A-One Design System

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<div class="tw:p-6 tw:max-w-7xl tw:mx-auto tw:space-y-8">
  <div class="callout">
    <p class="tw:mb-1 tw:text-sm tw:font-mono">
      <strong>SLOT PICKER:</strong> Single-select radiogroup of booking time-slot chips, grouped by day column<br>
      <strong>COMPOSES:</strong> .empty-state (no slots available) · slot_picker_controller.js
    </p>
    <p class="tw:mb-0 tw:text-sm">
      Used for open-day / interview slot booking (Events vertical). Click a slot to book it —
      only one slot can be selected across the whole picker. Arrow keys move focus between
      available slots without selecting (Enter/Space or click selects); taken slots are real
      <code>disabled</code> buttons, skipped automatically by both Tab and the arrow keys.
    </p>
  </div>
  <div class="tw:border-t tw:pt-6">
    <h2 class="h4 tw:mb-4">Open day — some taken</h2>
    <div class="callout tw:mb-4">
      <p class="tw:mb-0 tw:text-sm">
        <strong>St Mary's Academy — Open Day.</strong> Three Saturday mornings, six 30-minute
        slots each. Taken slots are dimmed, unclickable, and carry a visible "Taken" label
        (never color alone) plus an <code>aria-label</code> that says so explicitly.
      </p>
      <p class="tw:mb-0 tw:text-sm">
        <strong>Label in Name (WCAG 2.5.3):</strong> each chip's <code>aria-label</code> opens with
        the chip's own visible text, then adds the day —
        <code>aria-label="09:00, Saturday 12 September"</code>, not
        <code>"9:00 AM, Saturday 12 September"</code>. The date context is what makes a bare
        "09:00" unambiguous across three day columns, but it has to come <em>after</em> the visible
        string or a voice-control user saying "click 09:00" activates nothing. Taken chips render
        two lines, so their name leads with both —
        <code>aria-label="09:30 Taken, Saturday 12 September"</code>.
      </p>
    </div>
    <div data-controller="slot-picker" id="slot-picker-open-day">
      <div class="slot-picker">
        <div class="slot-picker-grid" role="radiogroup" aria-label="Choose an Open Day visit time">
          <div>
            <div class="slot-picker-day">Sat 12 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="0"
                      aria-label="09:00, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="09:30 Taken, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">09:30</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:00, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="10:30 Taken, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">10:30</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:00, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:30, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:30</button>
            </div>
          </div>
          <div>
            <div class="slot-picker-day">Sat 19 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="09:00 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">09:00</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:00, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="11:00 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">11:00</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="11:30 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">11:30</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
            </div>
          </div>
          <div>
            <div class="slot-picker-day">Sat 26 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:00, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:30, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:00, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:30, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:00, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:30, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:30</button>
            </div>
          </div>
        </div>
        <div class="slot-picker-legend">
          <span class="tw:inline-flex tw:items-center tw:gap-1.5">
            <span class="tw:w-3 tw:h-3 tw:rounded-sm tw:border tw:border-line-accent tw:bg-white" aria-hidden="true"></span>
            Available
          </span>
          <span class="tw:inline-flex tw:items-center tw:gap-1.5">
            <span class="tw:w-3 tw:h-3 tw:rounded-sm tw:bg-primary" aria-hidden="true"></span>
            Selected
          </span>
          <span class="tw:inline-flex tw:items-center tw:gap-1.5">
            <span class="tw:w-3 tw:h-3 tw:rounded-sm tw:bg-line-muted tw:border tw:border-line-card" aria-hidden="true"></span>
            Taken
          </span>
        </div>
        <input type="hidden" name="visit_slot" data-slot-picker-target="value">
      </div>
      <p class="form-text tw:mt-2">We'll email your confirmation as soon as you pick a time.</p>
    </div>
    <div class="tw:mt-4 tw:text-sm tw:text-gray-600">
      <code><div data-controller="slot-picker"><div class="slot-picker"><div class="slot-picker-grid" role="radiogroup">…<button class="slot-picker-slot" role="radio" aria-checked="false">09:00</button>…</div><input type="hidden" data-slot-picker-target="value"></div></div></code>
    </div>
  </div>
  <div class="tw:border-t tw:pt-6">
    <h2 class="h4 tw:mb-4">Preselected</h2>
    <div class="callout tw:mb-4">
      <p class="tw:mb-0 tw:text-sm">
        <strong>Editing an existing booking:</strong> the server renders the previously-booked
        slot with <code>class="selected"</code>, <code>aria-checked="true"</code>, and
        <code>tabindex="0"</code>. The controller reads this on connect, sets the hidden value,
        and leaves the roving tab stop on the already-selected slot.
      </p>
    </div>
    <div data-controller="slot-picker" id="slot-picker-preselected">
      <div class="slot-picker">
        <div class="slot-picker-grid" role="radiogroup" aria-label="Choose an interview time">
          <div>
            <div class="slot-picker-day">Sat 19 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:00, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:30</button>
              <button type="button" class="slot-picker-slot selected" role="radio" aria-checked="true" tabindex="0"
                      aria-label="10:00, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="11:00 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">11:00</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:30</button>
            </div>
          </div>
        </div>
        <input type="hidden" name="interview_slot" value="2026-09-19T10:00" data-slot-picker-target="value">
      </div>
    </div>
  </div>
  <div class="tw:border-t tw:pt-6">
    <h2 class="h4 tw:mb-4">None available</h2>
    <div class="callout tw:mb-4">
      <p class="tw:mb-0 tw:text-sm">
        <strong>Fully booked date:</strong> when a day has zero available slots, the grid is
        replaced with <code>.empty-state</code> — no interactive picker is rendered at all,
        so there is nothing to focus that can't be used.
      </p>
    </div>
    <div class="slot-picker">
      <div class="slot-picker-day">Sat 03 Oct</div>
      <div class="card">
        <div class="empty-state">
          <i class="fa-regular fa-calendar-xmark empty-state-icon" aria-hidden="true"></i>
          <h3 class="empty-state-title">No slots left for this date</h3>
          <p class="empty-state-text">
            All Open Day visit slots for Saturday 3 October are booked. Try another date, or
            join the waiting list and we'll email you if a slot frees up.
          </p>
          <div class="empty-state-actions">
            <button class="btn btn-primary" type="button">Choose another date</button>
            <button class="btn btn-outline-secondary" type="button">Join waiting list</button>
          </div>
        </div>
      </div>
    </div>
    <div class="tw:mt-4 tw:text-sm tw:text-gray-600">
      <code><div class="slot-picker"><div class="card"><div class="empty-state">…</div></div></div></code>
    </div>
  </div>
</div>
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<div class="tw:p-6 tw:max-w-7xl tw:mx-auto tw:space-y-8">
  <%# Introductory callout %>
  <div class="callout">
    <p class="tw:mb-1 tw:text-sm tw:font-mono">
      <strong>SLOT PICKER:</strong> Single-select radiogroup of booking time-slot chips, grouped by day column<br>
      <strong>COMPOSES:</strong> .empty-state (no slots available) · slot_picker_controller.js
    </p>
    <p class="tw:mb-0 tw:text-sm">
      Used for open-day / interview slot booking (Events vertical). Click a slot to book it —
      only one slot can be selected across the whole picker. Arrow keys move focus between
      available slots without selecting (Enter/Space or click selects); taken slots are real
      <code>disabled</code> buttons, skipped automatically by both Tab and the arrow keys.
    </p>
  </div>
  <%# Open day — some taken %>
  <div class="tw:border-t tw:pt-6">
    <h2 class="h4 tw:mb-4">Open day — some taken</h2>
    <div class="callout tw:mb-4">
      <p class="tw:mb-0 tw:text-sm">
        <strong>St Mary's Academy — Open Day.</strong> Three Saturday mornings, six 30-minute
        slots each. Taken slots are dimmed, unclickable, and carry a visible "Taken" label
        (never color alone) plus an <code>aria-label</code> that says so explicitly.
      </p>
      <p class="tw:mb-0 tw:text-sm">
        <strong>Label in Name (WCAG 2.5.3):</strong> each chip's <code>aria-label</code> opens with
        the chip's own visible text, then adds the day —
        <code>aria-label="09:00, Saturday 12 September"</code>, not
        <code>"9:00 AM, Saturday 12 September"</code>. The date context is what makes a bare
        "09:00" unambiguous across three day columns, but it has to come <em>after</em> the visible
        string or a voice-control user saying "click 09:00" activates nothing. Taken chips render
        two lines, so their name leads with both —
        <code>aria-label="09:30 Taken, Saturday 12 September"</code>.
      </p>
    </div>
    <div data-controller="slot-picker" id="slot-picker-open-day">
      <div class="slot-picker">
        <div class="slot-picker-grid" role="radiogroup" aria-label="Choose an Open Day visit time">
          <div>
            <div class="slot-picker-day">Sat 12 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="0"
                      aria-label="09:00, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="09:30 Taken, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">09:30</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:00, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="10:30 Taken, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">10:30</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:00, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:30, Saturday 12 September"
                      data-slot-picker-target="slot" data-value="2026-09-12T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:30</button>
            </div>
          </div>
          <div>
            <div class="slot-picker-day">Sat 19 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="09:00 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">09:00</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:00, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="11:00 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">11:00</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="11:30 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">11:30</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
            </div>
          </div>
          <div>
            <div class="slot-picker-day">Sat 26 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:00, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:30, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:00, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:30, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:00, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:30, Saturday 26 September"
                      data-slot-picker-target="slot" data-value="2026-09-26T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:30</button>
            </div>
          </div>
        </div>
        <div class="slot-picker-legend">
          <span class="tw:inline-flex tw:items-center tw:gap-1.5">
            <span class="tw:w-3 tw:h-3 tw:rounded-sm tw:border tw:border-line-accent tw:bg-white" aria-hidden="true"></span>
            Available
          </span>
          <span class="tw:inline-flex tw:items-center tw:gap-1.5">
            <span class="tw:w-3 tw:h-3 tw:rounded-sm tw:bg-primary" aria-hidden="true"></span>
            Selected
          </span>
          <span class="tw:inline-flex tw:items-center tw:gap-1.5">
            <span class="tw:w-3 tw:h-3 tw:rounded-sm tw:bg-line-muted tw:border tw:border-line-card" aria-hidden="true"></span>
            Taken
          </span>
        </div>
        <input type="hidden" name="visit_slot" data-slot-picker-target="value">
      </div>
      <p class="form-text tw:mt-2">We'll email your confirmation as soon as you pick a time.</p>
    </div>
    <div class="tw:mt-4 tw:text-sm tw:text-gray-600">
      <code><div data-controller="slot-picker"><div class="slot-picker"><div class="slot-picker-grid" role="radiogroup">…<button class="slot-picker-slot" role="radio" aria-checked="false">09:00</button>…</div><input type="hidden" data-slot-picker-target="value"></div></div></code>
    </div>
  </div>
  <%# Preselected %>
  <div class="tw:border-t tw:pt-6">
    <h2 class="h4 tw:mb-4">Preselected</h2>
    <div class="callout tw:mb-4">
      <p class="tw:mb-0 tw:text-sm">
        <strong>Editing an existing booking:</strong> the server renders the previously-booked
        slot with <code>class="selected"</code>, <code>aria-checked="true"</code>, and
        <code>tabindex="0"</code>. The controller reads this on connect, sets the hidden value,
        and leaves the roving tab stop on the already-selected slot.
      </p>
    </div>
    <div data-controller="slot-picker" id="slot-picker-preselected">
      <div class="slot-picker">
        <div class="slot-picker-grid" role="radiogroup" aria-label="Choose an interview time">
          <div>
            <div class="slot-picker-day">Sat 19 Sep</div>
            <div class="tw:flex tw:flex-wrap tw:gap-2">
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:00, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="09:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T09:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">09:30</button>
              <button type="button" class="slot-picker-slot selected" role="radio" aria-checked="true" tabindex="0"
                      aria-label="10:00, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:00</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="10:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T10:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">10:30</button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1" disabled
                      aria-label="11:00 Taken, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:00"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">
                <span class="tw:block">11:00</span>
                <span class="tw:block tw:font-normal">Taken</span>
              </button>
              <button type="button" class="slot-picker-slot" role="radio" aria-checked="false" tabindex="-1"
                      aria-label="11:30, Saturday 19 September"
                      data-slot-picker-target="slot" data-value="2026-09-19T11:30"
                      data-action="click->slot-picker#select keydown->slot-picker#keydown">11:30</button>
            </div>
          </div>
        </div>
        <input type="hidden" name="interview_slot" value="2026-09-19T10:00" data-slot-picker-target="value">
      </div>
    </div>
  </div>
  <%# None available %>
  <div class="tw:border-t tw:pt-6">
    <h2 class="h4 tw:mb-4">None available</h2>
    <div class="callout tw:mb-4">
      <p class="tw:mb-0 tw:text-sm">
        <strong>Fully booked date:</strong> when a day has zero available slots, the grid is
        replaced with <code>.empty-state</code> — no interactive picker is rendered at all,
        so there is nothing to focus that can't be used.
      </p>
    </div>
    <div class="slot-picker">
      <div class="slot-picker-day">Sat 03 Oct</div>
      <div class="card">
        <div class="empty-state">
          <i class="fa-regular fa-calendar-xmark empty-state-icon" aria-hidden="true"></i>
          <h3 class="empty-state-title">No slots left for this date</h3>
          <p class="empty-state-text">
            All Open Day visit slots for Saturday 3 October are booked. Try another date, or
            join the waiting list and we'll email you if a slot frees up.
          </p>
          <div class="empty-state-actions">
            <button class="btn btn-primary" type="button">Choose another date</button>
            <button class="btn btn-outline-secondary" type="button">Join waiting list</button>
          </div>
        </div>
      </div>
    </div>
    <div class="tw:mt-4 tw:text-sm tw:text-gray-600">
      <code><div class="slot-picker"><div class="card"><div class="empty-state">…</div></div></div></code>
    </div>
  </div>
</div>

No notes provided.

No params configured.