/* Global Styles */
html {
  scroll-behavior: smooth;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-family-body);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.lock-scroll {
  overflow: hidden;
}

main {
  flex: 1;
}

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

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 20px;
  background-color: var(--color-signal-orange);
  color: var(--color-asphalt-black);
  padding: 12px 24px;
  font-family: var(--font-family-technical);
  font-weight: bold;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 20px;
  outline: none;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

/* Reusable typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.monospace-label {
  font-family: var(--font-family-technical);
}

/* Selection and Focus Outlines */
::selection {
  background-color: var(--color-signal-orange);
  color: var(--color-asphalt-black);
}

:focus-visible {
  outline: 2px solid var(--color-signal-orange);
  outline-offset: 4px;
}

/* Form Elements */
input, select, textarea {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: var(--border-thickness) solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), outline var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-signal-orange);
}

/* Typography Helpers */
.text-accent {
  color: var(--color-signal-orange);
}

.text-status {
  color: var(--color-acid-green);
}

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

.monospace-meta {
  font-family: var(--font-family-technical);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Button Foundation */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family-heading);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: var(--border-radius-none);
  transition: all var(--transition-fast) var(--transition-timing);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-signal-orange);
  color: var(--color-asphalt-black);
}

.btn-primary:hover {
  background-color: var(--color-off-white);
  color: var(--color-asphalt-black);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-text-secondary);
}

.btn-secondary:hover {
  border-color: var(--color-signal-orange);
  color: var(--color-signal-orange);
}

.btn-block {
  display: flex;
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
}