/* Robusta Technology Group — tokens from https://robustagroup.com/ */
:root {
  --background: 225 30% 7%;
  --foreground: 210 40% 98%;
  --card: 225 25% 11%;
  --card-foreground: 210 40% 98%;
  --primary: 2 80% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 225 25% 15%;
  --muted: 225 20% 15%;
  --muted-foreground: 215 20% 65%;
  --accent: 2 80% 58%;
  --border: 225 20% 18%;
  --ring: 2 80% 58%;
  --radius: 0.75rem;

  --rtg-bg: hsl(var(--background));
  --rtg-fg: hsl(var(--foreground));
  --rtg-card: hsl(var(--card));
  --rtg-primary: hsl(var(--primary));
  --rtg-primary-dim: hsl(var(--primary) / 0.12);
  --rtg-muted: hsl(var(--muted-foreground));
  --rtg-border: hsl(var(--border));
  --rtg-border-subtle: hsl(0 0% 100% / 0.05);
  --rtg-border-light: hsl(0 0% 100% / 0.1);
}

body {
  font-family: "Nunito Sans", system-ui, -apple-system, sans-serif;
  background-color: var(--rtg-bg);
  color: var(--rtg-fg);
  background-image:
    radial-gradient(ellipse 70% 45% at 50% -10%, hsl(var(--primary) / 0.14), transparent),
    radial-gradient(ellipse 50% 35% at 100% 100%, hsl(225 40% 20% / 0.35), transparent);
}

h1, h2, h3, .page-title, .rtg-brand-title {
  font-family: "Raleway", "Nunito Sans", system-ui, sans-serif;
}

/* ── Navigation ─────────────────────────────────────────────── */
.rtg-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}
.rtg-brand:hover .rtg-brand-title {
  color: var(--rtg-fg);
}
.rtg-brand-logo {
  height: 2rem;
  width: auto;
  flex-shrink: 0;
}
.rtg-brand-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--rtg-fg);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.rtg-brand-sub {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rtg-muted);
}

.nav-link-active {
  color: var(--rtg-primary) !important;
  position: relative;
}
.nav-link-active::after {
  content: "";
  position: absolute;
  bottom: -0.35rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--rtg-primary);
  border-radius: 1px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary {
  background: var(--rtg-primary);
  color: hsl(var(--primary-foreground));
  font-weight: 600;
  transition: opacity 0.15s, box-shadow 0.15s;
}
.btn-primary:hover:not(:disabled) {
  opacity: 0.92;
  box-shadow: 0 0 24px hsl(var(--primary) / 0.35);
}
.btn-accent {
  background: var(--rtg-primary);
  color: hsl(var(--primary-foreground));
  font-weight: 600;
  border: 1px solid hsl(var(--primary) / 0.5);
  transition: opacity 0.15s, box-shadow 0.15s;
}
.btn-accent:hover:not(:disabled) {
  opacity: 0.92;
  box-shadow: 0 0 24px hsl(var(--primary) / 0.35);
}
.btn-ghost {
  background: hsl(var(--secondary));
  color: var(--rtg-muted);
  border: 1px solid var(--rtg-border-subtle);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-ghost:hover {
  background: hsl(var(--muted));
  color: var(--rtg-fg);
  border-color: var(--rtg-border-light);
}
.btn-ghost.active {
  background: var(--rtg-primary);
  color: hsl(var(--primary-foreground));
  border-color: transparent;
}

/* ── Cards ──────────────────────────────────────────────────── */
.kpi-card,
.alert-card,
.chart-card,
.insight-card {
  border-radius: var(--radius);
  border: 1px solid var(--rtg-border-subtle);
  background: hsl(var(--card) / 0.85);
  backdrop-filter: blur(8px);
}
.kpi-card { padding: 1rem; transition: border-color 0.15s; }
.kpi-card:hover { border-color: var(--rtg-border-light); }
.kpi-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--rtg-muted);
  margin-bottom: 0.25rem;
  font-weight: 600;
}
.kpi-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--rtg-fg);
  font-family: "Raleway", sans-serif;
}

.alert-card { border-width: 1px; padding: 1rem; }
.alert-card.border-danger { border-color: hsl(0 84% 60% / 0.4); }
.alert-card.border-warning { border-color: hsl(var(--primary) / 0.35); }
.alert-card.border-primary { border-color: hsl(var(--primary) / 0.45); }

.chart-card { padding: 1.25rem; }
.chart-card.border-dashed { border-style: dashed; border-color: var(--rtg-border-light); }
.chart-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--rtg-muted);
  margin-bottom: 1rem;
  font-family: "Raleway", sans-serif;
}

/* ── Health & flags ─────────────────────────────────────────── */
.health-badge {
  display: inline-block;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
}
.health-green { background: hsl(142 70% 45% / 0.18); color: hsl(142 60% 55%); }
.health-amber { background: hsl(var(--primary) / 0.18); color: hsl(var(--primary)); }
.health-red { background: hsl(0 84% 60% / 0.18); color: hsl(0 70% 65%); }

.flag {
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
}
.flag.stale { background: hsl(var(--primary) / 0.15); color: hsl(var(--primary)); }
.flag.decline { background: hsl(0 84% 60% / 0.15); color: hsl(0 70% 65%); }
.flag.suggest { background: hsl(225 25% 20% / 0.8); color: hsl(210 40% 85%); }

.kind-badge {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 0.25rem;
  font-weight: 600;
}
.kind-meeting { background: hsl(142 50% 35% / 0.2); color: hsl(142 60% 65%); }
.kind-ritual { background: hsl(210 60% 45% / 0.2); color: hsl(210 70% 70%); }
.kind-ooo { background: hsl(280 40% 45% / 0.2); color: hsl(280 50% 75%); }
.kind-block { background: hsl(225 25% 35% / 0.5); color: hsl(210 20% 70%); }
.kind-personal { background: hsl(45 60% 40% / 0.2); color: hsl(45 70% 70%); }
.kind-other { background: hsl(225 15% 30% / 0.5); color: hsl(210 15% 60%); }

/* ── Insights ───────────────────────────────────────────────── */
.insight-card { padding: 1.25rem; }
.insight-card.severity-high { border-color: hsl(0 84% 60% / 0.45); }
.insight-card.severity-medium { border-color: hsl(var(--primary) / 0.4); }
.insight-card.severity-low { border-color: var(--rtg-border-light); }

.severity-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  flex-shrink: 0;
}
.severity-badge.high { background: hsl(0 84% 60% / 0.2); color: hsl(0 70% 65%); }
.severity-badge.medium { background: hsl(var(--primary) / 0.2); color: hsl(var(--primary)); }
.severity-badge.low { background: hsl(225 25% 18%); color: hsl(210 40% 85%); }

.insight-hero {
  border-radius: var(--radius);
  border: 1px solid hsl(var(--primary) / 0.25);
  background: linear-gradient(135deg, hsl(var(--primary) / 0.12) 0%, hsl(var(--card) / 0.9) 55%, hsl(var(--background) / 0.95) 100%);
  padding: 1.5rem;
}
.ai-panel {
  border-radius: var(--radius);
  border: 1px solid hsl(var(--primary) / 0.2);
  background: hsl(var(--card) / 0.6);
  padding: 1.25rem;
}

/* ── Tables ─────────────────────────────────────────────────── */
.rtg-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--rtg-border-subtle);
  background: hsl(var(--card) / 0.5);
}
.rtg-table thead {
  background: hsl(var(--card));
  color: var(--rtg-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.rtg-table tbody tr {
  border-top: 1px solid var(--rtg-border-subtle);
  transition: background 0.12s;
}
.rtg-table tbody tr:hover {
  background: hsl(0 0% 100% / 0.03);
}

/* ── Login ──────────────────────────────────────────────────── */
.login-card {
  border-radius: 1rem;
  border: 1px solid var(--rtg-border-light);
  background: hsl(var(--card) / 0.95);
  padding: 2rem;
  box-shadow: 0 24px 48px hsl(0 0% 0% / 0.45);
}

/* ── Page headings ──────────────────────────────────────────── */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--rtg-fg);
  letter-spacing: -0.02em;
}
.page-subtitle {
  color: var(--rtg-muted);
  font-size: 0.875rem;
}

/* ── Banners & footer ───────────────────────────────────────── */
.banner-warning {
  background: hsl(var(--primary) / 0.08);
  border-bottom: 1px solid hsl(var(--primary) / 0.2);
  color: hsl(210 40% 90%);
}
.banner-warning code {
  background: hsl(var(--secondary));
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-size: 0.85em;
}

.rtg-footer {
  border-top: 1px solid var(--rtg-border-subtle);
  color: var(--rtg-muted);
  font-size: 0.75rem;
}

.font-display { font-family: "Raleway", "Nunito Sans", system-ui, sans-serif; }

.text-rtg-primary { color: var(--rtg-primary); }
.text-rtg-muted { color: var(--rtg-muted); }
.text-rtg-fg { color: var(--rtg-fg); }
.bg-rtg-card { background-color: var(--rtg-card); }