/* Account appearance: colors, fonts and shapes are defined in tokens.css. */
.appearance-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.appearance-option {
    position: relative; display: flex; flex-direction: column; gap: 5px;
    padding: 12px; border: 2px solid var(--border); border-radius: var(--radius);
    background: var(--surface); cursor: pointer; min-width: 0;
}
.appearance-option:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.appearance-option:has(input:focus-visible) { outline: 3px solid var(--primary); outline-offset: 3px; }
.appearance-option:has(input:disabled) { opacity: .65; cursor: wait; }
.appearance-option input { position: absolute; top: 13px; right: 13px; width: 20px; height: 20px; accent-color: var(--primary); z-index: 1; }
.skin-name { font-size: 15px; font-weight: 700; color: var(--text); overflow-wrap: anywhere; }
.skin-desc { font-size: 12px; color: var(--text-muted); overflow-wrap: anywhere; }
.appearance-status { margin: 12px 0 0; min-height: 20px; }
.skin-preview {
    display: flex; flex-direction: column; gap: 7px; height: 132px; padding: 15px;
    background: var(--preview-paper); border: 1px solid var(--preview-line); border-radius: var(--preview-radius);
}
.skin-preview>span { display: block; flex: none; border-radius: var(--preview-radius); }
.preview-header { height: 6px; width: 40%; background: var(--preview-ink); }
.preview-digest { height: 35px; background: var(--preview-accent); margin: 3px 0; }
.preview-line { height: 5px; background: var(--preview-line); width: 85%; }
.preview-line.short { width: 60%; }
.preview-button { height: 13px; background: var(--preview-accent); width: 55%; margin-top: auto; align-self: flex-end; }

/* Shared skin structure: controls keep their existing positions. */
html[data-skin] .page-header h1,
html[data-skin] .tr-hero-title { font-family: var(--display-font); font-weight: 500; letter-spacing: -.025em; }
html[data-skin] .page-header h1 { font-size: 28px; }
html[data-skin] .settings-section { padding: 22px; box-shadow: none; }
html[data-skin] .sidebar { box-shadow: none; }
html[data-skin] .tr-card { border-radius: var(--radius); box-shadow: none; line-height: 1.65; }
html[data-skin] .tr-card::before, html[data-skin] .tr-card::after { display: none; }
html[data-skin] .tr-card-head { background: var(--surface); }
html[data-skin] .tr-card.to-a .tr-card-head { background: var(--surface); }
html[data-skin] .tr-card-lang { font-size: 12px; font-weight: 600; }
html[data-skin] .tr-card.to-a .tr-card-lang { color: var(--side-a); }
html[data-skin] .tr-card.to-b .tr-card-lang { color: var(--side-b); }
html[data-skin] .tr-digest { background: var(--digest-bg); color: var(--digest-ink); border: 0; box-shadow: none; padding: 18px 20px; }
html[data-skin] .tr-digest-title, html[data-skin] .tr-digest-sub { color: var(--digest-ink); }
html[data-skin] .tr-digest-sub { opacity: .85; }
html[data-skin] .tr-digest-body { --side-a: var(--digest-a); --side-b: var(--digest-b); }
html[data-skin] .tr-digest-body strong { background: var(--digest-highlight); }
html[data-skin] .btn-primary, html[data-skin] .tr-hero-btn { color: var(--on-primary); }
html[data-skin="editorial"] .tr-card { border-inline: 0; border-bottom: 0; background: var(--surface); }
html[data-skin="editorial"] .tr-card-src { border-bottom-style: solid; }
html[data-skin="editorial"] .page-header { padding-bottom: 16px; border-bottom: 1px solid var(--border); }
html[data-skin="architecture"] .tr-card.to-b { margin-inline-start: 14px; }
html[data-skin="architecture"] .tr-digest { border-end-end-radius: var(--radius-sm); }
html[data-skin="architecture"] .tr-langbar { border-radius: var(--radius); background: var(--surface); }
html[data-skin="atelier"] .tr-card-body { font-family: var(--display-font); }
html[data-skin="atelier"] .tr-card { border-inline: 0; border-bottom: 0; }
html[data-skin="atelier"] .tr-digest { border-inline-start: 3px solid var(--primary); }
html[data-skin="atelier"] .tr-card strong { background: none; text-decoration: underline; text-decoration-color: var(--primary); text-underline-offset: 4px; padding: 0; }
html[data-skin="atelier"] .tr-card-src { border-bottom-style: solid; }
@media (max-width: 480px) {
    html[data-skin] .settings-section { padding: 16px; }
    .appearance-grid { gap: 9px; }
    .appearance-option { padding: 10px; }
    .skin-preview { padding: 12px; }
    html[data-skin] .tr-digest { padding: 13px 16px; }
}
@media (max-width: 350px) {
    .skin-desc { font-size: 11px; }
    .skin-preview { height: 116px; padding: 10px; }
}