@font-face {
  font-family: 'ATSChikkamagaluru';
  src: url('../ATSChikkamagaluru-Regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --text-color: #000;
  --bg-color: #fff;
  --border-color: #000;
  --opacity-low: 0.6;
  --opacity-hover: 0.05;
}

body.dark {
  --text-color: #fff;
  --bg-color: #000;
  --border-color: #fff;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'ATSChikkamagaluru', sans-serif;
  color: var(--text-color);
  background: var(--bg-color);
  margin: 0;
  padding: 0;
  line-height: 1.7;
  transition: background 0.3s ease, color 0.3s ease;
}

body, html {
  height: 100%;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.header h1 {
  font-size: 24px;
  font-weight: bold;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.theme-toggle:hover {
  opacity: 1;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  flex: 1;
}

.post-card {
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.post-card.loaded {
  opacity: 1;
  transform: translateY(0);
}

.post-card:hover {
  opacity: calc(1 - var(--opacity-hover));
  transform: translateY(-2px);
}

.post-date {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: var(--opacity-low);
  margin-bottom: 0.5rem;
  font-variant: small-caps;
}

.post-title {
  font-size: 20px;
  font-weight: bold;
  margin: 0 0 0.5rem 0;
  line-height: 1.3;
}

.post-subtitle {
  font-size: 14px;
  opacity: var(--opacity-low);
  margin: 0 0 1rem 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  font-size: 12px;
  border-radius: 0;
  transition: opacity 0.3s ease;
}

.tag:hover {
  opacity: calc(1 - var(--opacity-hover));
}

.footer {
  margin-top: auto;
  padding-top: 3rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 12px;
  opacity: var(--opacity-low);
}

@media (min-width: 768px) {
  .post-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

/* Theme toggle SVG icons */
.moon {
  display: block;
}

.sun {
  display: none;
}

body.dark .moon {
  display: none;
}

body.dark .sun {
  display: block;
}

/* Focus styles for accessibility */
button:focus,
.post-card:focus {
  outline: 1px dotted var(--border-color);
  outline-offset: 2px;
}

.hero {
  text-align: center;
  margin: 3rem 0;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
}

.hero h2 {
  font-size: 36px;
  font-weight: bold;
  margin: 0 0 1rem 0;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero p {
  font-size: 16px;
  opacity: var(--opacity-low);
  margin: 0;
  max-width: 600px;
  margin: 0 auto;
}