/* ============================================
   DESIGN SYSTEM — On Target Growth
   Premium Dark Mode + Glassmorphism
   ============================================ */

:root {
  /* === Colors === */
  --bg-primary: #06060f;
  --bg-secondary: #0c0c1d;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-strong: rgba(255, 255, 255, 0.08);
  --bg-input: rgba(255, 255, 255, 0.05);
  --bg-input-focus: rgba(255, 255, 255, 0.08);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.15);
  --border-accent: rgba(124, 58, 237, 0.3);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #a78bfa;

  /* Accent gradient */
  --accent-start: #7c3aed;
  --accent-end: #3b82f6;
  --accent-gradient: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  --accent-gradient-hover: linear-gradient(135deg, #8b5cf6, #60a5fa);
  --accent-glow: rgba(124, 58, 237, 0.15);

  /* Status colors */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);

  /* Priority colors */
  --priority-high: #ef4444;
  --priority-medium: #f59e0b;
  --priority-low: #10b981;

  /* === Typography === */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs: 0.6875rem;    /* 11px */
  --text-sm: 0.8125rem;    /* 13px */
  --text-base: 0.9375rem;  /* 15px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.375rem;     /* 22px */
  --text-2xl: 1.75rem;     /* 28px */
  --text-3xl: 2.25rem;     /* 36px */

  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* === Spacing === */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* === Layout === */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 0px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* === Shadows === */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --shadow-glow-strong: 0 0 60px rgba(124, 58, 237, 0.25);

  /* === Glass === */
  --glass-blur: 20px;
  --glass-bg: rgba(12, 12, 29, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);

  /* === Transitions === */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* === Z-index === */
  --z-sidebar: 100;
  --z-modal-backdrop: 200;
  --z-modal: 300;
  --z-toast: 400;
  --z-tooltip: 500;
}
