@layer components {
  /* Plan Layout
  /* ------------------------------------------------------------------------ */

  #main:has(.plan-layout) {
    --main-padding: 0;
  }

  .plan-layout {
    min-block-size: calc(100dvh - var(--header-height) - var(--bar-height));
  }

  .plan-header {
    border-block-end: 1px solid var(--color-selected);
    padding: var(--space-lg) var(--space-lg);
  }

  .plan-header__eyebrow {
    color: var(--color-ink-light);
    font-size: var(--text-x-small);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .plan-header__title {
    font-size: var(--text-large);
    font-weight: 700;
    margin-block-start: 0.25rem;
  }

  .plan-header__copy {
    color: var(--color-ink-light);
    font-size: var(--text-small);
    margin-block-start: 0.25rem;
  }

  /* Plan Columns (Collapsible)
  /* ------------------------------------------------------------------------ */

  .plan-columns {
    --column-gap: 8px;
    --column-padding-expanded: calc(var(--column-gap) * 2);
    --column-transition-duration: 300ms;
    --column-width-collapsed: 40px;
    --column-width-expanded: 320px;
    --progress-increment: var(--progress-max-height) / var(--progress-max-cards);
    --progress-max-cards: 20;
    --progress-max-height: 50dvh;

    display: flex;
    gap: var(--column-gap);
    justify-content: center;
    margin-inline: auto;
    min-block-size: calc(100dvh - var(--header-height) - var(--bar-height) - 8rem);
    overflow-x: auto;
    overflow-y: hidden;
    padding: var(--column-gap);
    padding-block-end: var(--column-width-collapsed);
  }

  /* Column (Cards Section)
  /* ------------------------------------------------------------------------ */

  .cards {
    --column-color: color-mix(in srgb, var(--card-color, var(--color-accent)) 15%, var(--color-canvas));
    --card-color: var(--color-accent);

    flex-shrink: 0;
    inline-size: var(--column-width-expanded);
    outline: none;
    position: relative;
    scroll-snap-align: start;
    transition: inline-size var(--column-transition-duration) ease-out;

    &.is-collapsed {
      inline-size: var(--column-width-collapsed);

      .plan-card,
      .cards__footer {
        display: none;
      }
    }
  }

  .cards__transition-container {
    block-size: 100%;
    border-radius: calc(var(--column-width-collapsed) / 2);
    translate: 0;
    transition: translate var(--column-transition-duration) var(--ease-out-overshoot-subtle, ease-out);

    .is-collapsed & {
      translate: 0 var(--column-width-collapsed);
    }

    .cards:not(.is-collapsed) & {
      padding-inline: var(--column-padding-expanded);
    }

    .no-transitions & {
      transition: none;
    }
  }

  /* Column Header
  /* ------------------------------------------------------------------------ */

  .cards__header {
    .cards.is-collapsed & {
      block-size: 100%;
    }

    .cards:not(.is-collapsed) & {
      margin-block-end: 0.5rem;
    }
  }

  .cards__expander {
    --gradient-direction: to bottom;

    align-items: center;
    background: transparent;
    border: none;
    border-radius: 99rem;
    cursor: pointer;
    display: flex;
    flex-direction: row-reverse;
    font-size: var(--text-x-small);
    font-weight: 600;
    gap: 0.5ch;
    outline-offset: -2px;
    position: relative;
    text-transform: uppercase;

    @media (any-hover: hover) {
      &:hover {
        filter: brightness(0.9);
      }
    }

    /* Progress bar */
    &:after {
      background: linear-gradient(var(--gradient-direction), var(--card-color), var(--column-color) 80%);
      block-size: var(--column-width-collapsed);
      border-radius: 99rem;
      content: "";
      inset: 0 0 auto;
      margin-inline: auto;
      max-block-size: var(--progress-max-height);
      min-block-size: var(--column-width-collapsed);
      opacity: 0;
      position: absolute;
      transition:
        block-size 500ms var(--ease-out-overshoot, ease-out),
        inline-size var(--column-transition-duration) ease-out,
        opacity var(--column-transition-duration) ease-out;
      z-index: -1;
    }

    .no-transitions &:after {
      transition: none;
    }

    .cards.is-collapsed & {
      block-size: 100%;
      flex-direction: column;
      inline-size: var(--column-width-collapsed);
      justify-content: start;
      letter-spacing: 0.05em;

      /* Vertical line (guitar string) */
      &:before {
        background-color: var(--column-color);
        block-size: 100%;
        content: "";
        inline-size: 1px;
        inset: 0 auto;
        position: absolute;
        z-index: -2;
      }

      &:after {
        display: none;
      }
    }

    .cards:not(.is-collapsed) & {
      background-color: var(--column-color);
      inline-size: 100%;
      justify-content: center;
      padding-block: 0.5rem;
    }
  }

  .cards__expander-count {
    inline-size: var(--column-width-collapsed);
    line-height: var(--column-width-collapsed);
    text-align: center;

    .cards:not(.is-collapsed) & {
      display: none;
    }
  }

  .cards__expander-icons {
    align-items: center;
    display: flex;
    gap: 6px;

    .cards:not(.is-collapsed) & {
      display: none;
    }

    .cards.is-collapsed & {
      background: linear-gradient(var(--gradient-direction, to bottom), var(--card-color), var(--column-color) 80%);
      border-radius: 99rem;
      flex-direction: column;
      min-block-size: var(--column-width-collapsed);
      min-inline-size: var(--column-width-collapsed);
      padding: 12px;
    }
  }

  .cards__expander-icon {
    --icon-size: 16px;

    color: var(--color-ink);
  }

  .cards__expander-title {
    font-size: inherit;
    font-weight: inherit;
    line-height: var(--column-width-collapsed);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

    .cards.is-collapsed & {
      max-inline-size: 50vh;
      writing-mode: vertical-rl;
    }

    .cards:not(.is-collapsed) & {
      line-height: 1.4;
    }
  }

  .cards__expander-distance {
    color: var(--color-ink-light);
    font-weight: 400;

    .cards.is-collapsed & {
      display: none;
    }
  }

  /* Column Body (Cards List)
  /* ------------------------------------------------------------------------ */

  .cards__body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-block-size: calc(100dvh - var(--header-height) - var(--bar-height) - 16rem);
    overflow-y: auto;
    padding-block: 0.5rem;
  }

  /* Column Footer (Add Card)
  /* ------------------------------------------------------------------------ */

  .cards__footer {
    border-block-start: 1px solid var(--color-selected);
    margin-block-start: auto;
    padding-block-start: 0.5rem;
  }

  .cards__add-btn {
    --btn-background: color-mix(in srgb, var(--color-accent) 15%, transparent);

    color: var(--color-accent);
    inline-size: 100%;
    justify-content: center;
  }

  .cards__form {
    padding-block: 0.5rem;
  }

  .cards__form.hidden {
    display: none;
  }

  /* Plan Card
  /* ------------------------------------------------------------------------ */

  .plan-card {
    background: var(--color-canvas);
    border: 1px solid var(--color-selected);
    border-radius: calc(var(--radius) * 0.5);
    padding: 0.5rem 0.75rem;
  }

  .plan-card--completed {
    opacity: 0.6;
  }

  .plan-card--completed .plan-card__title {
    text-decoration: line-through;
  }

  .plan-card__header {
    align-items: flex-start;
    display: flex;
    gap: 0.5rem;
  }

  .plan-card__checkbox {
    --btn-background: transparent;
    --btn-padding: 0;

    border: none;
    color: var(--color-ink-light);
    cursor: pointer;
    flex-shrink: 0;
    margin-block-start: 0.1rem;
  }

  .plan-card__checkbox:hover {
    color: var(--color-accent);
  }

  .plan-card--completed .plan-card__checkbox {
    color: var(--color-accent);
  }

  .plan-card__type-icon {
    color: var(--color-ink-light);
    flex-shrink: 0;
    margin-block-start: 0.1rem;
  }

  .plan-card--drop_bag .plan-card__type-icon {
    color: var(--color-card-4);
  }

  .plan-card--note .plan-card__type-icon {
    color: var(--color-card-2);
  }

  .plan-card__title {
    flex-grow: 1;
    font-size: var(--text-small);
    line-height: 1.4;
    word-break: break-word;
  }

  .plan-card__actions {
    display: flex;
    flex-shrink: 0;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 150ms;
  }

  .plan-card:hover .plan-card__actions {
    opacity: 1;
  }

  .plan-card__actions .btn {
    --btn-background: transparent;
    --btn-padding: 0.25rem;

    color: var(--color-ink-light);
  }

  .plan-card__actions .btn:hover {
    color: var(--color-danger);
  }

  .plan-card__notes {
    color: var(--color-ink-light);
    font-size: var(--text-x-small);
    margin-block-start: 0.5rem;
    padding-inline-start: 1.5rem;
  }

  .plan-card__notes p {
    margin: 0;
  }

  /* Plan Card - Info (Aid Station)
  /* ------------------------------------------------------------------------ */

  .plan-card--info {
    background: color-mix(in srgb, var(--color-accent) 10%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-accent) 30%, var(--color-canvas));
  }

  .plan-card__info-header {
    align-items: center;
    color: var(--color-accent);
    display: flex;
    font-size: var(--text-x-small);
    font-weight: 600;
    gap: 0.5rem;
    text-transform: uppercase;
  }

  .plan-card__info-title {
    letter-spacing: 0.05em;
  }

  .plan-card__info-stats {
    display: flex;
    gap: 1.5rem;
    margin-block-start: 0.75rem;
  }

  .plan-card__info-stats--secondary {
    border-block-start: 1px solid color-mix(in srgb, var(--color-card-1) 20%, var(--color-canvas));
    margin-block-start: 0.5rem;
    padding-block-start: 0.5rem;
  }

  .plan-card__info-stats--tertiary {
    border-block-start: 1px solid color-mix(in srgb, var(--color-card-1) 20%, var(--color-canvas));
    margin-block-start: 0.5rem;
    padding-block-start: 0.5rem;
  }

  .plan-card__info-stat--wide {
    flex: 1;
  }

  .plan-card__info-stat {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
  }

  .plan-card__info-label {
    color: var(--color-ink-light);
    font-size: var(--text-x-small);
  }

  .plan-card__info-value {
    font-size: var(--text-medium);
    font-weight: 600;
  }

  .plan-card__info-services {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-block-start: 0.75rem;
  }

  .plan-card__info-services .service-icon {
    padding: 0;
  }

  .plan-card__info-crew {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-block-start: 0.75rem;
  }

  .plan-card__info-crew form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .plan-card__info-notes {
    border-block-start: 1px solid var(--color-selected);
    color: var(--color-ink-light);
    font-size: var(--text-small);
    margin-block-start: 0.75rem;
    padding-block-start: 0.75rem;
  }

  .plan-card__info-notes p {
    margin: 0;
  }

  .plan-card__info-target {
    border-block-start: 1px solid var(--color-selected);
    color: var(--color-ink-light);
    font-size: var(--text-small);
    margin-block-start: 0.75rem;
    padding-block-start: 0.75rem;
  }

  /* Plan Card - Info (Nutrition) - Green variant
  /* ------------------------------------------------------------------------ */

  .plan-card--info-nutrition {
    background: color-mix(in srgb, var(--color-positive) 10%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-positive) 30%, var(--color-canvas));
  }

  .plan-card--info-nutrition .plan-card__info-header {
    color: var(--color-positive);
  }

  /* Plan Card - Info (Estimated Time) - Blue variant
  /* ------------------------------------------------------------------------ */

  .plan-card--info-time {
    background: color-mix(in srgb, var(--color-card-1) 10%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-card-1) 30%, var(--color-canvas));
  }

  .plan-card--info-time .plan-card__info-header {
    color: var(--color-card-1);
  }

  .plan-card__info-value--exceeded {
    color: var(--color-negative);
  }

  .estimated-time-form {
    display: contents;
  }

  .estimated-time-form .plan-card__info-stats {
    flex-wrap: wrap;
  }

  .estimated-time-form .plan-card__info-stat {
    min-inline-size: 80px;
  }

  .estimated-time-form .input--small {
    border: 1px solid var(--color-selected);
    border-radius: calc(var(--radius) * 0.5);
    font-size: var(--text-medium);
    font-weight: 600;
    inline-size: 80px;
    padding: 0.25rem 0.5rem;
  }

  .estimated-time-form__actions {
    margin-block-start: 0.75rem;
  }

  /* Plan Card - Info (List) - Green variant for give_me, Orange for take_back
  /* ------------------------------------------------------------------------ */

  .plan-card--info-list {
    background: color-mix(in srgb, var(--color-card-3) 10%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-card-3) 30%, var(--color-canvas));
  }

  .plan-card--info-list .plan-card__info-header {
    color: var(--color-card-3);
  }

  .plan-card--take_back_list {
    background: color-mix(in srgb, var(--color-card-4) 10%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-card-4) 30%, var(--color-canvas));
  }

  .plan-card--take_back_list .plan-card__info-header {
    color: var(--color-card-4);
  }

  .plan-card__list {
    list-style: none;
    margin: 0.75rem 0 0;
    padding: 0;
  }

  .plan-card__list-item {
    border-block-end: 1px solid var(--color-selected);
    font-size: var(--text-small);
    padding: 0.5rem 0;
  }

  .plan-card__list-item:last-child {
    border-block-end: none;
  }

  .plan-card__empty {
    color: var(--color-ink-light);
    font-size: var(--text-small);
    font-style: italic;
    margin: 0.75rem 0 0;
  }

  .plan-card__list-edit {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-block-start: 0.75rem;
  }

  .plan-card__list-edit-item {
    display: flex;
    gap: 0.5rem;
  }

  .plan-card__list-edit-item .input {
    flex: 1;
  }

  .list-card-form {
    display: contents;
  }

  .list-card-form__actions {
    margin-block-start: 0.75rem;
  }

  /* Plan Card - Info (Mandatory Equipment) - Purple variant
  /* ------------------------------------------------------------------------ */

  .plan-card--info-equipment {
    background: color-mix(in srgb, var(--color-card-5) 10%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-card-5) 30%, var(--color-canvas));
  }

  .plan-card--info-equipment .plan-card__info-header {
    color: var(--color-card-5);
  }

  .plan-card__equipment-list {
    list-style: none;
    margin: 0.75rem 0 0;
    padding: 0;
  }

  .plan-card__equipment-item {
    align-items: center;
    border-block-end: 1px solid var(--color-selected);
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 0;
  }

  .plan-card__equipment-item:last-child {
    border-block-end: none;
  }

  .plan-card__equipment-item--completed {
    opacity: 0.6;
  }

  .plan-card__equipment-item--completed .plan-card__equipment-name {
    text-decoration: line-through;
  }

  .plan-card__equipment-item form {
    display: contents;
  }

  .plan-card__equipment-checkbox.plan-card__equipment-checkbox {
    --btn-background: transparent;
    --btn-border-color: transparent;
    --btn-border-size: 0;
    --btn-padding: 0;

    background: transparent;
    border: none;
    box-shadow: none;
    color: var(--color-ink-light);
    cursor: pointer;
    flex-shrink: 0;
    margin: 0;
    min-block-size: 0;
    min-inline-size: 0;
    outline: none;
    padding: 0;
  }

  .plan-card__equipment-checkbox:hover {
    background: transparent;
    color: var(--color-card-5);
  }

  .plan-card__equipment-item--completed .plan-card__equipment-checkbox {
    color: var(--color-card-5);
  }

  .plan-card__equipment-name {
    font-size: var(--text-small);
    line-height: 1.4;
  }

  /* Plan Card Form
  /* ------------------------------------------------------------------------ */

  .plan-card-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .plan-card-form__type {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
  }

  .plan-card-form__type-option {
    align-items: center;
    background: color-mix(in srgb, var(--color-ink) 5%, transparent);
    border: 1px solid var(--color-selected);
    border-radius: calc(var(--radius) * 0.5);
    cursor: pointer;
    display: flex;
    font-size: var(--text-small);
    gap: 0.5rem;
    justify-content: flex-start;
    padding: 0.625rem 0.75rem;
    transition: background-color 150ms, border-color 150ms;
  }

  .plan-card-form__type-option:hover {
    background: color-mix(in srgb, var(--color-ink) 10%, transparent);
    border-color: var(--color-ink-light);
  }

  .plan-card-form__type-option:has(input:checked) {
    background: color-mix(in srgb, var(--color-accent) 20%, transparent);
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  .plan-card-form__type-option input {
    display: none;
  }

  .plan-card-form__actions {
    display: flex;
    gap: 0.5rem;
    margin-block-start: 0.25rem;
  }

  .plan-card-form__time-inputs {
    display: flex;
    gap: 1rem;
  }

  .plan-card-form__time-inputs.hidden,
  .plan-card-form .input.hidden,
  .plan-card-form__list-inputs.hidden {
    display: none;
  }

  .plan-card-form__list-inputs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .plan-card-form__list-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .plan-card-form__time-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .plan-card-form__time-label {
    color: var(--color-ink-light);
    font-size: var(--text-x-small);
  }

  .plan-card-form__time-field .input {
    inline-size: 80px;
  }

  /* Desktop columns - hide on mobile
  /* ------------------------------------------------------------------------ */

  .desktop-plan-columns {
    @media (max-width: 519px) {
      display: none;
    }
  }

  /* Mobile columns layout
  /* ------------------------------------------------------------------------ */

  .mobile-plan-columns {
    --progress-max-width: 100%;

    padding-inline: 3vw;
    padding-block: var(--column-gap);

    @media (min-width: 520px) {
      display: none;
    }

    .cards.is-collapsed {
      inline-size: auto;
      display: block;
      padding-block: 0.5ch;

      .cards__expander {
        --gradient-direction: to right;

        flex-direction: row;
        inline-size: auto;

        &:before {
          block-size: 1px;
          inline-size: 100%;
          inset: 50% 0 auto;
          translate: 0 -50%;
        }

        &:after {
          display: none;
        }
      }

      .cards__expander-title {
        writing-mode: revert;
      }

      .cards__expander-icons {
        flex-direction: row;
        margin-inline-start: 0.5ch;
        min-block-size: auto;
        padding: 8px 12px;
      }
    }
  }

  /* Plan Card - Info (Drop Bag / Start Bag) - Orange variant
  /* ------------------------------------------------------------------------ */

  .plan-card--drop_bag {
    background: color-mix(in srgb, var(--color-card-4) 10%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-card-4) 30%, var(--color-canvas));
  }

  .plan-card--drop_bag .plan-card__info-header {
    color: var(--color-card-4);
  }

  /* Bag Items
  /* ------------------------------------------------------------------------ */

  .bag-items {
    margin-block-start: 0.75rem;
  }

  .bag-items__list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .bag-items__item {
    align-items: center;
    border-block-end: 1px solid var(--color-selected);
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 0;
  }

  .bag-items__item:last-child {
    border-block-end: none;
  }

  .bag-items__item--packed {
    opacity: 0.6;
  }

  .bag-items__item--packed .bag-items__name {
    text-decoration: line-through;
  }

  .bag-items__checkbox {
    --btn-background: transparent;
    --btn-border-color: transparent;
    --btn-border-size: 0;
    --btn-padding: 0;

    background: transparent;
    border: none;
    box-shadow: none;
    color: var(--color-ink-light);
    cursor: pointer;
    flex-shrink: 0;
    margin: 0;
    min-block-size: 0;
    min-inline-size: 0;
    outline: none;
    padding: 0;
  }

  .bag-items__checkbox:hover {
    background: transparent;
    color: var(--color-card-4);
  }

  .bag-items__item--packed .bag-items__checkbox {
    color: var(--color-card-4);
  }

  .bag-items__details {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 2px;
  }

  .bag-items__name {
    font-size: var(--text-small);
    line-height: 1.4;
  }

  .bag-items__nutrition {
    color: var(--color-ink-light);
    font-size: var(--text-x-small);
  }

  .bag-items__totals {
    border-block-start: 1px solid var(--color-selected);
    color: var(--color-ink-light);
    display: flex;
    font-size: var(--text-x-small);
    gap: 1rem;
    margin-block-start: 0.5rem;
    padding-block-start: 0.5rem;
  }

  .bag-items__empty {
    color: var(--color-ink-light);
    font-size: var(--text-small);
    font-style: italic;
    margin: 0;
  }

  .bag-items__form {
    margin-block-start: 0.75rem;
  }

  .bag-items__form-row {
    align-items: center;
    display: flex;
    gap: 0.5rem;
  }

  .bag-items__form-input {
    flex: 1;
  }

  .bag-items__form-input .hidden {
    display: none;
  }

  .bag-items__form-qty {
    inline-size: 60px;
  }

  .bag-items__form-toggle {
    margin-block-start: 0.5rem;
  }

  /* Full-page column view
  /* ------------------------------------------------------------------------ */

  .cards--full-page {
    padding: var(--space-lg);

    .cards__header {
      margin-block-end: 0.5rem;
    }

    .cards__expander {
      background-color: var(--column-color);
      border-radius: 99rem;
      inline-size: 100%;
      justify-content: center;
      padding-block: 0.5rem;
    }

    .cards__body {
      max-block-size: none;
    }

    .cards__footer {
      margin-block-start: 1rem;
    }
  }
}