/**
 * COSAS3D — Base Styles & Resets
 */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg-deep);
  color-scheme: dark;
}

body {
  background-color: var(--color-bg-deep);
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Custom Selection */
::selection {
  background-color: var(--color-accent-orange);
  color: #ffffff;
}

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--color-accent-orange);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

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

/* Button Resets */
button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

/* Image Defaults */
img, svg, picture {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

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

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-surface-elevated);
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-bg-deep);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-orange);
}

/* Reduced Motion Compliance */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}