:root {
  --canvas: #ffffff; --subtle: #f6f8fa; --border: #d0d7de;
  --fg: #1f2328; --muted: #59636e; --accent: #0969da;
  --header: #24292f; --success: #1f883d; --selected: #fd8c73;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--fg); background: var(--canvas);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; font-weight: 600; }

.topbar { display: flex; justify-content: space-between; align-items: center;
  background: var(--header); color: #fff; padding: 12px 24px; }
.topbar .brand { font-weight: 600; }
.topbar .logout { color: #fff; opacity: .85; }
main { margin: 24px 0; padding: 0 24px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 5px 16px;
  font: 500 14px/20px inherit; border: 1px solid var(--border); border-radius: 6px;
  background: var(--subtle); color: var(--fg); cursor: pointer; }
.btn:hover { background: #f3f4f6; text-decoration: none; }
.btn.primary { background: var(--success); border-color: rgba(31,35,40,.15); color: #fff; }
.btn.primary:hover { background: #1a7f37; }
.actions { display: flex; gap: 8px; align-items: stretch; }
.actions form { display: contents; }

.login { max-width: 320px; margin: 80px auto; background: var(--canvas);
  padding: 24px; border: 1px solid var(--border); border-radius: 12px; }
.login input { width: 100%; padding: 8px 12px; margin: 8px 0 14px;
  border: 1px solid var(--border); border-radius: 6px; }
.login button { width: 100%; padding: 8px; background: var(--success); color: #fff;
  border: 0; border-radius: 6px; font-weight: 500; cursor: pointer; }
.error { color: #cf222e; }

.crumbs { color: var(--muted); font-size: 13px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { text-decoration: underline; }

.tabs { display: inline-flex; gap: 2px; margin: 12px 0 16px; padding: 3px;
  background: var(--subtle); border: 1px solid var(--border); border-radius: 8px; }
.tab { padding: 5px 14px; border-radius: 6px; color: var(--muted);
  background: transparent; font-weight: 500; }
.tab:hover { background: rgba(31,35,40,.06); color: var(--fg); text-decoration: none; }
.tab.active, .tab.active:hover { background: var(--canvas); color: var(--fg);
  box-shadow: 0 1px 2px rgba(31,35,40,.15); }

.cards { list-style: none; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.cards li a { display: block; background: var(--canvas); padding: 16px;
  border: 1px solid var(--border); border-radius: 8px; color: inherit; }
.cards li a:hover { background: var(--subtle); text-decoration: none; }
.cards li a strong { display: block; }
.cards li a span { color: var(--muted); font-size: 13px; }
.cards li.empty { color: var(--muted); }

table.picker { width: 100%; border-collapse: collapse; background: var(--canvas);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
table.picker th, table.picker td { border-bottom: 1px solid var(--border); padding: 10px 14px; text-align: left; }
table.picker th { background: var(--subtle); color: var(--muted); font-size: 12px;
  text-transform: uppercase; letter-spacing: .03em; }
table.picker tbody tr:last-child td { border-bottom: 0; }
table.picker tbody tr:hover { background: var(--subtle); }
table.picker td a { font-weight: 600; }
table.picker td.empty { color: var(--muted); font-weight: 400; }

.table-head { display: flex; justify-content: space-between; align-items: center; }
.cached-note { color: var(--muted); font-size: 13px; margin: 4px 0 12px; }

.banner { background: #fff8c5; border: 1px solid #d4a72c66; padding: 12px 16px;
  border-radius: 6px; margin: 12px 0; }
.banner ul { margin: 8px 0 0; padding-left: 18px; font-size: 13px; }
.banner button { margin-top: 8px; }

table.ads { width: 100%; border-collapse: collapse; background: var(--canvas); font-size: 13px;
  border: 1px solid var(--border); }
table.ads th, table.ads td { border: 1px solid var(--border); padding: 8px; text-align: left; vertical-align: top; }
table.ads th { background: var(--subtle); position: sticky; top: 0; }
table.ads td.text { max-width: 240px; }
table.ads td.creative { text-align: center; }
.thumb { height: 64px; width: auto; border-radius: 6px; cursor: pointer; display: block; margin: 0 auto 4px; }
.thumb.video { outline: 2px solid var(--accent); }
.noprev { color: var(--muted); font-size: 12px; }
.viewpost { display: block; font-size: 12px; margin-top: 4px; }

.errorbox { background: var(--canvas); padding: 24px; border: 1px solid var(--border); border-radius: 12px; }
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,.8); display: flex; align-items: center; justify-content: center; }
.lightbox.hidden { display: none; }
.lightbox-inner img, .lightbox-inner video { max-width: 90vw; max-height: 90vh; }

.filterbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 12px 0; }
.filterbar .search-wrap { position: relative; flex: 0 1 350px; min-width: 200px; max-width: 350px; }
.filterbar .search-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--muted); pointer-events: none; }
.filterbar input[type="search"] { width: 100%; padding: 8px 12px 8px 34px; font: inherit;
  border: 1px solid var(--border); border-radius: 8px; background: var(--subtle); color: var(--fg); }
.filterbar input[type="search"]::-webkit-search-cancel-button { cursor: pointer; }
.filterbar label { display: inline-flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.filterbar select { font: inherit; font-weight: 400; text-transform: none; letter-spacing: 0;
  padding: 8px 30px 8px 11px; border: 1px solid var(--border); border-radius: 8px;
  background-color: var(--canvas); color: var(--fg); cursor: pointer;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none' stroke='%2359636e' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; }
.filterbar input[type="search"]:focus, .filterbar select:focus {
  outline: none; border-color: var(--accent); background-color: var(--canvas);
  box-shadow: 0 0 0 3px rgba(9,105,218,.25); }
.ad-count { color: var(--muted); font-size: 13px; margin-left: auto; white-space: nowrap; }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4);
  display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-overlay.hidden { display: none; }
.modal { background: var(--canvas); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px 22px; width: 320px; box-shadow: 0 8px 24px rgba(31,35,40,.2); }
.modal h2 { margin: 0 0 14px; font-size: 16px; }
.modal label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.modal input[type="date"], .modal input[type="text"] { display: block; width: 100%; margin-top: 4px; padding: 7px 10px;
  border: 1px solid var(--border); border-radius: 6px; font: inherit; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 6px; }

.ic { width: 1em; height: 1em; vertical-align: -0.15em; flex: none; }

.search-wrap .search-icon .ic { width: 16px; height: 16px; }

table.ads th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
table.ads th.sortable:hover { background: #eef1f4; }
table.ads th.sortable::after { content: "\2195"; opacity: .35; margin-left: 4px; font-size: 11px; }
table.ads th.sortable.asc::after { content: "\25B2"; opacity: 1; }
table.ads th.sortable.desc::after { content: "\25BC"; opacity: 1; }

.muted { color: var(--muted); }
.linkish { border: 0; background: none; padding: 0; margin-left: 10px;
  color: var(--accent); font: inherit; cursor: pointer; }
.linkish:hover { text-decoration: underline; }
.iconbtn { border: 0; background: none; padding: 2px; margin-left: 8px;
  color: var(--muted); cursor: pointer; vertical-align: middle; }
.iconbtn:hover { color: var(--accent); }
table.picker.snapshots th:nth-child(1), table.picker.snapshots td:nth-child(1) { width: 55%; }
table.picker.snapshots th:nth-child(2), table.picker.snapshots td:nth-child(2) { width: 30%; }
.rename-form { display: inline-flex; gap: 6px; margin-left: 10px; }
.rename-form[hidden] { display: none; }
.rename-form input { padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; font: inherit; }
table.ads tr.adset-group td { background: #e7e9ee; border-top: 2px solid var(--border); padding: 10px 12px; }
table.ads tr.adset-group .adset-title { font-size: 17px; margin-bottom: 4px; }
table.ads tr.adset-group .adset-link { margin-left: 12px; font-size: 12px; font-weight: 500; white-space: nowrap; }
table.ads tr.adset-group .group-props { color: var(--muted); font-size: 12px; }
table.ads tr.adset-group .group-props div { line-height: 1.7; }
table.ads tr.adset-group .group-props .k { font-weight: 600; color: var(--fg); }