


/* =================================================================
   # 3. Leading & Trailing Elements (Slots)
   ================================================================= */

/* ## 3.1. Leading Elements (Start Slot) */
/* Anatomy: (8) Leading avatar, (9) Icon, (10) Image */

/* Default Leading Icon */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.leading {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--md-sys-color-on-surface-variant);
}

/* Leading Icon Size */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.leading>material-symbols {
  font-size: 24px;
  width: 24px;
  height: 24px;
}

/* Leading Avatar (Circle) */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.leading.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--md-sys-shape-corner-full);
  overflow: hidden;
  background-color: var(--md-sys-color-surface-container-high);
}
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.leading.avatar>img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Leading Image/Video (Square/Rect) - Anatomy (10) */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.leading.media {
  width: 56px;
  height: 56px;
  border-radius: var(--md-sys-shape-corner-small); /* 8px usually */
  overflow: hidden;
  object-fit: cover;
}

/* Leading Radio Input */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.leading>input[type="radio"] {
  width: 20px;
  height: 20px;
  margin: 0px;
}

/* ## 3.2. Trailing Elements (End Slot) */
/* Anatomy: (4) Trailing text, (6) Trailing icon */

:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.trailing {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--md-sys-color-on-surface-variant);
}

/* Trailing Text (e.g., "100+") */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.trailing.text {
  font-size: var(--md-sys-typescale-label-small-size);
  font-weight: var(--md-sys-typescale-label-small-weight);
}

/* Trailing Icon */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>.trailing>material-symbols {
  font-size: 24px;
  width: 24px;
  height: 24px;
}

/* =================================================================
   # 4. Dividers
   ================================================================= */

/* Anatomy: (7) Divider */
/* Applied to the list item itself to create a separator between items */

:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])>hr {
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}


/* =================================================================
   # 5. State Variants
   ================================================================= */
/* Visuals derived from list-states.png */

/* ## 5.1. Hover State */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"]):hover {
  cursor: pointer;
}
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"]):hover::after {
  opacity: 0.08; /* 8% Opacity on surface */
}

/* ## 5.2. Focus State */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"]):is(:focus, :focus-visible) {
  outline: none;
}
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"]):is(:focus, :focus-visible)::after {
  opacity: 0.12; /* 12% Opacity */
}

/* ## 5.3. Pressed State */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"]):active::after {
  opacity: 0.12; /* 12% Opacity */
}

/* ## 5.4. Selected/Activated State (Optional) */
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])[aria-selected="true"] {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])[aria-selected="true"]>.content>.headline {
  color: var(--md-sys-color-on-secondary-container);
}
:is([role="listitem"],[role="menuitem"],[role="menuitemradio"])[aria-selected="true"]::after {
  background-color: var(--md-sys-color-on-secondary-container); /* State layer color changes on selected */
}