/* modest-ui - Bundled CSS
 * Generated from index.css and all component styles
 * This file contains all styles in a single file for easy distribution
 */

/* modest-ui - Minimal CSS component library */

/* Base */
:root {
  /* Colors */
  --mdst-color-fg: #000;
  --mdst-color-bg: #fff;
  --mdst-color-border: #000;
  --mdst-color-muted: #666;
  --mdst-color-subtle: #f5f5f5;
  --mdst-color-surface: #f5f5f5;
  --mdst-color-focus: #000;
  --mdst-color-error: #dc2626;
  --mdst-color-warning: #f59e0b;
  --mdst-color-success: #16a34a;

  /* Button hover */
  --mdst-button-hover-bg: var(--mdst-color-fg);
  --mdst-button-hover-color: var(--mdst-color-bg);
  --mdst-button-hover-border: var(--mdst-color-fg);

  /* Typography */
  --mdst-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mdst-font-mono: ui-monospace, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --mdst-line-height: 1.5;

  /* Font sizes */
  --mdst-text-xs: 0.75rem;
  --mdst-text-sm: 0.875rem;
  --mdst-text-base: 1rem;
  --mdst-text-lg: 1.125rem;
  --mdst-text-xl: 1.25rem;

  /* Spacing */
  --mdst-space-px: 0.0625rem;
  --mdst-space-1: 0.25rem;
  --mdst-space-2: 0.5rem;
  --mdst-space-3: 0.75rem;
  --mdst-space-4: 1rem;
  --mdst-space-5: 1.25rem;
  --mdst-space-6: 1.5rem;
  --mdst-space-8: 2rem;

  /* Semantic spacing aliases */
  --mdst-space-xs: var(--mdst-space-1);
  --mdst-space-sm: var(--mdst-space-2);
  --mdst-space-md: var(--mdst-space-4);
  --mdst-space-lg: var(--mdst-space-6);
  --mdst-space-xl: var(--mdst-space-8);

  /* Border */
  --mdst-radius: 0;
  --mdst-border-width: 0.0625em;

  /* Transitions */
  --mdst-transition-fast: 50ms ease-out;
  --mdst-transition: 100ms ease-out;
}

/*
 * Minimal reset
 * Only the essentials — no opinions
 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

a,
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}


/* Components */

/* Avatar */

.mdst-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  overflow: hidden;
  font-family: var(--mdst-font-sans);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  background: var(--mdst-color-subtle);
  color: var(--mdst-color-fg);
  vertical-align: middle;
  flex-shrink: 0;
  box-sizing: border-box;

  /* Images */

  & img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* Sizes */

  &.mdst-avatar--sm {
    width: 2rem;
    height: 2rem;
    font-size: 0.75rem;
  }

  &.mdst-avatar--lg {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.25rem;
  }

  &.mdst-avatar--xl {
    width: 5rem;
    height: 5rem;
    font-size: 1.75rem;
  }

  /* Square variant */

  &.mdst-avatar--square {
    border-radius: var(--mdst-radius);
  }
}

/* Avatar group */

.mdst-avatar-group {
  display: inline-flex;
  align-items: center;

  & > .mdst-avatar {
    margin-left: -0.5rem;
    border: 2px solid var(--mdst-color-bg);
  }

  & > .mdst-avatar:first-child {
    margin-left: 0;
  }
}

/* Badge */

.mdst-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6em;
  padding: 0.25em 0.375em;
  font-size: var(--mdst-text-xs);
  font-family: var(--mdst-font-sans);
  line-height: 1;
  border-radius: 9999px;
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  white-space: nowrap;
  vertical-align: middle;
  box-sizing: border-box;

  /* Variants */

  &.mdst-badge--solid {
    background: var(--mdst-color-fg);
    color: var(--mdst-color-bg);
    border-color: var(--mdst-color-fg);
  }

  &.mdst-badge--subtle {
    background: var(--mdst-color-subtle);
    border-color: transparent;
  }

  &.mdst-badge--dot {
    width: 0.6em;
    height: 0.6em;
    min-width: 0;
    padding: 0;
    font-size: var(--mdst-text-base);
    background: var(--mdst-color-fg);
    border-color: transparent;
    overflow: hidden;
    text-indent: -9999px;
  }

  /* Status */

  &.mdst-badge--error {
    border-color: var(--mdst-color-error);
    color: var(--mdst-color-error);

    &.mdst-badge--solid {
      background: var(--mdst-color-error);
      color: var(--mdst-color-bg);
      border-color: var(--mdst-color-error);
    }

    &.mdst-badge--subtle {
      background: color-mix(in srgb, var(--mdst-color-error) 10%, transparent);
      border-color: transparent;
      color: var(--mdst-color-error);
    }

    &.mdst-badge--dot {
      background: var(--mdst-color-error);
    }
  }

  &.mdst-badge--success {
    border-color: var(--mdst-color-success);
    color: var(--mdst-color-success);

    &.mdst-badge--solid {
      background: var(--mdst-color-success);
      color: var(--mdst-color-bg);
      border-color: var(--mdst-color-success);
    }

    &.mdst-badge--subtle {
      background: color-mix(in srgb, var(--mdst-color-success) 10%, transparent);
      border-color: transparent;
      color: var(--mdst-color-success);
    }

    &.mdst-badge--dot {
      background: var(--mdst-color-success);
    }
  }

  &.mdst-badge--warning {
    border-color: var(--mdst-color-warning);
    color: var(--mdst-color-warning);

    &.mdst-badge--solid {
      background: var(--mdst-color-warning);
      color: var(--mdst-color-bg);
      border-color: var(--mdst-color-warning);
    }

    &.mdst-badge--subtle {
      background: color-mix(in srgb, var(--mdst-color-warning) 10%, transparent);
      border-color: transparent;
      color: var(--mdst-color-warning);
    }

    &.mdst-badge--dot {
      background: var(--mdst-color-warning);
    }
  }

  &.mdst-badge--muted {
    border-color: var(--mdst-color-muted);
    color: var(--mdst-color-muted);

    &.mdst-badge--solid {
      background: var(--mdst-color-muted);
      color: var(--mdst-color-bg);
      border-color: var(--mdst-color-muted);
    }

    &.mdst-badge--subtle {
      background: var(--mdst-color-subtle);
      border-color: transparent;
      color: var(--mdst-color-muted);
    }

    &.mdst-badge--dot {
      background: var(--mdst-color-muted);
    }
  }

  /* Sizes */

  &.mdst-badge--sm {
    font-size: 0.625rem;
    min-width: 1.5em;
    padding: 0.2em 0.3em;
  }

  &.mdst-badge--lg {
    font-size: var(--mdst-text-sm);
    min-width: 1.6em;
    padding: 0.3em 0.5em;
  }

  /* Positioning */

  &.mdst-badge--top-right {
    position: absolute;
    top: 0;
    right: 0;
    transform: translate(50%, -50%);
    z-index: 1;
  }
}

/* Breadcrumbs */

.mdst-breadcrumbs {
  & ol {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--mdst-space-xs);
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: var(--mdst-text-sm);
    font-family: var(--mdst-font-sans);
  }

  & li {
    display: inline-flex;
    align-items: center;
    gap: var(--mdst-space-xs);
    color: var(--mdst-color-fg);
  }

  & li + li::before {
    content: "/";
    color: var(--mdst-color-muted);
    pointer-events: none;
    user-select: none;
  }

  & a {
    color: var(--mdst-color-muted);
    text-decoration: none;
    transition: color var(--mdst-transition);
    margin: 0;

    &:hover {
      color: var(--mdst-color-fg);
    }
  }

  & [aria-current="page"] {
    color: var(--mdst-color-fg);
    font-weight: 500;
  }

  /* Compact */

  &.mdst-breadcrumbs--compact {
    & ol {
      gap: calc(var(--mdst-space-xs) * 0.5);
      font-size: var(--mdst-text-xs);
    }

    & li {
      gap: calc(var(--mdst-space-xs) * 0.5);
    }
  }

  /* Arrow separator */

  &.mdst-breadcrumbs--arrow {
    & li + li::before {
      content: "\203A";
    }
  }
}

/* Button */

:where(.mdst-ui) button,
:where(.mdst-ui) input[type="submit"],
:where(.mdst-ui) input[type="reset"],
:where(.mdst-ui) input[type="button"],
.mdst-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--mdst-space-xs);
  padding: var(--mdst-space-sm) var(--mdst-space-md);
  font-family: inherit;
  font-size: inherit;
  line-height: var(--mdst-line-height);
  color: var(--mdst-color-fg);
  background: var(--mdst-color-bg);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  cursor: pointer;
  transition:
    background var(--mdst-transition),
    color var(--mdst-transition),
    border-color var(--mdst-transition);
  -webkit-appearance: none;
  appearance: none;
}

:where(.mdst-ui) button:hover,
:where(.mdst-ui) input[type="submit"]:hover,
:where(.mdst-ui) input[type="reset"]:hover,
:where(.mdst-ui) input[type="button"]:hover,
.mdst-button:hover {
  background: var(--mdst-button-hover-bg);
  color: var(--mdst-button-hover-color);
  border-color: var(--mdst-button-hover-border);
}

:where(.mdst-ui) button:focus-visible,
:where(.mdst-ui) input[type="submit"]:focus-visible,
:where(.mdst-ui) input[type="reset"]:focus-visible,
:where(.mdst-ui) input[type="button"]:focus-visible,
.mdst-button:focus-visible {
  outline: var(--mdst-border-width) solid var(--mdst-color-focus);
  outline-offset: var(--mdst-border-width);
}

:where(.mdst-ui) button:disabled,
:where(.mdst-ui) input[type="submit"]:disabled,
:where(.mdst-ui) input[type="reset"]:disabled,
:where(.mdst-ui) input[type="button"]:disabled,
.mdst-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

:where(.mdst-ui) button:disabled:hover,
:where(.mdst-ui) input[type="submit"]:disabled:hover,
:where(.mdst-ui) input[type="reset"]:disabled:hover,
:where(.mdst-ui) input[type="button"]:disabled:hover,
.mdst-button:disabled:hover {
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  border-color: var(--mdst-color-border);
}

/* Variants */

:where(.mdst-ui) button.mdst-button--ghost,
.mdst-button.mdst-button--ghost {
  border-color: transparent;
}

:where(.mdst-ui) button.mdst-button--ghost:hover,
.mdst-button.mdst-button--ghost:hover {
  border-color: var(--mdst-button-hover-border);
}

:where(.mdst-ui) button.mdst-button--inverted,
.mdst-button.mdst-button--inverted {
  background: var(--mdst-color-fg);
  color: var(--mdst-color-bg);
}

:where(.mdst-ui) button.mdst-button--inverted:hover,
.mdst-button.mdst-button--inverted:hover {
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
}

/* Sizes */

:where(.mdst-ui) button.mdst-button--sm,
.mdst-button.mdst-button--sm {
  padding: var(--mdst-space-xs) var(--mdst-space-sm);
  font-size: var(--mdst-text-sm);
}

:where(.mdst-ui) button.mdst-button--lg,
.mdst-button.mdst-button--lg {
  padding: var(--mdst-space-md) var(--mdst-space-lg);
}

/* Card */

.mdst-card {
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-bg);

  & .mdst-card-header {
    padding: var(--mdst-space-md);
    border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
    font-weight: 600;

    & + .mdst-card-body {
      border-top: none;
    }

    /* Borderless header — removes the bottom border from the header */
    &.mdst-card-header--borderless {
      border-bottom: none;
    }
  }

  & .mdst-card-body {
    padding: var(--mdst-space-md);

    & + .mdst-card-footer {
      border-top: var(--mdst-border-width) solid var(--mdst-color-border);
    }
  }

  & .mdst-card-footer {
    margin-top: auto;
    padding: var(--mdst-space-md);
    border-top: var(--mdst-border-width) solid var(--mdst-color-border);

    /* Borderless footer — removes the top border from the footer */
    &.mdst-card-footer--borderless {
      border-top: none;
    }
  }

  /* Variants */

  &.mdst-card--borderless {
    border: none;

    & > .mdst-card-header {
      border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
    }

    & > .mdst-card-footer {
      border-top: var(--mdst-border-width) solid var(--mdst-color-border);
    }
  }

  &.mdst-card--interactive {
    transition:
      box-shadow var(--mdst-transition),
      border-color var(--mdst-transition);
    cursor: pointer;

    &:hover {
      border-color: var(--mdst-color-fg);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    &:focus-visible {
      outline: var(--mdst-border-width) solid var(--mdst-color-focus);
      outline-offset: var(--mdst-border-width);
    }
  }

  /* Padding variants */

  &.mdst-card--compact {
    & > .mdst-card-header,
    & > .mdst-card-body,
    & > .mdst-card-footer {
      padding: var(--mdst-space-sm);
    }
  }

  /* Flush — no padding, for embedding raw content like tables or images */

  &.mdst-card--flush {
    & > .mdst-card-body {
      padding: 0;
    }
  }
}

/* Checkbox */

:where(.mdst-ui) input[type="checkbox"],
.mdst-checkbox {
  -webkit-appearance: none;
  appearance: none;
  box-sizing: content-box;
  flex-shrink: 0;
  width: 0.875rem;
  height: 0.875rem;
  margin: 0;
  background: var(--mdst-color-bg);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: 0;
  cursor: pointer;
  position: relative;
  transition: border-color var(--mdst-transition);
}

:where(.mdst-ui) input[type="checkbox"]:checked::after,
.mdst-checkbox:checked::after {
  content: "";
  position: absolute;
  inset: 2px;
  background: var(--mdst-color-fg);
}

:where(.mdst-ui) input[type="checkbox"]:hover,
.mdst-checkbox:hover {
  border-color: var(--mdst-color-muted);
}

:where(.mdst-ui) input[type="checkbox"]:focus-visible,
.mdst-checkbox:focus-visible {
  outline: var(--mdst-border-width) solid var(--mdst-color-focus);
  outline-offset: var(--mdst-border-width);
}

:where(.mdst-ui) input[type="checkbox"]:disabled,
.mdst-checkbox:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

:where(.mdst-ui) input[type="checkbox"]:disabled:hover,
.mdst-checkbox:disabled:hover {
  border-color: var(--mdst-color-border);
}

/* Checkbox with label wrapper */

:where(.mdst-ui) label:has(> input[type="checkbox"]),
.mdst-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--mdst-space-sm);
  font-size: inherit;
  line-height: var(--mdst-line-height);
  cursor: pointer;
  user-select: none;
}

:where(.mdst-ui) label:has(> input[type="checkbox"]:disabled),
.mdst-checkbox-label:has(.mdst-checkbox:disabled) {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Toggle variant */

.mdst-checkbox--toggle {
  -webkit-appearance: none;
  appearance: none;
  box-sizing: content-box;
  flex-shrink: 0;
  width: 2.125rem;
  height: 1.125rem;
  margin: 0;
  background: var(--mdst-color-subtle);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: 0;
  cursor: pointer;
  position: relative;
  transition:
    background var(--mdst-transition),
    border-color var(--mdst-transition);

  &::before {
    content: "";
    position: absolute;
    height: 0.875rem;
    width: 0.875rem;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--mdst-color-muted);
    transition:
      transform var(--mdst-transition),
      background var(--mdst-transition);
  }

  &:checked {
    background: var(--mdst-color-fg);
    border-color: var(--mdst-color-fg);

    &::before {
      transform: translateY(-50%) translateX(1rem);
      background: var(--mdst-color-bg);
    }
  }

  &:hover {
    border-color: var(--mdst-color-muted);
  }

  &:focus-visible {
    outline: 2px solid var(--mdst-color-focus);
    outline-offset: 2px;
  }

  &:disabled {
    opacity: 0.5;
    cursor: not-allowed;

    &:hover {
      border-color: var(--mdst-color-border);
    }
  }

  /* Toggle rounded variant */

  &.mdst-checkbox--toggle-rounded {
    border-radius: 9999px;

    &::before {
      border-radius: 50%;
    }
  }
}

/* Code - Inline code snippets */

:where(.mdst-ui) code,
.mdst-code {
  font-family: var(--mdst-font-mono);
  font-size: 0.875em;
  background: var(--mdst-color-subtle);
  border: 0.0625em solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  padding: 0.125em 0.375em;
  word-break: break-word;
}

/* Color Picker */

.mdst-color-picker {
  display: inline-flex;
  align-items: center;
  gap: var(--mdst-space-sm);

  & .mdst-color-picker__input {
    -webkit-appearance: none;
    appearance: none;
    width: var(--mdst-space-8);
    height: var(--mdst-space-8);
    padding: 0;
    background: none;
    border: var(--mdst-border-width) solid var(--mdst-color-border);
    border-radius: 50%;
    cursor: pointer;
    outline: none;
    transition: border-color var(--mdst-transition);

    &:focus-visible {
      outline: var(--mdst-border-width) solid var(--mdst-color-focus);
      outline-offset: var(--mdst-border-width);
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    /* Webkit (Chrome, Safari, Edge) */

    &::-webkit-color-swatch-wrapper {
      padding: 0;
    }

    &::-webkit-color-swatch {
      border: none;
      border-radius: 50%;
    }

    /* Firefox */

    &::-moz-color-swatch {
      border: none;
      border-radius: 50%;
    }
  }

  /* Text input variant */

  & .mdst-color-picker__text {
    -webkit-appearance: none;
    appearance: none;
    width: 5rem;
    height: var(--mdst-space-8);
    padding: 0 var(--mdst-space-sm);
    font-family: var(--mdst-font-mono);
    font-size: var(--mdst-text-sm);
    text-transform: uppercase;
    color: var(--mdst-color-fg);
    background: var(--mdst-color-bg);
    border: var(--mdst-border-width) solid var(--mdst-color-border);
    border-radius: var(--mdst-radius);
    outline: none;
    transition: border-color var(--mdst-transition);

    &::placeholder {
      color: var(--mdst-color-muted);
      text-transform: none;
    }

    &:focus {
      border-color: var(--mdst-color-focus);
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }
  }

  /* Square variant */

  &.mdst-color-picker--square .mdst-color-picker__input {
    border-radius: var(--mdst-radius);

    &::-webkit-color-swatch {
      border-radius: var(--mdst-radius);
    }

    &::-moz-color-swatch {
      border-radius: var(--mdst-radius);
    }
  }
}

/* Details (Toggle/Disclosure) */

:where(.mdst-ui) details,
.mdst-details {
  position: relative;
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-bg);
}

:where(.mdst-ui) details > summary,
.mdst-details > summary {
  display: flex;
  align-items: center;
  gap: var(--mdst-space-sm);
  padding: var(--mdst-space-md);
  cursor: pointer;
  user-select: none;
  list-style: none;
  font-weight: 500;
  transition: background var(--mdst-transition);
}

:where(.mdst-ui) details > summary::-webkit-details-marker,
.mdst-details > summary::-webkit-details-marker {
  display: none;
}

:where(.mdst-ui) details > summary::before,
.mdst-details > summary::before {
  content: "";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E");
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  transition: transform var(--mdst-transition);
}

:where(.mdst-ui) details > summary:hover,
.mdst-details > summary:hover {
  color: var(--mdst-color-muted);
}

:where(.mdst-ui) details > summary:focus-visible,
.mdst-details > summary:focus-visible {
  outline: var(--mdst-border-width) solid var(--mdst-color-focus);
  outline-offset: calc(-1 * var(--mdst-border-width));
}

:where(.mdst-ui) details[open] > summary::before,
.mdst-details[open] > summary::before {
  transform: rotate(90deg);
}

/* Content area - only style when open */

:where(.mdst-ui) details[open]::details-content,
.mdst-details[open]::details-content {
  padding: var(--mdst-space-md);
  border-top: var(--mdst-border-width) solid var(--mdst-color-border);
}

/* Variants */

:where(.mdst-ui) details.mdst-details--borderless,
.mdst-details.mdst-details--borderless {
  border: none;
}

:where(.mdst-ui) details.mdst-details--borderless[open]::details-content,
.mdst-details.mdst-details--borderless[open]::details-content {
  border-top: none;
  padding-left: calc(1em + var(--mdst-space-sm));
}

:where(.mdst-ui) details.mdst-details--compact > summary,
.mdst-details.mdst-details--compact > summary {
  padding: var(--mdst-space-sm) var(--mdst-space-md);
}

:where(.mdst-ui) details.mdst-details--compact[open]::details-content,
.mdst-details.mdst-details--compact[open]::details-content {
  padding: var(--mdst-space-sm) var(--mdst-space-md);
}

/* Section variant - collapsible header style */

:where(.mdst-ui) details.mdst-details--section,
.mdst-details.mdst-details--section {
  border: none;
  border-radius: 0;
  background: transparent;
}

:where(.mdst-ui) details.mdst-details--section > summary,
.mdst-details.mdst-details--section > summary {
  padding: var(--mdst-space-sm) 0;
  font-size: var(--mdst-text-lg);
  font-weight: 600;
  border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
}

:where(.mdst-ui) details.mdst-details--section > summary::before,
.mdst-details.mdst-details--section > summary::before {
  order: 1;
  margin-left: auto;
  width: 1.25em;
  height: 1.25em;
}

:where(.mdst-ui) details.mdst-details--section[open] > summary,
.mdst-details.mdst-details--section[open] > summary {
  border-bottom-color: transparent;
}

:where(.mdst-ui) details.mdst-details--section[open]::details-content,
.mdst-details.mdst-details--section[open]::details-content {
  padding: var(--mdst-space-sm) 0 var(--mdst-space-md);
  border-top: none;
  border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
}

/* Dialog */

:where(.mdst-ui) dialog,
.mdst-dialog {
  padding: 0;
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  max-width: min(90vw, 32rem);
  max-height: 90vh;

  /* Center the dialog */
  margin: auto;
  position: fixed;
  inset: 0;
  width: fit-content;
  height: fit-content;
}

:where(.mdst-ui) dialog::backdrop,
.mdst-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

/* Dialog Header */

:where(.mdst-ui) dialog .mdst-dialog-header,
.mdst-dialog .mdst-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--mdst-space-md);
  padding: var(--mdst-space-md);
  border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
}

:where(.mdst-ui) dialog .mdst-dialog-title,
.mdst-dialog .mdst-dialog-title {
  margin: 0;
  font-size: var(--mdst-text-lg);
  font-weight: 600;
  line-height: var(--mdst-line-height);
}

:where(.mdst-ui) dialog .mdst-dialog-close,
.mdst-dialog .mdst-dialog-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--mdst-space-xs);
  background: transparent;
  border: none;
  border-radius: var(--mdst-radius);
  cursor: pointer;
  color: var(--mdst-color-muted);
  transition: color var(--mdst-transition);
}

:where(.mdst-ui) dialog .mdst-dialog-close:hover,
.mdst-dialog .mdst-dialog-close:hover {
  background: transparent;
  border: none;
  color: var(--mdst-color-fg);
}

:where(.mdst-ui) dialog .mdst-dialog-close:focus-visible,
.mdst-dialog .mdst-dialog-close:focus-visible {
  outline: var(--mdst-border-width) solid var(--mdst-color-focus);
  outline-offset: var(--mdst-border-width);
}

/* Dialog Body */

:where(.mdst-ui) dialog .mdst-dialog-body,
.mdst-dialog .mdst-dialog-body {
  padding: var(--mdst-space-md);
  overflow-y: auto;
}

/* Dialog Footer */

:where(.mdst-ui) dialog .mdst-dialog-footer,
.mdst-dialog .mdst-dialog-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--mdst-space-sm);
  padding: var(--mdst-space-md);
  border-top: var(--mdst-border-width) solid var(--mdst-color-border);
}

/* Variants */

:where(.mdst-ui) dialog.mdst-dialog--sm,
.mdst-dialog.mdst-dialog--sm {
  max-width: min(90vw, 24rem);
}

:where(.mdst-ui) dialog.mdst-dialog--lg,
.mdst-dialog.mdst-dialog--lg {
  max-width: min(90vw, 48rem);
}

:where(.mdst-ui) dialog.mdst-dialog--full,
.mdst-dialog.mdst-dialog--full {
  max-width: 90vw;
  max-height: 90vh;
}

/* Drawer */

:where(.mdst-ui) dialog.mdst-drawer,
.mdst-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: auto;
  width: 20rem;
  max-width: 100vw;
  max-height: none;
  height: 100%;
  margin: 0;
  padding: 0;
  border: none;
  border-left: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: 0;
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  overflow: hidden;
  flex-direction: column;

  /* Closed state (exit animation target) */
  transform: translateX(100%);
  transition:
    transform 200ms ease-out,
    opacity 200ms ease-out,
    overlay 200ms ease-out allow-discrete,
    display 200ms ease-out allow-discrete;

  &[open] {
    display: flex;
    transform: translateX(0);

    @starting-style {
      transform: translateX(100%);
    }
  }
}

/* Backdrop */

:where(.mdst-ui) dialog.mdst-drawer::backdrop,
.mdst-drawer::backdrop {
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition:
    opacity 200ms ease-out,
    overlay 200ms ease-out allow-discrete,
    display 200ms ease-out allow-discrete;
}

:where(.mdst-ui) dialog.mdst-drawer[open]::backdrop,
.mdst-drawer[open]::backdrop {
  opacity: 1;

  @starting-style {
    opacity: 0;
  }
}

/* Position: left */

:where(.mdst-ui) dialog.mdst-drawer.mdst-drawer--left,
.mdst-drawer.mdst-drawer--left {
  right: auto;
  left: 0;
  border-left: none;
  border-right: var(--mdst-border-width) solid var(--mdst-color-border);
  transform: translateX(-100%);

  &[open] {
    transform: translateX(0);

    @starting-style {
      transform: translateX(-100%);
    }
  }
}

/* Sizes */

:where(.mdst-ui) dialog.mdst-drawer.mdst-drawer--sm,
.mdst-drawer.mdst-drawer--sm {
  width: 16rem;
}

:where(.mdst-ui) dialog.mdst-drawer.mdst-drawer--lg,
.mdst-drawer.mdst-drawer--lg {
  width: 28rem;
}

:where(.mdst-ui) dialog.mdst-drawer.mdst-drawer--full,
.mdst-drawer.mdst-drawer--full {
  width: 100%;
  border-left: none;
  border-right: none;
}

/* Header */

:where(.mdst-ui) dialog.mdst-drawer .mdst-drawer-header,
.mdst-drawer .mdst-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--mdst-space-md);
  padding: var(--mdst-space-md);
  border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
  flex-shrink: 0;
}

/* Body */

:where(.mdst-ui) dialog.mdst-drawer .mdst-drawer-body,
.mdst-drawer .mdst-drawer-body {
  padding: var(--mdst-space-md);
  overflow-y: auto;
  flex: 1;
}

/* Footer */

:where(.mdst-ui) dialog.mdst-drawer .mdst-drawer-footer,
.mdst-drawer .mdst-drawer-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--mdst-space-sm);
  padding: var(--mdst-space-md);
  border-top: var(--mdst-border-width) solid var(--mdst-color-border);
  flex-shrink: 0;
}

/* Close button */

:where(.mdst-ui) dialog.mdst-drawer .mdst-drawer-close,
.mdst-drawer .mdst-drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--mdst-space-xs);
  background: transparent;
  border: none;
  border-radius: var(--mdst-radius);
  cursor: pointer;
  color: var(--mdst-color-muted);
  transition: color var(--mdst-transition);

  &:hover {
    color: var(--mdst-color-fg);
  }

  &:focus-visible {
    outline: var(--mdst-border-width) solid var(--mdst-color-focus);
    outline-offset: var(--mdst-border-width);
  }
}

/* Dropdown (Native Select) */

:where(.mdst-ui) select,
.mdst-dropdown {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  margin: 0;
  padding: var(--mdst-space-sm);
  padding-right: calc(var(--mdst-space-sm) + 1.2em);
  font-family: inherit;
  font-size: inherit;
  line-height: var(--mdst-line-height);
  color: var(--mdst-color-fg);
  background-color: var(--mdst-color-bg);
  background-image:
    linear-gradient(to top right, transparent 50%, var(--mdst-color-fg) 50%),
    linear-gradient(to top left, transparent 50%, var(--mdst-color-fg) 50%);
  background-size:
    0.3rem 0.3rem,
    0.3rem 0.3rem;
  background-position:
    right calc(var(--mdst-space-sm) + 0.3rem) center,
    right var(--mdst-space-sm) center;
  background-repeat: no-repeat;
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  outline: none;
  cursor: pointer;
  transition: border-color var(--mdst-transition);
}

:where(.mdst-ui) select:hover,
.mdst-dropdown:hover {
  border-color: var(--mdst-color-muted);
}

:where(.mdst-ui) select:focus,
.mdst-dropdown:focus {
  border-color: var(--mdst-color-focus);
}

:where(.mdst-ui) select:disabled,
.mdst-dropdown:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

:where(.mdst-ui) select:disabled:hover,
.mdst-dropdown:disabled:hover {
  border-color: var(--mdst-color-border);
}

/* Variants */

:where(.mdst-ui) select.mdst-dropdown--ghost,
.mdst-dropdown.mdst-dropdown--ghost {
  border-color: transparent;
  background-color: transparent;
}

:where(.mdst-ui) select.mdst-dropdown--ghost:hover,
.mdst-dropdown.mdst-dropdown--ghost:hover {
  border-color: var(--mdst-color-border);
}

:where(.mdst-ui) select.mdst-dropdown--ghost:focus,
.mdst-dropdown.mdst-dropdown--ghost:focus {
  border-color: var(--mdst-color-focus);
}

/* Sizes */

:where(.mdst-ui) select.mdst-dropdown--sm,
.mdst-dropdown.mdst-dropdown--sm {
  padding: var(--mdst-space-xs) var(--mdst-space-sm);
  padding-right: calc(var(--mdst-space-sm) + 1.5em);
  font-size: var(--mdst-text-sm);
  background-position:
    right calc(var(--mdst-space-sm) + 0.3rem) center,
    right var(--mdst-space-sm) center;
}

:where(.mdst-ui) select.mdst-dropdown--lg,
.mdst-dropdown.mdst-dropdown--lg {
  padding: var(--mdst-space-md) var(--mdst-space-md);
  padding-right: calc(var(--mdst-space-md) + 1.2em);
  background-position:
    right calc(var(--mdst-space-md) + 0.3rem) center,
    right var(--mdst-space-md) center;
}

/* Inline variant (auto-width) */

:where(.mdst-ui) select.mdst-dropdown--inline,
.mdst-dropdown.mdst-dropdown--inline {
  display: inline-block;
  width: auto;
}

/* File Input */

/* Classless: bare input[type="file"] inside .mdst-ui */

:where(.mdst-ui) input[type="file"] {
  display: block;
  width: 100%;
  color: var(--mdst-color-muted);
  cursor: pointer;
  padding: var(--mdst-space-sm);
  font-family: inherit;
  font-size: inherit;
  line-height: var(--mdst-line-height);
  background-color: var(--mdst-color-bg);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  outline: none;
  transition: border-color var(--mdst-transition);
}

:where(.mdst-ui) input[type="file"]:focus {
  border-color: var(--mdst-color-focus);
}

:where(.mdst-ui) input[type="file"]::file-selector-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--mdst-space-xs);
  padding: var(--mdst-space-xs) var(--mdst-space-md);
  margin-right: var(--mdst-space-md);
  font-family: inherit;
  font-size: inherit;
  line-height: var(--mdst-line-height);
  color: var(--mdst-color-fg);
  background: var(--mdst-color-bg);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  cursor: pointer;
  transition:
    background var(--mdst-transition),
    color var(--mdst-transition),
    border-color var(--mdst-transition);
}

:where(.mdst-ui) input[type="file"]:hover::file-selector-button {
  background: var(--mdst-button-hover-bg);
  color: var(--mdst-button-hover-color);
  border-color: var(--mdst-button-hover-border);
}

:where(.mdst-ui) input[type="file"]:disabled::file-selector-button {
  cursor: not-allowed;
}

:where(.mdst-ui) input[type="file"]:disabled:hover::file-selector-button {
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  border-color: var(--mdst-color-border);
}

/* Classless variant modifiers on bare file inputs */

:where(.mdst-ui) input[type="file"].mdst-file-input--inverted::file-selector-button,
.mdst-file-input.mdst-file-input--inverted .mdst-file-input__field::file-selector-button {
  background: var(--mdst-color-fg);
  color: var(--mdst-color-bg);
}

:where(.mdst-ui) input[type="file"].mdst-file-input--inverted:hover::file-selector-button,
.mdst-file-input.mdst-file-input--inverted .mdst-file-input__field:hover::file-selector-button {
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
}

:where(.mdst-ui) input[type="file"].mdst-file-input--borderless,
.mdst-file-input.mdst-file-input--borderless .mdst-file-input__field {
  border-color: transparent;
  padding: 0;
}

:where(.mdst-ui) input[type="file"].mdst-file-input--borderless:focus-visible,
.mdst-file-input.mdst-file-input--borderless .mdst-file-input__field:focus-visible {
  border-color: var(--mdst-color-focus);
}

/* Class-based: wrapper + field pattern */

.mdst-file-input {
  display: block;
  width: 100%;

  & .mdst-file-input__field {
    color: var(--mdst-color-muted);
    cursor: pointer;

    &::file-selector-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: var(--mdst-space-xs);
      padding: var(--mdst-space-xs) var(--mdst-space-md);
      margin-right: var(--mdst-space-md);
      font-family: inherit;
      font-size: inherit;
      line-height: var(--mdst-line-height);
      color: var(--mdst-color-fg);
      background: var(--mdst-color-bg);
      border: var(--mdst-border-width) solid var(--mdst-color-border);
      border-radius: var(--mdst-radius);
      cursor: pointer;
      transition:
        background var(--mdst-transition),
        color var(--mdst-transition),
        border-color var(--mdst-transition);
    }

    &:hover::file-selector-button {
      background: var(--mdst-button-hover-bg);
      color: var(--mdst-button-hover-color);
      border-color: var(--mdst-button-hover-border);
    }

    &:disabled::file-selector-button {
      cursor: not-allowed;
    }

    &:disabled:hover::file-selector-button {
      background: var(--mdst-color-bg);
      color: var(--mdst-color-fg);
      border-color: var(--mdst-color-border);
    }
  }
}

/* Input */

:where(.mdst-ui)
  input:not(
    [type="checkbox"],
    [type="radio"],
    [type="range"],
    [type="file"],
    [type="color"],
    [type="submit"],
    [type="reset"],
    [type="button"],
    [type="hidden"]
  ),
:where(.mdst-ui) textarea,
.mdst-input {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  margin: 0;
  padding: var(--mdst-space-sm);
  font-family: inherit;
  font-size: inherit;
  line-height: var(--mdst-line-height);
  color: var(--mdst-color-fg);
  background-color: var(--mdst-color-bg);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  outline: none;
  transition: border-color var(--mdst-transition);
}

:where(.mdst-ui)
  input:not(
    [type="checkbox"],
    [type="radio"],
    [type="range"],
    [type="file"],
    [type="color"],
    [type="submit"],
    [type="reset"],
    [type="button"],
    [type="hidden"]
  )::placeholder,
:where(.mdst-ui) textarea::placeholder,
.mdst-input::placeholder {
  color: var(--mdst-color-muted);
  opacity: 1;
}

:where(.mdst-ui)
  input:not(
    [type="checkbox"],
    [type="radio"],
    [type="range"],
    [type="file"],
    [type="color"],
    [type="submit"],
    [type="reset"],
    [type="button"],
    [type="hidden"]
  ):focus,
:where(.mdst-ui) textarea:focus,
.mdst-input:focus {
  border-color: var(--mdst-color-focus);
}

:where(.mdst-ui)
  input:not(
    [type="checkbox"],
    [type="radio"],
    [type="range"],
    [type="file"],
    [type="color"],
    [type="submit"],
    [type="reset"],
    [type="button"],
    [type="hidden"]
  ):disabled,
:where(.mdst-ui) textarea:disabled,
.mdst-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Textarea variant */

:where(.mdst-ui) textarea,
.mdst-input:is(textarea) {
  min-height: 6rem;
  resize: vertical;
}

/*
 * OTP Input
 *
 * Usage:
 * <div class="mdst-otp-input">
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 * </div>
 *
 * With separator:
 * <div class="mdst-otp-input">
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 *   <span class="mdst-otp-input-separator"></span>
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 *   <input type="text" maxlength="1" class="mdst-otp-input-digit" inputmode="numeric">
 * </div>
 */

.mdst-otp-input {
  display: inline-flex;
  gap: var(--mdst-space-sm);
  align-items: center;

  & .mdst-otp-input-digit {
    width: 1.5em;
    height: 2em;
    padding: 0;
    border: var(--mdst-border-width) solid var(--mdst-color-border);
    border-radius: var(--mdst-radius);
    background: var(--mdst-color-bg);
    color: var(--mdst-color-fg);
    font-family: var(--mdst-font-mono);
    font-size: 1.25em;
    text-align: center;
    caret-color: var(--mdst-color-fg);
    transition: border-color var(--mdst-transition);

    &:focus {
      outline: none;
      border-color: var(--mdst-color-focus);
    }

    &::placeholder {
      color: var(--mdst-color-muted);
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    /* Filled state - when digit has a value */
    &:not(:placeholder-shown) {
      border-color: var(--mdst-color-fg);
    }
  }

  /* Separator (e.g., dash between groups) */

  & .mdst-otp-input-separator {
    width: 0.5em;
    height: 0.0625em;
    background: var(--mdst-color-border);
  }

  /* Error state */

  &.mdst-otp-input--error .mdst-otp-input-digit {
    border-color: var(--mdst-color-error);
  }

  /* Success state */

  &.mdst-otp-input--success .mdst-otp-input-digit {
    border-color: var(--mdst-color-success);
  }
}

/* Password Input */

.mdst-password-input {
  display: flex;
  position: relative;
  width: 100%;
  cursor: text;

  &:has(.mdst-password-input__toggle:checked) .mdst-password-input__field {
    -webkit-text-security: none;
  }

  &:has(.mdst-password-input__field:disabled) .mdst-password-input__toggle {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
  }

  & .mdst-password-input__field {
    padding-right: calc(var(--mdst-space-md) + 1.5em + var(--mdst-space-sm));
    -webkit-text-security: disc;

    &::placeholder {
      -webkit-text-security: none;
    }
  }

  /* Toggle — the checkbox itself, styled as the eye icon */

  & .mdst-password-input__toggle {
    -webkit-appearance: none;
    appearance: none;
    position: absolute;
    right: var(--mdst-space-sm);
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5em;
    height: 1.5em;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    color: var(--mdst-color-muted);
    cursor: pointer;
    transition: color var(--mdst-transition);

    &:hover {
      color: var(--mdst-color-fg);
    }

    &:focus-visible {
      outline: var(--mdst-border-width) solid var(--mdst-color-focus);
      outline-offset: var(--mdst-border-width);
    }

    /* Toggle icon — eye-off by default (password is hidden) */

    &::before {
      content: "";
      display: block;
      width: 1em;
      height: 1em;
      background-color: currentColor;
      -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10.733 5.076a10.744 10.744 0 0 1 11.205 6.575 1 1 0 0 1 0 .696 10.747 10.747 0 0 1-1.444 2.49'/%3E%3Cpath d='M14.084 14.158a3 3 0 0 1-4.242-4.242'/%3E%3Cpath d='M17.479 17.499a10.75 10.75 0 0 1-15.417-5.151 1 1 0 0 1 0-.696 10.75 10.75 0 0 1 4.446-5.143'/%3E%3Cpath d='m2 2 20 20'/%3E%3C/svg%3E");
      mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10.733 5.076a10.744 10.744 0 0 1 11.205 6.575 1 1 0 0 1 0 .696 10.747 10.747 0 0 1-1.444 2.49'/%3E%3Cpath d='M14.084 14.158a3 3 0 0 1-4.242-4.242'/%3E%3Cpath d='M17.479 17.499a10.75 10.75 0 0 1-15.417-5.151 1 1 0 0 1 0-.696 10.75 10.75 0 0 1 4.446-5.143'/%3E%3Cpath d='m2 2 20 20'/%3E%3C/svg%3E");
      -webkit-mask-repeat: no-repeat;
      mask-repeat: no-repeat;
      -webkit-mask-position: center;
      mask-position: center;
      -webkit-mask-size: contain;
      mask-size: contain;
    }

    /* Checked state — reveal password, swap to eye icon */

    &:checked::before {
      -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.062 12.348a1 1 0 0 1 0-.696 10.75 10.75 0 0 1 19.876 0 1 1 0 0 1 0 .696 10.75 10.75 0 0 1-19.876 0'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
      mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.062 12.348a1 1 0 0 1 0-.696 10.75 10.75 0 0 1 19.876 0 1 1 0 0 1 0 .696 10.75 10.75 0 0 1-19.876 0'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
    }
  }
}

/* Popover */

.mdst-popover {
  padding: var(--mdst-space-md);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);

  /* Default: centered on page */
  margin: auto;
  position: fixed;
  inset: 0;
  width: fit-content;
  height: fit-content;

  &:popover-open {
    opacity: 1;
  }

  /* Anchored positioning - use with anchor="" HTML attribute */

  &.mdst-popover--anchored {
    position: absolute;
    inset: unset;
    margin: 0;
    position-area: bottom;
    margin-top: var(--mdst-space-xs);
  }

  /* Variants */

  &.mdst-popover--sm {
    padding: var(--mdst-space-sm);
    font-size: var(--mdst-text-sm);
  }

  &.mdst-popover--lg {
    padding: var(--mdst-space-lg);
    max-width: 24rem;
  }
}

/* Pre — block code/JSON display */

:where(.mdst-ui) pre,
.mdst-pre {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: var(--mdst-space-md);
  margin: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  white-space: pre-wrap;
  font-family: var(--mdst-font-mono);
  font-size: var(--mdst-text-sm);
  line-height: var(--mdst-line-height);
  color: var(--mdst-color-fg);
  background-color: var(--mdst-color-subtle);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  tab-size: 2;
  -moz-tab-size: 2;
}

:where(.mdst-ui) pre:focus,
.mdst-pre:focus {
  outline: 0.125em solid var(--mdst-color-focus);
  outline-offset: 0.125em;
}

/* Nested code inside pre — reset styles */

:where(.mdst-ui) pre code,
:where(.mdst-ui) pre .mdst-code,
.mdst-pre code,
.mdst-pre .mdst-code {
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  font-size: inherit;
  word-break: break-word;
}

/* Variants */

:where(.mdst-ui) pre.mdst-pre--borderless,
.mdst-pre.mdst-pre--borderless {
  border: none;
}

:where(.mdst-ui) pre.mdst-pre--compact,
.mdst-pre.mdst-pre--compact {
  padding: var(--mdst-space-sm);
}

/* Allow horizontal scroll if explicitly needed */

:where(.mdst-ui) pre.mdst-pre--scroll,
.mdst-pre.mdst-pre--scroll {
  overflow-x: auto;
  overflow-wrap: normal;
  word-wrap: normal;
  word-break: normal;
  white-space: pre;
}

/* Progress Bar */

:where(.mdst-ui) progress,
.mdst-progress {
  appearance: none;
  -webkit-appearance: none;
  display: block;
  width: 100%;
  height: var(--mdst-space-sm);
  border: none;
  border-radius: var(--mdst-radius);
  overflow: hidden;
  background: var(--mdst-color-subtle);
  color: var(--mdst-color-fg);

  /* Webkit (Chrome, Safari, Edge) - bar background */

  &::-webkit-progress-bar {
    background: var(--mdst-color-subtle);
    border-radius: var(--mdst-radius);
  }

  /* Webkit - value fill */

  &::-webkit-progress-value {
    background: var(--mdst-color-fg);
    border-radius: var(--mdst-radius);
    transition: width var(--mdst-transition);
  }

  /* Firefox - value fill */

  &::-moz-progress-bar {
    background: var(--mdst-color-fg);
    border-radius: var(--mdst-radius);
  }

  /* Status: Error */

  &.mdst-progress--error {
    color: var(--mdst-color-error);

    &::-webkit-progress-value {
      background: var(--mdst-color-error);
    }

    &::-moz-progress-bar {
      background: var(--mdst-color-error);
    }
  }

  /* Status: Success */

  &.mdst-progress--success {
    color: var(--mdst-color-success);

    &::-webkit-progress-value {
      background: var(--mdst-color-success);
    }

    &::-moz-progress-bar {
      background: var(--mdst-color-success);
    }
  }

  /* Size: Small */

  &.mdst-progress--sm {
    height: var(--mdst-space-xs);
  }

  /* Size: Large */

  &.mdst-progress--lg {
    height: var(--mdst-space-md);
  }
}

/* Radio */

:where(.mdst-ui) input[type="radio"],
.mdst-radio {
  -webkit-appearance: none;
  appearance: none;
  flex-shrink: 0;
  width: 0.875rem;
  height: 0.875rem;
  margin: 0;
  background: var(--mdst-color-bg);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  box-sizing: content-box;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
}

:where(.mdst-ui) input[type="radio"]:checked::after,
.mdst-radio:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--mdst-color-fg);
  border-radius: 50%;
}

:where(.mdst-ui) input[type="radio"]:hover,
.mdst-radio:hover {
  border-color: var(--mdst-color-muted);
}

:where(.mdst-ui) input[type="radio"]:focus-visible,
.mdst-radio:focus-visible {
  outline: var(--mdst-border-width) solid var(--mdst-color-focus);
  outline-offset: var(--mdst-border-width);
}

:where(.mdst-ui) input[type="radio"]:disabled,
.mdst-radio:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

:where(.mdst-ui) input[type="radio"]:disabled:hover,
.mdst-radio:disabled:hover {
  border-color: var(--mdst-color-border);
}

/* Radio with label wrapper */

:where(.mdst-ui) label:has(> input[type="radio"]),
.mdst-radio-label {
  display: inline-flex;
  align-items: center;
  gap: var(--mdst-space-sm);
  font-size: inherit;
  line-height: var(--mdst-line-height);
  cursor: pointer;
  user-select: none;
}

:where(.mdst-ui) label:has(> input[type="radio"]:disabled),
.mdst-radio-label:has(.mdst-radio:disabled) {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Radio group */

.mdst-radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--mdst-space-sm);

  &.mdst-radio-group--horizontal {
    flex-direction: row;
    gap: var(--mdst-space-md);
  }
}

/* Radio card — content-rich selectable cards */

.mdst-radio-card {
  display: block;
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  padding: var(--mdst-space-md);
  cursor: pointer;
  text-align: center;
  user-select: none;
  border-radius: var(--mdst-radius);
  overflow: hidden;

  /* Visually hide the native radio input while keeping it keyboard-accessible */
  & .mdst-radio {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  &:hover {
    background: var(--mdst-color-subtle);
  }

  &:has(.mdst-radio:checked) {
    border-color: var(--mdst-color-fg);
    outline: calc(var(--mdst-border-width) * 2) solid var(--mdst-color-fg);
    outline-offset: calc(-1 * var(--mdst-border-width));
  }

  &:has(.mdst-radio:focus-visible) {
    outline: calc(var(--mdst-border-width) * 2) solid var(--mdst-color-focus);
    outline-offset: calc(-1 * var(--mdst-border-width));
  }

  &:has(.mdst-radio:disabled) {
    opacity: 0.5;
    cursor: not-allowed;

    &:hover {
      background: transparent;
    }
  }
}

/* Radio card group — grid layout for cards */

.mdst-radio-card-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--mdst-space-sm);
}

/* Range Slider */

:where(.mdst-ui) input[type="range"],
.mdst-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: var(--mdst-space-1);
  background: var(--mdst-color-fg);
  border-radius: var(--mdst-space-1);
  box-shadow: none;
  cursor: pointer;
  outline: none;
}

:where(.mdst-ui) input[type="range"]:focus-visible,
.mdst-range:focus-visible {
  outline: var(--mdst-border-width) solid var(--mdst-color-focus);
  outline-offset: var(--mdst-space-1);
}

:where(.mdst-ui) input[type="range"]:disabled,
.mdst-range:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

:where(.mdst-ui) input[type="range"]:disabled::-webkit-slider-thumb,
.mdst-range:disabled::-webkit-slider-thumb {
  cursor: not-allowed;
}

:where(.mdst-ui) input[type="range"]:disabled::-moz-range-thumb,
.mdst-range:disabled::-moz-range-thumb {
  cursor: not-allowed;
}

/* Webkit (Chrome, Safari, Edge) */

:where(.mdst-ui) input[type="range"]::-webkit-slider-thumb,
.mdst-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: var(--mdst-space-4);
  height: var(--mdst-space-4);
  box-sizing: border-box;
  background: var(--mdst-color-bg);
  border: calc(var(--mdst-space-px) * 3) solid var(--mdst-color-fg);
  border-radius: 50%;
  box-shadow: none;
  cursor: pointer;
  transition: background var(--mdst-transition);
}

/* Firefox */

:where(.mdst-ui) input[type="range"]::-moz-range-thumb,
.mdst-range::-moz-range-thumb {
  appearance: none;
  width: var(--mdst-space-4);
  height: var(--mdst-space-4);
  box-sizing: border-box;
  background: var(--mdst-color-bg);
  border: calc(var(--mdst-space-px) * 3) solid var(--mdst-color-fg);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--mdst-transition);
}

:where(.mdst-ui) input[type="range"]::-moz-range-track,
.mdst-range::-moz-range-track {
  background: transparent;
}

/* Skeleton */

@keyframes mdst-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.mdst-skeleton {
  display: block;
  height: 1em;
  width: 100%;
  border-radius: var(--mdst-radius);
  background: linear-gradient(
    90deg,
    var(--mdst-color-subtle) 25%,
    color-mix(in srgb, var(--mdst-color-subtle) 50%, var(--mdst-color-bg) 50%) 50%,
    var(--mdst-color-subtle) 75%
  );
  background-size: 200% 100%;
  animation: mdst-shimmer 1.5s ease-in-out infinite;

  /* Text line placeholder */

  &.mdst-skeleton--text {
    height: 1em;
    width: 100%;
  }

  /* Heading placeholder */

  &.mdst-skeleton--heading {
    height: 1.5em;
  }

  /* Circle shape — set size via inline style or custom class */

  &.mdst-skeleton--circle {
    width: 1em;
    height: 1em;
    border-radius: 50%;
  }
}

/* Spinner */

@keyframes mdst-spin {
  to {
    transform: rotate(360deg);
  }
}

.mdst-spinner {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: mdst-spin 0.6s linear infinite;
  vertical-align: middle;
  flex-shrink: 0;

  /* Sizes */

  &.mdst-spinner--sm {
    width: 0.875em;
    height: 0.875em;
    border-width: 1.5px;
  }

  &.mdst-spinner--lg {
    width: 2em;
    height: 2em;
    border-width: 3px;
  }
}


/* Stepper / Wizard */

.mdst-stepper {
  display: flex;
  align-items: flex-start;
  width: 100%;
  font-family: var(--mdst-font-sans);

  /* Step */

  & .mdst-stepper-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    text-align: center;

    /* Connector line between steps */

    &:not(:last-child)::after {
      content: "";
      position: absolute;
      top: 1rem;
      left: 50%;
      right: -50%;
      height: var(--mdst-border-width);
      background: var(--mdst-color-border);
    }

    /* Completed connector */

    &[data-state="completed"]:not(:last-child)::after {
      background: var(--mdst-color-fg);
    }

    /* States */

    &[data-state="completed"] {
      & .mdst-stepper-indicator {
        background: var(--mdst-color-fg);
        color: var(--mdst-color-bg);
        border-color: var(--mdst-color-fg);
      }

      & .mdst-stepper-label {
        color: var(--mdst-color-fg);
      }
    }

    &[data-state="active"] {
      & .mdst-stepper-indicator {
        border-color: var(--mdst-color-fg);
        font-weight: 700;
      }

      & .mdst-stepper-label {
        font-weight: 600;
        color: var(--mdst-color-fg);
      }
    }

    &[data-state="upcoming"] {
      & .mdst-stepper-indicator {
        border-color: var(--mdst-color-border);
        color: var(--mdst-color-muted);
      }

      & .mdst-stepper-label {
        color: var(--mdst-color-muted);
      }
    }

    &[data-state="error"] {
      & .mdst-stepper-indicator {
        border-color: var(--mdst-color-error);
        color: var(--mdst-color-error);
      }

      & .mdst-stepper-label {
        color: var(--mdst-color-error);
      }
    }
  }

  /* Indicator (circle) */

  & .mdst-stepper-indicator {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: var(--mdst-border-width) solid var(--mdst-color-border);
    font-size: var(--mdst-text-sm);
    font-weight: 600;
    background: var(--mdst-color-bg);
    color: var(--mdst-color-fg);
    position: relative;
    z-index: 1;
    transition:
      background var(--mdst-transition),
      color var(--mdst-transition),
      border-color var(--mdst-transition);
  }

  /* Label */

  & .mdst-stepper-label {
    margin-top: var(--mdst-space-xs);
    font-size: var(--mdst-text-sm);
    color: var(--mdst-color-fg);
    padding: 0 var(--mdst-space-xs);
    transition: color var(--mdst-transition);
  }

  /* Vertical variant */

  &.mdst-stepper--vertical {
    flex-direction: column;
    align-items: flex-start;

    & .mdst-stepper-step {
      flex-direction: row;
      align-items: flex-start;
      flex: none;
      width: 100%;
      text-align: left;

      /* Vertical connector */

      &:not(:last-child)::after {
        top: 2rem;
        left: 1rem;
        right: auto;
        width: var(--mdst-border-width);
        height: calc(100% - 2rem + var(--mdst-space-md));
        transform: translateX(-50%);
      }

      &:not(:last-child) {
        padding-bottom: var(--mdst-space-md);
      }
    }

    & .mdst-stepper-label {
      margin-top: 0;
      margin-left: var(--mdst-space-sm);
      padding: 0;
      line-height: 2rem;
    }
  }

  /* Compact variant */

  &.mdst-stepper--compact {
    & .mdst-stepper-indicator {
      width: 1.5rem;
      height: 1.5rem;
      font-size: var(--mdst-text-xs);
    }

    & .mdst-stepper-label {
      font-size: var(--mdst-text-xs);
    }

    & .mdst-stepper-step:not(:last-child)::after {
      top: 0.75rem;
      left: 50%;
      right: -50%;
    }

    /* Compact + vertical */

    &.mdst-stepper--vertical {
      & .mdst-stepper-step:not(:last-child)::after {
        top: 1.5rem;
        left: 0.75rem;
        height: calc(100% - 1.5rem + var(--mdst-space-sm));
      }

      & .mdst-stepper-label {
        line-height: 1.5rem;
      }

      & .mdst-stepper-step:not(:last-child) {
        padding-bottom: var(--mdst-space-sm);
      }
    }
  }
}

/* Table */

.mdst-table-wrap {
  width: 100%;
  overflow-x: auto;
}

:where(.mdst-ui) table,
.mdst-table {
  width: 100%;
  border-collapse: collapse;
  font-size: inherit;
}

:where(.mdst-ui) th,
.mdst-table th {
  text-align: left;
  font-size: var(--mdst-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mdst-color-muted);
  padding: var(--mdst-space-sm) var(--mdst-space-md) var(--mdst-space-sm) 0;
  border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
}

:where(.mdst-ui) th:last-child,
.mdst-table th:last-child {
  padding-right: 0;
}

:where(.mdst-ui) td,
.mdst-table td {
  padding: var(--mdst-space-md) var(--mdst-space-md) var(--mdst-space-md) 0;
  vertical-align: middle;
  border-bottom: var(--mdst-border-width) solid var(--mdst-color-subtle);
}

.mdst-table td > .mdst-pre {
  overflow-x: auto;
}

:where(.mdst-ui) td:last-child,
.mdst-table td:last-child {
  padding-right: 0;
}

:where(.mdst-ui) tbody tr:last-child td,
.mdst-table tbody tr:last-child td {
  border-bottom: none;
}

/* Variants */

:where(.mdst-ui) table.mdst-table--bordered,
.mdst-table.mdst-table--bordered {
  border: var(--mdst-border-width) solid var(--mdst-color-border);
}

:where(.mdst-ui) table.mdst-table--bordered th,
:where(.mdst-ui) table.mdst-table--bordered td,
.mdst-table.mdst-table--bordered th,
.mdst-table.mdst-table--bordered td {
  padding: var(--mdst-space-sm) var(--mdst-space-md);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
}

:where(.mdst-ui) table.mdst-table--striped tbody tr:nth-child(odd),
.mdst-table.mdst-table--striped tbody tr:nth-child(odd) {
  background: var(--mdst-color-subtle);
}

:where(.mdst-ui) table.mdst-table--compact th,
.mdst-table.mdst-table--compact th {
  padding: var(--mdst-space-xs) var(--mdst-space-sm) var(--mdst-space-xs) 0;
}

:where(.mdst-ui) table.mdst-table--compact th:last-child,
.mdst-table.mdst-table--compact th:last-child {
  padding-right: 0;
}

:where(.mdst-ui) table.mdst-table--compact td,
.mdst-table.mdst-table--compact td {
  padding: var(--mdst-space-sm) var(--mdst-space-sm) var(--mdst-space-sm) 0;
}

:where(.mdst-ui) table.mdst-table--compact td:last-child,
.mdst-table.mdst-table--compact td:last-child {
  padding-right: 0;
}

/* Fixed/Equal column widths */

:where(.mdst-ui) table.mdst-table--fixed,
.mdst-table.mdst-table--fixed {
  table-layout: fixed;
}

/* Stack variant - stacks rows on mobile */

@media (max-width: 480px) {
  :where(.mdst-ui) table.mdst-table--stack thead,
  .mdst-table--stack thead {
    display: none;
  }

  :where(.mdst-ui) table.mdst-table--stack tbody,
  :where(.mdst-ui) table.mdst-table--stack tr,
  :where(.mdst-ui) table.mdst-table--stack td,
  .mdst-table--stack tbody,
  .mdst-table--stack tr,
  .mdst-table--stack td {
    display: block;
    width: 100%;
  }

  :where(.mdst-ui) table.mdst-table--stack tr,
  .mdst-table--stack tr {
    padding: var(--mdst-space-md) 0;
    border-bottom: var(--mdst-border-width) solid var(--mdst-color-subtle);
  }

  :where(.mdst-ui) table.mdst-table--stack tbody tr:last-child,
  .mdst-table--stack tbody tr:last-child {
    border-bottom: none;
  }

  :where(.mdst-ui) table.mdst-table--stack td,
  .mdst-table--stack td {
    padding: 0;
    border-bottom: none;
  }

  :where(.mdst-ui) table.mdst-table--stack td:first-child,
  .mdst-table--stack td:first-child {
    margin-bottom: var(--mdst-space-sm);
  }
}

/* Tabs */

.mdst-tabs {
  display: flex;
  flex-direction: column;

  /* Tabs List */

  & .mdst-tabs-list {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;

    &::-webkit-scrollbar {
      display: none;
    }
    border-bottom: var(--mdst-border-width) solid var(--mdst-color-border);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  /* Individual Tab */

  & .mdst-tab {
    padding: var(--mdst-space-sm) var(--mdst-space-md);
    white-space: nowrap;
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    line-height: var(--mdst-line-height);
    color: var(--mdst-color-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: calc(-1 * var(--mdst-border-width));
    transition:
      color var(--mdst-transition),
      border-color var(--mdst-transition),
      background-color var(--mdst-transition);

    &:hover {
      color: var(--mdst-color-fg);
    }

    &[data-state="active"] {
      color: var(--mdst-color-fg);
      font-weight: 600;
      border-bottom-color: var(--mdst-color-fg);
    }

    &[data-state="inactive"] {
      color: var(--mdst-color-muted);
      border-bottom-color: transparent;
    }

    &[data-disabled],
    &[data-disabled="true"] {
      opacity: 0.5;
      cursor: not-allowed;

      &:hover {
        color: var(--mdst-color-muted);
      }
    }
  }

  /* Tab Panel */

  & .mdst-tabs-panel {
    padding: var(--mdst-space-md) 0;

    &[data-state="inactive"] {
      display: none;
    }

    &[data-state="active"] {
      display: block;
    }
  }

  /* Variant: Pills */

  &.mdst-tabs--pills {
    & .mdst-tabs-list {
      border-bottom: none;
      gap: var(--mdst-space-xs);
    }

    & .mdst-tab {
      border-bottom: none;
      margin-bottom: 0;
      border-radius: var(--mdst-radius);
      padding: var(--mdst-space-xs) var(--mdst-space-md);

      &[data-state="active"] {
        background: var(--mdst-color-fg);
        color: var(--mdst-color-bg);
      }

      &:hover:not([data-state="active"]):not([data-disabled]) {
        background: var(--mdst-color-surface);
        color: var(--mdst-color-fg);
      }
    }
  }

  /* Variant: Vertical */

  &.mdst-tabs--vertical {
    flex-direction: row;

    & .mdst-tabs-list {
      flex-direction: column;
      border-bottom: none;
      border-right: var(--mdst-border-width) solid var(--mdst-color-border);
      min-width: 10rem;
    }

    & .mdst-tab {
      border-bottom: none;
      margin-bottom: 0;
      border-right: 2px solid transparent;
      margin-right: calc(-1 * var(--mdst-border-width));
      text-align: left;

      &[data-state="active"] {
        border-right-color: var(--mdst-color-fg);
        border-bottom-color: transparent;
      }
    }

    & .mdst-tabs-panel {
      padding: 0 var(--mdst-space-md);
      flex: 1;
    }
  }

  /* Variant: Compact */

  &.mdst-tabs--compact {
    & .mdst-tab {
      padding: var(--mdst-space-xs) var(--mdst-space-sm);
      font-size: var(--mdst-text-sm);
    }

    & .mdst-tabs-panel {
      padding: var(--mdst-space-sm) 0;
    }
  }
}

/* Tag */

.mdst-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--mdst-space-xs);
  padding: 0.25em 0.5em;
  font-size: var(--mdst-text-sm);
  line-height: 1;
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  white-space: nowrap;
  vertical-align: middle;

  /* Variants */

  &.mdst-tag--solid {
    background: var(--mdst-color-fg);
    color: var(--mdst-color-bg);
  }

  &.mdst-tag--subtle {
    background: var(--mdst-color-subtle);
    border-color: transparent;
  }

  &.mdst-tag--ghost {
    border-color: transparent;
    background: transparent;
  }

  /* Status */

  &.mdst-tag--error {
    border-color: var(--mdst-color-error);
    color: var(--mdst-color-error);

    &.mdst-tag--solid {
      background: var(--mdst-color-error);
      color: var(--mdst-color-bg);
      border-color: var(--mdst-color-error);
    }

    &.mdst-tag--subtle {
      background: color-mix(in srgb, var(--mdst-color-error) 10%, transparent);
      border-color: transparent;
    }
  }

  &.mdst-tag--success {
    border-color: var(--mdst-color-success);
    color: var(--mdst-color-success);

    &.mdst-tag--solid {
      background: var(--mdst-color-success);
      color: var(--mdst-color-bg);
      border-color: var(--mdst-color-success);
    }

    &.mdst-tag--subtle {
      background: color-mix(in srgb, var(--mdst-color-success) 10%, transparent);
      border-color: transparent;
    }
  }

  &.mdst-tag--muted {
    border-color: var(--mdst-color-muted);
    color: var(--mdst-color-muted);

    &.mdst-tag--solid {
      background: var(--mdst-color-muted);
      color: var(--mdst-color-bg);
      border-color: var(--mdst-color-muted);
    }

    &.mdst-tag--subtle {
      background: var(--mdst-color-subtle);
      border-color: transparent;
      color: var(--mdst-color-muted);
    }
  }

  /* Sizes */

  &.mdst-tag--sm {
    font-size: var(--mdst-text-xs);
    padding: 0.1875em 0.375em;
  }

  &.mdst-tag--lg {
    font-size: var(--mdst-text-base);
    padding: 0.3125em 0.625em;
  }

  /* Pill shape */

  &.mdst-tag--pill {
    border-radius: 9999px;
    padding-inline: 0.75em;
  }

  /* Interactive (dismissible / clickable) */

  &.mdst-tag--interactive {
    cursor: pointer;
    transition: opacity var(--mdst-transition);

    &:hover {
      opacity: 0.75;
    }
  }

  /* Dismiss button inside a tag */

  & .mdst-tag-dismiss {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    border: none;
    background: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.6;
    font-size: 1em;
    line-height: 1;
    transition: opacity var(--mdst-transition-fast);

    &:hover {
      opacity: 1;
    }
  }
}

/* Toast */

.mdst-toast {
  display: flex;
  align-items: center;
  gap: var(--mdst-space-sm);
  padding: var(--mdst-space-sm) var(--mdst-space-md);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-bg);
  color: var(--mdst-color-fg);
  font-family: var(--mdst-font-sans);
  font-size: var(--mdst-text-sm);
  line-height: var(--mdst-line-height);
  transition:
    opacity 150ms ease-out,
    visibility 150ms;

  /* State: visible */

  &[data-state="visible"] {
    opacity: 1;
    visibility: visible;
  }

  /* State: hidden */

  &[data-state="hidden"] {
    opacity: 0;
    visibility: hidden;
  }

  /* Variant: success */

  &[data-variant="success"] {
    border-left: 3px solid var(--mdst-color-success);
  }

  /* Variant: error */

  &[data-variant="error"] {
    border-left: 3px solid var(--mdst-color-error);
  }

  /* Variant: warning */

  &[data-variant="warning"] {
    border-left: 3px solid var(--mdst-color-warning);
  }

  /* Variant: info */

  &[data-variant="info"] {
    border-left: 3px solid var(--mdst-color-fg);
  }
}

/* Toast close button */

.mdst-toast-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  margin-left: auto;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
  opacity: 0.6;
  font-size: 1em;
  line-height: 1;
  transition: opacity var(--mdst-transition-fast);

  &:hover {
    opacity: 1;
  }
}

/* Toast group (stacking container) */

.mdst-toast-group {
  position: fixed;
  bottom: var(--mdst-space-md);
  right: var(--mdst-space-md);
  display: flex;
  flex-direction: column;
  gap: var(--mdst-space-sm);
  z-index: 2000;
}

/* Tooltip (Popover-based) */

.mdst-tooltip {
  padding: var(--mdst-space-xs) var(--mdst-space-sm);
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-fg);
  color: var(--mdst-color-bg);
  font-size: var(--mdst-text-sm);
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.2);
  margin: 0;
  max-width: 16rem;
  text-align: center;

  /* Anchor positioning - use anchor attribute on HTML to link to trigger */
  position-area: bottom;
  margin-top: var(--mdst-space-xs);

  &:popover-open {
    opacity: 1;
  }

  /* Position modifiers (default is bottom) */

  &.mdst-tooltip--top {
    position-area: top;
    margin-top: 0;
    margin-bottom: var(--mdst-space-xs);
  }

  &.mdst-tooltip--left {
    position-area: left;
    margin-top: 0;
    margin-right: var(--mdst-space-xs);
  }

  &.mdst-tooltip--right {
    position-area: right;
    margin-top: 0;
    margin-left: var(--mdst-space-xs);
  }
}

/* Typography */

:where(.mdst-ui) h1,
:where(.mdst-ui) h2,
:where(.mdst-ui) h3,
:where(.mdst-ui) h4,
:where(.mdst-ui) h5,
:where(.mdst-ui) h6,
.mdst-h1,
.mdst-h2,
.mdst-h3,
.mdst-h4,
.mdst-h5,
.mdst-h6 {
  font-family: var(--mdst-font-sans);
  font-weight: 600;
  line-height: 1.25;
  color: var(--mdst-color-fg);
}

:where(.mdst-ui) h1,
.mdst-h1 {
  font-size: 2.5rem;
}

:where(.mdst-ui) h2,
.mdst-h2 {
  font-size: 2rem;
}

:where(.mdst-ui) h3,
.mdst-h3 {
  font-size: 1.5rem;
}

:where(.mdst-ui) h4,
.mdst-h4 {
  font-size: 1.25rem;
}

:where(.mdst-ui) h5,
.mdst-h5 {
  font-size: 1rem;
}

:where(.mdst-ui) h6,
.mdst-h6 {
  font-size: 0.875rem;
}

/* Paragraph */

:where(.mdst-ui) p,
.mdst-p {
  font-family: var(--mdst-font-sans);
  font-size: var(--mdst-text-base);
  line-height: var(--mdst-line-height);
  color: var(--mdst-color-fg);
}

:where(.mdst-ui) p.mdst-p--sm,
.mdst-p--sm {
  font-size: var(--mdst-text-sm);
}

:where(.mdst-ui) p.mdst-p--lg,
.mdst-p--lg {
  font-size: var(--mdst-text-lg);
}

:where(.mdst-ui) p.mdst-p--muted,
.mdst-p--muted {
  color: var(--mdst-color-muted);
}

/* Links */

:where(.mdst-ui) a,
.mdst-a {
  color: var(--mdst-color-fg);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  transition: opacity var(--mdst-transition);
}

:where(.mdst-ui) a:hover,
.mdst-a:hover {
  opacity: 0.6;
}

:where(.mdst-ui) a:focus-visible,
.mdst-a:focus-visible {
  outline: var(--mdst-border-width) solid var(--mdst-color-focus);
  outline-offset: var(--mdst-border-width);
}

/* Strong / Bold */

:where(.mdst-ui) strong,
.mdst-strong {
  font-weight: 600;
}

/* Emphasis / Italic */

:where(.mdst-ui) em,
.mdst-em {
  font-style: italic;
}

/* Small */

:where(.mdst-ui) small,
.mdst-small {
  font-size: var(--mdst-text-sm);
}

/* Mark / Highlight */

:where(.mdst-ui) mark,
.mdst-mark {
  background-color: var(--mdst-color-subtle);
  padding: 0.1em 0.2em;
}

/* Keyboard */

:where(.mdst-ui) kbd,
.mdst-kbd {
  font-family: var(--mdst-font-mono);
  font-size: 0.875em;
  padding: 0.125em 0.375em;
  border: var(--mdst-border-width) solid var(--mdst-color-border);
  border-radius: var(--mdst-radius);
  background: var(--mdst-color-subtle);
  white-space: nowrap;
}

/* Blockquote */

:where(.mdst-ui) blockquote,
.mdst-blockquote {
  margin: 0;
  padding-left: var(--mdst-space-md);
  border-left: var(--mdst-space-1) solid var(--mdst-color-border);
  font-style: italic;
  color: var(--mdst-color-muted);
}

/* Horizontal Rule */

:where(.mdst-ui) hr,
.mdst-hr {
  border: none;
  border-top: var(--mdst-border-width) solid var(--mdst-color-border);
  margin: var(--mdst-space-lg) 0;
}

:where(.mdst-ui) hr.mdst-hr--flush,
.mdst-hr--flush {
  margin: 0;
}

/* Lists */

:where(.mdst-ui) ul,
:where(.mdst-ui) ol,
.mdst-ul,
.mdst-ol {
  padding-left: var(--mdst-space-lg);
  line-height: var(--mdst-line-height);
}

:where(.mdst-ui) ul,
.mdst-ul {
  list-style-type: disc;
}

:where(.mdst-ui) ol,
.mdst-ol {
  list-style-type: decimal;
}

:where(.mdst-ui) li,
.mdst-li {
  margin-bottom: var(--mdst-space-xs);
}

:where(.mdst-ui) li:last-child,
.mdst-li:last-child {
  margin-bottom: 0;
}

/* Unstyled list */

:where(.mdst-ui) ul.mdst-ul--unstyled,
.mdst-ul--unstyled {
  list-style: none;
  padding-left: 0;
}

/* Utilities */

/* Screen reader only — visually hidden but accessible */

.mdst-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Text truncation — single-line ellipsis overflow */

.mdst-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Muted text color */

.mdst-muted {
  color: var(--mdst-color-muted);
}

/* Monospace font */

.mdst-mono {
  font-family: var(--mdst-font-mono);
}