/* Tabler mapping: card header/body/footer, flush list group, avatar, form range and horizontal forms.
   Measurements: test-results/admin-tabler-2026-09-16/reference/measured.json. */
#view-contributors :is(.contributor-inline-form, .contributor-management, .appearance-settings),
.site-content-sample { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--surface); box-shadow: var(--shadow-card); }
.contributors-page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: var(--section-gap); }
#view-contributors :is(h2, h3), .site-content-sample h3 { margin: 0; color: var(--heading); font-size: 16px; font-weight: 500; line-height: 24px; }
#view-contributors label { color: var(--text); font-size: 14px; font-weight: 500; line-height: 20px; }
#view-contributors .form-input { width: 100%; min-width: 0; }
#view-contributors [hidden], .site-content-sample [hidden] { display: none !important; }
#view-contributors [role="status"] { color: var(--muted); font-size: 14px; line-height: 20px; overflow-wrap: anywhere; }
#view-contributors [role="status"]:empty { display: none; }

#contributorForm { display: grid; grid-template-columns: 40px 180px minmax(200px,1fr) 88px auto; align-items: center; gap: 20px 16px; padding: 20px; margin-bottom: var(--section-gap); }
#contributorForm .contributor-form-heading { grid-column: 1 / -1; margin: -20px -20px 0; padding: 20px; border-bottom: 1px solid var(--line); }
#contributorForm .contributor-form-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
#contributorFormStatus { grid-column: 2 / -1; }
/* File inputs retain their complete upload target; removal stays attached to its image. */
.image-upload { display: block; position: relative; width: 40px; height: 40px; flex: none; }
.image-upload > label { position: relative; display: grid; place-items: center; width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--control-radius); background: var(--surface-2); cursor: pointer; }
.image-upload input[type="file"] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.image-upload img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.image-upload .upload-symbol { color: var(--muted); font-size: 20px; font-weight: 400; }
.image-upload .image-remove { position: absolute; top: -6px; right: -6px; display: grid; place-items: center; width: 22px; height: 22px; min-height: 22px; padding: 0; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: var(--surface); font: 16px/1 var(--font-sans); cursor: pointer; box-shadow: var(--shadow-card); }
.image-upload:has(img[hidden]) .image-remove { display: none; }
.image-upload:focus-within > label { outline: 2px solid var(--accent); outline-offset: 3px; }
.qr-upload { width: 48px; height: 48px; }
.qr-upload .upload-symbol { font-size: 11px; }
.qr-upload img { object-fit: contain; background: #fff; }

.contributor-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; padding: 20px; border-bottom: 1px solid var(--line); }
.contributor-toolbar .form-input { flex: 1 1 220px; max-width: 340px; margin-left: auto; }
.contributor-filters { display: flex; flex-wrap: wrap; gap: 0; }
.contributor-filters button { min-height: var(--control-height); padding: 9px 16px; border: 0; border-bottom: 2px solid transparent; border-radius: 0; color: var(--muted); background: transparent; font: 500 14px/20px var(--font-sans); white-space: nowrap; cursor: pointer; box-shadow: none; }
.contributor-filters button:hover { color: var(--text); border-bottom-color: var(--line); }
.contributor-filters button[aria-pressed="true"] { color: var(--accent); border-bottom-color: var(--accent); }
#contributorListStatus:not(:empty) { margin: 0; padding: 12px 20px; border-bottom: 1px solid var(--line); }
.contributor-list-row { display: grid; grid-template-columns: 40px minmax(0,1fr) auto; align-items: start; gap: 12px 16px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
#contributorsEditor > .contributor-list-row:last-child { border-bottom: 0; }
.contributor-list-avatar { display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--control-radius); color: var(--accent); background: var(--accent-dim); font-weight: 500; }
.contributor-list-avatar img { width: 100%; height: 100%; border-radius: inherit; object-fit: cover; }
[data-theme="dark"] .contributor-filters button[aria-pressed="true"],
[data-theme="dark"] .contributor-list-avatar { color: var(--tblr-primary-text-emphasis); }
.contributor-list-text { min-width: 0; }
.contributor-list-text strong { color: var(--heading); font-size: 14px; font-weight: 500; line-height: 20px; overflow-wrap: anywhere; }
.contributor-count { color: var(--muted); font-size: 12px; font-weight: 400; white-space: nowrap; }
.contributor-list-text p { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 22px; overflow-wrap: anywhere; }
.contributor-list-actions { display: flex; align-items: center; align-self: center; flex-wrap: wrap; gap: 8px; }
.contributor-list-actions .btn-secondary { min-height: 32px; padding: 5px 10px; font-size: 12px; line-height: 20px; }
.contributor-list-actions .danger-action { color: var(--danger); }
.contributor-children { grid-column: 2 / -1; min-width: 0; padding: 12px 0 0 16px; border-top: 1px solid var(--line); border-left: 2px solid var(--line); }
.contributor-children .contributor-list-row { grid-template-columns: minmax(0,1fr) auto; padding: 12px 0; }
.contributor-children .contributor-list-row:first-child { padding-top: 0; }
.contributor-children .contributor-list-row:last-child { border-bottom: 0; }
/* Grouped rows already show the contributor identity in their parent. */
.contributor-children .contributor-list-avatar, .contributor-children .contributor-list-text > strong { display: none; }
.contributor-children .contributor-list-text p { margin: 0; color: var(--text); }
.contributor-children > .contributor-list-actions { padding-top: 12px; }
.contributor-list-row:has(> .contributor-delete-info) { grid-template-columns: 40px minmax(0,1.2fr) minmax(0,1fr); }
.contributor-delete-info { min-width: 0; color: var(--muted); font-size: 12px; line-height: 20px; overflow-wrap: anywhere; }
.contributor-delete-info p { color: var(--danger); margin: 0 0 4px; }
.contributor-delete-form { grid-column: 1 / -1; display: flex; align-items: flex-end; flex-wrap: wrap; gap: 12px; margin-top: 4px; padding-top: 16px; border-top: 1px solid var(--line); }
.contributor-delete-form label { display: grid; flex: 1 1 320px; gap: 8px; min-width: 0; }
.contributor-delete-form [type="submit"] { color: var(--danger); }
.contributor-delete-form [role="status"] { flex-basis: 100%; }
.contributors-empty { padding: 40px 20px; margin: 0; text-align: center; color: var(--muted); font-size: 14px; }
.contributor-pagination { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--line); background: var(--surface-2); border-radius: 0 0 var(--radius-panel) var(--radius-panel); }
.contributor-pagination > span { margin-right: auto; color: var(--muted); font-size: 14px; }

#wallAppearance { display: grid; grid-template-columns: minmax(280px,.8fr) minmax(0,1.2fr); gap: 16px 20px; padding: 20px; margin-top: var(--section-gap); }
#wallAppearance > h3 { grid-column: 1 / -1; margin: -20px -20px 0; padding: 20px; border-bottom: 1px solid var(--line); }
#wallAppearance .sample-section-heading { display: none; }
.contributor-controls { grid-column: 1; grid-row: 2 / 4; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); align-content: start; gap: 20px; padding: 0; margin: 0; border: 0; background: transparent; }
.contributor-controls label { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: baseline; gap: 8px 12px; min-width: 0; }
.contributor-controls input { grid-column: 1 / -1; grid-row: 2; width: 100%; height: 20px; margin: 0; padding: 0; appearance: none; background: transparent; cursor: pointer; }
.contributor-controls input::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: var(--line); }
.contributor-controls input::-moz-range-track { height: 4px; border-radius: 4px; background: var(--line); }
.contributor-controls input::-webkit-slider-thumb { width: 16px; height: 16px; margin-top: -6px; appearance: none; border: 0; border-radius: 50%; background: var(--accent); }
.contributor-controls input::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--accent); }
.contributor-controls input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--control-radius); }
.contributor-controls output { font-size: 12px; font-weight: 400; color: var(--muted); font-variant-numeric: tabular-nums; }
#contributorsStatus { grid-column: 1; grid-row: 4; align-self: end; margin: 0; }
#contributorsStatus button { margin: 8px 0 0 8px; }
.appearance-save { grid-column: 1; grid-row: 5; display: flex; justify-content: flex-start; align-self: start; margin: 0; }
#wallAppearance > .page-desc { grid-column: 2; grid-row: 2; margin: 0; font-size: 14px; color: var(--muted); line-height: 20px; }
/* The live website preview retains its row, speed, spacing and expansion behavior. */
#contributorsPreview { grid-column: 2; grid-row: 3 / 6; align-self: start; min-width: 0; display: flex; flex-direction: column; overflow: hidden; padding: 20px 0; border: 1px solid var(--line); border-radius: var(--control-radius); background: var(--surface-2); color: var(--text); font: 14px/20px var(--font-sans); }
#contributorsPreview .wall-window { padding: 18px 0; flex: none; }
.wall-track, .wall-group { display: flex; width: max-content; align-items: center; }
.wall-group { gap: 12px; padding-right: 12px; }
.wall-person { flex: none; }
.wall-float { display: flex; align-items: center; animation: wall-bob var(--period) ease-in-out infinite; animation-delay: var(--delay); }
.wall-pill { display: flex; align-items: center; gap: 11px; white-space: nowrap; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); padding: 9px 20px 9px 9px; box-shadow: var(--shadow-card); }
.wall-pill img, .wall-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex: none; }
.wall-avatar { display: grid; place-items: center; background: var(--accent-dim); color: var(--accent); }
.wall-pill p { max-width: 360px; overflow: hidden; text-overflow: ellipsis; margin: 0; color: var(--muted); }
.wall-pill small { color: var(--accent); }
.wall-window.row-0 .wall-pill { transform: scale(.88); }
.wall-window.row-2 .wall-pill { transform: scale(.94); }
.wall-history { display: flex; align-items: center; gap: 12px; width: 0; visibility: hidden; opacity: 0; transition: width .4s cubic-bezier(.22,1,.36,1),opacity .2s; flex: none; }
.wall-person:hover .wall-history, .wall-person:focus-within .wall-history { width: calc(var(--count) * 292px); visibility: visible; opacity: 1; }
.wall-history-pill { box-sizing: border-box; flex: 0 0 280px; width: 280px; height: 54px; display: flex; align-items: center; gap: 10px; padding: 12px 18px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); box-shadow: var(--shadow-card); }
.wall-history-pill:first-child { margin-left: 12px; }
.wall-history-pill strong { flex: none; }
.wall-history-pill span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--muted); }
.wall-window:hover { position: relative; z-index: 2; }
@keyframes wall-bob { 0%,100% { transform: translateY(calc(var(--lift) * -.6)); } 50% { transform: translateY(var(--lift)); } }

/* Tabler horizontal form groups share a label rail and unboxed content. */
.site-content-sample { padding: 0 20px; }
.site-content-sample > .panel-head { display: none; }
#siteLinksForm { display: block; padding: 0; }
#siteLinksForm .site-config-row { display: grid; grid-template-columns: 128px minmax(0,1fr); align-items: start; gap: 12px 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
#siteLinksForm .site-config-row > h3 { grid-column: 1; grid-row: 1; padding-top: 10px; font-size: 14px; line-height: 20px; }
#siteLinksForm .site-config-row > :not(h3) { grid-column: 2; min-width: 0; }
#siteLinksForm .site-config-row h3 label { display: flex; align-items: center; gap: 8px; margin: 0; }
#siteLinksForm input[type="checkbox"] { width: 16px; height: 16px; min-height: 0; margin: 0; flex: none; accent-color: var(--accent); }
#siteLinksForm .form-input { width: 100%; }
#siteLinksForm .site-config-row > .form-input { max-width: 820px; }
#siteLinksForm input[name="heroTitle"] { max-width: 640px; }
#siteLinksForm .site-config-row > :is(label,button) { justify-self: start; }
#siteLinksForm .site-config-row > .muted { max-width: 64ch; margin: 0; color: var(--muted); font-size: 14px; line-height: 22px; }
#siteLinksForm .site-config-fields { display: grid; grid-template-columns: 40px minmax(140px,180px) minmax(0,1fr); align-items: center; gap: 16px; }
#siteLinksForm .site-config-fields:has(.qr-upload) { grid-template-columns: 40px minmax(140px,180px) minmax(0,1fr) 48px; }
#heroBackgroundPreview { border: 1px solid var(--line); border-radius: var(--control-radius); }
.site-contact-preview { display: grid; grid-template-columns: 128px minmax(0,1fr); gap: 20px; padding: 20px 0; }
.site-contact-preview > h3 { font-size: 14px; line-height: 20px; }
#siteContactPreview { min-width: 0; color: var(--muted); font-size: 14px; line-height: 20px; }
#siteContactPreview > div { display: grid; grid-template-columns: minmax(100px,160px) minmax(0,1fr); align-items: start; gap: 8px 16px; padding: 12px 0; border-top: 1px solid var(--line); }
#siteContactPreview > div:has(img) { grid-template-columns: 24px minmax(76px,120px) minmax(0,1fr); }
#siteContactPreview > div:first-child { padding-top: 0; border-top: 0; }
#siteContactPreview img { width: 24px; height: 24px; flex: none; object-fit: contain; }
#siteContactPreview strong { color: var(--text); font-weight: 500; }
#siteContactPreview span { overflow-wrap: anywhere; min-width: 0; }
.sample-save-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin: 0 -20px; padding: 20px; border-top: 1px solid var(--line); border-radius: 0 0 var(--radius-panel) var(--radius-panel); background: var(--surface-2); }
.sample-save-bar p { margin: 0; color: var(--muted); font-size: 14px; line-height: 20px; }
.sample-save-bar > button { flex: none; }

@media (min-width: 1281px) {
  #siteLinksForm .site-config-row:has(#heroBackgroundPreview:not([hidden])) { grid-template-columns: 128px minmax(220px,.8fr) minmax(240px,1fr); }
  #siteLinksForm .site-config-row > #heroBackgroundPreview:not([hidden]) { grid-column: 3; grid-row: 1 / 4; margin-bottom: 0 !important; }
  #siteLinksForm .site-config-row:has(#heroBackgroundPreview:not([hidden])) > .muted { grid-row: 2; }
  #siteLinksForm .site-config-row:has(#heroBackgroundPreview:not([hidden])) > #clearHeroBackground { grid-row: 3; }
}
@media (max-width: 1280px) {
  #contributorForm { grid-template-columns: 40px 150px minmax(160px,1fr) 76px; }
  #contributorForm .contributor-form-actions { grid-column: 2 / -1; }
  .contributor-list-row, .contributor-list-row:has(> .contributor-delete-info) { grid-template-columns: 40px minmax(0,1fr); }
  .contributor-list-actions, .contributor-delete-info { grid-column: 2; }
  .contributor-children .contributor-list-actions { grid-column: auto; }
  #wallAppearance { display: block; }
  #wallAppearance > h3 { margin-bottom: 20px; }
  .contributor-controls { grid-template-columns: repeat(3,minmax(0,1fr)); }
  #contributorsStatus:not(:empty) { margin-top: 20px; }
  .appearance-save { justify-content: flex-end; margin: 20px 0 16px; }
  #wallAppearance > .page-desc { margin-bottom: 16px; }
}
@media (max-width: 1100px) {
  .contributor-controls { grid-template-columns: repeat(2,minmax(0,1fr)); }
  #siteLinksForm .site-config-row, .site-contact-preview { grid-template-columns: minmax(0,1fr); gap: 12px; }
  #siteLinksForm .site-config-row > :not(h3) { grid-column: 1; }
  #siteLinksForm .site-config-row > h3 { padding-top: 0; }
}
@media (max-width: 768px) {
  #contributorForm { grid-template-columns: 40px minmax(0,1fr) 80px; }
  #contributorForm input[name="contribution"] { grid-column: 1 / -1; grid-row: 3; }
  #contributorForm .contributor-form-actions, #contributorFormStatus { grid-column: 1 / -1; }
  .contributor-toolbar { align-items: stretch; }
  .contributor-toolbar .form-input { flex-basis: 100%; max-width: none; margin-left: 0; }
  .contributor-children { grid-column: 1 / -1; margin-left: 0; padding-left: 12px; }
  .contributor-children .contributor-list-row { grid-template-columns: minmax(0,1fr); }
  .contributor-children .contributor-list-actions { grid-column: 1; }
  #siteLinksForm .site-config-fields, #siteLinksForm .site-config-fields:has(.qr-upload) { grid-template-columns: 40px minmax(0,1fr); gap: 12px 16px; }
  #siteLinksForm .site-config-fields input[type="url"] { grid-column: 2; }
  #siteLinksForm .qr-upload { grid-column: 1; grid-row: 2; width: 40px; height: 40px; }
}
@media (max-width: 600px) {
  #contributorForm { grid-template-columns: 40px minmax(0,1fr); padding: 16px; gap: 16px 12px; }
  #contributorForm .contributor-form-heading, #wallAppearance > h3 { margin: -16px -16px 0; padding: 16px; }
  #contributorForm input[name="sort_order"] { grid-column: 1 / -1; }
  #contributorForm .contributor-form-actions { width: 100%; }
  .contributor-form-actions > button { flex: 1 1 120px; }
  .contributor-toolbar, .contributor-list-row, .contributor-pagination { padding: 16px; }
  .contributor-filters { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); width: 100%; }
  .contributor-list-actions, .contributor-delete-info { grid-column: 1 / -1; }
  .contributor-list-actions .btn-secondary { min-height: var(--control-height); padding: 9px 12px; font-size: 14px; line-height: 20px; }
  .contributor-delete-form label { flex-basis: 100%; }
  .contributor-pagination > span { flex-basis: 100%; }
  #wallAppearance { padding: 16px; }
  #wallAppearance > h3 { margin-bottom: 20px; }
  .contributor-controls { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .contributor-controls input { min-height: 28px; }
  .site-content-sample { padding: 0 16px; }
  #view-contributors .form-input, #siteLinksForm .form-input { font-size: 16px; }
  .sample-save-bar { align-items: stretch; margin-inline: -16px; padding: 16px; }
  .sample-save-bar > button { width: 100%; }
  #siteLinksForm .site-config-row, .site-contact-preview { padding-block: 20px; }
  #siteContactPreview > div { grid-template-columns: minmax(0,1fr); gap: 4px; }
  #siteContactPreview > div:has(img) { grid-template-columns: 24px minmax(0,1fr); gap: 4px 12px; }
  #siteContactPreview > div:has(img) span { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) {
  .wall-float { animation: none; }
  .wall-history { transition: none; }
}