/* cup-core production bundle — single file, no @import waterfall */
/* Generated: 2026-04-17 — includes: reset, tokens, a11y, nano, micro, components, motion, responsive, print, light theme */
/* Excluded: dark.css (unused — site is light-only) */

/* Explicit layer order: cup-override LAST so dbq-theme.css overrides default theme */
@layer cup-reset, cup-tokens, cup-nano, cup-micro, cup-component, cup-motion, cup-theme, cup-override;

/* === reset.css === */
/* cup-core/reset.css — Minimal Reset
 * Opinionated defaults for consistent cross-browser rendering.
 * Does not fight the platform — just normalizes the gaps. */

@layer cup-reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  * {
    margin: 0;
    padding: 0;
  }

  html {
    color-scheme: dark light;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    font-family: var(--cup-font-family);
    font-size: var(--cup-font-size-base);
    line-height: var(--cup-line-height);
    color: var(--cup-color-on-surface);
    background-color: var(--cup-color-surface);
  }

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

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

  button {
    cursor: pointer;
    border: none;
    background: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul,
  ol {
    list-style: none;
  }

  table {
    border-collapse: collapse;
    border-spacing: 0;
  }

  h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
  }

  fieldset {
    border: none;
  }

  /* Remove default summary marker */
  summary {
    cursor: pointer;
  }

  /* Hidden but accessible */
  .cup-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;
  }
}


/* === tokens.css === */
/* cup-core/tokens.css — Design Tokens
 * All visual decisions as CSS custom properties.
 * Override at any scope to customize. */

@layer cup-tokens {
:root {
  /* ── Color: Semantic, not decorative ── */
  --cup-color-surface:      #1a1a2e;
  --cup-color-on-surface:   #e0e0e0;
  --cup-color-surface-alt:  #16213e;
  --cup-color-primary:      #4fc3f7;
  --cup-color-on-primary:   #000000;
  --cup-color-secondary:    #b0bec5;
  --cup-color-error:        #ef5350;
  --cup-color-on-error:     #ffffff;
  --cup-color-success:      #66bb6a;
  --cup-color-warning:      #ffa726;
  --cup-color-info:         #29b6f6;
  --cup-color-border:       #333333;
  --cup-color-focus:        #4fc3f7;
  --cup-color-disabled:     #555555;
  --cup-color-on-disabled:  #999999;
  --cup-color-placeholder:  #888888;

  /* ── Spacing: Consistent rhythm ── */
  --cup-space-2xs: 0.125rem;  /*  2px */
  --cup-space-xs:  0.25rem;   /*  4px */
  --cup-space-sm:  0.5rem;    /*  8px */
  --cup-space-md:  1rem;      /* 16px */
  --cup-space-lg:  1.5rem;    /* 24px */
  --cup-space-xl:  2rem;      /* 32px */
  --cup-space-2xl: 3rem;      /* 48px */

  /* ── Typography ── */
  --cup-font-family:       system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --cup-font-family-mono:  ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  --cup-font-size-xs:   0.75rem;    /* 12px */
  --cup-font-size-sm:   0.875rem;   /* 14px */
  --cup-font-size-base: 1rem;       /* 16px */
  --cup-font-size-lg:   1.25rem;    /* 20px */
  --cup-font-size-xl:   1.5rem;     /* 24px */
  --cup-font-size-2xl:  2rem;       /* 32px */
  --cup-font-weight-normal: 400;
  --cup-font-weight-medium: 500;
  --cup-font-weight-bold:   700;
  --cup-line-height:        1.5;
  --cup-line-height-tight:  1.25;

  /* ── Shape ── */
  --cup-radius-sm:   4px;
  --cup-radius-md:   8px;
  --cup-radius-lg:   12px;
  --cup-radius-full: 9999px;

  /* ── Motion ── */
  --cup-transition-fast:   150ms ease;
  --cup-transition-normal: 250ms ease;
  --cup-transition-slow:   400ms ease;
  --cup-easing-spring:     cubic-bezier(.34, 1.56, .64, 1);
  --cup-easing-bounce:     cubic-bezier(.34, .66, .66, 1);
  --cup-easing-smooth:     cubic-bezier(.4, 0, .2, 1);

  /* ── Breakpoints (used via @media) ── */
  --cup-bp-sm:  640px;
  --cup-bp-md:  768px;
  --cup-bp-lg: 1024px;
  --cup-bp-xl: 1280px;

  /* ── Elevation ── */
  --cup-shadow-color: 0 0% 0%;
  --cup-shadow-sm:  0  1px  2px hsl(var(--cup-shadow-color) / 0.3);
  --cup-shadow-md:  0  4px  8px hsl(var(--cup-shadow-color) / 0.3);
  --cup-shadow-lg:  0  8px 24px hsl(var(--cup-shadow-color) / 0.3);
  --cup-shadow-xl:  0 16px 48px hsl(var(--cup-shadow-color) / 0.4);

  /* ── Touch Target ── */
  --cup-touch-min: 44px;

  /* ── Z-Index Scale ── */
  --cup-z-dropdown: 100;
  --cup-z-sticky:   200;
  --cup-z-overlay:  300;
  --cup-z-modal:    400;
  --cup-z-toast:    500;
}
} /* end @layer cup-tokens */


/* === a11y.css === */
/* cup-core/a11y.css — Accessibility Utilities
 * Focus rings, reduced motion, high contrast, screen reader helpers. */

@layer cup-nano {

  /* ── Focus Ring ── */
  :focus-visible {
    outline: 2px solid var(--cup-color-focus);
    outline-offset: 2px;
  }

  /* Remove outline for mouse users */
  :focus:not(:focus-visible) {
    outline: none;
  }

  /* ── Reduced Motion ── */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }

  /* ── High Contrast ── */
  @media (forced-colors: active) {
    .cup-input {
      border: 1px solid ButtonText;
    }

    .cup-input:focus-visible {
      outline: 2px solid Highlight;
    }

    .cup-error {
      color: LinkText;
    }
  }

  /* ── Increased Contrast ── */
  @media (prefers-contrast: more) {
    :root {
      --cup-color-border: #666666;
      --cup-color-placeholder: #aaaaaa;
    }

    .cup-button {
      border-width: 2px;
    }

    .cup-input {
      border-width: 2px;
    }
  }

  /* ── Hit Fill ── */
  /* Stretch interactive element to fill flex/grid parent height.
   * Content stays centered. No sibling disruption.
   * Use on links, buttons, icons inside flex containers
   * where the visual element is smaller than the ideal hit area. */
  .cup-hit-fill {
    align-self: stretch;
    display: inline-flex;
    align-items: center;
  }

  /* ── Skip Link ── */
  .cup-skip-link {
    position: absolute;
    top: -100%;
    left: var(--cup-space-md);
    padding: var(--cup-space-sm) var(--cup-space-md);
    background: var(--cup-color-primary);
    color: var(--cup-color-on-primary);
    border-radius: var(--cup-radius-sm);
    z-index: var(--cup-z-toast);
    font-weight: var(--cup-font-weight-medium);
    text-decoration: none;
  }

  .cup-skip-link:focus {
    top: var(--cup-space-md);
  }
}


/* === css/nano.css === */
/* cup-core/css/nano.css — Nano Component Styles
 * Each nano is a single CSS concern: label, input, hint, error, icon, skeleton, divider.
 * These are the atoms everything else composes. */

/* @property must be top-level (not inside @layer) for percentage interpolation */
@property --cup-ripple-expand {
  syntax: '<percentage>';
  initial-value: 0%;
  inherits: false;
}

@layer cup-nano {

  /* ── Label ── */
  .cup-label {
    display: block;
    font-size: var(--cup-font-size-sm);
    font-weight: var(--cup-font-weight-medium);
    color: var(--cup-color-on-surface);
    margin-bottom: var(--cup-space-xs);
    line-height: var(--cup-line-height-tight);
  }



  /* ── Input ── */
  .cup-input {
    display: block;
    width: 100%;
    padding: var(--cup-space-sm) var(--cup-space-md);
    font-size: var(--cup-font-size-base);
    line-height: var(--cup-line-height);
    color: var(--cup-color-on-surface);
    background-color: var(--cup-color-surface);
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-sm);
    transition: border-color var(--cup-transition-fast),
                box-shadow var(--cup-transition-fast);
    outline: none;
  }

  .cup-input::placeholder {
    color: var(--cup-color-placeholder);
  }

  .cup-input:focus-visible {
    border-color: var(--cup-color-focus);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--cup-color-focus) 30%, transparent);
  }

  .cup-input[aria-invalid="true"] {
    border-color: var(--cup-color-error);
  }

  .cup-input[aria-invalid="true"]:focus-visible {
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--cup-color-error) 30%, transparent);
  }

  .cup-input:disabled {
    background-color: var(--cup-color-disabled);
    color: var(--cup-color-on-disabled);
    cursor: not-allowed;
    opacity: 0.7;
  }

  .cup-input[readonly] {
    background-color: var(--cup-color-surface-alt);
    cursor: default;
  }

  /* Native select styling */
  select.cup-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--cup-space-sm) center;
    padding-right: var(--cup-space-xl);
  }

  /* Textarea */
  textarea.cup-input {
    resize: vertical;
    min-height: 5rem;
  }

  /* ── Hint ── */
  .cup-hint {
    display: block;
    font-size: var(--cup-font-size-xs);
    color: var(--cup-color-secondary);
    margin-top: var(--cup-space-xs);
    line-height: var(--cup-line-height);
  }

  /* ── Error ── */
  .cup-error {
    display: block;
    font-size: var(--cup-font-size-xs);
    color: var(--cup-color-error);
    margin-top: var(--cup-space-xs);
    line-height: var(--cup-line-height);
  }



  /* ── Icon ── */
  .cup-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25em;
    height: 1.25em;
    flex-shrink: 0;
    vertical-align: middle;
  }

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

  .cup-icon[data-size="sm"] {
    width: 1em;
    height: 1em;
  }

  .cup-icon[data-size="lg"] {
    width: 1.5em;
    height: 1.5em;
  }

  /* ── Skeleton ── */
  .cup-skeleton {
    display: block;
    background: linear-gradient(
      90deg,
      var(--cup-color-border) 25%,
      var(--cup-color-surface-alt) 50%,
      var(--cup-color-border) 75%
    );
    background-size: 200% 100%;
    animation: cup-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--cup-radius-sm);
    min-height: 1rem;
  }

  .cup-skeleton[data-variant="text"] {
    height: 1em;
    width: 80%;
    border-radius: var(--cup-radius-sm);
  }

  .cup-skeleton[data-variant="circle"] {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--cup-radius-full);
  }

  .cup-skeleton[data-variant="rect"] {
    height: 4rem;
    width: 100%;
  }

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

  /* ── Divider ── */
  .cup-divider {
    border: none;
    border-top: 1px solid var(--cup-color-border);
    margin: var(--cup-space-md) 0;
  }

  .cup-divider[data-vertical] {
    border-top: none;
    border-left: 1px solid var(--cup-color-border);
    margin: 0 var(--cup-space-md);
    align-self: stretch;
    height: auto;
    width: 0;
  }

  /* ── Focus Ring (global) ── */
  :focus-visible {
    outline: 2px solid var(--cup-color-focus);
    outline-offset: 2px;
  }

  /* ── Effects ── */
  /* Clean entrance/exit/emphasis effects — data-attribute driven.
   * Usage: <div data-effect="fade-in">...</div>
   * All durations use transition tokens. All respect prefers-reduced-motion. */

  /* Entrance */
  @keyframes cup-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  @keyframes cup-slide-up {
    from { opacity: 0; transform: translateY(0.5rem); }
    to   { opacity: 1; transform: translateY(0); }
  }

  @keyframes cup-scale-in {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
  }

  /* Exit */
  @keyframes cup-fade-out {
    from { opacity: 1; }
    to   { opacity: 0; }
  }

  @keyframes cup-slide-down {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(0.5rem); }
  }

  /* Emphasis */
  @keyframes cup-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.6; }
  }

  @keyframes cup-shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-4px); }
    40%      { transform: translateX(4px); }
    60%      { transform: translateX(-2px); }
    80%      { transform: translateX(2px); }
  }

  /* Feedback — ripple wave (subtle lighten ring passes through the element)
   * Uses @property --cup-ripple-expand for smooth percentage interpolation.
   * White gradient + mix-blend-mode:overlay lightens the element's own colors
   * without adding a separate hue — invisible on background, visible on content.
   */
  @keyframes cup-ripple-wave {
    0%   { --cup-ripple-expand: 0%;   opacity: 1; }
    80%  { opacity: 0.5; }
    100% { --cup-ripple-expand: 100%; opacity: 0; }
  }

  [data-effect="ripple"] {
    position: relative;
    overflow: hidden;
  }

  [data-effect="ripple"]::after {
    content: '';
    position: absolute;
    inset: -50%;
    pointer-events: none;
    border-radius: inherit;
    background: radial-gradient(
      circle at center,
      transparent calc(var(--cup-ripple-expand) - 6%),
      rgba(255, 255, 255, 0.08) calc(var(--cup-ripple-expand) - 3%),
      rgba(255, 255, 255, 0.18) var(--cup-ripple-expand),
      rgba(255, 255, 255, 0.08) calc(var(--cup-ripple-expand) + 3%),
      transparent calc(var(--cup-ripple-expand) + 6%),
      transparent 100%
    );
    animation: cup-ripple-wave 1.4s ease-out both;
    mix-blend-mode: overlay;
  }

  /* Data-attribute activation */
  [data-effect="fade-in"]    { animation: cup-fade-in   250ms ease both; }
  [data-effect="slide-up"]   { animation: cup-slide-up  250ms ease both; }
  [data-effect="scale-in"]   { animation: cup-scale-in  250ms ease both; }
  [data-effect="fade-out"]   { animation: cup-fade-out  250ms ease both; }
  [data-effect="slide-down"] { animation: cup-slide-down 250ms ease both; }
  [data-effect="pulse"]      { animation: cup-pulse 1s ease infinite; }
  [data-effect="shake"]      { animation: cup-shake 400ms ease; }

  /* Speed modifiers */
  [data-effect-speed="fast"] { animation-duration: 150ms; }
  [data-effect-speed="slow"] { animation-duration: 400ms; }

  /* Delay modifiers */
  [data-effect-delay="100"] { animation-delay: 100ms; }
  [data-effect-delay="200"] { animation-delay: 200ms; }
  [data-effect-delay="300"] { animation-delay: 300ms; }
  [data-effect-delay="500"] { animation-delay: 500ms; }

  /* ── Powered-by attribution ── */
  cup-powered-by {
    display: block;
    margin-top: var(--cup-space-xs);
    transition: opacity var(--cup-transition-normal);
  }
  .cup-powered-by {
    font-size: 0.65rem;
    opacity: 0.5;
    transition: opacity var(--cup-transition-fast);
  }
  .cup-powered-by:hover {
    opacity: 0.7;
  }
  .cup-powered-by__link {
    color: inherit;
    font-size: inherit;
    line-height: inherit;
    text-decoration: none;
  }
  .cup-powered-by__link:hover {
    text-decoration: underline;
  }
  .cup-powered-by__sol {
    cursor: pointer;
    transition: opacity var(--cup-transition-fast);
  }
  .cup-powered-by__sol:hover,
  .cup-powered-by__sol:focus-visible {
    opacity: 1;
    text-decoration: underline;
  }

  /* ── Theme Picker ── */
  cup-theme-picker {
    display: inline-block;
  }
  .cup-theme-picker__trigger {
    cursor: pointer;
    font-size: inherit;
    opacity: 0.4;
    transition: opacity var(--cup-transition-fast);
    user-select: none;
  }
  .cup-theme-picker__trigger:hover,
  .cup-theme-picker__trigger:focus-visible {
    opacity: 0.8;
  }
  .cup-tp__backdrop {
    display: none; /* kept for backward compat but no longer used */
  }
  .cup-tp {
    position: fixed;
    top: 60px;
    right: var(--cup-space-md);
    width: 340px;
    max-height: 85vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background: var(--cup-color-surface);
    color: var(--cup-color-on-surface);
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-md);
    box-shadow: var(--cup-shadow-lg);
    z-index: 2147483647;
    font-size: var(--cup-font-size-sm);
    resize: none;
  }
  .cup-tp__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--cup-space-xs) var(--cup-space-sm);
    border-bottom: 1px solid var(--cup-color-border);
    user-select: none;
  }
  .cup-tp__drag-handle { cursor: grab; }
  .cup-tp__drag-handle:active { cursor: grabbing; }
  .cup-tp__title {
    font-weight: 700;
    font-size: var(--cup-font-size-sm);
    white-space: nowrap;
  }
  .cup-tp__header-btns {
    display: flex;
    gap: var(--cup-space-2xs);
  }
  .cup-tp__minimize,
  .cup-tp__close {
    background: none;
    border: none;
    color: var(--cup-color-on-surface);
    font-size: var(--cup-font-size-lg);
    cursor: pointer;
    line-height: 1;
    padding: 0 var(--cup-space-2xs);
    opacity: 0.6;
  }
  .cup-tp__minimize:hover,
  .cup-tp__close:hover { opacity: 1; }

  /* ── Tabs ── */
  .cup-tp__tabs {
    display: flex;
    border-bottom: 1px solid var(--cup-color-border);
  }
  .cup-tp__tab {
    flex: 1;
    padding: var(--cup-space-xs);
    font-size: var(--cup-font-size-xs);
    font-family: inherit;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--cup-color-on-surface);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--cup-transition-fast), border-color var(--cup-transition-fast);
    white-space: nowrap;
  }
  .cup-tp__tab:hover { opacity: 0.9; }
  .cup-tp__tab--active {
    opacity: 1;
    border-bottom-color: var(--cup-color-primary);
    font-weight: 600;
  }
  .cup-tp__tab-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--cup-space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--cup-space-sm);
  }
  .cup-tp__tab-content {
    display: flex;
    flex-direction: column;
    gap: var(--cup-space-sm);
  }

  /* ── Resize handle ── */
  .cup-tp__resize-handle {
    text-align: right;
    padding: 0 var(--cup-space-2xs);
    font-size: 10px;
    cursor: nwse-resize;
    opacity: 0.3;
    user-select: none;
    line-height: 1;
  }
  .cup-tp__resize-handle:hover { opacity: 0.7; }
  .cup-tp__section-title {
    font-weight: 600;
    font-size: var(--cup-font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.6;
    margin-bottom: var(--cup-space-xs);
  }
  .cup-tp__presets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--cup-space-xs);
  }
  .cup-tp__preset {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--cup-space-2xs);
    padding: var(--cup-space-xs);
    background: var(--cup-color-surface-alt);
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-sm);
    cursor: pointer;
    transition: border-color var(--cup-transition-fast);
    color: var(--cup-color-on-surface);
    font-family: inherit;
  }
  .cup-tp__preset:hover {
    border-color: var(--cup-color-primary);
  }
  .cup-tp__preset--active {
    border-color: var(--cup-color-primary);
    box-shadow: 0 0 0 1px var(--cup-color-primary);
  }
  .cup-tp__preset-swatches {
    display: flex;
    gap: 2px;
  }
  .cup-tp__preset-dot {
    width: 14px;
    height: 14px;
    border-radius: var(--cup-radius-full);
    border: 1px solid rgba(128,128,128,0.3);
  }
  .cup-tp__preset-name {
    font-size: var(--cup-font-size-xs);
    white-space: nowrap;
  }
  .cup-tp__colors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--cup-space-xs);
  }
  .cup-tp__color-row {
    display: flex;
    align-items: center;
    gap: var(--cup-space-xs);
    cursor: pointer;
  }
  .cup-tp__swatch {
    width: 28px;
    height: 28px;
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-sm);
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
  }
  .cup-tp__color-label {
    font-size: var(--cup-font-size-xs);
  }
  .cup-tp__actions {
    display: flex;
    gap: var(--cup-space-xs);
    flex-wrap: wrap;
  }
  .cup-tp__btn {
    flex: 1;
    min-width: 0;
    padding: var(--cup-space-xs) var(--cup-space-sm);
    font-size: var(--cup-font-size-xs);
    font-family: inherit;
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-sm);
    background: var(--cup-color-surface-alt);
    color: var(--cup-color-on-surface);
    cursor: pointer;
    transition: background var(--cup-transition-fast);
    white-space: nowrap;
  }
  .cup-tp__btn:hover {
    background: var(--cup-color-primary);
    color: var(--cup-color-on-primary);
    border-color: var(--cup-color-primary);
  }
  /* Advanced Settings */
  .cup-tp__adv-toggle {
    display: flex;
    align-items: center;
    gap: var(--cup-space-xs);
    width: 100%;
    padding: var(--cup-space-xs) 0;
    margin-top: var(--cup-space-xs);
    font-size: var(--cup-font-size-xs);
    font-family: inherit;
    color: var(--cup-color-on-surface);
    background: none;
    border: none;
    border-top: 1px solid var(--cup-color-border);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--cup-transition-fast);
  }
  .cup-tp__adv-toggle:hover { opacity: 1; }
  .cup-tp__adv-arrow {
    display: inline-block;
    font-size: 0.6em;
    transition: transform var(--cup-transition-fast);
  }
  .cup-tp__adv-toggle[aria-expanded="true"] .cup-tp__adv-arrow {
    transform: rotate(90deg);
  }
  .cup-tp__adv-body {
    max-height: 200px;
    overflow-y: auto;
  }

  /* ── Inspector Tab ── */
  .cup-insp__controls {
    display: flex;
    align-items: center;
    gap: var(--cup-space-xs);
    flex-wrap: wrap;
  }
  .cup-insp__pick-btn {
    font-weight: 600;
  }
  .cup-insp__pick-btn--on {
    background: var(--cup-color-primary);
    color: var(--cup-color-on-primary);
    border-color: var(--cup-color-primary);
  }
  .cup-insp__multi-label {
    font-size: var(--cup-font-size-xs);
    display: flex;
    align-items: center;
    gap: var(--cup-space-2xs);
    cursor: pointer;
  }
  .cup-insp__content {
    display: flex;
    flex-direction: column;
    gap: var(--cup-space-xs);
  }
  .cup-insp__empty {
    font-size: var(--cup-font-size-xs);
    opacity: 0.5;
    text-align: center;
    padding: var(--cup-space-md) 0;
  }
  .cup-insp__meta {
    font-size: var(--cup-font-size-xs);
    opacity: 0.7;
  }
  .cup-insp__section {
    display: flex;
    flex-direction: column;
    gap: var(--cup-space-2xs);
  }
  .cup-insp__props {
    display: flex;
    flex-direction: column;
    gap: 1px;
  }
  .cup-insp__prop {
    display: flex;
    align-items: center;
    gap: var(--cup-space-2xs);
    font-size: 11px;
    padding: 2px 0;
  }
  .cup-insp__prop-name {
    min-width: 100px;
    flex-shrink: 0;
    opacity: 0.7;
    font-family: monospace;
    font-size: 10px;
  }
  .cup-insp__prop-value {
    flex: 1;
    min-width: 0;
    background: var(--cup-color-surface-alt);
    border: 1px solid transparent;
    border-radius: var(--cup-radius-sm);
    color: var(--cup-color-on-surface);
    font-family: monospace;
    font-size: 10px;
    padding: 2px 4px;
  }
  .cup-insp__prop-value:focus {
    border-color: var(--cup-color-primary);
    outline: none;
  }
  .cup-insp__prop-value--mod {
    color: #ff9800;
    border-color: #ff9800;
  }
  .cup-insp__prop-token {
    font-size: 9px;
    background: var(--cup-color-surface-alt);
    border-radius: var(--cup-radius-sm);
    padding: 1px 4px;
    color: var(--cup-color-primary);
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .cup-insp__prop-token:hover {
    text-decoration: underline;
  }
  .cup-insp__note-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--cup-space-2xs);
    margin-top: var(--cup-space-xs);
    border-top: 1px solid var(--cup-color-border);
    padding-top: var(--cup-space-xs);
  }
  .cup-insp__note {
    width: 100%;
    font-family: inherit;
    font-size: var(--cup-font-size-xs);
    background: var(--cup-color-surface-alt);
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-sm);
    color: var(--cup-color-on-surface);
    padding: var(--cup-space-2xs) var(--cup-space-xs);
    resize: vertical;
  }
  .cup-insp__note:focus {
    border-color: var(--cup-color-primary);
    outline: none;
  }

  /* ── Selections Tab ── */
  .cup-sel__list {
    display: flex;
    flex-direction: column;
    gap: var(--cup-space-xs);
    max-height: 50vh;
    overflow-y: auto;
  }
  .cup-sel__entry {
    background: var(--cup-color-surface-alt);
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-sm);
    padding: var(--cup-space-xs);
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .cup-sel__entry-header {
    display: flex;
    align-items: center;
    gap: var(--cup-space-2xs);
    cursor: pointer;
  }
  .cup-sel__entry-num {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #ff9800;
    color: #000;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .cup-sel__entry-selector {
    flex: 1;
    font-family: monospace;
    font-size: 11px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .cup-sel__entry-remove {
    background: none;
    border: none;
    color: var(--cup-color-on-surface);
    font-size: var(--cup-font-size-base);
    cursor: pointer;
    opacity: 0.5;
    padding: 0 2px;
    line-height: 1;
  }
  .cup-sel__entry-remove:hover { opacity: 1; color: var(--cup-color-error); }
  .cup-sel__entry-summary {
    font-size: 10px;
    opacity: 0.6;
    font-family: monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .cup-sel__entry-note {
    font-size: var(--cup-font-size-xs);
    font-style: italic;
    opacity: 0.8;
  }
  .cup-sel__entry-edits {
    font-size: 10px;
    color: #ff9800;
    font-family: monospace;
  }
}


/* === css/micro.css === */
/* cup-core/css/micro.css — Micro Component Styles
 * Composed layouts for field groups, buttons, toggles, badges, chips. */

@layer cup-micro {

  /* ── Custom Element Hosts ──
   * Light-DOM cup elements render styled children inside unstyled hosts.
   * These rules give the host element the same geometry so effects
   * (trace, ripple, enchant) and layout work against the real shape. */
  cup-badge {
    display: inline-flex;
    border-radius: var(--cup-radius-full);
  }

  cup-chip {
    display: inline-flex;
    border-radius: var(--cup-radius-full);
  }

  cup-button {
    display: inline-flex;
    border-radius: var(--cup-radius-sm);
  }

  cup-button[rounded] {
    border-radius: var(--cup-radius-full);
  }

  cup-button[round] {
    border-radius: var(--cup-radius-full);
  }

  cup-toast {
    display: block;
  }

  cup-stepper {
    display: block;
    width: 100%;
  }

  cup-progress {
    display: block;
    width: 100%;
  }

  /* ── Field (wrapper for label + input + hint + error) ── */
  .cup-field {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: var(--cup-space-md);
  }

  /* ── Button ── */
  .cup-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--cup-space-sm);
    padding: var(--cup-space-sm) var(--cup-space-lg);
    font-size: var(--cup-font-size-base);
    font-weight: var(--cup-font-weight-medium);
    line-height: var(--cup-line-height-tight);
    border: 1px solid transparent;
    border-radius: var(--cup-radius-sm);
    cursor: pointer;
    transition: background-color var(--cup-transition-fast),
                border-color var(--cup-transition-fast),
                color var(--cup-transition-fast),
                box-shadow var(--cup-transition-fast);
    text-decoration: none;
    white-space: nowrap;
  }

  .cup-button:focus-visible {
    outline: 2px solid var(--cup-color-focus);
    outline-offset: 2px;
  }

  .cup-button:disabled,
  .cup-button[data-loading] {
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: none;
  }

  /* Primary */
  .cup-button--primary {
    background-color: var(--cup-color-primary);
    color: var(--cup-color-on-primary);
  }

  .cup-button--primary:hover:not(:disabled) {
    filter: brightness(1.1);
  }

  /* Secondary */
  .cup-button--secondary {
    background-color: transparent;
    color: var(--cup-color-on-surface);
    border-color: var(--cup-color-border);
  }

  .cup-button--secondary:hover:not(:disabled) {
    background-color: var(--cup-color-surface-alt);
  }

  /* Ghost */
  .cup-button--ghost {
    background: transparent;
    color: var(--cup-color-on-surface);
  }

  .cup-button--ghost:hover:not(:disabled) {
    background-color: var(--cup-color-surface-alt);
  }

  /* Danger */
  .cup-button--danger {
    background-color: var(--cup-color-error);
    color: var(--cup-color-on-error);
  }

  .cup-button--danger:hover:not(:disabled) {
    filter: brightness(1.1);
  }

  /* Sizes */
  .cup-button--sm {
    padding: var(--cup-space-xs) var(--cup-space-md);
    font-size: var(--cup-font-size-sm);
  }

  .cup-button--lg {
    padding: var(--cup-space-md) var(--cup-space-xl);
    font-size: var(--cup-font-size-lg);
  }

  /* Rounded variants */
  .cup-button--rounded {
    border-radius: var(--cup-radius-full);
  }

  .cup-button--round {
    border-radius: var(--cup-radius-full);
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
  }

  .cup-button--round.cup-button--sm {
    width: 2rem;
    height: 2rem;
  }

  .cup-button--round.cup-button--lg {
    width: 3rem;
    height: 3rem;
  }

  /* Loading spinner */
  .cup-button[data-loading]::before {
    content: '';
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: var(--cup-radius-full);
    animation: cup-spin 0.6s linear infinite;
  }

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

  /* ── Toggle ── */
  .cup-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--cup-space-sm);
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
    font: inherit;
    color: inherit;
  }

  .cup-toggle___track {
    position: relative;
    width: 2.5rem;
    height: 1.375rem;
    background-color: var(--cup-color-border);
    border-radius: var(--cup-radius-full);
    transition: background-color var(--cup-transition-fast);
  }

  .cup-toggle___thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 1.125rem;
    height: 1.125rem;
    background-color: var(--cup-color-on-surface);
    border-radius: var(--cup-radius-full);
    transition: transform var(--cup-transition-fast);
    will-change: transform;
  }

  .cup-toggle[aria-checked="true"] .cup-toggle___track {
    background-color: var(--cup-color-primary);
  }

  .cup-toggle[aria-checked="true"] .cup-toggle___thumb {
    transform: translateX(1.125rem);
  }

  /* ── Badge ── */
  .cup-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--cup-space-2xs) var(--cup-space-sm);
    font-size: var(--cup-font-size-xs);
    font-weight: var(--cup-font-weight-medium);
    border-radius: var(--cup-radius-full);
    line-height: 1;
    white-space: nowrap;
  }

  .cup-badge--default {
    background-color: var(--cup-color-surface-alt);
    color: var(--cup-color-on-surface);
  }

  .cup-badge--success {
    background-color: color-mix(in srgb, var(--cup-color-success) 20%, transparent);
    color: var(--cup-color-success);
  }

  .cup-badge--error {
    background-color: color-mix(in srgb, var(--cup-color-error) 20%, transparent);
    color: var(--cup-color-error);
  }

  .cup-badge--warning {
    background-color: color-mix(in srgb, var(--cup-color-warning) 20%, transparent);
    color: var(--cup-color-warning);
  }

  .cup-badge--info {
    background-color: color-mix(in srgb, var(--cup-color-info) 20%, transparent);
    color: var(--cup-color-info);
  }

  /* ── Chip ── */
  .cup-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--cup-space-xs);
    padding: var(--cup-space-xs) var(--cup-space-sm);
    font-size: var(--cup-font-size-sm);
    background-color: var(--cup-color-surface-alt);
    color: var(--cup-color-on-surface);
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-full);
    line-height: 1;
    white-space: nowrap;
  }

  .cup-chip___remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 0.75em;
    height: 0.75em;
    border: none;
    background: none;
    color: var(--cup-color-secondary);
    cursor: pointer;
    border-radius: var(--cup-radius-full);
    font-size: inherit;
    padding: 0;
    line-height: 1;
  }

  .cup-chip___remove:hover {
    color: var(--cup-color-error);
    background-color: color-mix(in srgb, var(--cup-color-error) 15%, transparent);
  }

  /* ── Checkbox ── */
  .cup-checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--cup-space-sm);
    cursor: pointer;
    margin-bottom: var(--cup-space-sm);
  }

  .cup-checkbox input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--cup-color-primary);
    cursor: pointer;
    flex-shrink: 0;
  }

  /* ── Radio Group ── */
  .cup-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--cup-space-sm);
    margin-bottom: var(--cup-space-md);
  }

  .cup-radio-group legend {
    font-size: var(--cup-font-size-sm);
    font-weight: var(--cup-font-weight-medium);
    color: var(--cup-color-on-surface);
    margin-bottom: var(--cup-space-sm);
  }

  .cup-radio-group label {
    display: inline-flex;
    align-items: center;
    gap: var(--cup-space-sm);
    cursor: pointer;
  }

  .cup-radio-group input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--cup-color-primary);
    cursor: pointer;
    flex-shrink: 0;
  }

  /* ── Character Count (for textarea) ── */
  .cup-char-count {
    font-size: var(--cup-font-size-xs);
    color: var(--cup-color-secondary);
    text-align: right;
    margin-top: var(--cup-space-2xs);
  }

  .cup-char-count[data-over] {
    color: var(--cup-color-error);
  }
}


/* === css/components.css === */
/* cup-core/css/components.css — Component (Organism) Styles
 * Card, Modal, Toast, Navigation, AppShell, DataTable, Accordion, Tabs, FormSection. */

@layer cup-component {

  /* ── Card ── */
  .cup-card {
    background-color: var(--cup-color-surface-alt);
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-md);
    overflow: hidden;
    contain: layout style;
  }

  .cup-card___header {
    padding: var(--cup-space-md) var(--cup-space-lg);
    border-bottom: 1px solid var(--cup-color-border);
    font-weight: var(--cup-font-weight-medium);
  }

  .cup-card___body {
    padding: var(--cup-space-lg);
  }

  .cup-card___footer {
    padding: var(--cup-space-md) var(--cup-space-lg);
    border-top: 1px solid var(--cup-color-border);
    display: flex;
    gap: var(--cup-space-sm);
    justify-content: flex-end;
  }

  /* ── Modal ── */
  .cup-modal {
    border: none;
    border-radius: var(--cup-radius-lg);
    background-color: var(--cup-color-surface);
    color: var(--cup-color-on-surface);
    padding: 0;
    max-width: min(90vw, 32rem);
    width: 100%;
    box-shadow: var(--cup-shadow-xl);
  }

  .cup-modal::backdrop {
    background: rgba(0, 0, 0, 0.6);
  }

  .cup-modal___header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--cup-space-md) var(--cup-space-lg);
    border-bottom: 1px solid var(--cup-color-border);
    font-weight: var(--cup-font-weight-bold);
  }

  .cup-modal___close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    background: transparent;
    color: var(--cup-color-secondary);
    border-radius: var(--cup-radius-sm);
    cursor: pointer;
    font-size: var(--cup-font-size-lg);
  }

  .cup-modal___close:hover {
    background-color: var(--cup-color-surface-alt);
  }

  .cup-modal___body {
    padding: var(--cup-space-lg);
  }

  .cup-modal___footer {
    padding: var(--cup-space-md) var(--cup-space-lg);
    border-top: 1px solid var(--cup-color-border);
    display: flex;
    gap: var(--cup-space-sm);
    justify-content: flex-end;
  }

  /* ── Toast ── */
  .cup-toast {
    display: flex;
    align-items: center;
    gap: var(--cup-space-sm);
    padding: var(--cup-space-sm) var(--cup-space-md);
    border-radius: var(--cup-radius-md);
    background-color: var(--cup-color-surface-alt);
    color: var(--cup-color-on-surface);
    border: 1px solid var(--cup-color-border);
    box-shadow: var(--cup-shadow-md);
    font-size: var(--cup-font-size-sm);
    max-width: 24rem;
  }

  .cup-toast--success { border-left: 3px solid var(--cup-color-success); }
  .cup-toast--error   { border-left: 3px solid var(--cup-color-error); }
  .cup-toast--warning { border-left: 3px solid var(--cup-color-warning); }
  .cup-toast--info    { border-left: 3px solid var(--cup-color-info); }

  .cup-toast___message {
    flex: 1;
  }

  .cup-toast___close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--cup-touch-min);
    min-height: var(--cup-touch-min);
    border: none;
    background: transparent;
    color: var(--cup-color-secondary);
    font-size: var(--cup-font-size-lg);
    cursor: pointer;
    border-radius: var(--cup-radius-sm);
    margin: calc(-1 * var(--cup-space-sm)) calc(-1 * var(--cup-space-sm)) calc(-1 * var(--cup-space-sm)) 0;
    transition: color var(--cup-transition-fast),
                background-color var(--cup-transition-fast);
  }

  .cup-toast___close:hover {
    color: var(--cup-color-on-surface);
    background-color: var(--cup-color-surface);
  }

  .cup-toast-container {
    position: fixed;
    bottom: var(--cup-space-lg);
    right: var(--cup-space-lg);
    display: flex;
    flex-direction: column-reverse;
    gap: var(--cup-space-sm);
    z-index: var(--cup-z-toast);
  }

  /* ── Navigation ── */
  .cup-nav {
    display: flex;
    gap: var(--cup-space-xs);
  }

  .cup-nav a,
  .cup-nav button {
    display: inline-flex;
    align-items: center;
    gap: var(--cup-space-xs);
    padding: var(--cup-space-sm) var(--cup-space-md);
    font-size: var(--cup-font-size-sm);
    color: var(--cup-color-secondary);
    border-radius: var(--cup-radius-sm);
    transition: background-color var(--cup-transition-fast),
                color var(--cup-transition-fast);
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
  }

  .cup-nav a:hover,
  .cup-nav button:hover {
    background-color: var(--cup-color-surface-alt);
    color: var(--cup-color-on-surface);
  }

  .cup-nav [aria-current="page"],
  .cup-nav [data-active] {
    background-color: var(--cup-color-surface-alt);
    color: var(--cup-color-primary);
    font-weight: var(--cup-font-weight-medium);
  }

  /* ── AppShell ── */
  .cup-shell {
    display: grid;
    grid-template-rows: auto 1fr auto;
    grid-template-columns: auto 1fr;
    min-height: 100vh;
  }

  .cup-shell___header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: var(--cup-space-md);
    padding: var(--cup-space-sm) var(--cup-space-lg);
    background-color: var(--cup-color-surface-alt);
    border-bottom: 1px solid var(--cup-color-border);
  }

  .cup-shell___sidebar {
    padding: var(--cup-space-md);
    background-color: var(--cup-color-surface);
    border-right: 1px solid var(--cup-color-border);
    width: 16rem;
    overflow-y: auto;
  }

  .cup-shell___main {
    padding: var(--cup-space-lg);
    overflow-y: auto;
  }

  .cup-shell___footer {
    grid-column: 1 / -1;
    padding: var(--cup-space-md) var(--cup-space-lg);
    border-top: 1px solid var(--cup-color-border);
    font-size: var(--cup-font-size-sm);
    color: var(--cup-color-secondary);
  }

  /* ── Accordion (details/summary) ── */
  .cup-accordion {
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-md);
    overflow: hidden;
  }

  .cup-accordion details {
    border-bottom: 1px solid var(--cup-color-border);
  }

  .cup-accordion details:last-child {
    border-bottom: none;
  }

  .cup-accordion summary {
    padding: var(--cup-space-md) var(--cup-space-lg);
    font-weight: var(--cup-font-weight-medium);
    cursor: pointer;
    transition: background-color var(--cup-transition-fast);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .cup-accordion summary:hover {
    background-color: var(--cup-color-surface-alt);
  }

  .cup-accordion summary::after {
    content: '▸';
    transition: transform var(--cup-transition-fast);
  }

  .cup-accordion details[open] > summary::after {
    transform: rotate(90deg);
  }

  .cup-accordion___content {
    padding: var(--cup-space-md) var(--cup-space-lg);
    content-visibility: auto;
  }

  /* ── Tabs ── */
  .cup-tabs [role="tablist"] {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--cup-color-border);
  }

  .cup-tabs [role="tab"] {
    padding: var(--cup-space-sm) var(--cup-space-md);
    font-size: var(--cup-font-size-sm);
    font-weight: var(--cup-font-weight-medium);
    color: var(--cup-color-secondary);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color var(--cup-transition-fast),
                border-color var(--cup-transition-fast);
    margin-bottom: -1px;
  }

  .cup-tabs [role="tab"]:hover {
    color: var(--cup-color-on-surface);
  }

  .cup-tabs [role="tab"][aria-selected="true"] {
    color: var(--cup-color-primary);
    border-bottom-color: var(--cup-color-primary);
  }

  .cup-tabs [role="tabpanel"] {
    padding: var(--cup-space-lg) 0;
  }

  .cup-tabs [role="tabpanel"][hidden] {
    display: none;
  }

  /* ── DataTable ── */
  .cup-table {
    width: 100%;
    border: 1px solid var(--cup-color-border);
    border-radius: var(--cup-radius-md);
    overflow: hidden;
  }

  .cup-table table {
    width: 100%;
  }

  .cup-table th {
    text-align: left;
    padding: var(--cup-space-sm) var(--cup-space-md);
    font-size: var(--cup-font-size-sm);
    font-weight: var(--cup-font-weight-medium);
    color: var(--cup-color-secondary);
    background-color: var(--cup-color-surface-alt);
    border-bottom: 1px solid var(--cup-color-border);
    white-space: nowrap;
  }

  .cup-table td {
    padding: var(--cup-space-sm) var(--cup-space-md);
    font-size: var(--cup-font-size-sm);
    border-bottom: 1px solid var(--cup-color-border);
    vertical-align: middle;
  }

  .cup-table tr:last-child td {
    border-bottom: none;
  }

  .cup-table tr:hover td {
    background-color: var(--cup-color-surface-alt);
  }

  /* Sortable header */
  .cup-table th[aria-sort] {
    cursor: pointer;
    user-select: none;
  }

  .cup-table th[aria-sort]::after {
    content: ' ↕';
    color: var(--cup-color-placeholder);
    font-size: var(--cup-font-size-xs);
  }

  .cup-table th[aria-sort="ascending"]::after {
    content: ' ↑';
    color: var(--cup-color-primary);
  }

  .cup-table th[aria-sort="descending"]::after {
    content: ' ↓';
    color: var(--cup-color-primary);
  }

  /* ── FormSection ── */
  .cup-form-section {
    margin-bottom: var(--cup-space-xl);
  }

  .cup-form-section legend {
    font-size: var(--cup-font-size-lg);
    font-weight: var(--cup-font-weight-bold);
    color: var(--cup-color-on-surface);
    margin-bottom: var(--cup-space-md);
    padding-bottom: var(--cup-space-sm);
    border-bottom: 1px solid var(--cup-color-border);
    width: 100%;
  }

  /* ── Stepper ── */
  .cup-stepper {
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
  }

  .cup-stepper___step {
    display: flex;
    align-items: center;
    gap: var(--cup-space-sm);
    cursor: pointer;
    flex-shrink: 0;
    padding: var(--cup-space-xs) var(--cup-space-sm);
    border-radius: var(--cup-radius-sm);
    transition: background-color var(--cup-transition-fast);
  }

  .cup-stepper___step:hover:not(.cup-stepper___step--disabled) {
    background-color: var(--cup-color-surface-alt);
  }

  .cup-stepper___step--disabled {
    cursor: not-allowed;
    opacity: 0.4;
  }

  .cup-stepper___indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--cup-radius-full);
    font-size: var(--cup-font-size-sm);
    font-weight: var(--cup-font-weight-bold);
    flex-shrink: 0;
    border: 2px solid var(--cup-color-border);
    color: var(--cup-color-secondary);
    background: transparent;
    transition: background-color var(--cup-transition-fast),
                border-color var(--cup-transition-fast),
                color var(--cup-transition-fast);
  }

  .cup-stepper___step--active .cup-stepper___indicator {
    background-color: var(--cup-color-primary);
    border-color: var(--cup-color-primary);
    color: var(--cup-color-on-primary);
  }

  .cup-stepper___step--completed .cup-stepper___indicator {
    background-color: var(--cup-color-success);
    border-color: var(--cup-color-success);
    color: #fff;
  }

  .cup-stepper___label {
    font-size: var(--cup-font-size-sm);
    font-weight: var(--cup-font-weight-medium);
    color: var(--cup-color-secondary);
    white-space: nowrap;
    transition: color var(--cup-transition-fast);
  }

  .cup-stepper___step--active .cup-stepper___label {
    color: var(--cup-color-primary);
    font-weight: var(--cup-font-weight-bold);
  }

  .cup-stepper___step--completed .cup-stepper___label {
    color: var(--cup-color-on-surface);
  }

  .cup-stepper___connector {
    flex: 1;
    height: 2px;
    min-width: var(--cup-space-md);
    background-color: var(--cup-color-border);
    transition: background-color var(--cup-transition-fast);
  }

  .cup-stepper___connector--completed {
    background-color: var(--cup-color-success);
  }

  /* ── Progress ── */
  .cup-progress {
    width: 100%;
    height: 8px;
    background-color: var(--cup-color-surface-alt);
    border-radius: var(--cup-radius-full);
    overflow: hidden;
    position: relative;
  }

  .cup-progress--sm { height: 4px; }
  .cup-progress--lg { height: 12px; }

  .cup-progress___fill {
    height: 100%;
    background-color: var(--cup-color-primary);
    border-radius: var(--cup-radius-full);
    transition: width var(--cup-transition-normal);
  }

  .cup-progress--success .cup-progress___fill { background-color: var(--cup-color-success); }
  .cup-progress--error   .cup-progress___fill { background-color: var(--cup-color-error); }
  .cup-progress--warning .cup-progress___fill { background-color: var(--cup-color-warning); }
  .cup-progress--info    .cup-progress___fill { background-color: var(--cup-color-info); }

  .cup-progress___header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--cup-space-xs);
  }

  .cup-progress___label {
    font-size: var(--cup-font-size-sm);
    font-weight: var(--cup-font-weight-medium);
    color: var(--cup-color-on-surface);
  }

  .cup-progress___value {
    font-size: var(--cup-font-size-xs);
    color: var(--cup-color-secondary);
    font-variant-numeric: tabular-nums;
  }

  /* Indeterminate animation */
  .cup-progress--indeterminate .cup-progress___fill {
    width: 30% !important;
    animation: cup-progress-indeterminate 1.5s var(--cup-easing-smooth) infinite;
  }

  @keyframes cup-progress-indeterminate {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
  }
}


/* === css/motion.css === */
/* cup-core/css/motion.css — Component Motion Layer
 * Rich animations for all cup components.
 * Included by default in cup.css. Respects prefers-reduced-motion via a11y.css. */

/* @property must be top-level (not inside @layer) for angle interpolation */
@property --cup-trace-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

@layer cup-motion {

  /* ── Easing Tokens ── */
  :root {
    --cup-easing-spring: cubic-bezier(.34, 1.56, .64, 1);
    --cup-easing-bounce: cubic-bezier(.34, .66, .66, 1);
    --cup-easing-smooth: cubic-bezier(.4, 0, .2, 1);
  }

  /* ── Toggle: spring thumb + scale feedback ── */
  .cup-toggle___track {
    transition: background-color 250ms var(--cup-easing-smooth);
  }

  .cup-toggle___thumb {
    transition: transform 300ms var(--cup-easing-spring);
  }

  .cup-toggle:active .cup-toggle___thumb {
    transform: scaleX(1.15);
  }

  .cup-toggle[aria-checked="true"]:active .cup-toggle___thumb {
    transform: translateX(1.125rem) scaleX(1.15);
  }

  /* ── Card: hover lift ── */
  .cup-card {
    transition: transform var(--cup-transition-fast),
                box-shadow var(--cup-transition-fast);
  }

  .cup-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--cup-shadow-md);
  }

  /* ── Modal: scale-in entrance + backdrop fade ── */
  @keyframes cup-modal-in {
    from {
      opacity: 0;
      transform: scale(0.95) translateY(8px);
    }
    to {
      opacity: 1;
      transform: scale(1) translateY(0);
    }
  }

  @keyframes cup-modal-backdrop-in {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  .cup-modal[open] {
    animation: cup-modal-in 250ms var(--cup-easing-smooth) both;
  }

  .cup-modal[open]::backdrop {
    animation: cup-modal-backdrop-in 200ms ease both;
  }

  /* ── Toast: slide-up entrance ── */
  @keyframes cup-toast-in {
    from {
      opacity: 0;
      transform: translateY(1rem) scale(0.95);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  @keyframes cup-toast-out {
    from {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
    to {
      opacity: 0;
      transform: translateY(-0.5rem) scale(0.95);
    }
  }

  .cup-toast {
    animation: cup-toast-in 300ms var(--cup-easing-smooth) both;
  }

  .cup-toast[data-dismissing] {
    animation: cup-toast-out 200ms ease both;
  }

  /* ── Badge: pulse on update ── */
  @keyframes cup-badge-pop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.15); }
    100% { transform: scale(1); }
  }

  .cup-badge[data-updated] {
    animation: cup-badge-pop 300ms var(--cup-easing-bounce);
  }

  /* ── Chip: dismiss animation ── */
  @keyframes cup-chip-out {
    from {
      opacity: 1;
      transform: scale(1);
    }
    to {
      opacity: 0;
      transform: scale(0.8);
    }
  }

  .cup-chip___remove {
    transition: color var(--cup-transition-fast),
                background-color var(--cup-transition-fast);
  }

  .cup-chip[data-dismissing] {
    animation: cup-chip-out 150ms ease both;
  }

  /* ── Data Table: row hover transition ── */
  .cup-table td {
    transition: background-color var(--cup-transition-fast);
  }

  /* ── Accordion: content reveal ── */
  .cup-accordion___content {
    animation: cup-fade-in 200ms ease both;
  }

  /* ── Tabs: panel crossfade ── */
  .cup-tabs [role="tabpanel"]:not([hidden]) {
    animation: cup-fade-in 200ms ease both;
  }

  /* ── Button: active press ── */
  .cup-button:active:not(:disabled) {
    transform: scale(0.97);
  }

  /* ── Checkbox / Radio: check pop ── */
  @keyframes cup-check-pop {
    0%   { transform: scale(0.8); }
    50%  { transform: scale(1.15); }
    100% { transform: scale(1); }
  }

  .cup-checkbox input[type="checkbox"]:checked,
  .cup-radio-group input[type="radio"]:checked {
    animation: cup-check-pop 200ms var(--cup-easing-bounce);
  }

  /* ── Input: focus glow ── */
  .cup-input:focus-visible {
    transition: border-color var(--cup-transition-fast),
                box-shadow 200ms var(--cup-easing-smooth);
  }

  /* ── Error message: slide-in ── */
  .cup-error {
    animation: cup-slide-up 200ms ease both;
  }

  /* ── Navigation: active indicator ── */
  .cup-nav a,
  .cup-nav button {
    position: relative;
  }

  /* ── Slider track/thumb ── */
  .cup-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--cup-color-border);
    border-radius: var(--cup-radius-full);
    outline: none;
    transition: background var(--cup-transition-fast);
  }

  .cup-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--cup-radius-full);
    background: var(--cup-color-primary);
    cursor: pointer;
    border: 2px solid var(--cup-color-surface);
    box-shadow: var(--cup-shadow-sm);
    transition: transform var(--cup-transition-fast),
                box-shadow var(--cup-transition-fast);
  }

  .cup-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: var(--cup-radius-full);
    background: var(--cup-color-primary);
    cursor: pointer;
    border: 2px solid var(--cup-color-surface);
    box-shadow: var(--cup-shadow-sm);
    transition: transform var(--cup-transition-fast),
                box-shadow var(--cup-transition-fast);
  }

  .cup-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--cup-shadow-md);
  }

  .cup-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--cup-shadow-md);
  }

  .cup-slider::-webkit-slider-thumb:active {
    transform: scale(1.1);
  }

  .cup-slider::-moz-range-thumb:active {
    transform: scale(1.1);
  }

  .cup-slider:focus-visible {
    outline: 2px solid var(--cup-color-focus);
    outline-offset: 2px;
  }

  .cup-slider:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  .cup-slider:disabled::-webkit-slider-thumb {
    cursor: not-allowed;
  }

  .cup-slider:disabled::-moz-range-thumb {
    cursor: not-allowed;
  }

  /* ── Trace: spinning border highlight ──
   * A bold segment sweeps around the element's perimeter.
   * Customise via:
   *   --cup-trace-color  (default: primary)
   *   --cup-trace-bg     (default: surface-alt)
   *   --cup-trace-width  (default: 2px)
   *   --cup-trace-speed  (default: 2s)
   */
  @keyframes cup-trace {
    to { --cup-trace-angle: 360deg; }
  }

  [data-effect="trace"] {
    --cup-trace-color: var(--cup-color-primary);
    --cup-trace-bg: var(--cup-color-surface-alt);
    --cup-trace-width: 2px;
    --cup-trace-speed: 2s;
    border: var(--cup-trace-width) solid transparent;
    background:
      linear-gradient(var(--cup-trace-bg), var(--cup-trace-bg)) padding-box,
      conic-gradient(
        from var(--cup-trace-angle),
        transparent 0%,
        transparent 60%,
        var(--cup-trace-color) 78%,
        var(--cup-trace-color) 82%,
        transparent 100%
      ) border-box;
    animation: cup-trace var(--cup-trace-speed) linear infinite;
  }

  /* Thicker variant for stronger attention */
  [data-effect="trace"][data-trace-bold] {
    --cup-trace-width: 3px;
  }

  /* ── Enchant: Minecraft-style diagonal shimmer ──
   * A translucent diagonal band sweeps across the element surface
   * like an enchanted weapon glow.
   * Customise via:
   *   --cup-enchant-color  (default: #7b5ea7 — enchant purple)
   *   --cup-enchant-speed  (default: 3s)
   *   --cup-enchant-opacity (default: 0.25)
   */
  @keyframes cup-enchant {
    0%   { background-position: 200% 200%; }
    100% { background-position: -200% -200%; }
  }

  [data-effect="enchant"] {
    --cup-enchant-color: #7b5ea7;
    --cup-enchant-speed: 3s;
    --cup-enchant-opacity: 0.25;
    position: relative;
    overflow: hidden;
  }

  [data-effect="enchant"]::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
      repeating-linear-gradient(
        -55deg,
        transparent 0%,
        transparent 38%,
        color-mix(in srgb, var(--cup-enchant-color) calc(var(--cup-enchant-opacity) * 100%), transparent) 42%,
        color-mix(in srgb, var(--cup-enchant-color) calc(var(--cup-enchant-opacity) * 200%), transparent) 50%,
        color-mix(in srgb, var(--cup-enchant-color) calc(var(--cup-enchant-opacity) * 100%), transparent) 58%,
        transparent 62%,
        transparent 100%
      );
    background-size: 300% 300%;
    animation: cup-enchant var(--cup-enchant-speed) linear infinite;
    mix-blend-mode: screen;
    border-radius: inherit;
  }
}


/* === css/responsive.css === */
/* cup-core/css/responsive.css — Responsive Utilities
 * Breakpoints, fluid typography, sidebar collapse, touch targets.
 * Mobile-first: base styles are mobile, breakpoints add desktop. */

@layer cup-override {

  /* ── Fluid Typography ── */
  :root {
    --cup-font-size-base: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
    --cup-font-size-lg:   clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
    --cup-font-size-xl:   clamp(1.25rem,  1.1rem + 0.75vw, 1.5rem);
    --cup-font-size-2xl:  clamp(1.5rem,   1.25rem + 1.25vw, 2rem);
  }

  /* ── Touch Target Enforcement (WCAG 2.5.8) ── */
  .cup-button,
  .cup-toggle,
  .cup-toggle___track,
  .cup-nav a,
  .cup-nav button,
  .cup-modal___close,
  .cup-toast___close,
  .cup-tabs [role="tab"],
  .cup-accordion summary,
  .cup-chip___remove,
  .cup-checkbox,
  .cup-radio-group label {
    min-height: var(--cup-touch-min);
    min-width: var(--cup-touch-min);
  }

  /* Checkbox/radio: ensure the touch zone covers the label+input pair */
  .cup-checkbox input[type="checkbox"],
  .cup-radio-group input[type="radio"] {
    min-height: 1.125rem;
    min-width: 1.125rem;
  }

  /* ── AppShell Responsive ── */

  /* Mobile: single-column, sidebar hidden */
  @media (max-width: 767px) {
    .cup-shell {
      grid-template-columns: 1fr;
    }

    .cup-shell___sidebar {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: min(80vw, 20rem);
      z-index: var(--cup-z-overlay);
      transform: translateX(-100%);
      transition: transform var(--cup-transition-normal);
      box-shadow: var(--cup-shadow-xl);
    }

    .cup-shell___sidebar[data-open] {
      transform: translateX(0);
    }

    /* Backdrop overlay when sidebar is open */
    .cup-shell___sidebar[data-open]::before {
      content: '';
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.5);
      z-index: -1;
    }

    /* Show hamburger button on mobile */
    .cup-shell___menu-btn {
      display: inline-flex;
    }

    .cup-shell___header {
      gap: var(--cup-space-sm);
      padding: var(--cup-space-sm) var(--cup-space-md);
    }

    .cup-shell___main {
      padding: var(--cup-space-md);
    }

    .cup-shell___footer {
      padding: var(--cup-space-sm) var(--cup-space-md);
    }

    /* Toast container: full-width on mobile */
    .cup-toast-container {
      left: var(--cup-space-sm);
      right: var(--cup-space-sm);
      bottom: var(--cup-space-sm);
    }

    .cup-toast {
      max-width: none;
    }

    /* Token editor: single column on mobile */
    .pg-token-grid {
      grid-template-columns: 1fr;
    }

    /* Demo grid: single column */
    .pg-demo-grid {
      grid-template-columns: 1fr;
    }

    /* Preset grid: 2-column on mobile */
    .pg-preset-grid {
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
  }

  /* Hide hamburger on desktop */
  .cup-shell___menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    min-height: var(--cup-touch-min);
    min-width: var(--cup-touch-min);
    border: none;
    background: none;
    color: var(--cup-color-on-surface);
    font-size: var(--cup-font-size-lg);
    cursor: pointer;
    border-radius: var(--cup-radius-sm);
  }

  .cup-shell___menu-btn:hover {
    background-color: var(--cup-color-surface-alt);
  }

  /* ── Table Responsive ── */
  @media (max-width: 639px) {
    .cup-table {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }
  }
}


/* === css/print.css === */
/* cup-core/css/print.css — Print-optimized styles
 * Ensures readable, ink-friendly output when pages are printed. */

@layer cup-override {
  @media print {
    @page {
      margin: 2cm;
      size: A4;
    }

    /* ── Hide interactive-only elements ── */
    .cup-shell___header,
    .cup-shell___sidebar,
    .cup-shell___footer,
    .cup-shell___menu-btn,
    cup-toggle,
    cup-toast,
    cup-powered-by,
    .cup-skip-link,
    button,
    [role="button"] {
      display: none !important;
    }

    /* ── Full-width content ── */
    .cup-shell___main,
    .cup-shell {
      display: block;
      width: 100%;
      max-width: 100%;
      margin: 0;
      padding: 0;
    }

    /* ── Readable typography ── */
    body {
      font-size: 12pt;
      line-height: 1.5;
      color: #000;
      background: #fff;
    }

    /* ── Show link URLs ── */
    a[href]::after {
      content: " (" attr(href) ")";
      font-size: 0.8em;
      color: #555;
    }

    a[href^="#"]::after,
    a[href^="javascript:"]::after {
      content: "";
    }

    /* ── Prevent orphans/widows ── */
    h1, h2, h3, h4 {
      page-break-after: avoid;
      orphans: 3;
      widows: 3;
    }

    /* ── Prevent element splits ── */
    pre, blockquote, table, figure {
      page-break-inside: avoid;
    }

    /* ── Remove shadows and decorations ── */
    * {
      box-shadow: none !important;
      text-shadow: none !important;
    }

    /* ── Code readability ── */
    pre, code {
      word-wrap: break-word;
      white-space: pre-wrap;
      -webkit-hyphens: auto;
      hyphens: auto;
    }
  }
}


/* === themes/light.css === */
/* cup-core/themes/light.css — Light Theme */

@layer cup-theme {
  :root[data-theme="light"] {
    color-scheme: light;
    --cup-color-surface:      #ffffff;
    --cup-color-on-surface:   #1a1a1a;
    --cup-color-surface-alt:  #f5f5f5;
    --cup-color-primary:      #0277bd;
    --cup-color-on-primary:   #ffffff;
    --cup-color-secondary:    #546e7a;
    --cup-color-error:        #c62828;
    --cup-color-on-error:     #ffffff;
    --cup-color-success:      #2e7d32;
    --cup-color-warning:      #e65100;
    --cup-color-info:         #01579b;
    --cup-color-border:       #cccccc;
    --cup-color-focus:        #0277bd;
    --cup-color-disabled:     #e0e0e0;
    --cup-color-on-disabled:  #9e9e9e;
    --cup-color-placeholder:  #9e9e9e;
  }

  /* Auto-detect: respect OS preference when no explicit data-theme */
  @media (prefers-color-scheme: light) {
    :root:not([data-theme]) {
      color-scheme: light;
      --cup-color-surface:      #ffffff;
      --cup-color-on-surface:   #1a1a1a;
      --cup-color-surface-alt:  #f5f5f5;
      --cup-color-primary:      #0277bd;
      --cup-color-on-primary:   #ffffff;
      --cup-color-secondary:    #546e7a;
      --cup-color-error:        #c62828;
      --cup-color-on-error:     #ffffff;
      --cup-color-success:      #2e7d32;
      --cup-color-warning:      #e65100;
      --cup-color-info:         #01579b;
      --cup-color-border:       #cccccc;
      --cup-color-focus:        #0277bd;
      --cup-color-disabled:     #e0e0e0;
      --cup-color-on-disabled:  #9e9e9e;
      --cup-color-placeholder:  #9e9e9e;
    }
  }
}