.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
    .button-showcase { display: grid; gap: 18px; }
    .button-group { display: grid; gap: 10px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-2); }
    .button-group h3 { margin: 0; font-size: 15px; letter-spacing: -.01em; }
    .button-group p { margin: 0; color: var(--muted); font-size: 13px; }
    .btn {
      min-height: var(--h); display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      padding: 0 15px; border-radius: var(--radius-md); border: 1px solid var(--btn-neutral-border);
      background: var(--btn-neutral-bg); color: var(--btn-neutral-text); cursor: pointer; font: inherit;
      font-weight: 760; text-decoration: none; line-height: 1; white-space: nowrap;
      transition: background-color .14s ease, border-color .14s ease, color .14s ease, box-shadow .14s ease, transform .06s ease;
    }
    .btn:hover { background-color: var(--btn-hover-bg); border-color: var(--border-2); }
    .btn:active { transform: translateY(1px); }
    .btn:focus-visible { outline: none; box-shadow: var(--focus-ring-soft); }
    .btn.primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); border-color: var(--btn-primary-border); }
    .btn.primary:hover { background: color-mix(in srgb, var(--btn-primary-bg) 88%, var(--surface) 12%); border-color: var(--btn-primary-border); }
    .btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border-2); }
    .btn.outline { background: transparent; color: var(--text); border-color: var(--border-2); }
    .btn.outline:hover { background: var(--surface-2); }
    .btn.modal-close {
      background: var(--surface-2);
      border-color: var(--border);
      color: var(--text);
    }
    .btn.modal-close:hover {
      background: var(--btn-danger-bg);
      border-color: var(--btn-danger-border);
      color: #fff;
    }
    .btn.danger { background: var(--btn-danger-bg); color: var(--btn-danger-text); border-color: var(--btn-danger-border); }
    .btn .icon,
    .btn svg {
      width: 16px;
      height: 16px;
      flex: 0 0 16px;
      display: block;
    }
    .btn-sm {
      appearance: none;
      min-height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 6px 10px;
      border: 1px solid var(--btn-neutral-border);
      border-radius: var(--radius-md);
      background: var(--btn-neutral-bg);
      color: var(--btn-neutral-text);
      cursor: pointer;
      font: inherit;
      font-size: 13px;
      font-weight: 750;
      line-height: 1;
      text-decoration: none;
      transition: background-color .16s ease, border-color .16s ease, color .16s ease, transform .08s ease, box-shadow .16s ease;
    }
    .btn-sm:hover { background: var(--btn-hover-bg); border-color: var(--border-2); }
    .btn-sm:active { transform: translateY(1px); }
    .btn-sm:focus-visible { outline: none; box-shadow: var(--focus-ring-soft); }
    .btn-sm.danger { background: var(--btn-danger-bg); color: var(--btn-danger-text); border-color: var(--btn-danger-border); }
    .btn-sm.danger:hover { background: color-mix(in srgb, var(--btn-danger-bg) 82%, var(--text) 18%); border-color: color-mix(in srgb, var(--btn-danger-border) 72%, var(--text) 28%); }
    .btn-sm .icon,
    .btn-sm svg {
      width: 18px;
      height: 18px;
      min-width: 18px;
      max-width: 18px;
      flex: 0 0 18px;
      display: block;
      fill: currentColor;
    }
    .ars-app .btn.primary,
    .ars-app .btn-primary,
    .ars-app .offers-search-button,
    .ars-app .obj-reserve-btn {
      background: var(--btn-primary-bg);
      border-color: var(--btn-primary-border);
      color: var(--btn-primary-text);
    }
    .ars-app .btn.primary:hover,
    .ars-app .btn-primary:hover,
    .ars-app .offers-search-button:hover,
    .ars-app .obj-reserve-btn:hover {
      background: color-mix(in srgb, var(--btn-primary-bg) 88%, #000 12%);
      border-color: var(--btn-primary-border);
      color: var(--btn-primary-text);
    }
    .btn.icon { width: var(--h); padding: 0; flex: 0 0 auto; }
    .btn.icon .icon,
    .btn.icon svg {
      width: 18px;
      height: 18px;
      flex-basis: 18px;
    }
    .btn.small { min-height: 32px; padding: 0 11px; font-size: 13px; border-radius: var(--radius-sm); }
	    .btn.large { min-height: 50px; padding: 0 20px; font-size: 16px; }
	    .btn[disabled], .btn.is-disabled { opacity: .48; cursor: not-allowed; transform: none; }
	    .btn.loading::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; }
	    @media (max-width: 900px) {
	      .btn.btn-mobile-full,
	      .btn-sm.btn-mobile-full,
	      .btn.btn-show-all,
	      .btn-sm.btn-show-all {
	        inline-size: 100%;
	        max-inline-size: 100%;
	        box-sizing: border-box;
	        display: flex;
	        justify-content: center;
	        justify-self: stretch;
	        align-self: stretch;
	        text-align: center;
	      }
	    }
	    .btn-split { display: inline-flex; align-items: stretch; }
    .btn-split .btn:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); }
    .btn-split .btn:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; margin-left: -1px; padding-inline: 10px; }
    .icon-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; opacity: .75; }

    .ars-app .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 0;
    }
    .ars-app .chip {
      appearance: none;
      min-width: 0;
      user-select: none;
      cursor: pointer;
      padding: 8px 12px;
      border-radius: 999px;
      background: var(--app-chip-bg);
      border: 1px solid var(--app-border);
      color: var(--app-fg);
      font: inherit;
      text-align: left;
      transition: transform .05s ease, background-color .16s ease, border-color .16s ease, box-shadow .16s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .ars-app .chip:active {
      transform: scale(.98);
    }
    .ars-app .chip.active,
    .ars-app .chip.is-active,
    .ars-app .chip[aria-pressed="true"] {
      background: var(--app-chip-active-bg);
      color: var(--app-chip-active-fg);
      border-color: var(--app-primary-border);
      box-shadow: 0 0 0 2px color-mix(in srgb, var(--app-primary) 32%, transparent);
    }
    .ars-app .chip-icon {
      width: 16px;
      height: 16px;
      min-width: 16px;
      max-width: 16px;
      flex: 0 0 16px;
      display: block;
      fill: currentColor;
    }
    .ars-app .chip-label {
      display: inline-block;
      line-height: 1.1;
    }
    .ars-app .offers-amenities-section .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .toggle-theme { white-space: nowrap; }
    .check-stack { display: grid; gap: 10px; }
    .check { display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); }
    .check input[type="checkbox"] { width: 24px; min-width: 24px; min-height: 24px; height: 24px; margin-top: 0; }
    .check strong { color: var(--text); }

    .switch-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
    .switch-demo-card { display: grid; gap: 10px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-2); }
    .switch-demo-card h4 { margin: 0; font-size: 14px; color: var(--text); }
    .switch-demo-card p { margin: -4px 0 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
    .switch { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; color: var(--text-2); width: fit-content; }
    .switch input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
    .switch-ui { width: 44px; height: 24px; border-radius: 999px; border: 1px solid var(--border-2); background: var(--surface-3); position: relative; flex: 0 0 auto; transition: background-color .16s ease, border-color .16s ease; }
    .switch-ui::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--switch-thumb-bg, var(--btn-primary-bg)); transition: transform .16s ease, background-color .16s ease; }
    .switch input:checked + .switch-ui { border-color: var(--btn-primary-border); background: var(--btn-primary-bg); }
    .switch input:checked + .switch-ui::after { transform: translateX(20px); background: var(--switch-thumb-checked-bg, var(--btn-primary-text)); }
    .switch input:focus-visible + .switch-ui { box-shadow: var(--focus-ring-soft); }
    .switch.is-compact { gap: 8px; font-size: 13px; }
    .switch.is-compact .switch-ui { width: 36px; height: 20px; }
    .switch.is-compact .switch-ui::after { width: 12px; height: 12px; }
    .switch.is-compact input:checked + .switch-ui::after { transform: translateX(16px); }
    .switch.is-square .switch-ui { border-radius: 8px; }
    .switch.is-square .switch-ui::after { border-radius: 5px; }
    .switch.is-soft .switch-ui { background: var(--field); border-color: var(--border); }
    .switch.is-line .switch-ui { height: 18px; width: 46px; background: transparent; }
    .switch.is-line .switch-ui::after { top: -3px; left: 0; width: 22px; height: 22px; border: 1px solid var(--border-2); background: var(--switch-thumb-bg, var(--btn-primary-bg)); }
    .switch.is-line input:checked + .switch-ui::after { transform: translateX(22px); background: var(--btn-primary-bg); border-color: var(--btn-primary-border); }
    .switch.is-text .switch-ui { width: 76px; height: 30px; }
    .switch.is-text .switch-ui::before { content: "OFF"; position: absolute; inset: 0 9px 0 auto; display: grid; place-items: center; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .08em; }
    .switch.is-text .switch-ui::after { width: 22px; height: 22px; }
    .switch.is-text .switch-ui[data-off]::before { content: attr(data-off); }
    .switch.is-text input:checked + .switch-ui::before { content: "ON"; inset: 0 auto 0 10px; color: var(--btn-primary-text); }
    .switch.is-text input:checked + .switch-ui[data-on]::before { content: attr(data-on); }
    .switch.is-text input:checked + .switch-ui::after { transform: translateX(46px); }
    .top-switches .switch.header-text-switch {
      height: var(--header-control-h, 40px);
      min-height: var(--header-control-h, 40px);
    }
    .top-switches .switch.header-text-switch .switch-ui {
      width: 86px;
      height: var(--header-control-h, 40px);
    }
    .top-switches .switch.header-text-switch .switch-ui::before {
      inset: 0 13px 0 auto;
      font-size: 11px;
      letter-spacing: .04em;
    }
    .top-switches .switch.header-text-switch .switch-ui::after {
      top: 5px;
      left: 5px;
      width: 28px;
      height: 28px;
    }
    .top-switches .switch.header-text-switch input:checked + .switch-ui::before {
      inset: 0 auto 0 13px;
    }
    .top-switches .switch.header-text-switch input:checked + .switch-ui::after {
      transform: translateX(48px);
    }
    .switch.is-card { width: 100%; justify-content: space-between; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
    .switch.is-card > span:last-child { order: -1; color: var(--text); font-weight: 650; }
    .switch.is-disabled { opacity: .48; cursor: not-allowed; }

    .choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
    .choice-card { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: flex-start; min-height: auto; padding: 10px 11px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-2); color: var(--text); cursor: pointer; transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease; }
    .choice-card input { width: 18px; height: 18px; min-height: 18px; margin: 2px 0 0; accent-color: var(--accent); }
    .choice-card input[type="checkbox"] { width: 24px; min-width: 24px; height: 24px; min-height: 24px; margin: 0; accent-color: auto; }
    .choice-card > span { display: block; min-width: 0; color: var(--muted); font-size: 13px; line-height: 1.35; padding-top: 2px; }
    .choice-card > span > strong { display: block; color: var(--text); font-size: 14px; line-height: 1.3; margin-bottom: 3px; }
    .choice-card > span > strong + span { display: block; }
    .choice-card:has(input:checked) { border-color: color-mix(in srgb, var(--accent) 52%, var(--border)); background: color-mix(in srgb, var(--accent) 10%, var(--surface-2)); box-shadow: none; }
    .choice-card:hover { border-color: var(--border-2); background: var(--surface-3); }

    .segmented { display: inline-flex; padding: 4px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface-2); gap: 4px; }
    .segmented input { position: absolute; opacity: 0; }
    .segmented label { margin: 0; min-height: 32px; display: grid; place-items: center; padding: 0 13px; border-radius: 999px; color: var(--muted); cursor: pointer; }
    .segmented input:checked + label {
      background: var(--btn-primary-bg);
      color: var(--btn-primary-text);
      box-shadow: inset 0 0 0 1px var(--btn-primary-border);
    }

    input[type="range"] { height: 34px; padding: 0; accent-color: var(--accent); background: transparent; border: 0; }
    progress, meter { width: 100%; height: 12px; accent-color: var(--accent); }
    .progress { height: 12px; background: var(--surface-3); border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
    .progress > span { display: block; height: 100%; width: var(--value, 50%); background: var(--accent); }