/* Dashboard Layout */
.dashboard {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--sidebar-bg);
    color: white;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid #333;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.sidebar-header h2 {
    font-size: 24px;
}

.heyou-icon {
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: #aaa;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: white;
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    margin-right: 12px;
}

.nav-item.disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: not-allowed;
}

.nav-item.logout {
    margin-top: auto;
    border-top: 1px solid #333;
    color: #ff6b6b;
}

.nav-item.logout:hover {
    background: #4a1a1a;
}

/* Main Content Area */
.main-content {
    flex: 1;
    min-width: 0;
    padding: 40px;
    background: var(--bg-light);
    overflow-y: auto;
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 28px;
    color: var(--text-primary);
}