/* ============================================
   AUTO SYSTEM - DESIGN TOKENS
   ============================================ */

:root {
  /* Tipografia */
  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Poppins', var(--font-sans);

  /* Espaçamentos */
  --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;

  /* Bordas */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.12);

  /* Transições */
  --transition-fast: 150ms cubic-bezier(.4,0,.2,1);
  --transition-base: 250ms cubic-bezier(.4,0,.2,1);

  /* Layout */
  --header-height: 60px;
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --bottom-nav-height: 68px;

  /* Brand */
  --brand-50: #eff6ff;
  --brand-100: #dbeafe;
  --brand-500: #3b82f6;
  --brand-600: #2563eb;
  --brand-700: #1d4ed8;

  /* Status */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
}

/* ============================================
   TEMA CLARO
   ============================================ */
[data-theme="light"] {
  --bg-app: #f5f7fb;
  --bg-surface: #ffffff;
  --bg-surface-2: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-muted: #eef2f7;
  --bg-hover: rgba(15, 23, 42, 0.04);

  --border-subtle: #e5e9f0;
  --border-strong: #cbd5e1;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-inverse: #ffffff;

  --header-bg: rgba(255, 255, 255, 0.85);
  --sidebar-bg: #ffffff;
  --bottom-nav-bg: rgba(255, 255, 255, 0.95);

  --accent: var(--brand-600);
  --accent-soft: var(--brand-50);
  --accent-text: var(--brand-700);

  --scrollbar-thumb: #cbd5e1;
  --scrollbar-track: transparent;
}

/* ============================================
   TEMA ESCURO
   ============================================ */
[data-theme="dark"] {
  --bg-app: #0b1220;
  --bg-surface: #111a2e;
  --bg-surface-2: #0f172a;
  --bg-elevated: #162238;
  --bg-muted: #1b2742;
  --bg-hover: rgba(255, 255, 255, 0.05);

  --border-subtle: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(148, 163, 184, 0.22);

  --text-primary: #e6edf7;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-inverse: #0f172a;

  --header-bg: rgba(15, 23, 42, 0.85);
  --sidebar-bg: #0f172a;
  --bottom-nav-bg: rgba(15, 23, 42, 0.95);

  --accent: var(--brand-500);
  --accent-soft: rgba(59, 130, 246, 0.15);
  --accent-text: #93c5fd;

  --scrollbar-thumb: #334155;
  --scrollbar-track: transparent;
}

/* Scrollbar global */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: var(--scrollbar-track); }
*::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: padding-box;
}