/* base.css -- CSS custom properties, reset, typography, utilities */

:root {
  --color-bg: #0d0d0d;
  --color-surface: #161616;
  --color-surface-raised: #1e1e1e;
  --color-border: #2a2a2a;
  --color-accent: #f07d00;
  --color-accent-dim: #c06000;
  --color-purple: #8b2fc9;
  --color-purple-dim: #6a1fa0;
  --color-text: #e0e0e0;
  --color-text-muted: #888;
  --color-danger: #ff4444;
  --color-success: #44cc44;
  --color-info: #4499ff;

  --font-stack: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --transition-fast: 0.15s ease;
  --transition-med: 0.25s ease;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-stack);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
}

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

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

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

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

ul, ol {
  list-style: none;
}

/* Utility classes */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.hidden {
  display: none !important;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-danger {
  color: var(--color-danger);
}

.text-success {
  color: var(--color-success);
}

.text-accent {
  color: var(--color-accent);
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }