body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
}
.layout {
  display: flex;
  height: 100vh;
}
.sidebar {
  width: 260px;
  background-color: #1e1e2f;
  color: white;
  display: flex;
  flex-direction: column;
}
.logo {
  text-align: center;
  padding: 1rem;
}
.logo img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
}
.logo h2 {
  margin-top: 0.5rem;
}
.menu {
  list-style: none;
  padding: 0;
}
.menu li {
  border-top: 1px solid #333;
}
.menu a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  text-decoration: none;
  padding: 0.75rem 1rem;
  transition: background 0.3s;
}
.menu a:hover {
  background-color: #333;
}
.submenu {
  display: none;
  list-style: none;
  padding-left: 1.5rem;
  background-color: #2c2c3c;
}
.submenu li a {
  padding: 0.5rem 1rem;
  display: block;
}
.topbar {
  background-color: #c40000;
  color: white;
  padding: 1rem;
  display: flex;
  align-items: center;
}
.menu-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  margin-right: 1rem;
  cursor: pointer;
}
.page-title {
  margin: 0;
}
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.centered {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
.login-card {
  background: #f8f4fb;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  width: 300px;
}
.login-card h2 {
  margin-top: 0;
}
.login-card input {
  width: 100%;
  padding: 0.75rem;
  margin-top: 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}
.buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
}
.buttons button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
.buttons button:first-child {
  background-color: #ddd;
}
.buttons button:last-child {
  background-color: #c40000;
  color: white;
}