/* ================================
   CSS Reset & Normalize
   ================================ */

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

/* HTML & Body */
html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: var(--leading-normal);
  font-family: var(--font-family);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

p {
  margin-bottom: 0;
}

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

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

/* Lists */
ul, ol {
  list-style: none;
}

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

/* Forms */
input, button, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
  user-select: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* Tables */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Misc */
hr {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: var(--space-4) 0;
}

/* Selection */
::selection {
  background-color: var(--primary-light);
  color: var(--white);
}

/* Scrollbar (Webkit) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

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

/* Remove spinner from number inputs */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}