:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #1c2430;
  --text-muted: #5d6877;
  --accent: #3b5bdb;
  --accent-text: #ffffff;
  --danger: #c92a2a;
  --ok-bg: #e3f6ea;   --ok-fg: #17692f;
  --warn-bg: #fff1d6; --warn-fg: #8a5300;
  --err-bg: #fde4e4;  --err-fg: #a11d1d;
  --info-bg: #e4ebfd; --info-fg: #2b47b0;
  --neutral-bg: #eceff3; --neutral-fg: #465061;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14171c; --surface: #1c2027; --border: #2f3541;
    --text: #e6e9ee; --text-muted: #9aa5b5;
    --accent: #7791ff; --accent-text: #0e1220; --danger: #ff8787;
    --ok-bg: #16351f;   --ok-fg: #7ee29a;
    --warn-bg: #3d2c0c; --warn-fg: #f5c26b;
    --err-bg: #4a1b1b;  --err-fg: #ff9c9c;
    --info-bg: #1e2a52; --info-fg: #a9bbff;
    --neutral-bg: #2a303a; --neutral-fg: #b7c0cd;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
code { font-size: 0.9em; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 12px; display: flex; align-items: center; gap: 10px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 20px; padding-bottom: 60px; }
.muted { color: var(--text-muted); }
.small { font-size: 0.85rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* top bar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 56px; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.05rem; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--text-muted); text-decoration: none; padding: 4px 2px; }
.topbar nav a:hover { color: var(--text); }
.modes { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; padding-bottom: 10px; font-size: 0.8rem; }
.mode { padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border); }
.mode-mock { border-style: dashed; background: var(--warn-bg); color: var(--warn-fg); border-color: transparent; }
.mode-live { background: var(--ok-bg); color: var(--ok-fg); border-color: transparent; }

/* layout */
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.page-head h2 { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } .topbar-inner { gap: 12px; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-bottom: 16px; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding-top: 0; }
.login-card { width: 100%; max-width: 340px; }
.login-card h1 { font-size: 1.3rem; margin-bottom: 4px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; align-items: center; }
.actions-footer { margin-top: 8px; }
.actions-footer form { margin: 0; }
.inline { margin: 0; }

/* KPI tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.tile-label { color: var(--text-muted); font-size: 0.85rem; }
.tile-value { font-size: 2rem; font-weight: 650; line-height: 1.2; font-variant-numeric: tabular-nums; }
.tile-sub { color: var(--text-muted); font-size: 0.78rem; margin-top: 2px; }

/* forms */
label { display: block; font-weight: 600; margin: 14px 0 4px; font-size: 0.9rem; }
.check { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; margin: 4px 16px 4px 0; }
input[type=text], input[type=password], input:not([type]), input[type=date], input[type=datetime-local], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit; }
textarea { resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, .btn:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; }
fieldset { border: 0; padding: 0; margin: 14px 0 0; }
legend { font-weight: 600; font-size: 0.9rem; padding: 0; margin-bottom: 4px; }
.form .btn { margin-top: 16px; }
.steps { margin: 8px 0 12px 20px; padding: 0; }
.steps li { margin: 4px 0; }
details { margin: 12px 0 0; }
summary { cursor: pointer; font-weight: 600; }
.conn { display: flex; align-items: center; gap: 12px; padding: 6px 0; flex-wrap: wrap; }
.trademark { margin: 12px 0 4px; padding-top: 10px; border-top: 1px solid var(--border); }
.trademark select { margin-right: 6px; }
input[type=range] { width: 100%; }
.logo-row { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.logo-thumb { max-width: 120px; max-height: 60px; background: repeating-conic-gradient(var(--border) 0 25%, transparent 0 50%) 50% / 12px 12px; border-radius: 6px; }
.hint { color: var(--text-muted); font-size: 0.82rem; margin: 6px 0 0; }
.hint.over { color: var(--danger); font-weight: 600; }
select { width: auto; }

.btn { display: inline-block; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--text-muted); }
.btn:disabled { opacity: 0.55; cursor: progress; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn-danger { color: var(--danger); }

/* media */
.preview { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); display: block; margin-bottom: 4px; }
.preview.empty { display: grid; place-items: center; color: var(--text-muted); }
.post-text { white-space: pre-wrap; font: inherit; margin: 0; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
.error-text { color: var(--err-fg); font-size: 0.85rem; margin-top: 2px; }

/* badges: colour is always paired with an icon and a text label */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; white-space: nowrap; background: var(--neutral-bg); color: var(--neutral-fg); }
.badge-approved, .badge-publishing { background: var(--info-bg); color: var(--info-fg); }
.badge-scheduled { background: var(--warn-bg); color: var(--warn-fg); }
.badge-published { background: var(--ok-bg); color: var(--ok-fg); }
.badge-failed { background: var(--err-bg); color: var(--err-fg); }
.chip { display: inline-block; padding: 1px 8px; border-radius: 6px; font-size: 0.8rem;
  border: 1px solid var(--border); color: var(--text-muted); }

.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.pill { padding: 3px 12px; border-radius: 999px; border: 1px solid var(--border); text-decoration: none;
  color: var(--text-muted); font-size: 0.85rem; }
.pill.active { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; background: var(--info-bg); color: var(--info-fg); }
.flash-success { background: var(--ok-bg); color: var(--ok-fg); }
.flash-error { background: var(--err-bg); color: var(--err-fg); }
.flash a { color: inherit; font-weight: 600; }

/* auto-save indicator */
.autosave { position: fixed; right: 16px; bottom: 16px; z-index: 5; padding: 6px 12px; border-radius: 999px;
  font-size: 0.82rem; background: var(--surface); border: 1px solid var(--border); color: var(--text-muted);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12); }
.autosave-ok { background: var(--ok-bg); color: var(--ok-fg); border-color: transparent; }
.autosave-error { background: var(--err-bg); color: var(--err-fg); border-color: transparent; }

/* busy overlay */
.busy { position: fixed; inset: 0; background: rgba(10, 14, 20, 0.45); display: grid; place-items: center; z-index: 10; }
.busy[hidden] { display: none; }
.busy-box { background: var(--surface); padding: 16px 22px; border-radius: var(--radius); display: flex; gap: 12px; align-items: center; }
.spinner { width: 18px; height: 18px; border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 3s; } }