/* ===================== SIDEBAR STYLES ===================== */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.sidebar {
  width: 250px;
  background-color: var(--sidebar-bg);
  border-right: none;
  display: flex;
  flex-direction: column;
  transition: width 0.3s ease, transform 0.3s ease;
  position: relative;
  z-index: 100;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
}

.sidebar-header {
  padding: 1.25rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  min-height: 64px;
  box-sizing: border-box;
}

.sidebar-logo-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #fff;
  transition: opacity 0.2s;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.sidebar-logo-link:hover {
  opacity: 0.85;
}

.sidebar-logo-icon {
  color: var(--sidebar-active);
  flex-shrink: 0;
}

.sidebar-header h2 {
  margin: 0;
  font-size: 1.3rem;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--sidebar-text);
  font-size: 1.25rem;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-toggle:hover {
  background-color: var(--sidebar-hover);
  border-color: transparent;
  color: #fff;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
}

.sidebar-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-menu li {
  margin: 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--sidebar-text);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
  cursor: pointer;
}

.sidebar-link:hover {
  background-color: var(--sidebar-hover);
  color: #e2e8f0;
}

.sidebar-link.active {
  background-color: rgba(13, 148, 136, 0.15);
  color: var(--sidebar-active);
  border-left: 3px solid var(--sidebar-active);
}

.sidebar-icon {
  font-size: 1.25rem;
  margin-right: 0.75rem;
  min-width: 1.5rem;
  text-align: center;
}

.sidebar-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Collapsed Sidebar State */
.sidebar.collapsed {
  width: 70px;
}

.sidebar.collapsed .sidebar-header h2,
.sidebar.collapsed .sidebar-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar.collapsed .sidebar-logo-link {
  flex: 0 0 auto;
  gap: 0;
}

.sidebar.collapsed .sidebar-header {
  padding: 1.25rem 0.5rem;
  justify-content: center;
}

.sidebar.collapsed .sidebar-icon {
  margin-right: 0;
}

/* Main Content Area */
.main-content {
  flex: 1;
  overflow-y: auto;
  background-color: #f0f4f8;
}

.main-content>div {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    transform: translateX(0);
  }

  .sidebar.collapsed {
    transform: translateX(-100%);
    width: 250px;
  }

  .main-content {
    margin-left: 0;
  }
}