/*
 * Tafrah web preview — the player and the seek-bar segments.
 *
 * The sticky bar and the expanded player follow the Figma "Sticky player" and
 * "Episode - Player" sections. The segment ranges, the vote card and the
 * mark-while-listening review are Tafrah's own (Plan 8.4); they borrow the
 * kit's waveform seek bar and its "Save the cut" range selector.
 */

@layer components {
  /* ---------------------------- sticky player --------------------------- */
  .player-bar {
    position: fixed;
    z-index: 70;
    inset-inline: 0;
    inset-block-end: calc(var(--nav-height) + env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-3);
    min-height: var(--player-height);
    background: var(--surface);
    padding: var(--space-3) var(--gutter);
  }

  .player-bar.is-entering {
    animation: player-in 360ms var(--ease-out) both;
  }

  /* The line across the top of the bar: progress, with each segment's colour on it. */
  .player-progress {
    position: absolute;
    inset-inline: 0;
    inset-block-start: 0;
    height: 3px;
    background: var(--surface-raised);
  }

  .player-progress__fill {
    position: absolute;
    inset-block: 0;
    left: 0;
    width: var(--progress, 0%);
    background: var(--primary);
  }

  .player-progress__band {
    position: absolute;
    inset-block: 0;
    left: var(--start);
    width: max(var(--width), 3px);
    background: var(--seg);
    opacity: 0.85;
  }

  .player-cover-button {
    display: none;
    border-radius: var(--radius-sm);
    background: transparent;
    padding: 0;
  }

  .player-cover-button .cover-frame {
    width: 3rem;
    border-radius: var(--radius-sm);
  }

  .player-copy {
    display: grid;
    min-width: 0;
    background: transparent;
    color: inherit;
    padding: 0;
    text-align: start;
  }

  .player-copy span,
  .player-copy strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .player-copy span {
    color: var(--muted);
    font-size: var(--fs-12);
    font-weight: 700;
  }

  .player-copy strong {
    font-size: var(--fs-16);
  }

  .player-controls,
  .player-transport {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }

  /* Figma's play control: a light disc with a dark glyph. */
  .player-main,
  .transport__main {
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--neutral-90);
    color: var(--neutral-10);
  }

  .player-main svg,
  .transport__main svg {
    fill: currentColor;
  }

  .player-main svg {
    width: 1.25rem;
    height: 1.25rem;
  }

  .player-skip,
  .player-speed {
    display: none;
  }

  .player-speed {
    min-width: 3.25rem;
    min-height: 2.5rem;
    padding: 0 var(--space-2);
    font-family: var(--font-latin);
    font-size: var(--fs-14);
  }

  /* While a segment is being marked, its "end" button rides along in the bar. */
  .capture-pill {
    display: inline-flex;
    min-height: 2.5rem;
    align-items: center;
    gap: var(--space-2);
    border-radius: 999px;
    background: var(--coral);
    color: var(--neutral-10);
    padding: 0 var(--space-3);
    font-size: var(--fs-12);
    font-weight: 700;
    white-space: nowrap;
  }

  .capture-pill svg {
    width: 1rem;
    height: 1rem;
  }

  .capture-pill b {
    font-family: var(--font-latin);
  }

  /* ------------------------------ seek bar ------------------------------ */
  .seekbar {
    --wave-height: 3.5rem;
    display: grid;
    gap: var(--space-1);
    width: 100%;
  }

  .seekbar__stage {
    position: relative;
    height: var(--wave-height);
  }

  .seekbar__wave {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 1px;
  }

  .seekbar__wave i {
    height: calc(var(--bar) * 1%);
    flex: 1 1 0;
    max-width: 3px;
    border-radius: 999px;
    background: var(--neutral-40);
  }

  .seekbar__wave i.is-played {
    background: var(--coral);
  }

  /* A segment's colour washed over its stretch of the wave. */
  .seekbar__tints {
    position: absolute;
    inset: 0;
    pointer-events: none;
  }

  .seekbar__tint {
    position: absolute;
    inset-block: 0;
    left: var(--start);
    width: max(var(--width), 3px);
    border-radius: 3px;
    background: color-mix(in srgb, var(--seg) 22%, transparent);
  }

  .seekbar__tint.is-selected {
    background: color-mix(in srgb, var(--seg) 40%, transparent);
    box-shadow: inset 0 0 0 1px var(--seg);
  }

  .seekbar__tint.is-pending {
    --seg: var(--primary);
    background: color-mix(in srgb, var(--primary) 30%, transparent);
    box-shadow: inset 0 0 0 1px var(--primary);
  }

  .seekbar__playhead {
    position: absolute;
    inset-block: 0;
    left: var(--progress, 0%);
    width: 2px;
    margin-left: -1px;
    border-radius: 2px;
    background: var(--text);
    pointer-events: none;
  }

  /* The real control: an invisible range laid over the wave. */
  .seekbar__range {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
    opacity: 0;
  }

  .seekbar__stage:has(.seekbar__range:focus-visible) {
    border-radius: var(--radius-sm);
    outline: 2px solid var(--primary-hover);
    outline-offset: 4px;
  }

  /* The lane under the wave: one tappable bar per segment. */
  .seekbar__lane {
    position: relative;
    height: 1.5rem;
  }

  .seekbar__band {
    position: absolute;
    inset-block: 0;
    left: var(--start);
    width: max(var(--width), 0.6rem);
    background: transparent;
    padding: 0;
  }

  .seekbar__band::after {
    position: absolute;
    inset-inline: 0;
    inset-block-start: 0.3rem;
    height: 0.4rem;
    border-radius: 999px;
    background: var(--seg);
    content: '';
    transition: height 160ms var(--ease-out);
  }

  .seekbar__band[aria-pressed='true']::after {
    inset-block-start: 0.15rem;
    height: 0.7rem;
    box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px var(--seg);
  }

  .seekbar__band.is-pending {
    --seg: var(--primary);
    pointer-events: none;
  }

  .seekbar-times {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-3);
    color: var(--muted);
    font-family: var(--font-latin);
    font-size: var(--fs-12);
    font-weight: 500;
  }

  .seekbar-times__label {
    overflow: hidden;
    color: var(--text-soft);
    font-family: var(--font-ar);
    font-size: var(--fs-14);
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .segment-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-1) var(--space-4);
    margin: 0;
    padding: 0;
    color: var(--muted-strong);
    font-size: var(--fs-12);
    list-style: none;
  }

  .segment-legend li {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
  }

  .segment-legend li::before {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 3px;
    background: var(--seg);
    content: '';
  }

  /* --------------------------- segment card ----------------------------- */
  .segment-card {
    position: relative;
    display: grid;
    width: 100%;
    gap: var(--space-3);
    border-block-start: 2px solid var(--seg);
    border-radius: var(--radius-lg);
    background: var(--surface);
    padding: var(--space-4);
    text-align: start;
  }

  /* The caret that ties the card to its range on the bar above. */
  .segment-card::before {
    position: absolute;
    width: 0.75rem;
    height: 0.75rem;
    inset-block-start: -0.45rem;
    left: var(--anchor, 50%);
    margin-left: -0.375rem;
    border-radius: 2px;
    background: var(--seg);
    content: '';
    transform: rotate(45deg);
  }

  .segment-card header,
  .segment-card footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
  }

  .segment-card header .icon-button {
    margin-inline-start: auto;
  }

  .segment-card footer {
    justify-content: space-between;
  }

  .segment-card p {
    color: var(--text-soft);
    line-height: 1.7;
  }

  .segment-card small {
    color: var(--muted);
    font-size: var(--fs-12);
  }

  .segment-card__range {
    min-height: 0;
    font-family: var(--font-latin);
  }

  .segment-card__range svg {
    fill: currentColor;
  }

  .segment-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    border-radius: 999px;
    background: color-mix(in srgb, var(--seg, var(--muted)) 20%, transparent);
    color: var(--text);
    padding: 0.2rem 0.75rem;
    font-size: var(--fs-12);
    font-weight: 700;
  }

  .segment-chip::before,
  .chip--segment::before {
    display: inline-block;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 3px;
    background: var(--seg);
    content: '';
  }

  .chip--segment {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--bg);
  }

  .chip--segment[aria-pressed='true']::before {
    background: var(--on-primary);
  }

  .vote-group {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    border-radius: 999px;
    background: var(--bg);
    padding: var(--space-1);
  }

  .vote-group output {
    min-width: 2rem;
    font-family: var(--font-latin);
    font-size: var(--fs-16);
    font-weight: 700;
    text-align: center;
  }

  .vote-button {
    display: grid;
    width: 2.5rem;
    height: 2.5rem;
    place-items: center;
    border-radius: 50%;
    background: transparent;
    color: var(--muted-strong);
  }

  .vote-button svg {
    width: 1.25rem;
    height: 1.25rem;
  }

  .vote-button[aria-pressed='true'] {
    background: var(--primary);
    color: var(--on-primary);
  }

  .secondary-button--compact {
    min-height: 2.5rem;
    background: var(--bg);
    padding: 0.4rem 1rem;
    font-size: var(--fs-14);
  }

  .timestamp-row[aria-pressed='true'] {
    color: var(--text);
  }

  .timestamp-row[aria-pressed='true'] b {
    color: var(--primary-hover);
  }

  /* ------------------------- mark while listening ----------------------- */
  .capture-control {
    display: grid;
    justify-items: center;
    gap: var(--space-2);
    text-align: center;
  }

  .capture-control small {
    max-width: 34ch;
    color: var(--muted);
    font-size: var(--fs-12);
    line-height: 1.7;
  }

  .capture-control small b {
    color: var(--text-soft);
    font-family: var(--font-latin);
  }

  .capture-control small .text-button {
    display: inline;
    min-height: 0;
    padding: 0;
    font-size: inherit;
  }

  .capture-button {
    display: inline-flex;
    width: min(100%, 22rem);
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text);
    padding: 0 var(--space-4);
    font-size: var(--fs-16);
    font-weight: 700;
    transition:
      background-color 180ms var(--ease-toggle),
      border-color 180ms var(--ease-toggle);
  }

  .capture-button svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--coral);
  }

  .capture-button.is-live {
    border-color: var(--coral);
    background: var(--coral);
    color: var(--neutral-10);
  }

  .capture-button.is-live svg {
    color: inherit;
  }

  .capture-button b {
    font-family: var(--font-latin);
  }

  .capture-review {
    display: grid;
    gap: var(--space-4);
    border-radius: var(--radius-lg);
    background: var(--surface);
    padding: var(--space-4);
  }

  .capture-review h3 {
    font-size: var(--fs-18);
  }

  .capture-review .field input {
    background: var(--bg);
  }

  .time-nudge {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    font-weight: 500;
  }

  .time-nudge__controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }

  .time-nudge .icon-button {
    background: var(--bg);
  }

  .time-nudge input {
    width: 5.5rem;
    min-height: 2.5rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    outline: none;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-latin);
    font-size: var(--fs-16);
    font-weight: 700;
    text-align: center;
  }

  .time-nudge input:focus {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
  }

  .capture-review__length {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-2);
    color: var(--muted-strong);
  }

  .capture-review__length b {
    color: var(--text);
    font-family: var(--font-latin);
  }

  .capture-review__length.is-invalid span:last-child {
    color: var(--warning);
    font-weight: 500;
  }

  .capture-review__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
  }

  .capture-review__actions .primary-button {
    flex: 1 1 10rem;
  }

  .capture-review__actions .secondary-button {
    background: var(--bg);
  }

  /* --------------------------- expanded player -------------------------- */
  body.player-open {
    overflow: hidden;
  }

  .now-playing {
    position: fixed;
    z-index: 100;
    inset: 0;
    background:
      linear-gradient(180deg, oklch(46% 0.13 var(--cover-hue)) 0, oklch(30% 0.08 var(--cover-hue)) 13rem, var(--bg) 27rem),
      var(--bg);
    color: var(--text);
  }

  .now-playing.is-entering {
    animation: sheet-in 320ms var(--ease-out) both;
  }

  :root[data-theme='light'] .now-playing {
    background:
      linear-gradient(180deg, oklch(82% 0.08 var(--cover-hue)) 0, oklch(92% 0.04 var(--cover-hue)) 13rem, var(--bg) 27rem),
      var(--bg);
  }

  .now-playing__scroll {
    height: 100%;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: max(var(--space-3), env(safe-area-inset-top)) var(--gutter) max(var(--space-8), env(safe-area-inset-bottom));
  }

  .now-playing__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-inline: calc(var(--space-2) * -1);
  }

  .now-playing__grid {
    display: grid;
    width: min(100%, 30rem);
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
    margin-inline: auto;
    padding-block-start: var(--space-2);
  }

  .now-playing__stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    gap: var(--space-3);
  }

  .now-playing__cover {
    width: min(13.75rem, 58vw);
    margin-block-end: var(--space-2);
  }

  .now-playing__cover .cover-frame {
    box-shadow: var(--shadow-lg);
  }

  .now-playing__show {
    color: var(--muted-strong);
    font-size: var(--fs-12);
    font-weight: 700;
  }

  .now-playing__title {
    display: -webkit-box;
    overflow: hidden;
    font-size: var(--fs-24);
    text-align: center;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .now-playing .seekbar {
    margin-block-start: var(--space-3);
  }

  .now-playing .seekbar-times {
    width: 100%;
  }

  .transport {
    display: grid;
    width: 100%;
    grid-template-columns: 3rem 1fr auto 1fr 3rem;
    align-items: center;
    justify-items: center;
    margin-block: var(--space-3);
  }

  .transport__main {
    width: 4rem;
    height: 4rem;
  }

  .transport__main svg {
    width: 1.75rem;
    height: 1.75rem;
  }

  .transport__skip {
    position: relative;
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border-radius: 50%;
    background: transparent;
    color: var(--text);
  }

  .transport__skip svg {
    width: 2.25rem;
    height: 2.25rem;
    stroke-width: 1.3;
  }

  .transport__skip b {
    position: absolute;
    inset-block-start: 55%;
    font-family: var(--font-latin);
    font-size: 0.62rem;
    transform: translateY(-50%);
  }

  .transport__speed {
    min-width: 3rem;
    min-height: 2.5rem;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted-strong);
    font-family: var(--font-latin);
    font-size: var(--fs-14);
    font-weight: 700;
  }

  .now-playing__panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: var(--space-4);
  }

  .now-playing__panel .tab-bar button {
    display: inline-flex;
    flex: 1 1 0;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
  }

  .now-playing__panel .tab-bar svg {
    width: 1.25rem;
    height: 1.25rem;
  }

  .now-playing__content {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
  }

  .panel-block {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }

  .panel-block h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-20);
  }

  .panel-block h3 small {
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted-strong);
    padding: 0 0.6rem;
    font-family: var(--font-latin);
    font-size: var(--fs-12);
  }

  .panel-empty {
    color: var(--muted-strong);
    line-height: 1.8;
  }

  .action-list {
    display: grid;
  }

  .action-row {
    display: grid;
    min-height: 3.5rem;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-3);
    border-block-end: 1px solid var(--surface);
    background: transparent;
    color: var(--text-soft);
    font-size: var(--fs-16);
    text-align: start;
  }

  .action-row svg {
    color: var(--muted-strong);
  }

  .action-row b {
    color: var(--muted-strong);
    font-family: var(--font-latin);
    font-size: var(--fs-14);
  }

  /* The segment area on the episode page. */
  .segment-zone {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  /* --------------------------- choice dialog ---------------------------- */
  .choice-dialog {
    width: min(calc(100% - 2rem), 24rem);
    border: 0;
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    color: var(--text);
    padding: var(--space-6);
  }

  .choice-dialog::backdrop {
    background: #05070bb8;
  }

  .choice-dialog h2 {
    font-size: var(--fs-20);
  }

  .choice-dialog p {
    margin-block-start: var(--space-2);
    color: var(--muted-strong);
    line-height: 1.7;
  }

  .choice-dialog__actions {
    display: grid;
    gap: var(--space-2);
    margin-block-start: var(--space-6);
  }

  .choice-dialog .secondary-button {
    background: var(--bg);
  }
}

@layer responsive {
  /*
   * Over the open player a toast goes to the top, clear of the review form's
   * buttons. It lives in this layer to outrank the toast's own placement rules.
   */
  body.player-open .toast {
    inset-inline: var(--space-4);
    inset-block: max(var(--space-4), env(safe-area-inset-top)) auto;
  }

  @media (min-width: 40rem) {
    .player-bar {
      grid-template-columns: auto minmax(0, 1fr) auto;
    }

    .player-cover-button,
    .player-skip {
      display: grid;
    }

    .player-speed {
      display: inline-flex;
    }

    .player-controls {
      gap: var(--space-4);
    }
  }

  /* Desktop: the stage sits beside its contents instead of above them. */
  @media (min-width: 64rem) {
    .now-playing__grid {
      width: min(100%, 68rem);
      grid-template-columns: minmax(0, 26rem) minmax(0, 1fr);
      align-items: start;
      gap: var(--space-16);
      padding-block-start: var(--space-8);
    }

    .now-playing__stage {
      position: sticky;
      inset-block-start: var(--space-4);
    }
  }

  @media (min-width: 68rem) {
    .player-bar {
      inset-inline-start: var(--sidebar-width);
      inset-block-end: 0;
    }
  }

  @media (hover: hover) and (pointer: fine) {
    .seekbar__band:hover::after {
      inset-block-start: 0.15rem;
      height: 0.7rem;
    }

    .capture-button:not(.is-live):hover {
      border-color: var(--text-soft);
      background: var(--surface);
    }

    .vote-button:not([aria-pressed='true']):hover,
    .transport__skip:hover,
    .transport__speed:hover {
      background: var(--surface);
      color: var(--text);
    }

    .action-row:hover {
      color: var(--text);
    }
  }
}

@layer motion {
  @keyframes player-in {
    from {
      transform: translateY(100%);
    }
  }

  @keyframes sheet-in {
    from {
      opacity: 0;
      transform: translateY(2rem);
    }
  }
}