body {
    background-color: #f0f3f5;
    font-family: Arial, sans-serif;
    font-size: 14px;
}
#wrapper {
    display: flex;
}
#sidebar-wrapper {
    min-height: 100vh;
    width: 250px;
    background-color: #fff;
    border-right: 1px solid #ddd;
}
.pos-button {
    display: block;
    background-color: #ff9800;
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    border-bottom: 1px solid #ddd;
}
.pos-button:hover {
    background-color: #f57c00;
    color: white;
}
#sidebar-wrapper .list-group-item {
    color: #555;
    border: none;
    padding: 1rem 1.25rem;
}
#sidebar-wrapper .list-group-item:hover {
    background-color: #f8f9fa;
    color: #2e59d9;
}
#sidebar-wrapper .list-group-item.active {
    background-color: #ff8100 !important;
    color: white;
    font-weight: bold;
}
#page-content-wrapper {
    flex: 1;
    min-width: 0;
    padding: 20px;
}

/* --- GIAO DIỆN TRANG SẢN PHẨM --- */
.page-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.page-title-bar h4 {
    color: #007bff;
}
.filter-bar {
    background-color: #fff;
    padding: 1rem;
    border-radius: 0.25rem;
    border: 1px solid #e3e6f0;
    margin-bottom: 1.5rem;
}
.filter-bar .form-control-sm {
    margin: 0 5px;
}
.filter-bar .form-inline {
    width: 100%;
}
#import-file-input {
    padding: 0.1rem;
    font-size: 0.8rem;
    width: 120px !important;
}

/* --- PANEL BẢNG DỮ LIỆU --- */
.table-panel {
    background-color: #fff;
    border-radius: 0.25rem;
    border: 1px solid #e3e6f0;
    padding: 1.5rem;
}
.dataTable {
    border-collapse: collapse !important;
}
.dataTable thead th {
    background-color: #f8f9fc;
    font-weight: 600;
    border-bottom: 2px solid #e3e6f0 !important;
    border-top: none !important;
}
.dataTable tbody tr {
    border-bottom: 1px solid #f0f3f5;
}
.dataTable tbody tr:last-child {
    border-bottom: none;
}
.dataTable td {
    vertical-align: middle;
}
.table-bordered td, .table-bordered th {
    border: none !important;
}
.no-image-placeholder {
    width: 50px; height: 50px; background-color: #e9ecef; color: #b0b5bb;
    font-size: 11px; font-weight: bold; display: flex; align-items: center;
    justify-content: center; border: 1px solid #dee2e6; border-radius: 0.25rem;
}

/* --- Chân bảng (Phân trang và Tổng số) --- */
.table-footer {
    background-color: #f8f9fc;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid #e3e6f0;
    border-radius: 0 0 0.25rem 0.25rem;
}
.dataTables_wrapper .bottom {
    display: flex;
    justify-content: flex-end; /* Đẩy phân trang qua phải */
    align-items: center;
    padding-top: 0.5rem;
}
.dataTables_paginate {
    padding: 0 !important;
}
#custom-summary-info {
    float: left;
    padding-top: 0.5rem;
}
