/* ==========================================================================
   MATELORA - DESIGN SYSTEM & CSS VARIABLES
   ========================================================================== */

:root {
  /* Color Palette - Primary & Accents */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);

  /* Secondary & Accents */
  --accent-cyan: #06b6d4;
  --accent-sky: #0284c7;
  --accent-purple: #9333ea;
  --pro-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --pro-gold: #f59e0b;
  --pro-gold-dark: #b45309;

  /* State Colors */
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;
  --success-btn: #10b981;
  --error-bg: #fef2f2;
  --error-border: #fecaca;
  --error-text: #991b1b;
  --error-btn: #ef4444;

  /* Neutrals & Surfaces */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-secondary: #f1f5f9;
  --bg-surface-hover: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-focus: #818cf8;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Elevations & Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);

  /* Spacings & Sizes */
  --header-height: 70px;
  --sidebar-width: 280px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index Layers */
  --z-base: 1;
  --z-sticky: 100;
  --z-header: 200;
  --z-dropdown: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-toast: 600;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-app);
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-height);
  overflow-x: hidden;
  width: 100%;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: var(--primary-600);
  text-decoration: none;
}