/* main.css - Entry point and design tokens */

@import url("layout.css");
@import url("post.css");
@import url("streak.css");
@import url("blocks.css");

/* ----------------------------------------
   CSS Custom Properties
   ---------------------------------------- */
:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-border: #e1e4e8;
  --color-text: #24292f;
  --color-text-secondary: #57606a;
  --color-text-muted: #8b949e;
  --color-link: #0969da;
  --color-link-hover: #0550ae;
  --color-accent: #0969da;
  --color-code-bg: #f6f8fa;
  --color-blockquote-border: #d0d7de;
  --color-blockquote-text: #57606a;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier,
    monospace;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --line-height-tight: 1.3;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.8;

  /* Layout */
  --max-width: 720px;
  --max-width-wide: 960px;
  --nav-height: 3.5rem;
  --border-radius: 6px;
}

/* ----------------------------------------
   CSS Reset
   ---------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

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

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

ul,
ol {
  list-style-position: outside;
  padding-left: var(--space-lg);
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}