:root {
  --bg: #ffffff;
  --text: #111111;
  --primary: #E10600;
  --border: #e5e5e5;
}

[data-theme="dark"] {
  --bg: #0f0f0f;
  --text: #ffffff;
  --primary: #E10600;
  --border: #222222;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 50px;
}

.main-nav a {
  margin: 0 15px;
  text-decoration: none;
  color: var(--text);
}

.main-nav a:hover {
  color: var(--primary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

button {
  padding: 6px 10px;
  cursor: pointer;
}

.site-footer {
  margin-top: 50px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 14px;
}