.side-layout {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  display: flex;
  min-height: 400px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
}
.side-nav {
  width: 250px;
  background: #111827;
  color: white;
  transition: width 0.3s ease;
  display: flex;
  flex-direction: column;
}
.side-nav.collapsed {
  width: 70px;
}
.nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  height: 60px;
  box-sizing: border-box;
}
.logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  white-space: nowrap;
  overflow: hidden;
}
.side-nav.collapsed .logo-text {
  display: none;
}
.toggle-icon {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1.2rem;
}
.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links li a {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  color: #9ca3af;
  text-decoration: none;
  gap: 15px;
  transition: background 0.2s;
  white-space: nowrap;
}
.nav-links li a:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.icon {
  font-size: 1.2rem;
  min-width: 30px;
}
.side-nav.collapsed .link-text {
  opacity: 0;
  pointer-events: none;
}
.content-area {
  flex: 1;
  padding: 30px;
  background: #f9fafb;
}

const sidebar = document.getElementById("sidebar");
const btn = document.getElementById("toggleBtn");

btn.addEventListener("click", () => {
  sidebar.classList.toggle("collapsed");
});