/* ==========================================================================
   Ad Spec Checker (/ad-spec-checker). Motion uses the tokens in style.css.
   ========================================================================== */

.spec-page {
  --sc-pass: var(--color-pass-ink);
  --sc-warn: var(--color-warn-ink);
  --sc-fail: var(--color-ember-text);
  --sc-unknown: var(--color-mid-gray);
  --sc-pass-bg: var(--color-pass-bg);
  --sc-warn-bg: var(--color-warn-bg);
  --sc-fail-bg: var(--color-fail-bg);
  --sc-unknown-bg: var(--color-surface-alt);
}

.spec-page [hidden] { display: none !important; }

.sc-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sc-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 20px;
  align-items: stretch;
}

.sc-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  min-width: 0;
}

/* Drop zone */
.sc-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 300px;
  padding: 32px 24px;
  text-align: center;
  border: 1.5px dashed var(--color-line-bold);
  border-radius: 16px;
  background: var(--surface);
  cursor: pointer;
  transition: var(--tx-interactive);
}
.sc-drop:hover,
.sc-drop.is-dragover {
  border-color: var(--color-ink);
  background: var(--surface-alt);
}
.sc-drop:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
}
.sc-drop .upload-icon { color: var(--color-ink); }
.sc-drop-title { font-size: 18px; font-weight: 650; color: var(--color-ink); }
.sc-drop-sub { font-size: 14px; color: var(--text-muted); max-width: 420px; line-height: 1.55; }
.sc-drop-meta { font-size: 12.5px; color: var(--text-muted); font-family: var(--mono); }
.sc-drop-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.sc-privacy { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-muted); margin-top: 12px; }

/* Placement picker */
.sc-picker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.sc-picker-head h2 { font-size: 16px; margin: 0; }
.sc-picker-actions { display: flex; align-items: center; gap: 8px; }
.sc-count { font-family: var(--mono); font-size: 12.5px; color: var(--text-muted); }
.sc-link-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  font: inherit;
  font-size: 13px;
  color: var(--color-ink);
  cursor: pointer;
  transition: var(--tx-interactive);
}
.sc-link-btn:hover { background: var(--surface-alt); border-color: var(--color-line-bold); }
.sc-link-btn:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 2px; }

.sc-placements { min-height: 420px; }
.sc-group {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 0;
  padding: 12px 0 10px;
  min-width: 0;
}
.sc-group:first-child { border-top: 0; }
.sc-group-legend { float: left; width: 100%; padding: 0; margin: 0 0 4px; }
.sc-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 2px 14px;
  clear: both;
}
.sc-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
  font-size: 14px;
  line-height: 1.35;
  cursor: pointer;
}
.sc-check input { accent-color: var(--color-ink); margin: 2px 0 0; flex: none; width: 16px; height: 16px; }
.sc-check-all { font-weight: 650; font-size: 13px; letter-spacing: 0.02em; text-transform: uppercase; }

/* Results */
.sc-results-area { margin-top: 24px; }
.sc-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.sc-toolbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.sc-pro-badge {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 1px 7px;
  margin-left: 6px;
}
.sc-notice {
  border: 1px solid var(--color-warn-line);
  background: var(--sc-warn-bg);
  color: var(--color-warn-ink);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  margin: 0 0 14px;
}
.sc-status { min-height: 1.4em; font-size: 13px; color: var(--text-muted); margin: 0 0 10px; }

.sc-file {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px 20px;
  margin-bottom: 16px;
  animation: sc-enter var(--dur-base) var(--ease-entrance) both;
  /* A Pro batch holds up to 50 matrices. Files off screen skip layout and
     paint until they scroll near, which keeps a picker change responsive. */
  content-visibility: auto;
  contain-intrinsic-size: auto 640px;
}
@keyframes sc-enter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.sc-file-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.sc-file-name { font-size: 16px; margin: 0; overflow-wrap: anywhere; }
.sc-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--tx-interactive);
}
.sc-remove .ico { margin: 0; }
.sc-remove:hover { color: var(--color-ink); border-color: var(--color-line-bold); }
.sc-remove:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 2px; }
.sc-facts { font-family: var(--mono); font-size: 12.5px; color: var(--text-muted); margin: 4px 0 10px; overflow-wrap: anywhere; }
.sc-summary { font-size: 15px; line-height: 1.55; color: var(--color-ink); margin: 0 0 14px; }
.sc-reading { color: var(--text-muted); font-size: 14px; }
.sc-error { color: var(--sc-fail); font-size: 14px; }
.sc-scroll-hint { display: none; font-size: 12px; color: var(--text-muted); margin: 0 0 6px; }

.sc-matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}
.sc-matrix-wrap:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 2px; }
.sc-matrix { width: 100%; min-width: 1080px; border-collapse: collapse; font-size: 12.5px; }
.sc-matrix th,
.sc-matrix td { text-align: left; vertical-align: top; padding: 10px; border-bottom: 1px solid var(--border); }
.sc-matrix thead th {
  font-size: 11.5px;
  font-weight: 650;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface-alt);
  white-space: nowrap;
}
.sc-matrix tbody tr:last-child > * { border-bottom: 0; }
/* Rows of placements left out by the picker stay in the table, hidden, so a
   picker change never rebuilds the matrix. The mobile layout sets display on
   every row, so hidden has to win explicitly. */
.sc-matrix tr[hidden] { display: none; }
.sc-row-head {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--surface);
  min-width: 170px;
  box-shadow: 1px 0 0 var(--border);
}
.sc-matrix thead th:first-child { position: sticky; left: 0; z-index: 2; }
.sc-row-status { display: inline-flex; vertical-align: -2px; margin-right: 6px; }
.sc-row-status .ico { margin: 0; width: 16px; height: 16px; }
.sc-row-name { font-weight: 650; font-size: 13.5px; color: var(--color-ink); }
.sc-row-links { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; font-size: 12px; font-weight: 500; }
.sc-row-links a { color: var(--text-muted); text-decoration: underline; text-underline-offset: 2px; transition: var(--tx-interactive); }
.sc-row-links a:hover { color: var(--color-ink); }
.sc-zone-link { color: var(--color-ink) !important; }
.sc-row-reason { display: block; margin-top: 3px; font-size: 12px; font-weight: 500; color: var(--text-muted); }
.sc-row-toggle { display: none; }

.sc-cell > span,
.sc-cell > a { display: block; }
.sc-badge { display: inline-flex !important; align-items: center; gap: 4px; font-weight: 650; font-size: 12px; border-radius: 999px; padding: 2px 8px 2px 6px; margin-bottom: 6px; }
.sc-badge .ico { margin: 0; width: 13px; height: 13px; stroke-width: 2.4; }
.sc-actual { font-family: var(--mono); color: var(--color-ink); overflow-wrap: anywhere; }
.sc-required { color: var(--text-muted); margin-top: 2px; overflow-wrap: anywhere; }
.sc-note { margin-top: 4px; font-size: 12px; line-height: 1.4; }
.sc-source { display: inline-flex !important; align-items: center; gap: 3px; margin-top: 6px; font-size: 11.5px; color: var(--text-muted); text-decoration: none; transition: var(--tx-interactive); }
.sc-source:hover { color: var(--color-ink); text-decoration: underline; }
.sc-source .ico { margin: 0; width: 11px; height: 11px; }

.is-pass > .sc-badge, .sc-row-status.is-pass { color: var(--sc-pass); }
.is-warn > .sc-badge, .sc-row-status.is-warn { color: var(--sc-warn); }
.is-fail > .sc-badge, .sc-row-status.is-fail { color: var(--sc-fail); }
.is-unknown > .sc-badge, .sc-row-status.is-unknown { color: var(--sc-unknown); }
.is-na > .sc-badge { color: var(--text-muted); font-weight: 500; }
.is-pass > .sc-badge { background: var(--sc-pass-bg); }
.is-warn > .sc-badge { background: var(--sc-warn-bg); }
.is-fail > .sc-badge { background: var(--sc-fail-bg); }
.is-unknown > .sc-badge { background: var(--sc-unknown-bg); }
.is-warn > .sc-note { color: var(--sc-warn); }
.is-fail > .sc-note { color: var(--sc-fail); }
.is-unknown > .sc-note { color: var(--sc-unknown); }
.sc-cell.is-na { color: var(--text-muted); }

/* Content below the tool */
.sc-content { max-width: 760px; }
.sc-content h2 { margin-top: 32px; }
.sc-content p, .sc-content li { line-height: 1.7; }
.sc-faq { margin-top: 32px; }

@media (max-width: 960px) {
  .sc-workspace { grid-template-columns: 1fr; }
  .sc-placements { min-height: 0; }
}

/* Phones: every placement becomes a card and every rule a labelled line. */
@media (max-width: 760px) {
  .sc-panel, .sc-file { padding: 16px; }
  .sc-drop { min-height: 220px; padding: 24px 16px; }
  .sc-options { grid-template-columns: 1fr 1fr; }
  .sc-matrix-wrap { overflow: visible; border: 0; border-radius: 0; }
  .sc-matrix { min-width: 0; }
  .sc-matrix thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
  .sc-matrix, .sc-matrix tbody, .sc-matrix tr, .sc-matrix th, .sc-matrix td { display: block; width: 100%; }
  .sc-row { border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
  .sc-row-head { position: static; box-shadow: none; background: var(--surface-alt); }
  .sc-row-links { flex-direction: row; flex-wrap: wrap; gap: 12px; }
  .sc-matrix td { display: grid; grid-template-columns: 38% minmax(0, 1fr); column-gap: 10px; }
  .sc-matrix td::before { content: attr(data-label); grid-row: 1 / span 6; font-weight: 600; color: var(--color-ink); }
  .sc-matrix td > * { grid-column: 2; }
  .sc-matrix td.is-na { display: none; }
  .sc-matrix td > .sc-badge { justify-self: start; }
  .sc-row:not(.is-open) td { display: none; }
  .sc-row-toggle {
    display: flex;
    width: max-content;
    margin-top: 10px;
    padding: 5px 12px;
    font: inherit;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--color-ink);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    transition: var(--tx-interactive);
  }
  .sc-row-toggle:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 2px; }
  .sc-row-toggle[aria-expanded="true"] { background: var(--color-ink); color: var(--surface); border-color: var(--color-ink); }
}
@media (max-width: 420px) {
  .sc-options { grid-template-columns: 1fr; }
  .sc-drop-actions { flex-direction: column; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .sc-file { animation: none; }
}