/* ======================================================================
   CHECKPOINTFLOW - VARIÁVEIS DO SISTEMA & DESIGN TOKENS
   Estética: Apple Titanium & UNFLIX Obsidian Dark (#08090C)
   ====================================================================== */

:root {
  /* Tipografia Apple / San Francisco / Inter */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.8125rem;   /* 13px */
  --font-size-md: 0.9375rem;   /* 15px */
  --font-size-lg: 1.0625rem;   /* 17px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */

  /* Cores Base UNFLIX Obsidian (#08090C) & Titanium */
  --bg-app: #08090c;
  --bg-app-subtle: #0d1017;
  --bg-sidebar: rgba(13, 16, 23, 0.82);
  --bg-topbar: rgba(13, 16, 23, 0.78);
  --bg-card: rgba(18, 22, 31, 0.68);
  --bg-card-hover: rgba(26, 32, 45, 0.78);
  --bg-card-active: rgba(32, 40, 56, 0.88);
  --bg-input: rgba(10, 13, 19, 0.85);
  --bg-modal: rgba(13, 16, 23, 0.96);

  /* Bordas e Chanfros de Precisão Apple Glass */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.16);
  --border-glass-active: rgba(99, 102, 241, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --bevel-glass: inset 0 1px 0.5px rgba(255, 255, 255, 0.10);

  /* Tipografia & Contraste Sóbrio */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #08090c;

  /* Cores de Destaque Executivo (Discretas e Elegantes) */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.12);
  --primary-glow: rgba(99, 102, 241, 0.25);

  --accent-titanium: #94a3b8;
  --accent-titanium-light: rgba(148, 163, 184, 0.10);

  /* Estados e Badges Semânticos Desaturados */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.10);
  --success-border: rgba(16, 185, 129, 0.25);

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.10);
  --warning-border: rgba(245, 158, 11, 0.25);

  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.10);
  --danger-border: rgba(239, 68, 68, 0.25);

  --info: #6366f1;
  --info-bg: rgba(99, 102, 241, 0.10);
  --info-border: rgba(99, 102, 241, 0.25);

  --purple: #8b5cf6;
  --purple-bg: rgba(139, 92, 246, 0.10);
  --purple-border: rgba(139, 92, 246, 0.25);

  /* Sombras Difusas e Elevações Apple */
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 24px rgba(99, 102, 241, 0.18);

  /* Blur de Vidro e Curvas Físicas */
  --backdrop-blur: blur(20px);
  --backdrop-blur-heavy: blur(32px);
  --apple-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Dimensões do Layout */
  --sidebar-width: 250px;
  --sidebar-collapsed-width: 68px;
  --topbar-height: 60px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}