/* entry screen */
  .entry {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg);
    color: var(--ink);
    display: grid;
    grid-template-rows: 1fr auto;
    align-items: center;
    justify-items: center;
    gap: 40px;
    font-family: var(--f-sans);
    padding: 64px;
    text-align: center;
    box-sizing: border-box;
    transition: background-color 420ms ease, color 420ms ease;
  }
  .entry-main {
    width: min(1180px, 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .entry-kicker {
    font-family: var(--f-mono);
    font-size: 16px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 28px;
  }
  .entry-title {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 112px;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--ink);
  }
  .entry-subtitle {
    margin-top: 34px;
    font-size: 24px;
    line-height: 1.45;
    color: var(--ink-dim);
  }
  .entry-controls {
    margin-top: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .theme-switcher {
    position: relative;
    display: inline-grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--rule);
    background: var(--bg-2);
    border-radius: 2px;
    overflow: hidden;
    transition: background-color 420ms ease, border-color 420ms ease;
  }
  .theme-switcher::before {
    content: "";
    position: absolute;
    top: 4px;
    bottom: 4px;
    left: 4px;
    width: calc((100% - 12px) / 2);
    background: var(--ink);
    border-radius: 2px;
    transform: translateX(0);
    transition: transform 320ms cubic-bezier(.2,.8,.2,1), background-color 420ms ease;
    z-index: 0;
  }
  .theme-switcher[data-theme-selected="light"]::before {
    transform: translateX(calc(100% + 4px));
  }
  .theme-option,
  .entry-action {
    appearance: none;
    border: 0;
    border-radius: 2px;
    font-family: var(--f-sans);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease, opacity .2s ease;
  }
  .theme-option {
    position: relative;
    z-index: 1;
    min-width: 112px;
    padding: 14px 18px;
    background: transparent;
    color: var(--ink-dim);
  }
  .theme-option[aria-pressed="true"] {
    color: var(--bg);
  }
  .entry-action {
    padding: 18px 38px;
    border: 1px solid var(--rule);
    background: transparent;
    color: var(--ink);
  }
  .entry-action.primary {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--bg);
  }
  .entry-action:hover,
  .theme-option:hover {
    transform: translateY(-1px);
  }
  .entry-loading {
    min-height: 48px;
    max-width: 620px;
    margin-top: 28px;
    font-size: 16px;
    line-height: 1.55;
    color: var(--ink-dim);
    opacity: 0;
    transition: opacity .2s ease;
  }
  .entry-hint {
    font-size: 12px;
    color: var(--ink-mute);
    font-family: var(--f-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
  .entry-url-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
  }
  .entry-url-label {
    font-family: var(--f-mono);
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-mute);
  }
  .entry-url-link {
    font-family: var(--f-mono);
    font-size: 56px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--gold);
    text-decoration: none;
    transition: opacity 0.2s ease;
  }
  .entry-url-link:hover { opacity: 0.7; }

  .entry-qr-block {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .entry-qr {
    display: block;
    border-radius: 6px;
  }

  .entry-footer {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .entry-icon-action {
    appearance: none;
    width: 32px;
    height: 32px;
    border: 1px solid var(--rule);
    border-radius: 2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--ink-mute);
    cursor: pointer;
    transition: color .2s ease, border-color .2s ease, transform .2s ease, background-color .2s ease;
  }
  .entry-icon-action:hover {
    color: var(--ink);
    border-color: var(--gold);
    background: color-mix(in oklab, var(--gold) 8%, transparent);
    transform: translateY(-1px);
  }
  .entry-icon-action svg {
    width: 16px;
    height: 16px;
    display: block;
  }
  @media (max-width: 800px) {
    .entry { padding: 36px 24px; }
    .entry-url-link { font-size: 32px; }
    .entry-controls { margin-top: 28px; }
    .entry-qr { width: 180px !important; height: 180px !important; }
  }