:root {
    --pdk-ink: #1C1A17;
    --pdk-accent: #9C7A45;
    --pdk-accent-strong: #7C5E32;
    --pdk-accent-soft: #F1ECE2;
    --pdk-accent-line: #E2DCCE;
    --pdk-surface-warm: #FAF8F4;
  }
  body.pdk-calendar-open { overflow: hidden; }
  .pdk-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(18, 16, 14, .72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2147483646;
    display: block;
    padding: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s cubic-bezier(.4, 0, .2, 1);
  }
  .pdk-backdrop[hidden], .pdk-time-wheel[hidden] { display: none !important; }
  .pdk-backdrop.pdk-open {
    opacity: 1;
    pointer-events: auto;
  }
  .pdk-card {
    position: fixed;
    left: 50%;
    top: 50%;
    --pdk-anchor-x: 50%;
    background: #FFFFFF;
    width: 100%;
    max-width: 350px;
    max-height: calc(100dvh - 28px);
    max-height: calc(100vh - 28px);
    margin: 0;
    border: 0;
    border-radius: 28px;
    box-shadow: 0 26px 72px -20px rgba(18, 16, 14, .56);
    overflow: hidden;
    transform: translateY(10px) scale(0.94);
    transition: transform .28s cubic-bezier(.16, 1, .3, 1), opacity .2s ease;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', sans-serif;
    pointer-events: none;
    transform-origin: center;
  }
  .pdk-card::before {
    display: none;
  }
  .pdk-card.pdk-shift-forward { animation: pdkShiftForward .34s cubic-bezier(.16, 1, .3, 1); }
  .pdk-card.pdk-shift-backward { animation: pdkShiftBackward .34s cubic-bezier(.16, 1, .3, 1); }
  .pdk-backdrop.pdk-open .pdk-card {
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }
  @keyframes pdkShiftForward {
    0% { opacity: .45; transform: translateX(30px) scale(.975); }
    100% { opacity: 1; transform: none; }
  }
  @keyframes pdkShiftBackward {
    0% { opacity: .45; transform: translateX(-30px) scale(.975); }
    100% { opacity: 1; transform: none; }
  }

  /* All sizes use a focused backdrop; compact screens also constrain the card width. */
  @media (max-width: 1024px) {
    .pdk-card {
      width: calc(100vw - 20px);
      box-shadow: 0 28px 70px -18px rgba(18, 16, 14, .72);
    }
  }

  /* Header Tabs (Entrata / Uscita) */
  .pdk-header {
    background: #FFFFFF;
    padding: 12px 48px 9px 12px;
    color: var(--pdk-ink);
    flex-shrink: 0;
    border-radius: 27px 27px 0 0;
    border-bottom: 1px solid var(--pdk-accent-line);
  }
  .pdk-header-title {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 3;
    margin: 0;
  }
  .pdk-dialog-title {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .pdk-close-btn {
    background: var(--pdk-accent-soft);
    border: none;
    color: var(--pdk-ink);
    width: 32px; height: 32px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
  }
  .pdk-close-btn:hover { background: var(--pdk-accent-line); }

  .pdk-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: var(--pdk-surface-warm);
    padding: 4px;
    border-radius: 14px;
  }
  .pdk-tab {
    background: transparent;
    border: none;
    padding: 10px 12px;
    border-radius: 10px;
    color: #57534E;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
  }
  .pdk-tab.pdk-tab-active {
    background: #FFFFFF;
    color: var(--pdk-ink);
    box-shadow: 0 3px 12px rgba(28, 26, 23, .1);
    outline: 1px solid var(--pdk-accent-line);
  }
  .pdk-tab-label {
    font-size: 9.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: block;
    margin-bottom: 2px;
    color: var(--pdk-accent-strong);
  }
  .pdk-tab.pdk-tab-active .pdk-tab-label { color: var(--pdk-accent-strong); }
  .pdk-tab-val {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Body Content */
  .pdk-body {
    padding: 13px 16px 12px;
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .pdk-section-header {
    display: none;
  }

  /* Month Navigation & Calendar */
  .pdk-cal-monthbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
  }
  .pdk-cal-monthtitle {
    font-family: 'Fraunces', serif;
    font-size: 16.5px;
    font-weight: 600;
    color: #1C1A17;
  }
  .pdk-cal-navbtn {
    background: #F1ECE2;
    border: none;
    width: 30px; height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: bold;
    color: #1C1A17;
    transition: background 0.2s;
  }
  .pdk-cal-navbtn:hover { background: #E2DCCE; }

  .pdk-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    row-gap: 4px;
    column-gap: 0;
    text-align: center;
  }
  .pdk-cal-weekday {
    font-size: 11px;
    font-weight: 700;
    color: var(--pdk-accent-strong);
    padding-bottom: 6px;
    text-transform: uppercase;
  }
  .pdk-cal-day {
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    transition: all 0.15s;
    background: transparent;
    border: none;
  }
  .pdk-cal-day.pdk-disabled {
    color: #CBD5E1;
    cursor: not-allowed;
    pointer-events: none;
  }
  .pdk-cal-day:hover:not(.pdk-disabled) {
    background: var(--pdk-accent-soft);
  }
  .pdk-cal-day.pdk-today {
    position: relative;
    font-weight: 700;
  }
  .pdk-cal-day.pdk-today::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    transform: translateX(-50%);
    pointer-events: none;
  }
  .pdk-cal-day.pdk-in-range {
    background: var(--pdk-accent-soft) !important;
    color: #1C1A17 !important;
    border-radius: 0 !important;
    font-weight: 600;
  }
  .pdk-cal-day.pdk-range-start {
    background: var(--pdk-accent-strong) !important;
    color: #FFFFFF !important;
    border-radius: 9px 0 0 9px !important;
    font-weight: 700;
  }
  .pdk-cal-day.pdk-range-end {
    background: var(--pdk-accent-strong) !important;
    color: #FFFFFF !important;
    border-radius: 0 9px 9px 0 !important;
    font-weight: 700;
  }
  .pdk-cal-day.pdk-range-start.pdk-range-end {
    border-radius: 9px !important;
  }

  /* Modern Interactive Time Selector Card */
  .pdk-time-card {
    margin-top: 10px;
    padding: 8px 10px;
    background: var(--pdk-surface-warm);
    border: 1px solid var(--pdk-accent-line);
    border-radius: 13px;
  }
  .pdk-time-card-head {
    display: none;
  }
  .pdk-time-pickers-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 7px;
  }
  .pdk-time-pill {
    position: relative;
    flex: 0 0 84px;
  }
  .pdk-wheel-trigger {
    width: 100%;
    min-height: 42px;
    padding: 4px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    border: 1px solid var(--pdk-accent-line);
    border-radius: 9px;
    color: var(--pdk-ink);
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(28, 26, 23, .04);
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  }
  .pdk-wheel-trigger:hover,
  .pdk-wheel-trigger:focus-visible,
  .pdk-time-pill.pdk-wheel-open .pdk-wheel-trigger {
    border-color: var(--pdk-accent);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--pdk-accent) 18%, transparent);
    outline: none;
  }
  .pdk-pill-sub {
    font-size: 8px;
    font-weight: 700;
    color: var(--pdk-accent-strong);
    text-transform: uppercase;
    margin-bottom: 1px;
  }
  .pdk-wheel-current {
    font-size: 14px;
    line-height: 1;
    font-weight: 800;
    color: var(--pdk-ink);
  }
  .pdk-time-wheel {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 30;
    width: 94px;
    height: 192px;
    padding: 0 5px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
    scroll-snap-type: y mandatory;
    background: rgba(255, 255, 255, .98);
    border-radius: 14px;
    box-shadow: 0 18px 38px -14px rgba(18, 16, 14, .55);
    mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 80%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 80%, transparent);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(.88);
    transform-origin: center;
    transition: opacity .2s ease, transform .24s cubic-bezier(.16, 1, .3, 1), visibility .2s;
  }
  .pdk-time-pill.pdk-wheel-open .pdk-time-wheel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
  }
  .pdk-time-wheel::-webkit-scrollbar { display: none; }
  .pdk-time-wheel::before {
    content: '';
    position: sticky;
    display: block;
    top: 84px;
    height: 24px;
    margin-bottom: -24px;
    border-radius: 7px;
    background: var(--pdk-accent-soft);
    box-shadow: inset 0 0 0 1px var(--pdk-accent-line);
    pointer-events: none;
    z-index: 0;
  }
  .pdk-wheel-option {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 24px;
    padding: 0;
    border: 0;
    background: transparent;
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 700;
    color: var(--pdk-ink);
    outline: none;
    cursor: pointer;
    scroll-snap-align: center;
    transition: transform .08s linear, opacity .08s linear, color .12s ease;
    transform: scale(var(--pdk-wheel-scale, .78));
    opacity: var(--pdk-wheel-opacity, .42);
  }
  .pdk-wheel-option.pdk-wheel-selected {
    color: var(--pdk-accent-strong);
    font-weight: 800;
    z-index: 2;
    text-shadow: 0 2px 8px rgba(124, 94, 50, .16);
  }
  .pdk-wheel-spacer { height: 84px; flex: 0 0 84px; }
  .pdk-colon {
    font-weight: 800;
    font-size: 14px;
    color: var(--pdk-accent-strong);
  }

  /* Preset Chips */
  .pdk-preset-chips {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5px;
    padding-bottom: 2px;
  }
  .pdk-chip {
    padding: 5px 10px;
    border-radius: 18px;
    border: 1px solid #E2E8F0;
    background: #FFFFFF;
    font-size: 11.5px;
    font-weight: 600;
    color: #1C1A17;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
  }
  .pdk-chip:hover { border-color: var(--pdk-accent); background: var(--pdk-accent-soft); }
  .pdk-chip.pdk-chip-active {
    background: var(--pdk-accent-strong);
    color: #FFFFFF;
    border-color: var(--pdk-accent);
  }

  /* Alert Notice Bar for Opening Hours Validation */
  .pdk-alert-notice {
    margin-top: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    font-size: 11.5px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .pdk-alert-notice.pdk-alert-danger {
    background: #FEF2F2;
    border: 1px solid #FCA5A5;
    color: #991B1B;
  }
  .pdk-alert-notice.pdk-alert-info {
    background: #EFF6FF;
    border: 1px solid #93C5FD;
    color: #1E40AF;
  }

  /* Footer Bar */
  .pdk-footer {
    padding: 10px 16px;
    background: #FAF8F4;
    border-top: 1px solid #E2DCCE;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    border-radius: 0 0 27px 27px;
  }
  .pdk-duration {
    font-size: 12px;
    font-weight: 600;
    color: var(--pdk-accent-strong);
  }
  .pdk-apply-btn {
    background: #1C1A17;
    color: #FFFFFF;
    border: none;
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .pdk-apply-btn { background: var(--pdk-accent-strong); }
  .pdk-apply-btn:hover:not(:disabled) { background: var(--pdk-accent-strong); }
  .pdk-cal-navbtn:focus-visible,
  .pdk-cal-day:focus-visible,
  .pdk-tab:focus-visible,
  .pdk-chip:focus-visible,
  .pdk-apply-btn:focus-visible,
  .pdk-close-btn:focus-visible {
    outline: 3px solid var(--pdk-accent-line);
    outline-offset: 2px;
  }
  .pdk-apply-btn:disabled {
    background: #94A3B8;
    cursor: not-allowed;
    opacity: 0.7;
  }
  .pdk-formatted-display {
    transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease !important;
  }
  .pdk-formatted-display:hover,
  .pdk-formatted-display:focus-visible,
  .pdk-formatted-display.pdk-trigger-active {
    border-color: var(--pdk-accent) !important;
    background: var(--pdk-accent-soft) !important;
    box-shadow: 0 0 0 3px var(--pdk-accent-line);
    outline: none;
  }

  /* Compact media queries for small height screens (e.g. mobile/tablets in landscape or low height viewports) */
  @media (max-height: 700px), (max-width: 480px) {
    .pdk-backdrop {
      padding: 8px;
    }
    .pdk-card {
      max-height: calc(100dvh - 16px);
      max-height: calc(100vh - 16px);
      border-radius: 16px;
    }
    .pdk-header {
      padding: 10px 14px 8px;
      border-radius: 15px 15px 0 0;
    }
    .pdk-header-title {
      margin-bottom: 8px;
    }
    .pdk-dialog-title {
      font-size: 15px;
    }
    .pdk-close-btn {
      width: 26px; height: 26px; font-size: 14px;
    }
    .pdk-tabs {
      gap: 6px; padding: 3px; border-radius: 10px;
    }
    .pdk-tab {
      padding: 6px 8px; border-radius: 8px;
    }
    .pdk-tab-label {
      font-size: 8.5px;
    }
    .pdk-tab-val {
      font-size: 11.5px;
    }
    .pdk-body {
      padding: 10px 14px;
    }
    .pdk-section-header {
      font-size: 10.5px; margin-bottom: 6px;
    }
    .pdk-cal-monthbar {
      margin-bottom: 6px;
    }
    .pdk-cal-monthtitle {
      font-size: 14px;
    }
    .pdk-cal-navbtn {
      width: 24px; height: 24px;
    }
    .pdk-cal-weekday {
      font-size: 9.5px; padding-bottom: 2px;
    }
    .pdk-cal-day {
      height: 29px; font-size: 11.5px; border-radius: 7px;
    }
    .pdk-time-card {
      margin-top: 7px; padding: 6px 8px; border-radius: 11px;
    }
    .pdk-time-card-head {
      margin-bottom: 6px; font-size: 9.5px;
    }
    .pdk-time-pickers-row {
      margin-bottom: 6px; gap: 6px;
    }
    .pdk-time-pill {
      flex-basis: 78px;
    }
    .pdk-pill-sub {
      font-size: 8px;
    }
    .pdk-time-wheel { width: 90px; height: 192px; }
    .pdk-wheel-option { font-size: 11.5px; }
    .pdk-colon {
      font-size: 14px;
    }
    .pdk-chip {
      padding: 4px 8px; font-size: 10.5px; border-radius: 14px;
    }
    .pdk-footer {
      padding: 10px 14px;
      border-radius: 0 0 15px 15px;
    }
    .pdk-duration {
      font-size: 11.5px;
    }
    .pdk-apply-btn {
      padding: 8px 16px; font-size: 12px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .pdk-backdrop, .pdk-card, .pdk-time-wheel, .pdk-wheel-option,
    .pdk-wheel-trigger, .pdk-formatted-display { transition: none !important; }
    .pdk-card.pdk-shift-forward, .pdk-card.pdk-shift-backward { animation: none; }
    .pdk-time-wheel { scroll-behavior: auto; }
  }