:root {
  --bg: #ffffff;
  --text: #333333;
  --accent: #ff4f81;
  --card-bg: #f9f9f9;
}

[data-theme="dark"] {
  --bg: #1a1a1a;
  --text: #eeeeee;
  --accent: #ff9f43;
  --card-bg: #333333;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Fredoka', cursive, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  background-color: var(--card-bg);
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.site-title {
  margin: 0;
  color: var(--accent);
  font-size: 2rem;
  font-weight: 700;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition: color 0.3s ease;
}

.site-nav a:hover {
  color: var(--accent);
}

#search-input {
  padding: 0.5rem;
  border-radius: 20px;
  border: 1px solid var(--text);
  background: var(--bg);
  color: var(--text);
}

#search-btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.2s ease, background-color 0.3s ease;
}

#search-btn:hover {
  transform: scale(1.1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#theme-toggle {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.2s ease, background-color 0.3s ease;
}

#theme-toggle:hover {
  transform: scale(1.1);
}

#theme-toggle:focus {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.search-results {
  max-width: 1000px;
  margin: 1rem auto;
  padding: 1rem;
  background: var(--card-bg);
  border-radius: 15px;
}

main {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(135deg, var(--accent), var(--card-bg));
  color: #ffffff;
  border-radius: 15px;
  margin-bottom: 2rem;
}

.hero h2 {
  margin: 0 0 0.5rem;
  font-size: 2.5rem;
}

.hero p {
  margin: 0;
  font-size: 1.25rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.post {
  background: var(--card-bg);
  padding: 1.5rem;
  margin: 0;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.2s ease;
}

.post:hover {
  transform: translateY(-5px);
}

.post-title {
  margin-top: 0;
  color: var(--accent);
}

.site-footer {
  text-align: center;
  padding: 2rem 0;
  background: var(--card-bg);
}

@media (max-width: 600px) {
  .site-title {
    font-size: 1.5rem;
  }

  #theme-toggle {
    font-size: 0.875rem;
    padding: 0.4rem 0.8rem;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .hero {
    padding: 3rem 1rem;
  }

  .hero h2 {
    font-size: 2rem;
  }
}