/* NAC UDT Styles - Shared component styles */

:root {
  --bg-dark: #0a0f1a;
  --bg-panel: #111827;
  --bg-surface: #1f2937;
  --border: #374151;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --accent: #3b82f6;
  --green: #22c55e;
  --yellow: #f59e0b;
  --red: #ef4444;
  --cyan: #06b6d4;
}

/* Page Header */
.page-header {
  background: linear-gradient(180deg, #1e3a5f 0%, #0f2744 100%);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--accent);
}
.page-header h1 { color: #fff; font-size: 1.5rem; }
.back-btn {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
}
.back-btn:hover { background: #2563eb; }

/* KPI Card */
.kpi-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
}
.kpi-card[data-status="good"] { border-left: 4px solid var(--green); }
.kpi-card[data-status="warning"] { border-left: 4px solid var(--yellow); }
.kpi-card[data-status="critical"] { border-left: 4px solid var(--red); }
.kpi-value { font-size: 2rem; font-weight: 700; color: #fff; }
.kpi-label { color: var(--text-dim); font-size: 0.875rem; margin-top: 0.25rem; }
.kpi-trend { font-size: 0.75rem; margin-top: 0.5rem; }
.kpi-trend.up { color: var(--green); }
.kpi-trend.down { color: var(--red); }

/* Panel */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.panel-header {
  background: var(--bg-surface);
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.panel-content { padding: 1rem; }

/* Status Badge */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}
.status-badge[data-status="ok"] { background: var(--green); color: #fff; }
.status-badge[data-status="warning"] { background: var(--yellow); color: #000; }
.status-badge[data-status="critical"] { background: var(--red); color: #fff; }
.status-badge[data-status="info"] { background: var(--accent); color: #fff; }

/* Nav Item */
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-dim);
}
.nav-item:hover { background: var(--bg-surface); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-item .icon { width: 24px; text-align: center; }
.nav-item .badge {
  margin-left: auto;
  background: var(--yellow);
  color: #000;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.625rem;
  font-weight: 700;
}

/* Alarm Item */
.alarm-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
}
.alarm-item:hover { background: var(--bg-surface); }
.alarm-item[data-priority="high"] { border-left: 3px solid var(--red); }
.alarm-item[data-priority="medium"] { border-left: 3px solid var(--yellow); }
.alarm-item[data-priority="low"] { border-left: 3px solid var(--accent); }
.alarm-item[data-priority="info"] { border-left: 3px solid var(--cyan); }
.alarm-priority {
  font-size: 0.625rem;
  text-transform: uppercase;
  font-weight: 700;
  min-width: 50px;
}

/* Stat Row */
.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.stat-row:last-child { border-bottom: none; }
.stat-label { color: var(--text-dim); }
.stat-value { font-weight: 600; }
.stat-value.positive { color: var(--green); }
.stat-value.negative { color: var(--red); }

/* Progress Bar */
.progress-bar {
  background: var(--bg-surface);
  border-radius: 4px;
  height: 8px;
  overflow: hidden;
  position: relative;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}
.progress-fill[data-status="good"] { background: var(--green); }
.progress-fill[data-status="warning"] { background: var(--yellow); }
.progress-fill[data-status="critical"] { background: var(--red); }