/* Base */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Lora", serif;
  letter-spacing: 0.04em;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px;
  display: grid;
  gap: 12px;
  grid-template-columns: 220px 1fr 220px;
  grid-template-areas:
    "header header header"
    "left   main   right"
    "footer footer footer";
}

.site-header {
  grid-area: header;
  padding: 10px;
  text-align: center;
  background: rgba(99, 200, 228, 0.5);
  border: 1px solid #777;
  border-radius: 8px;
}

.sidebar {
  padding: 12px;
  background: rgba(99, 200, 228, 0.5);
  border: 1px solid #777;
  border-radius: 12px;
}

.sidebar.left { grid-area: left; }
.sidebar.right { grid-area: right; }

.content {
  grid-area: main;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid #777;
  border-radius: 12px;
}

.site-footer {
  grid-area: footer;
  text-align: center;
  padding: 10px;
  border-top: 1px solid #ddd;
}

.menulist {
  margin: 6px 0 14px;
  padding: 0;
  list-style: none;
}

.menuitem {
  margin: 6px 0;
  padding: 4px 6px;
  background: #fff;
  border-radius: 6px;
}

.menuitem a { text-decoration: none; }
.menuitem a:hover { text-decoration: underline; }

.avatar {
  margin: 0;
  text-align: center;
}

.avatar img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

/* Responsive: stack sidebars under header on narrow screens */
@media (max-width: 900px) {
  .container {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "left"
      "main"
      "right"
      "footer";
  }
}