/* Base styles placeholder (T004)
   Keep CSS minimal, accessible, and static-first.
*/

:root {
  color-scheme: light dark;
  
  /* Light theme colors */
  --color-bg: #ffffff;
  --color-text: #1f2328;
  --color-text-secondary: #57606a;
  --color-border: #d0d7de;
  --color-border-light: #e8ecf0;
  --color-header-bg: #f6f8fa;
  --color-link: #0969da;
  --color-link-hover: #0550ae;
  --color-code-bg: #f6f8fa;
  --color-code-border: #d0d7de;
  --color-code-header: #e8ecf0;
  --color-code-line-bg: #e8ecf0;
  --color-button-bg: #ffffff;
  --color-button-border: #d0d7de;
  --color-button-hover: #f6f8fa;
  --color-focus: #0969da;
}

[data-theme="dark"] {
  color-scheme: dark;
  
  /* Dark theme colors */
  --color-bg: #0d1117;
  --color-text: #e6edf3;
  --color-text-secondary: #8b949e;
  --color-border: #30363d;
  --color-border-light: #21262d;
  --color-header-bg: #161b22;
  --color-link: #58a6ff;
  --color-link-hover: #79c0ff;
  --color-code-bg: #0d1117;
  --color-code-border: #30363d;
  --color-code-header: #161b22;
  --color-code-line-bg: #161b22;
  --color-button-bg: #21262d;
  --color-button-border: #30363d;
  --color-button-hover: #30363d;
  --color-focus: #58a6ff;
}

html {
  height: 100%;
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-bg);
  color: var(--color-text);
}

main {
  flex: 1;
  max-width: min(90ch, 1200px);
  margin: 0 auto;
  padding: 2rem 1rem;
  width: 100%;
}

body > header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
}

body > header > .header-container {
  max-width: min(90ch, 1200px);
  width: 100%;
}

footer {
  max-width: min(90ch, 1200px);
  margin: 0 auto;
  padding: 1rem;
  width: 100%;
  text-align: center;
}

nav a {
  text-decoration-thickness: 2px;
  color: var(--color-link);
}

nav a:hover {
  color: var(--color-link-hover);
}

nav a:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

a {
  color: var(--color-link);
}

a:hover {
  color: var(--color-link-hover);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-bg);
  color: var(--color-text);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
  padding: 0.5rem 0.75rem;
}

.prose {
  text-align: justify;
}

.prose img {
  max-width: 100%;
  height: auto;
}

.prose pre {
  overflow-x: auto;
  padding: 1rem;
}

/* Hero section */
.hero {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.hero-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
  flex-shrink: 0;
}

.hero-text h1 {
  margin: 0 0 0.5rem 0;
  font-size: 1.75rem;
}

.hero-text p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 600px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-photo {
    width: 120px;
    height: 120px;
  }
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5em 0;
}

.site-owner {
  font-weight: bold;
  font-size: 1.2em;
  color: var(--color-text);
}

.site-owner a {
  color: inherit;
  text-decoration: none;
  cursor: default;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: right;
}

/* Theme toggle button */
.theme-toggle,
.lang-toggle {
  background: var(--color-button-bg);
  border: 1px solid var(--color-button-border);
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  color: var(--color-text);
}

.theme-toggle:hover,
.lang-toggle:hover {
  background: var(--color-button-hover);
  border-color: var(--color-text-secondary);
}

.theme-toggle:focus-visible,
.lang-toggle:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* Language toggle button */
.lang-toggle .lang-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

/* Code block styles */
.code-block-container {
  margin: 1.5rem 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-code-bg);
  border: 1px solid var(--color-code-border);
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--color-code-header);
  border-bottom: 1px solid var(--color-code-border);
  min-height: 2rem;
}

.code-block-language {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.code-block-copy {
  background: transparent;
  border: 1px solid var(--color-button-border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.code-block-copy:hover {
  background: var(--color-button-hover);
  border-color: var(--color-text-secondary);
}

.code-block-copy:active {
  background: var(--color-border);
}

.code-block-copy svg {
  width: 16px;
  height: 16px;
}

.code-block-content {
  display: flex;
  overflow-x: auto;
}

.code-block-lines {
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
  background: var(--color-code-line-bg);
  border-right: 1px solid var(--color-code-border);
  user-select: none;
  min-width: 3rem;
  text-align: right;
}

.line-number {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
  padding: 0 0.75rem;
}

.code-block-content pre {
  margin: 0;
  padding: 1rem;
  flex: 1;
  overflow-x: auto;
  background: transparent;
}

.code-block-content code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text);
  display: block;
}

/* C# syntax highlighting */
.code-block-content code.language-csharp,
.code-block-content code.language-c#,
.code-block-content code.language-cs {
  color: var(--color-text);
}

/* Heading styles */
h2 {
  font-size: 2rem; /* Augmenter la taille pour le h2 */
  font-weight: bold;
  color: var(--color-text);
  padding-bottom: 0.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem; /* Taille plus petite pour le h3 */
  font-weight: bold;
  color: var(--color-text-secondary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

/* Dark mode support for browsers without JS (system preference fallback) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0d1117;
    --color-text: #e6edf3;
    --color-text-secondary: #8b949e;
    --color-border: #30363d;
    --color-border-light: #21262d;
    --color-header-bg: #161b22;
    --color-link: #58a6ff;
    --color-link-hover: #79c0ff;
    --color-code-bg: #0d1117;
    --color-code-border: #30363d;
    --color-code-header: #161b22;
    --color-code-line-bg: #161b22;
    --color-button-bg: #21262d;
    --color-button-border: #30363d;
    --color-button-hover: #30363d;
    --color-focus: #58a6ff;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
  }
  
  html {
    transition: none;
  }
}

/* On larger screens, give the header more presence: increase padding and site-owner size */
@media (min-width: 1000px) {
main,
body > header > .header-container,
footer {
  max-width: 1100px; /* prioritize a wider readable width on desktop */
  padding-left: 2rem;
  padding-right: 2rem;
}

  .header-container {
    padding: 1rem 0;
  }

  .site-owner {
    font-size: 1.5em;
  }
}

/* About page: justify content for better readability */
.about-content {
  text-align: justify;
  text-justify: inter-word;
  -webkit-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
  word-break: normal;
  overflow-wrap: normal;
}