:root {
    --xmas-overlay-bg: rgba(0, 0, 0, 0.72);
    --xmas-card-bg: rgba(18, 18, 22, 0.92);
    --xmas-border: rgba(255, 255, 255, 0.16);
    --xmas-text: rgba(255, 255, 255, 0.92);
    --xmas-muted: rgba(255, 255, 255, 0.72);
    --xmas-btn-bg: rgba(255, 255, 255, 0.12);
    --xmas-btn-hover: rgba(255, 255, 255, 0.18);
    --xmas-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  }

  .xmas-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--xmas-overlay-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }

  .xmas-overlay[aria-hidden="false"] {
    display: flex;
  }

  .xmas-card {
    width: min(720px, 100%);
    background: var(--xmas-card-bg);
    color: var(--xmas-text);
    border: 1px solid var(--xmas-border);
    border-radius: 18px;
    box-shadow: var(--xmas-shadow);
    overflow: hidden;
  }

  .xmas-card__header {
    padding: 18px 20px 12px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--xmas-border);
  }

  .xmas-title {
    margin: 0;
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: 0.2px;
  }

  .xmas-subtitle {
    margin: 6px 0 0;
    color: var(--xmas-muted);
    font-size: 14px;
    line-height: 1.4;
  }

  .xmas-close {
    appearance: none;
    border: 1px solid var(--xmas-border);
    background: var(--xmas-btn-bg);
    color: var(--xmas-text);
    border-radius: 12px;
    padding: 10px 12px;
    cursor: pointer;
    line-height: 1;
    transition: background 120ms ease, transform 120ms ease;
    user-select: none;
  }
  .xmas-close:hover {
    background: var(--xmas-btn-hover);
    transform: translateY(-1px);
  }

  .xmas-card__body {
    padding: 18px 20px 6px;
    font-size: 15px;
    line-height: 1.6;
  }
  .xmas-card__body p {
    margin: 0 0 12px;
  }
.xmas-card__body {
  max-height: 70vh;          /* limits height relative to viewport */
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* Optional: slightly smaller image on very small screens */
@media (max-width: 480px) {
  #modalImage {
    height: 150px !important;
  }
}
  .xmas-card__footer {
    padding: 14px 20px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--xmas-border);
  }

  .xmas-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-left: auto;
  }

  .xmas-btn {
    appearance: none;
    border: 1px solid var(--xmas-border);
    background: var(--xmas-btn-bg);
    color: var(--xmas-text);
    border-radius: 12px;
    padding: 10px 12px;
    cursor: pointer;
    transition: background 120ms ease, transform 120ms ease;
    user-select: none;
    font-size: 14px;
  }
  .xmas-btn:hover {
    background: var(--xmas-btn-hover);
    transform: translateY(-1px);
  }

  .xmas-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--xmas-muted);
    font-size: 13px;
    user-select: none;
  }
  .xmas-checkbox input {
    width: 16px;
    height: 16px;
    accent-color: #ffffff;
  }

  @media (prefers-reduced-motion: no-preference) {
    .xmas-card {
      animation: xmas-pop 160ms ease-out;
    }
    @keyframes xmas-pop {
      from { transform: translateY(8px) scale(0.99); opacity: 0; }
      to   { transform: translateY(0) scale(1); opacity: 1; }
    }
  }