/* =========================
   base.css
   Shared resets, typography, utilities
   ========================= */

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

html, body {
  height: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-color: var(--color-bg);
  color: var(--color-text);
}

/* Remove default list styles */
ul, ol {
  list-style: none;
}

/* Remove default link styles */
a {
  text-decoration: none;
  color: inherit;
}

/* Images scale nicely */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

/* Form elements inherit font */
input, button, textarea, select {
  font: inherit;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
}

/* =========================
   Utilities
   ========================= */

/* Layout helpers */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
}

.flex {
  display: flex;
}
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Spacing utilities */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }

/* Text utilities */
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.25rem; }
.text-center { text-align: center; }
.text-bold { font-weight: 600; }

/* Card utility */
.card {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem;
  background-color: var(--color-surface, var(--color-bg));
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}