:root {
  --bg-primary: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(51, 65, 85, 0.8);
  --border-color: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(6, 182, 212, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.15) 0px, transparent 50%);
  color: var(--text-main);
  min-height: 100vh;
  padding: 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0.5rem;
}

.subtext {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.btn {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 0.75rem;
  transition: transform 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 182, 212, 0.4);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

/* Tooltip (VD-12), disalin dari iwa-report/public/style.css supaya perilaku hover identik. */
.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-cyan);
  font-size: 0.7rem;
  font-weight: 800;
  margin-left: 0.35rem;
  cursor: help;
  position: relative;
  text-transform: none;
}

.tooltip-icon:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 0.4rem;
  font-size: 0.75rem;
  font-weight: 400;
  white-space: normal;
  width: 200px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  border: 1px solid var(--border-color);
  z-index: 100;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.badge {
  padding: 0.2rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-warning { background: rgba(245, 158, 11, 0.2); color: var(--accent-amber); }
.badge-critical { background: rgba(244, 63, 94, 0.2); color: var(--accent-rose); }
.badge-normal { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }
.badge-optimal { background: rgba(16, 185, 129, 0.2); color: var(--accent-emerald); }
/* Ungu sengaja dibedakan dari rose (kehilangan parah) -- 'Bermasalah' bukan
   tingkat keparahan kehilangan, melainkan "datanya tidak bisa dipercaya" (VD-2). */
.badge-bermasalah { background: rgba(168, 85, 247, 0.2); color: var(--accent-purple); }