/* @ritualads/ui. Served at /ui.css: the shared components, as plain classes, so Tailwind and
   plain-CSS apps build from the same parts. Sizes come from the component tokens in /tokens.css;
   colors fall back to the semantic tokens at the element. Copied from src/tokens/ui.css by
   scripts/assets.mjs; edit the source, not the output. See DESIGN.md. */

/* Over a Tailwind 4 reset (base), under its utilities and under any unlayered app stylesheet.
   Naming Tailwind's layers here is harmless for apps without it. */
@layer theme, base, ritual-base, ritual-ui, components, utilities;

@layer ritual-ui {
  :where(.r-btn, .r-input, .r-card, .r-notice, .r-pill, .r-media-card, .r-media-card *, .r-empty) {
    box-sizing: border-box;
  }

  /* An element carrying its own hue (inline --accent-*): the soft fill and tinted text follow it,
     not the hue they were computed from further up. */
  .r-hue {
    --accent-fg: var(--accent-300);
    --accent-soft: color-mix(in oklch, var(--accent-500) 16%, transparent);
  }
  [data-scheme="light"] .r-hue,
  .r-hue[data-scheme="light"] {
    --accent-fg: var(--accent-600);
    --accent-soft: color-mix(in oklch, var(--accent-500) 12%, transparent);
  }
  [data-scheme="light"] [data-scheme="dark"] .r-hue,
  .r-hue[data-scheme="dark"] {
    --accent-fg: var(--accent-300);
    --accent-soft: color-mix(in oklch, var(--accent-500) 16%, transparent);
  }

  /* ------------------------------------------------------------------ buttons */
  .r-btn {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: var(--control-h);
    padding: 0 var(--control-pad-x);
    border: 1px solid var(--border-strong);
    border-radius: var(--control-radius);
    background: var(--control-bg, var(--surface-raised));
    color: var(--fg);
    font: inherit;
    font-size: var(--control-text);
    line-height: var(--leading-sm);
    font-weight: var(--control-weight);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    outline: none;
    transition-property: color, background-color, border-color, box-shadow, transform, filter;
    transition-duration: var(--duration-fast);
    transition-timing-function: var(--ease);
  }
  .r-btn:hover:not(:disabled) {
    background: var(--surface-hover);
  }
  /* An outline, not a shadow, so a treatment's button shadow can't hide it. */
  .r-btn:focus-visible {
    outline: 2px solid color-mix(in oklch, var(--accent-500) 70%, transparent);
    outline-offset: 2px;
  }
  .r-btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
  }

  .r-btn--primary {
    border-color: transparent;
    background: var(--accent-500);
    padding: 0 var(--control-primary-pad-x);
    color: var(--accent-ink);
    font-weight: var(--control-primary-weight);
    box-shadow: var(--shadow-sm);
  }
  .r-btn--primary:hover:not(:disabled) {
    background: var(--accent-600);
  }
  .r-btn--primary:active:not(:disabled) {
    background: var(--accent-700);
  }

  .r-btn--ghost {
    border-color: transparent;
    background: transparent;
    padding: 0 10px;
    color: var(--fg-muted);
  }
  .r-btn--ghost:hover:not(:disabled) {
    background: var(--surface-hover);
    color: var(--fg);
  }

  .r-btn--sm {
    height: var(--control-h-sm);
  }

  /* ------------------------------------------------------------------ inputs */
  .r-input {
    height: var(--control-h);
    padding: 0 var(--control-pad-x);
    border: 1px solid var(--border-strong);
    border-radius: var(--control-radius);
    background: var(--input-bg, var(--bg));
    color: var(--fg);
    font: inherit;
    font-size: var(--control-text);
    line-height: var(--leading-sm);
    outline: none;
    transition-property: border-color, box-shadow;
    transition-duration: var(--duration-fast);
    transition-timing-function: var(--ease);
  }
  .r-input::placeholder {
    color: var(--fg-subtle);
  }
  .r-input:focus {
    border-color: var(--accent-500);
    box-shadow: 0 0 0 2px color-mix(in oklch, var(--accent-500) 25%, transparent);
  }
  textarea.r-input {
    height: auto;
    min-height: 96px;
    padding-block: var(--space-2);
    resize: vertical;
  }

  .r-label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    font-weight: 500;
    color: var(--fg-muted);
  }

  .r-link {
    color: var(--accent-fg);
    font-weight: 500;
    text-decoration: none;
    text-underline-offset: 3px;
  }
  .r-link:hover {
    text-decoration: underline;
  }

  /* ------------------------------------------------------------------ type */
  .r-eyebrow {
    margin: 0;
    font-family: var(--font-label);
    font-size: var(--eyebrow-size);
    line-height: var(--leading-sm);
    font-weight: var(--eyebrow-weight);
    text-transform: var(--eyebrow-case);
    letter-spacing: var(--eyebrow-tracking);
    color: var(--fg-subtle);
  }

  .r-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--title-size);
    line-height: var(--title-leading);
    font-weight: var(--title-weight);
    font-style: var(--title-style);
    letter-spacing: var(--title-tracking);
  }

  .r-display {
    margin: 0;
    font-family: var(--font-display);
    font-size: var(--display-size);
    line-height: var(--display-leading);
    font-weight: var(--display-weight);
    font-style: var(--title-style);
    letter-spacing: var(--display-tracking);
  }

  .r-figure {
    margin: 0;
    font-family: var(--font-figure);
    font-size: var(--figure-size);
    line-height: var(--figure-leading);
    font-weight: var(--figure-weight);
    letter-spacing: var(--figure-tracking);
    font-variant-numeric: tabular-nums;
  }

  /* ------------------------------------------------------------------ page header */
  .r-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--space-5);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--border);
  }
  .r-page-header__icon {
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--fg-muted);
  }
  .r-page-header__body {
    min-width: 0;
    flex: 1 1 18rem;
  }
  .r-page-header__desc {
    margin: var(--space-2) 0 0;
    max-width: 42rem;
    color: var(--fg-muted);
  }
  .r-page-header__actions {
    display: flex;
    flex-wrap: wrap;
    align-self: flex-end;
    gap: var(--space-2);
  }

  .r-section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-1) var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border);
  }
  .r-section-head__title {
    margin: 0;
    font-size: var(--text-lg);
    line-height: var(--leading-lg);
    font-weight: 600;
  }
  .r-section-head__blurb {
    margin: 0;
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--fg-subtle);
  }

  /* ------------------------------------------------------------------ layout */
  .r-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--grid-min, 280px), 1fr));
    gap: var(--grid-gap);
  }
  .r-sections {
    display: flex;
    flex-direction: column;
    gap: var(--section-gap);
  }

  /* ------------------------------------------------------------------ cards */
  .r-card {
    padding: var(--card-pad);
    border: 1px solid var(--card-border-color, var(--border));
    border-radius: var(--card-radius);
    background: var(--card-bg, var(--surface));
    box-shadow: var(--card-shadow, none);
  }
  .r-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--card-head-gap);
  }
  .r-card__title {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--card-title-font);
    font-size: var(--card-title-size);
    line-height: var(--card-title-leading);
    font-weight: var(--card-title-weight);
  }
  .r-card__icon {
    flex-shrink: 0;
    color: var(--fg-muted);
  }
  .r-card__desc {
    margin: var(--space-1) 0 0;
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--fg-muted);
  }

  /* ------------------------------------------------------------------ media cards */
  .r-media-card {
    position: relative;
    display: flex;
    width: 100%;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--card-border-color, var(--border));
    border-radius: var(--media-card-radius);
    background: var(--media-card-bg, var(--surface));
    box-shadow: var(--card-shadow, none);
    color: inherit;
    text-decoration: none;
    transition-property: border-color, box-shadow, transform;
    transition-duration: 300ms;
    transition-timing-function: var(--ease);
  }
  .r-media-card.is-link:hover {
    transform: translateY(var(--media-lift));
    border-color: color-mix(in oklch, var(--accent-500) 40%, transparent);
    box-shadow: 0 24px 48px -24px var(--accent-500);
  }
  .r-media-card.is-link:focus-visible {
    outline: 2px solid var(--accent-500);
    outline-offset: 2px;
  }
  .r-media-card.is-disabled {
    opacity: 0.8;
  }

  .r-media-card__media {
    position: relative;
    isolation: isolate;
    margin: var(--media-inset) var(--media-inset) 0;
    aspect-ratio: var(--media-ratio);
    overflow: hidden;
    border-radius: var(--media-radius);
    /* The bottom row is the card's own color: at a fractional offset the media can stop a
       half pixel short of the clip, and whatever shows there has to match the body below. */
    background:
      linear-gradient(to top, var(--media-card-bg, var(--surface)), transparent 35%),
      linear-gradient(140deg, var(--accent-600), var(--accent-300) 140%);
    transform: translateZ(0);
  }
  .r-media-card__img,
  .r-media-card__video {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 700ms var(--ease);
    will-change: transform;
  }
  .r-media-card__video {
    opacity: 0;
    transition:
      opacity 600ms var(--ease),
      transform 700ms var(--ease);
  }
  .r-media-card__video[data-playing] {
    opacity: 1;
  }
  .r-media-card.is-link:hover :is(.r-media-card__img, .r-media-card__video) {
    transform: scale(var(--media-zoom));
  }
  .r-media-card.is-disabled .r-media-card__img {
    filter: grayscale(0.35);
  }
  .r-media-card__shade {
    position: absolute;
    /* Past the clip on every side, so rounding never leaves an edge of media uncovered. It sits
       over the hover glow, so its bottom stays exactly the body's color while the glow fades in. */
    inset: -2px;
    background: linear-gradient(
      to top,
      var(--media-card-bg, var(--surface)),
      color-mix(in oklch, var(--media-card-bg, var(--surface)) 30%, transparent),
      transparent
    );
  }
  .r-media-card__glow {
    position: absolute;
    inset: 0;
    opacity: 0;
    mix-blend-mode: soft-light;
    background: linear-gradient(140deg, var(--accent-400), transparent 60%);
    transition: opacity 300ms var(--ease);
  }
  .r-media-card.is-link:hover .r-media-card__glow {
    opacity: 1;
  }
  .r-media-card__status {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: var(--space-1) 10px;
    border-radius: var(--radius-full);
    background: rgb(0 0 0 / 0.45);
    color: white;
    font-size: var(--text-xs);
    line-height: var(--leading-xs);
    font-weight: 500;
    backdrop-filter: blur(12px);
  }
  .r-media-card__badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: var(--space-1) 10px;
    border-radius: var(--radius-full);
    background: rgb(0 0 0 / 0.45);
    box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--color-amber-300) 35%, transparent);
    color: var(--color-amber-200);
    font-size: var(--text-xs);
    line-height: var(--leading-xs);
    font-weight: 500;
    backdrop-filter: blur(12px);
  }
  .r-media-card.is-disabled .r-media-card__status {
    background: rgb(0 0 0 / 0.35);
    color: rgb(255 255 255 / 0.7);
  }
  .r-media-card__dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
  }
  .r-media-card__dot--live {
    color: var(--color-green-400);
  }
  .r-media-card__dot--building {
    color: var(--color-amber-400);
  }
  .r-media-card__dot--review {
    color: var(--color-sky-400);
  }

  .r-media-card__body {
    position: relative;
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: var(--media-card-pad);
  }
  /* A strip of the card's color over the seam. The video and the shade are separate layers that can
     round their clipped bottom edges a pixel apart; this sits above both, so neither edge shows. */
  .r-media-card__body::before {
    content: "";
    position: absolute;
    top: -3px;
    right: 0;
    left: 0;
    height: 4px;
    background: var(--media-card-bg, var(--surface));
    pointer-events: none;
  }
  .r-media-card__tile {
    position: relative;
    display: grid;
    place-items: center;
    width: var(--media-tile-size);
    height: var(--media-tile-size);
    margin-top: calc(-1 * (var(--media-tile-overlap) + var(--media-card-pad)));
    border-radius: var(--media-tile-radius);
    background: linear-gradient(140deg, var(--accent-400), var(--accent-600));
    color: white;
    box-shadow:
      inset 0 0 0 1px rgb(255 255 255 / 0.18),
      0 10px 24px -10px var(--accent-500);
  }
  .r-media-card__title {
    margin: var(--space-4) 0 0;
    font-family: var(--media-title-font);
    font-size: var(--media-title-size);
    line-height: var(--media-title-leading);
    font-weight: var(--media-title-weight);
    letter-spacing: -0.01em;
  }
  .r-media-card__body > .r-media-card__title:first-child {
    margin-top: 0;
  }
  .r-media-card__desc {
    display: -webkit-box;
    margin: var(--space-1) 0 0;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--fg-muted);
  }
  .r-media-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-3);
    margin-top: var(--space-3);
    font-family: var(--font-label);
    font-size: var(--label-size);
    line-height: var(--leading-xs);
    font-weight: var(--label-weight);
    text-transform: var(--label-case);
    letter-spacing: var(--label-tracking);
    color: var(--fg-subtle);
    font-variant-numeric: tabular-nums;
  }
  .r-media-card__foot {
    display: flex;
    justify-content: flex-end;
    margin-top: auto;
    padding-top: var(--space-5);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
  }
  .r-media-card__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: 500;
    color: var(--accent-300);
    transition: transform 200ms var(--ease);
  }
  .r-media-card.is-link:hover .r-media-card__cta {
    transform: translateX(2px);
  }
  .r-media-card__cta-idle,
  .r-media-card__cta-busy {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
  }
  .r-media-card__cta-busy {
    display: none;
    gap: var(--space-2);
  }

  /* Opening: the clicked card stays lifted and says so; nothing else takes a click until the page goes. */
  .r-media-card[data-opening] {
    cursor: progress;
    transform: translateY(var(--media-lift));
    border-color: color-mix(in oklch, var(--accent-500) 60%, transparent);
    box-shadow: 0 24px 48px -24px var(--accent-500);
  }
  .r-media-card[data-opening] .r-media-card__glow {
    opacity: 1;
    animation: r-opening-glow 1.2s var(--ease) infinite alternate;
  }
  .r-media-card[data-opening] .r-media-card__cta {
    transform: none;
  }
  .r-media-card[data-opening] .r-media-card__cta-idle {
    display: none;
  }
  .r-media-card[data-opening] .r-media-card__cta-busy {
    display: inline-flex;
  }
  html[data-opening] {
    cursor: progress;
  }
  html[data-opening] .r-media-card.is-link:not([data-opening]) {
    pointer-events: none;
  }
  html[data-opening] body::after {
    content: "";
    position: fixed;
    inset: 0 0 auto;
    z-index: 2147483647;
    height: 2px;
    background: var(--accent-500);
    box-shadow: 0 0 8px var(--accent-500);
    transform-origin: left;
    animation: r-opening-bar 12s cubic-bezier(0.1, 0.7, 0.1, 1) forwards;
    pointer-events: none;
  }
  @keyframes r-opening-bar {
    from {
      transform: scaleX(0.05);
    }
    to {
      transform: scaleX(0.92);
    }
  }
  @keyframes r-opening-glow {
    from {
      opacity: 0.45;
    }
    to {
      opacity: 1;
    }
  }

  .r-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    flex: none;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: var(--radius-full);
    animation: r-spin 700ms linear infinite;
  }
  @keyframes r-spin {
    to {
      transform: rotate(360deg);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .r-media-card[data-opening] .r-media-card__glow,
    html[data-opening] body::after {
      animation: none;
    }
    .r-spinner {
      animation-duration: 1.6s;
    }
  }

  /* ------------------------------------------------------------------ notices */
  .r-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--fg);
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
  }
  .r-notice__icon {
    flex-shrink: 0;
    margin-top: 1px;
    color: var(--fg-muted);
  }
  .r-notice__body {
    flex: 1;
  }
  .r-notice--success {
    border-color: color-mix(in oklch, var(--color-green-500) 40%, transparent);
    background: color-mix(in oklch, var(--color-green-500) 10%, transparent);
  }
  .r-notice--success .r-notice__icon {
    color: var(--color-green-400);
  }
  .r-notice--warning {
    border-color: color-mix(in oklch, var(--color-amber-500) 40%, transparent);
    background: color-mix(in oklch, var(--color-amber-500) 10%, transparent);
  }
  .r-notice--warning .r-notice__icon {
    color: var(--color-amber-400);
  }
  .r-notice--danger {
    border-color: color-mix(in oklch, var(--color-red-500) 50%, transparent);
    background: color-mix(in oklch, var(--color-red-500) 10%, transparent);
  }
  .r-notice--danger .r-notice__icon {
    color: var(--color-red-400);
  }

  /* ------------------------------------------------------------------ pills */
  .r-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: var(--pill-h);
    padding: 2px var(--pill-pad-x);
    border-radius: var(--pill-radius);
    background: color-mix(in oklch, var(--fg) 8%, transparent);
    color: var(--fg-muted);
    font-size: var(--pill-text);
    line-height: var(--leading-xs);
    font-weight: 500;
    white-space: nowrap;
  }
  .r-pill--accent {
    background: var(--accent-soft);
    color: var(--accent-fg);
  }
  .r-pill--success {
    background: color-mix(in oklch, var(--color-green-500) 15%, transparent);
    color: var(--success-fg);
  }
  .r-pill--warning {
    background: color-mix(in oklch, var(--color-amber-500) 15%, transparent);
    color: var(--warning-fg);
  }
  .r-pill--danger {
    background: color-mix(in oklch, var(--color-red-500) 15%, transparent);
    color: var(--danger-fg);
  }

  /* ------------------------------------------------------------------ tables */
  .r-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
  }
  .r-table th {
    padding: 0 var(--space-3) var(--space-2);
    border-bottom: 1px solid var(--border);
    font-family: var(--font-label);
    font-size: var(--label-size);
    line-height: var(--leading-xs);
    font-weight: var(--label-weight);
    text-align: left;
    text-transform: var(--label-case);
    letter-spacing: var(--label-tracking);
    color: var(--fg-subtle);
  }
  .r-table td {
    padding: 10px var(--space-3);
    border-bottom: 1px solid var(--border);
  }
  .r-table :is(th, td):first-child {
    padding-left: 0;
  }
  .r-table :is(th, td):last-child {
    padding-right: 0;
  }
  .r-table tbody tr:last-child td {
    border-bottom: 0;
  }
  .r-table .is-num {
    text-align: right;
    font-family: var(--font-figure);
    font-variant-numeric: tabular-nums;
  }

  /* ------------------------------------------------------------------ empty states */
  .r-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-20) var(--space-6);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    text-align: center;
  }
  .r-empty__icon {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--surface);
    color: var(--fg-muted);
    box-shadow: 0 0 0 1px var(--border);
  }
  .r-empty__title {
    margin: var(--space-5) 0 0;
    font-size: var(--text-lg);
    line-height: var(--leading-lg);
    font-weight: 600;
  }
  .r-empty__body {
    margin: var(--space-1) 0 0;
    max-width: 28rem;
    font-size: var(--text-sm);
    line-height: var(--leading-sm);
    color: var(--fg-muted);
  }
}