:root {
  --bg: #f4f5f9;
  --card: #ffffff;
  --text: #1c1e26;
  --muted: #6b7080;
  --border: #e1e3ea;
  --primary: #1a2fd0;
  --primary-text: #ffffff;
  --danger: #c62828;
  --ok: #2e7d32;
  --warn: #b26a00;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12131a;
    --card: #1c1e28;
    --text: #eceef5;
    --muted: #9aa0b2;
    --border: #2d3040;
    --primary: #5b6cff;
    --danger: #ff6b6b;
    --ok: #66bb6a;
    --warn: #ffb74d;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

[hidden] { display: none !important; }

h1, h2 { margin: 0 0 12px; font-size: 1.15rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: min(360px, 100%); }

.topbar {
  position: sticky; top: 0; z-index: 2;
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.topbar nav button { white-space: nowrap; padding: 8px 12px; }
@media (max-width: 640px) {
  .topbar { justify-content: space-between; }
  .topbar nav { order: 3; flex-basis: 100%; }
}
.topbar nav button { background: transparent; color: var(--text); border: 1px solid transparent; }
.topbar nav button.active { border-color: var(--border); background: var(--bg); }

main { max-width: 760px; margin: 0 auto; padding: 16px; }

label { display: block; margin: 12px 0; font-weight: 500; }
input, textarea, select {
  display: block; width: 100%; margin-top: 4px;
  padding: 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font: inherit;
}
textarea { resize: vertical; }

fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; margin: 0 0 12px; }
legend { font-weight: 600; padding: 0 4px; }

button {
  padding: 10px 16px; border-radius: 8px; border: 0;
  background: var(--primary); color: var(--primary-text);
  font: inherit; font-weight: 600; cursor: pointer;
}
button.secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
button.link { background: none; color: var(--muted); padding: 6px; }
button.danger { background: none; color: var(--danger); border: 1px solid var(--border); }
button:disabled { opacity: .6; cursor: wait; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }

.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choices label {
  display: flex; align-items: center; gap: 6px; margin: 4px 0;
  padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; font-weight: 400;
}
.choices input { width: auto; margin: 0; }

details { margin: 8px 0 4px; }
summary { cursor: pointer; color: var(--primary); font-weight: 600; }
.ai-option { white-space: pre-wrap; padding: 10px; margin: 8px 0; border: 1px dashed var(--border); border-radius: 8px; }
pre.prompt { white-space: pre-wrap; background: var(--bg); padding: 10px; border-radius: 8px; max-height: 240px; overflow: auto; }

.previews, .thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.previews img, .previews video, .thumbs img, .thumbs video {
  width: 88px; height: 88px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border);
}

.post-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.caption { white-space: pre-wrap; overflow-wrap: anywhere; }
.targets { list-style: none; padding: 0; margin: 8px 0 0; font-size: .92rem; }
.targets li { padding: 4px 0; border-top: 1px solid var(--border); overflow-wrap: anywhere; }

.badge { font-size: .8rem; padding: 2px 10px; border-radius: 999px; background: var(--bg); border: 1px solid var(--border); }
.badge.published { color: var(--ok); }
.badge.failed, .badge.partial { color: var(--danger); }
.badge.scheduled, .badge.publishing { color: var(--primary); }
.badge.draft, .badge.cancelled { color: var(--muted); }

.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1em; margin: 8px 0 0; }
.success { color: var(--ok); margin: 8px 0 0; }
.ok { color: var(--ok); }
.fail { color: var(--danger); }

.account-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 0; border-top: 1px solid var(--border); }
.account-row input { width: auto; display: inline; }

.legal { margin-top: 24px; line-height: 1.6; }
.legal h2 { font-size: 1.05rem; margin-top: 20px; }
.connect-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.connect-buttons a { display: inline-block; padding: 8px 14px; border: 1px solid var(--border); border-radius: 8px; text-decoration: none; color: inherit; }