*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
height: 100%;
font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
background: var(--bg-main);
color: var(--text-main);
font-size: 14px;
line-height: 1.5;
-webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; }
ul { list-style: none; }
.admin-layout {
display: flex;
height: 100vh;
overflow: hidden;
}
.admin-sidebar {
width: var(--sidebar-width);
background: var(--bg-sidebar);
border-right: 1px solid var(--border);
display: flex;
flex-direction: column;
flex-shrink: 0;
transition: width var(--transition);
overflow: hidden;
z-index: 100;
}
.admin-sidebar.collapsed {
width: var(--sidebar-collapsed);
}
.sidebar-header {
height: var(--topbar-height);
display: flex;
align-items: center;
padding: 0 1rem;
border-bottom: 1px solid var(--border);
gap: 0.75rem;
flex-shrink: 0;
}
.sidebar-logo {
width: 32px;
height: 32px;
background: var(--accent);
border-radius: 6px;
display: flex;
align-items: center;
justify-content: center;
font-size: 0.85rem;
font-weight: 700;
color: #fff;
flex-shrink: 0;
}
.sidebar-title {
font-weight: 600;
font-size: 0.95rem;
color: var(--text-main);
white-space: nowrap;
overflow: hidden;
opacity: 1;
transition: opacity var(--transition);
}
.admin-sidebar.collapsed .sidebar-title {
opacity: 0;
width: 0;
}
.sidebar-nav {
flex: 1;
padding: 0.75rem 0;
overflow-y: auto;
overflow-x: hidden;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }
.nav-section-label {
font-size: 0.7rem;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--text-muted);
padding: 0.75rem 1.1rem 0.4rem;
white-space: nowrap;
overflow: hidden;
opacity: 1;
transition: opacity var(--transition);
}
.admin-sidebar.collapsed .nav-section-label {
opacity: 0;
}
.nav-item {
display: flex;
align-items: center;
gap: 0.75rem;
padding: 0.6rem 1rem;
margin: 0.1rem 0.5rem;
border-radius: var(--radius);
color: var(--text-sidebar);
transition: background var(--transition), color var(--transition);
white-space: nowrap;
overflow: hidden;
position: relative;
}
.nav-item:hover {
background: var(--bg-hover);
color: var(--text-main);
}
.nav-item.active {
background: var(--bg-active);
color: var(--accent);
font-weight: 500;
}
.nav-item.active::before {
content: "";
position: absolute;
left: 0;
top: 20%;
bottom: 20%;
width: 3px;
background: var(--accent);
border-radius: 0 2px 2px 0;
margin-left: -0.5rem;
}
.nav-icon {
width: 20px;
height: 20px;
flex-shrink: 0;
opacity: 0.8;
}
.nav-item:hover .nav-icon,
.nav-item.active .nav-icon { opacity: 1; }
.nav-label {
opacity: 1;
transition: opacity var(--transition);
font-size: 0.88rem;
}
.admin-sidebar.collapsed .nav-label {
opacity: 0;
width: 0;
}
.admin-sidebar.collapsed .nav-item {
justify-content: center;
}
.nav-divider {
height: 1px;
background: var(--border);
margin: 0.5rem 1rem;
}
.sidebar-footer {
border-top: 1px solid var(--border);
padding: 0.75rem 0;
flex-shrink: 0;
}
.sidebar-toggle {
display: flex;
align-items: center;
justify-content: center;
width: 32px;
height: 32px;
background: var(--bg-input);
border: 1px solid var(--border-light);
border-radius: var(--radius);
color: var(--text-muted);
transition: all var(--transition);
flex-shrink: 0;
}
.sidebar-toggle:hover {
background: var(--bg-hover);
color: var(--text-main);
border-color: var(--accent);
}
.admin-main {
flex: 1;
display: flex;
flex-direction: column;
overflow: hidden;
min-width: 0;
}
.admin-topbar {
height: var(--topbar-height);
background: var(--bg-card);
border-bottom: 1px solid var(--border);
display: flex;
align-items: center;
padding: 0 1.5rem;
gap: 1rem;
flex-shrink: 0;
}
.topbar-breadcrumb {
display: flex;
align-items: center;
gap: 0.5rem;
color: var(--text-muted);
font-size: 0.85rem;
flex: 1;
}
.topbar-breadcrumb a:hover { color: var(--accent); }
.topbar-breadcrumb span { color: var(--text-main); font-weight: 500; }
.breadcrumb-sep { opacity: 0.4; }
.topbar-user {
display: flex;
align-items: center;
gap: 0.6rem;
padding: 0.4rem 0.75rem;
border-radius: var(--radius);
background: var(--bg-input);
color: var(--text-muted);
font-size: 0.82rem;
transition: background var(--transition);
}
.topbar-user:hover {
background: var(--bg-hover);
color: var(--text-main);
}
.user-avatar {
width: 28px;
height: 28px;
border-radius: 50%;
background: var(--accent);
display: flex;
align-items: center;
justify-content: center;
font-size: 0.75rem;
font-weight: 600;
color: #fff;
}
.admin-content {
flex: 1;
overflow-y: auto;
padding: 1.75rem;
}
.admin-content::-webkit-scrollbar { width: 6px; }
.admin-content::-webkit-scrollbar-track { background: transparent; }
.admin-content::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
.page-header {
display: flex;
align-items: center;
justify-content: space-between;
margin-bottom: 1.5rem;
gap: 1rem;
}
.page-title {
font-size: 1.35rem;
font-weight: 600;
color: var(--text-main);
}
.page-subtitle {
font-size: 0.85rem;
color: var(--text-muted);
margin-top: 0.2rem;
}