:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(15, 23, 42, 0.94);
  --panel-2: rgba(30, 41, 59, 0.97);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --success: #34d399;
  --danger: #f87171;
  --border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, 'Segoe UI', Arial, sans-serif;
  background: radial-gradient(circle at top, #172554, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
}
button, input, select, textarea {
  font: inherit;
}
.app-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 18px;
}
.hero, .panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
}
.hero { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.16);
  color: #bae6fd;
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.hero h1 { margin: 0 0 8px; font-size: 2rem; }
.hero p { margin: 0; color: var(--muted); max-width: 720px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
button {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: white;
}
button.secondary { background: rgba(255, 255, 255, 0.08); color: var(--text); }
button.danger { background: rgba(248, 113, 113, 0.16); color: #fecaca; }
button.small { padding: 7px 10px; font-size: 0.9rem; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.metric-card h3 { margin: 0 0 10px; color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; }
.metric-card strong { font-size: 1.45rem; }
.content-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 18px;
}
.lower-grid { grid-template-columns: 0.95fr 1.05fr; }
label { display: block; margin-top: 10px; color: var(--muted); font-size: 0.95rem; }
input, select, textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
}
textarea#voiceScript {
  min-height: 110px;
  border-left: 3px solid var(--accent);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.12), rgba(129, 140, 248, 0.12));
}
textarea { min-height: 96px; resize: vertical; }
.queue-list, .activity-list, .campaign-list, .trend-list, .brand-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.queue-item, .activity-item, .campaign-item, .trend-item, .brand-item {
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.queue-item strong, .activity-item strong, .campaign-item strong { display: block; margin-bottom: 4px; }
.queue-meta { color: var(--muted); font-size: 0.88rem; margin-top: 6px; }
.queue-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.account-actions, .voice-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.inline-control { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.92rem; }
.inline-control select { width: auto; min-width: 90px; margin-top: 0; }
.channel-status { color: var(--muted); font-size: 0.92rem; }
.account-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.account-item { padding: 12px; border-radius: 12px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06); }
.account-item strong { display: block; margin-bottom: 4px; }
.account-item .queue-meta { margin-top: 4px; }
.empty { color: var(--muted); padding: 8px 2px; }
.campaign-pill { display: inline-block; margin-top: 6px; padding: 4px 8px; border-radius: 999px; background: rgba(52, 211, 153, 0.16); color: #bbf7d0; font-size: 0.8rem; }
body.light-theme {
  --bg: #f1f5f9;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --border: rgba(15, 23, 42, 0.12);
}

@media (max-width: 860px) {
  .hero, .content-grid, .lower-grid { grid-template-columns: 1fr; display: grid; }
  .hero { align-items: start; }
}