/* ==========================================================================
   Base Styles & CSS Reset
   VocSeed - Light Theme
   ========================================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Import Clash Display and Satoshi from Fontshare (official source) */
@import url('https://api.fontshare.com/v2/css?f[]=clash-display@700,600,500&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@700,500,400&display=swap');

/* Logo font style - matches VocSeed logo */
.logo-font {
  font-family: 'Clash Display', var(--font-display), sans-serif;
  font-style: italic;
  font-weight: 700;
  color: var(--color-accent);
}

/* ==========================================================================
   Modern CSS Reset
   ========================================================================== */

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

/* Prevent font size inflation */
html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  scroll-behavior: smooth;
}

/* Remove default margin and set core body defaults */
body {
  min-height: 100vh;
  line-height: var(--leading-normal);
  font-family: var(--font-body), var(--font-chinese);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  color: var(--color-text-primary);
  background-color: var(--color-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Remove list styles on ul, ol with a list role */
ul[role='list'],
ol[role='list'] {
  list-style: none;
}

/* Set core link defaults */
a {
  color: inherit;
  text-decoration: none;
  text-decoration-skip-ink: auto;
}

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

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Remove default button styles */
button {
  background: none;
  border: none;
  cursor: pointer;
}

/* Avoid text overflows */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* Remove animations for people who've turned them off */
@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;
  }
}

/* ==========================================================================
   Typography Base
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading), var(--font-chinese);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

h1 {
  font-family: var(--font-display), var(--font-chinese);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tighter);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Lead text */
.lead {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Small text */
small,
.text-sm {
  font-size: var(--text-sm);
}

.text-xs {
  font-size: var(--text-xs);
}

/* Links */
a:not([class]) {
  color: var(--color-accent);
  transition: color var(--duration-fast) var(--ease-out);
}

a:not([class]):hover {
  color: var(--color-accent-dark);
}

/* Strong emphasis */
strong,
b {
  font-weight: var(--font-semibold);
}

/* Code */
code,
kbd,
samp,
pre {
  font-family: var(--font-mono);
}

code {
  padding: var(--space-1) var(--space-2);
  background: var(--color-secondary-light);
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  color: var(--color-accent-dark);
}

pre {
  padding: var(--space-4);
  background: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

pre code {
  padding: 0;
  background: none;
}

/* Blockquote */
blockquote {
  padding-left: var(--space-6);
  border-left: 4px solid var(--color-accent);
  font-style: italic;
  color: var(--color-text-secondary);
}

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

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Screen reader only */
.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;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: var(--font-semibold);
  text-decoration: none;
  border-radius: var(--radius-lg);
  z-index: var(--z-max);
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 2px;
}

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text colors */
.text-white { color: var(--color-white); }
.text-dark { color: var(--color-text-primary); }
.text-gray { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Font weights */
.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Display utility */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Scrollbar styling - Light theme */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-gray-300) var(--color-primary-dark);
}