/* ==========================================================================
   JeuColoriage V2 - Main Design System & Base Styles
   ========================================================================== */

:root {
  /* Color Palette */
  --color-bg: #ffffff;
  --color-bg-alt: #fcfcfd;
  --color-bg-card: #ffffff;
  --color-border: #eaecf0;
  --color-border-hover: #d0d5dd;
  
  --color-primary: #f04f5f;
  --color-primary-hover: #d83b4c;
  --color-primary-light: #fff1f3;
  --color-primary-ghost: rgba(240, 79, 95, 0.08);
  
  --color-secondary: #167c80;
  --color-secondary-hover: #0d5c61;
  --color-secondary-light: #e6f6f7;
  
  --color-accent: #f3a43b;
  --color-accent-light: #fff6df;
  
  --color-text: #1d2939;
  --color-text-muted: #475467;
  --color-text-light: #98a2b3;
  
  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Radii & Shadows */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.1), 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 8px -2px rgba(16, 24, 40, 0.1), 0 2px 4px -2px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 12px 24px -4px rgba(16, 24, 40, 0.08), 0 4px 8px -4px rgba(16, 24, 40, 0.03);
  --shadow-hover: 0 20px 24px -4px rgba(16, 24, 40, 0.08), 0 8px 8px -4px rgba(16, 24, 40, 0.03);
  
  /* Transitions */
  --transition-fast: all 0.15s ease;
  --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Container Widths */
  --layout-max: 1360px; /* Normal container */
  --layout-wide: 1540px; /* Wide container */
  --reading-max: 840px; /* Reading content */
  --container-padding: clamp(16px, 5vw, 40px); /* Responsive gutters */
}

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover, a:focus-visible {
  color: var(--color-primary-hover);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: 2.25rem; margin-bottom: 0.75rem; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; margin-bottom: 0.75rem; letter-spacing: -0.01em; }
h3 { font-size: 1.35rem; margin-bottom: 0.5rem; letter-spacing: -0.01em; }

p { margin-bottom: 1rem; }

/* Layout Containers */
.site-container, .container {
  width: 100%;
  max-width: var(--layout-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.site-container-wide {
  width: 100%;
  max-width: var(--layout-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.site-container-reading {
  width: 100%;
  max-width: var(--reading-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.site-main {
  flex: 1 0 auto;
  padding-top: 1.5rem;
  padding-bottom: 3rem;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

.skip-link:focus {
  clip: auto;
  clip-path: none;
  height: auto;
  width: auto;
  top: 8px;
  left: 8px;
  padding: .75rem 1rem;
  background: #fff;
  z-index: 9999;
}