body {
  font-family: Arial, sans-serif;
  background: #fafafa;
  color: #222;
  margin: 0;
  padding: 0;
}

header {
  background: #333;
  color: #fff;
  padding: 15px 20px;
}

header h1 {
  margin: 0;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin-right: 10px;
}
.active {
  text-decoration: underline;
}

main {
  padding: 20px;
}

#posts-container article {
  background: #fff;
  border: 1px solid #ddd;
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 15px;
}

#posts-container h2 {
  margin-top: 0;
}

form {
  background: #fff;
  border: 1px solid #ccc;
  padding: 20px;
  border-radius: 6px;
  max-width: 600px;
  margin: auto;
}

label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

input, textarea {
  width: 100%;
  margin-top: 5px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  margin-top: 15px;
  background: #333;
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background: #555;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  color: #555;
}
/* Always-visible floating Create button */
.fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  text-decoration: none;
  font-size: 28px;
  line-height: 1;
  border-radius: 50%;
  background: var(--accent, #5aa9ff);
  color: #000;
  border: 1px solid var(--border, #263140);
  box-shadow: 0 6px 24px rgba(0,0,0,.25);
  transition: transform .08s ease, filter .12s ease;
  z-index: 999;
}
.fab:hover { filter: brightness(1.05); }
.fab:active { transform: translateY(1px); }