/* Layout base */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
}
.sidebar-brand {
  padding: 1.25rem 1.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.sidebar-brand span { color: #E8C87A; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 0.75rem 0; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav a.active { background: rgba(255,255,255,0.1); color: #fff; border-left-color: var(--primary); }
.sidebar-nav .nav-label {
  padding: 0.5rem 1.5rem 0.25rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.35);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background: #F2A6A6;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 50;
}
.header-left { display: flex; align-items: center; gap: 1rem; color: #fff; }
.header-right { display: flex; align-items: center; gap: 1.5rem; }
.header-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: #fff;
}
.header-user .avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}
.header-user .user-info { line-height: 1.3; }
.header-user .user-name { font-weight: 600; color: #fff; }
.header-user .user-role { font-size: 0.75rem; color: rgba(255,255,255,0.7); }
.header .btn-secondary { background: rgba(255,255,255,0.2); color: #fff; border-color: rgba(255,255,255,0.3); }
.header .btn-secondary:hover { background: rgba(255,255,255,0.35); }

/* Main content */
.main {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  padding: 1.5rem 2rem;
  flex: 1;
  min-height: calc(100vh - var(--header-height));
}

/* Page header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; }
.page-header p { color: var(--text-secondary); font-size: 0.875rem; margin-top: 0.25rem; }