:root {
  --bero-primary: #6366f1;
  --bero-primary-dark: #4f46e5;
  --bero-secondary: #64748b;
  --bero-success: #10b981;
  --bero-danger: #ef4444;
  --bero-warning: #f59e0b;
  --bero-info: #3b82f6;
  --bero-bg-primary: #f8fafc;
  --bero-bg-secondary: #ffffff;
  --bero-text-primary: #1e293b;
  --bero-text-secondary: #64748b;
  --bero-text-light: #94a3b8;
  --bero-border: #e2e8f0;
  --bero-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.04);
  --bero-shadow-md: 0 4px 18px 0 rgb(0 0 0 / 0.07);
  --bero-radius-sm: 0.375rem;
  --bero-radius: 0.5rem;
  --bero-radius-lg: 0.75rem;
  --bero-sidebar-width: 260px;
  --bero-topbar-height: 64px;
}

/* Reset */
* {margin:0; padding:0; box-sizing:border-box;}
body {
  font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--bero-text-primary);
  background: var(--bero-bg-primary);
  min-height: 100vh;
}

/* Topbar */
.bero-topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--bero-topbar-height);
  background: var(--bero-bg-secondary);
  border-bottom: 1px solid var(--bero-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 1000;
  box-shadow: var(--bero-shadow-sm);
}
.bero-topbar-left, .bero-topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.bero-menu-toggle {
  background: none; border: none; font-size: 20px;
  color: var(--bero-text-secondary); cursor: pointer; padding: 0.5rem;
  border-radius: var(--bero-radius); transition: all 0.2s;
}
.bero-menu-toggle:hover { background: var(--bero-bg-primary); color: var(--bero-primary);}
.bero-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 20px; font-weight: 700; color: var(--bero-primary); }

/* Search */
.bero-search { position:relative; display: flex; align-items:center;}
.bero-search i { position:absolute; left:12px; color: var(--bero-text-light);}
.bero-search-input {
  padding: 8px 12px 8px 36px; border: 1px solid var(--bero-border); border-radius: 20px;
  background: var(--bero-bg-primary); width: 300px; transition: all 0.3s;
}
.bero-search-input:focus { outline:none; border-color: var(--bero-primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1);}
.bero-icon-btn {
  position:relative; background: none; border: none; padding:0.5rem; border-radius: var(--bero-radius); cursor: pointer;
  color: var(--bero-text-secondary); transition: all 0.2s;
}
.bero-icon-btn:hover { background: var(--bero-bg-primary); color: var(--bero-primary);}
.bero-badge {
  position: absolute; top: 4px; right: 4px; background: var(--bero-danger); color:white;
  font-size:10px; padding: 2px 6px; border-radius:10px; font-weight:600;
}

/* User Menu */
.bero-user-menu { position:relative;}
.bero-user-btn {
  display: flex; align-items: center; gap: 0.5rem; background: none; border: none; padding: 6px 12px;
  border-radius: var(--bero-radius); cursor: pointer; transition: all 0.2s;
}
.bero-user-btn:hover { background: var(--bero-bg-primary);}
.bero-dropdown {
  position:absolute; top:calc(100% + 8px); right:0; background: var(--bero-bg-secondary); border: 1px solid var(--bero-border);
  border-radius: var(--bero-radius); box-shadow: var(--bero-shadow-md); min-width:200px; display:none; z-index:1001;
}
.bero-user-menu:hover .bero-dropdown { display:block;}
.bero-dropdown a {
  display: flex; align-items: center; gap: 0.5rem; padding: 12px 16px; color: var(--bero-text-primary);
  text-decoration: none; transition: all 0.2s;
}
.bero-dropdown a:hover { background: var(--bero-bg-primary); color: var(--bero-primary);}
.bero-dropdown hr { border: none; border-top: 1px solid var(--bero-border); margin: 4px 0; }

/* Layout */
.bero-layout { display: flex; margin-top: var(--bero-topbar-height); min-height: calc(100vh - var(--bero-topbar-height)); }

/* Sidebar */
.bero-sidebar {
  width: var(--bero-sidebar-width); background: var(--bero-bg-secondary); border-right: 1px solid var(--bero-border);
  display: flex; flex-direction: column; position: fixed; left: 0; top: var(--bero-topbar-height); bottom: 0;
  overflow-y: auto; transition: all 0.3s; z-index: 999;
}
.bero-sidebar.collapsed { width: 70px; }
.bero-sidebar-content { flex: 1; padding: 1.5rem 0;}
.bero-menu-section { margin-bottom: 2rem; }
.bero-menu-title {
  padding: 0 1.5rem; margin-bottom: 0.5rem; font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--bero-text-light);
}
.bero-menu-item {
  display: flex; align-items: center; gap: 1rem; padding: 12px 1.5rem; color: var(--bero-text-secondary);
  text-decoration: none; transition: all 0.2s; position: relative; border-radius: 7px; margin: 2px 2px;
}
.bero-menu-item:hover { background: var(--bero-bg-primary); color: var(--bero-primary); }
.bero-menu-item.active, .bero-menu-item.active:hover, .bero-menu-item.active:focus {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #fff !important; font-weight: 700;
}
.bero-menu-item.active::before {
  content: ''; position: absolute; left: 0; top: 10%; bottom: 10%; width: 4px; border-radius: 3px; background: #fff;
}
.bero-menu-item i { font-size: 18px; width: 24px; text-align: center; color: inherit;}
.bero-menu-item.active i,
.bero-menu-item.active:hover i { color: #fff;}
.bero-menu-badge { margin-left: auto; background: var(--bero-bg-primary); color: var(--bero-text-secondary);
  font-size: 11px; padding: 2px 8px; border-radius: 10px; font-weight: 600;
}
.bero-sidebar-footer { padding: 1.5rem; border-top: 1px solid var(--bero-border);}
.bero-version { display: flex; align-items: center; gap: 0.5rem; color: var(--bero-text-light); font-size: 12px; }

/* Main Content */
.bero-main {
  flex: 1; margin-left: var(--bero-sidebar-width); padding: 2rem; transition: all 0.3s;
}
.bero-sidebar.collapsed ~ .bero-main { margin-left: 70px;}
/* Footer */
.bero-footer { background: var(--bero-bg-secondary); border-top: 1px solid var(--bero-border);
  padding: 1.5rem 2rem; margin-left: var(--bero-sidebar-width); transition: all 0.3s;
}
.bero-sidebar.collapsed ~ .bero-footer { margin-left: 70px; }
.bero-footer-content { display: flex; align-items: center; justify-content: space-between; }
.bero-footer-left { color: var(--bero-text-secondary); font-size: 13px; }
.bero-footer-right { display: flex; gap: 1.5rem; }
.bero-footer-right a { color: var(--bero-text-secondary); text-decoration: none; font-size: 13px; transition: color 0.2s;}
.bero-footer-right a:hover { color: var(--bero-primary); }

/* Responsive */
@media (max-width: 900px) {
  .bero-main { padding: 1rem; }
  .bero-content-container { padding: 1rem; }
}
@media (max-width: 768px) {
  .bero-sidebar { transform: translateX(-100%); }
  .bero-sidebar.open { transform: translateX(0);}
  .bero-main { margin-left: 0;}
  .bero-footer { margin-left: 0; }
  .bero-search-input { width: 150px;}
}


/* --- Assistant-added: collapsed sidebar icon-only behavior and active override --- */
.bero-sidebar.collapsed .bero-menu-item span,
.bero-sidebar.collapsed .bero-menu-group-btn span,
.bero-sidebar.collapsed .bero-menu-title {
  display: none !important;
}
.bero-sidebar.collapsed .bero-menu-item img,
.bero-sidebar.collapsed .bero-menu-item i {
  margin: 0 auto !important;
  display: block;
}
.bero-sidebar.collapsed .bero-menu-item { padding-left: 8px; padding-right: 8px; justify-content: center; }

.bero-menu-group-list { display: block; transition: max-height .25s ease; max-height: 9999px; overflow: hidden; }
.bero-menu-group-list:not(.open) { max-height: 0; padding: 0; margin: 0; }

.bero-menu-item.active,
.bero-menu-item.active:hover,
.bero-menu-item.active:focus {
  background: transparent !important;
  color: inherit !important;
  font-weight: normal !important;
  box-shadow: none !important;
}
.bero-menu-item.active::before { background: transparent !important; }