/* ===== Airbnb-ish Design Tokens ===== */
          :root {
            --surface: #fff;
            --text: #222;
            --muted: #717171;
            --border: #e7e7e7;
            --ring: #222;
            --elev-1: 0 8px 28px rgba(0, 0, 0, .12), 0 2px 8px rgba(0, 0, 0, .06);
            --radius-lg: 16px;
            --radius-md: 12px;
            --space-4: 1.25rem;
            --space-5: 1.75rem;
            --tr: 180ms cubic-bezier(.2, .8, .2, 1);
          }

          @media (prefers-color-scheme: dark) {
            :root {
              --surface: #222;
              --text: #f7f7f7;
              --muted: #b0b0b0;
              --border: #3a3a3a;
              --ring: #fff;
              --elev-1: 0 12px 32px rgba(0, 0, 0, .45), 0 2px 10px rgba(0, 0, 0, .35);
            }
          }

          /* ===== Language Trigger ===== */
          .lang-trigger {
            background: var(--surface);
            color: var(--text);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: .5rem .9rem;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            transition: box-shadow var(--tr), transform var(--tr), border-color var(--tr);
          }

          .lang-trigger:hover {
            box-shadow: var(--elev-1);
            transform: translateY(-1px);
          }

          .lang-trigger:focus {
            outline: none;
            box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--ring);
          }

          /* ===== Modal Shell ===== */
          .lang-modal[hidden] {
            display: none;
          }

          .lang-modal {
            position: fixed;
            inset: 0;
            z-index: 1000;
          }

          .lang-modal__backdrop {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, .35);
            backdrop-filter: blur(2px);
          }

          .lang-modal__dialog {
            position: relative;
            margin: 8vh auto 0;
            max-width: 640px;
            background: var(--surface);
            color: var(--text);
            border-radius: var(--radius-lg);
            box-shadow: var(--elev-1);
            overflow: hidden;
          }

          /* ===== Header / Footer ===== */
          .lang-modal__header {
            padding: var(--space-4) var(--space-5);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
          }

          .lang-modal__header h2 {
            margin: 0;
            font-size: 1.125rem;
            font-weight: 700;
          }

          .lang-modal__close {
            background: transparent;
            border: 1px solid var(--border);
            width: 36px;
            height: 36px;
            border-radius: 999px;
            cursor: pointer;
            font-size: 1.1rem;
            line-height: 1;
            display: grid;
            place-items: center;
            transition: background var(--tr), transform var(--tr), box-shadow var(--tr);
          }

          .lang-modal__close:hover {
            background: rgba(0, 0, 0, .04);
            transform: rotate(5deg) scale(1.02);
          }

          .lang-modal__body {
            padding: var(--space-5);
          }

          .lang-modal__footer {
            padding: var(--space-4) var(--space-5);
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: flex-end;
          }

          .btn-secondary {
            background: var(--surface);
            color: var(--text);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: .6rem 1rem;
            cursor: pointer;
            font-weight: 600;
            transition: box-shadow var(--tr), transform var(--tr);
          }

          .btn-secondary:hover {
            box-shadow: var(--elev-1);
            transform: translateY(-1px);
          }

          /* ===== Language Grid ===== */
          .lang-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: .9rem;
          }

          @media (max-width: 640px) {
            .lang-grid {
              grid-template-columns: repeat(2, minmax(0, 1fr));
            }
          }

          .lang-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: .5rem;
            padding: .95rem 1rem;
            background: #fafafa;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            cursor: pointer;
            font-weight: 700;
            transition: background var(--tr), box-shadow var(--tr), transform var(--tr);
          }

          .lang-item span {
            font-weight: 700;
          }

          .lang-item em {
            font-style: normal;
            color: var(--muted);
            font-weight: 700;
            letter-spacing: .6px;
          }

          .lang-item:hover {
            background: #fff;
            border-color: #d6d6d6;
            box-shadow: var(--elev-1);
            transform: translateY(-1px);
          }