/**
 * Chatterfy Design System — reusable tokens
 * Source: browser snapshots (Chatterfy Admin & Test) in assets/screenshots/
 */
:root {
  /* Surfaces */
  --cf-bg: #090b11;
  --cf-bg-elevated: #0b101b;
  --cf-surface: #161922;
  --cf-surface-muted: #1c2230;
  --cf-surface-hover: #222836;

  /* Text */
  --cf-fg: #f4f6fb;
  --cf-fg-muted: #8b949e;
  --cf-fg-subtle: #6e7681;

  /* Borders */
  --cf-border: #2a3142;
  --cf-border-strong: #3d4659;

  /* Brand & actions */
  --cf-primary: #2563eb;
  --cf-primary-hover: #1d4ed8;
  --cf-primary-muted: rgba(37, 99, 235, 0.18);
  --cf-nav-active: #3f446e;
  --cf-nav-active-bar: #6366f1;

  /* Status */
  --cf-success: #10b981;
  --cf-success-bg: rgba(16, 185, 129, 0.14);
  --cf-warning: #f59e0b;
  --cf-danger: #ef4444;
  --cf-info: #38bdf8;

  /* Chart accents (dashboards) */
  --cf-chart-coral: #f97316;
  --cf-chart-mint: #34d399;
  --cf-chart-pink: #ec4899;
  --cf-chart-purple: #a855f7;
  --cf-chart-sky: #38bdf8;

  /* Typography */
  --cf-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --cf-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --cf-font-display-size: 28px;
  --cf-font-title-size: 20px;
  --cf-font-body-size: 14px;
  --cf-font-caption-size: 12px;
  --cf-font-metric-size: 32px;
  --cf-line-tight: 1.2;
  --cf-line-body: 1.5;

  /* Spacing scale */
  --cf-space-1: 4px;
  --cf-space-2: 8px;
  --cf-space-3: 12px;
  --cf-space-4: 16px;
  --cf-space-5: 20px;
  --cf-space-6: 24px;
  --cf-space-8: 32px;

  /* Radius */
  --cf-radius-sm: 6px;
  --cf-radius-md: 8px;
  --cf-radius-lg: 12px;
  --cf-radius-pill: 999px;

  /* Shadows */
  --cf-shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 8px 24px rgba(0, 0, 0, 0.35);
  --cf-shadow-focus: 0 0 0 2px var(--cf-bg), 0 0 0 4px var(--cf-primary);

  /* Layout */
  --cf-sidebar-width: 220px;
  --cf-header-height: 56px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--cf-font-sans);
  font-size: var(--cf-font-body-size);
  line-height: var(--cf-line-body);
  color: var(--cf-fg);
  background: var(--cf-bg-elevated);
  -webkit-font-smoothing: antialiased;
}

.cf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cf-space-2);
  min-height: 36px;
  padding: 0 var(--cf-space-4);
  border-radius: var(--cf-radius-md);
  border: 1px solid transparent;
  font: 600 var(--cf-font-body-size) / var(--cf-line-tight) var(--cf-font-sans);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.cf-btn-primary {
  background: var(--cf-primary);
  color: #fff;
}
.cf-btn-primary:hover {
  background: var(--cf-primary-hover);
}

.cf-btn-outline {
  background: transparent;
  border-color: var(--cf-primary);
  color: var(--cf-primary);
}

.cf-btn-ghost {
  background: transparent;
  border-color: var(--cf-border);
  color: var(--cf-fg);
}

.cf-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--cf-radius-pill);
  font-size: var(--cf-font-caption-size);
  font-weight: 600;
}
.cf-badge-success {
  background: var(--cf-success-bg);
  color: var(--cf-success);
}

.cf-card {
  background: var(--cf-surface);
  border: 1px solid var(--cf-border);
  border-radius: var(--cf-radius-md);
  box-shadow: var(--cf-shadow-card);
}

.cf-input {
  min-height: 36px;
  padding: 0 var(--cf-space-3);
  border: 1px solid var(--cf-border);
  border-radius: var(--cf-radius-md);
  background: var(--cf-bg);
  color: var(--cf-fg);
  font: inherit;
}
.cf-input::placeholder {
  color: var(--cf-fg-subtle);
}
.cf-input:focus {
  outline: none;
  border-color: var(--cf-primary);
  box-shadow: var(--cf-shadow-focus);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}