/* Layout */
main { flex: 1; overflow-y: auto; }

/* Nav links */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #94a3b8;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}
.nav-link:hover { background-color: #1e293b; color: #e2e8f0; }
.nav-active { background-color: #1e3a8a; color: #93c5fd; }
.nav-active:hover { background-color: #1d4ed8; color: #bfdbfe; }

/* KPI cards */
.kpi-card {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
}
.kpi-label { font-size: 0.75rem; font-weight: 500; color: #64748b; text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-size: 1.75rem; font-weight: 700; color: #f1f5f9; margin-top: 0.25rem; }
.kpi-change { font-size: 0.8rem; font-weight: 500; margin-top: 0.375rem; }
.kpi-change.up { color: #4ade80; }
.kpi-change.down { color: #f87171; }
.kpi-change.neutral { color: #64748b; }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #1e293b;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.data-table th:hover { color: #94a3b8; }
.data-table td {
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  color: #cbd5e1;
  border-bottom: 1px solid #0f172a;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background-color: #0f172a; }
.data-table th.sort-active { color: #60a5fa; }

/* Format badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-video    { background: #1e1b4b; color: #a5b4fc; }
.badge-image    { background: #0c2a1a; color: #86efac; }
.badge-carousel { background: #2d1b00; color: #fbbf24; }
.badge-story    { background: #2d0f1f; color: #f9a8d4; }
.badge-active   { background: #052e16; color: #4ade80; }
.badge-paused   { background: #1c1917; color: #a8a29e; }

/* Stat bar (for compare page) */
.stat-bar-track { background: #1e293b; height: 6px; border-radius: 3px; }
.stat-bar-fill  { height: 6px; border-radius: 3px; transition: width 0.4s ease; }

/* Page header */
.page-header { padding: 1.5rem 2rem; border-bottom: 1px solid #1e293b; background: #0b1120; }
.page-header h1 { font-size: 1.25rem; font-weight: 700; color: #f1f5f9; }
.page-header p  { font-size: 0.875rem; color: #64748b; margin-top: 0.25rem; }

/* Panel / card */
.panel { background: #0b1120; border: 1px solid #1e293b; border-radius: 0.75rem; }

/* Period selector */
.period-btn {
  padding: 0.35rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #64748b;
  background: transparent;
  border: 1px solid #1e293b;
  cursor: pointer;
  transition: all 0.15s;
}
.period-btn:hover { background: #1e293b; color: #cbd5e1; }
.period-btn.active { background: #1e3a8a; border-color: #1d4ed8; color: #93c5fd; }

/* Form controls */
.form-select, .form-input {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 0.5rem;
  padding: 0.45rem 0.75rem;
  font-size: 0.875rem;
  color: #cbd5e1;
  outline: none;
  transition: border-color 0.15s;
}
.form-select:focus, .form-input:focus { border-color: #3b82f6; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #334155; }

/* Chart container */
.chart-wrap { position: relative; }

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, #1e293b 25%, #253447 50%, #1e293b 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 0.375rem;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Trend arrow */
.trend-up::before   { content: "↑ "; }
.trend-down::before { content: "↓ "; }

/* Toggle switch */
.toggle { position: relative; display: inline-block; width: 36px; height: 20px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute; inset: 0;
  background: #1e293b; border-radius: 20px;
  cursor: pointer; transition: background 0.2s;
}
.toggle input:checked + .toggle-track { background: #2563eb; }
.toggle input:disabled + .toggle-track { cursor: not-allowed; opacity: 0.5; }
.toggle-track::after {
  content: ''; position: absolute;
  left: 3px; top: 3px;
  width: 14px; height: 14px;
  background: #fff; border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle-track::after { transform: translateX(16px); }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0,0,0,.65); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal-box {
  background: #0b1120; border: 1px solid #1e293b; border-radius: 0.75rem;
  width: 100%; max-width: 640px; max-height: 80vh;
  display: flex; flex-direction: column;
}
.modal-header {
  padding: 1.25rem 1.5rem; border-bottom: 1px solid #1e293b;
  display: flex; align-items: center; justify-content: space-between;
}
.modal-body   { padding: 1.25rem 1.5rem; overflow-y: auto; flex: 1; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid #1e293b; }

/* Connection status pill */
.conn-pill {
  display: inline-flex; align-items: center; gap: .375rem;
  padding: .25rem .75rem; border-radius: 9999px;
  font-size: .75rem; font-weight: 600;
}
.conn-pill-dot { width: 6px; height: 6px; border-radius: 50%; }
.conn-connected { background:#052e16; color:#4ade80; }
.conn-connected .conn-pill-dot { background:#22c55e; }
.conn-demo { background:#1c1917; color:#a8a29e; }
.conn-demo .conn-pill-dot { background:#78716c; }
.conn-error { background:#2d0f0f; color:#f87171; }
.conn-error .conn-pill-dot { background:#ef4444; }

/* Account card in search modal */
.account-card {
  border: 1px solid #1e293b; border-radius: .5rem;
  padding: .875rem 1rem; transition: border-color .15s;
}
.account-card:hover { border-color: #334155; }