* {
    box-sizing: border-box;
}
body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    margin: 0;
    color: #111;
    background: #f7f7f8;
}
body a {
    text-decoration: none;
}
.container {
    max-width: 900px;
    margin: 10px auto;
    padding: 0 16px;
}

/* Logo Banner */
.logo-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    /*padding: 30px 20px;*/
    gap: 30px;
    background: #f0f9ff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(18, 101, 161, 0.1);
    /*border: 1px solid rgba(18, 101, 161, 0.15);*/
}

.logo-section {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.logo {
    max-width: 120px;
    height: auto;
    display: block;
}

.title-section {
    text-align: center;
    max-width: 400px;
}

.org-name {
    font-size: 22px;
    font-weight: 800;
    color: #1265a1;
    margin: 0 0 10px 0;
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.center-name {
    font-size: 20px;
    font-weight: 700;
    color: #0e4a8a;
    margin: 0;
    line-height: 1.3;
    letter-spacing: 0.3px;
}

h1 {
    font-size: 22px !important;
    margin: 0 0 16px !important;
    color: #7f1d1d !important;
    text-align: center !important;
    font-weight: 700 !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.combo {
    position: relative; /*max-width: 520px;*/
}
.input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d0d7de;
    border-radius: 8px;
    background: #fff;
    font-size: 16px;
    outline: none;
}
.input:focus {
    border-color: #0969da;
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}

.listbox {
    position: absolute;
    z-index: 10;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    max-height: 320px;
    overflow: auto;
    list-style: none;
    margin: 0;
    padding: 6px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(140, 149, 159, 0.2);
}
.listbox li {
    padding: 6px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
}
.listbox li:hover,
.listbox li[aria-selected="true"] {
    background: #f0f7ff;
}

/* Tree styles */
.tree-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.tree-toggle {
    width: 22px;
    height: 22px;
    border: 1px solid #d0d7de;
    background: #fff;
    color: #111;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
}
.tree-toggle[aria-expanded="true"] {
    background: #eef6ff;
    border-color: #b6d4fe;
}
.tree-label {
    flex: 1;
    flex-grow: 1;
}
.tree-label a {
    margin-right: auto;
    float: right;
    font-weight: bold;
}
.tree-children {
    margin: 6px 0 0 28px;
    padding: 0;
    list-style: none;
}
ul.tree-children li {
    padding: 6px 0px 6px 8px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center; /* Căn chỉnh theo chiều dọc */
}
ul.tree-children a {
    text-decoration: none;
    color: #007bff;
    white-space: nowrap;
}

/* Overlay */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.5);
    display: grid;
    place-items: center;
    z-index: 9999;
}
.overlay-card {
    background: #fff;
    width: 100%;
    max-width: 360px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    padding: 16px;
    display: grid;
    gap: 10px;
}
.overlay-card h2 {
    margin: 0 0 4px;
    font-size: 18px;
}
.overlay-card input {
    padding: 10px 12px;
    border: 1px solid #d0d7de;
    border-radius: 8px;
    font-size: 14px;
}
.overlay-card button {
    padding: 10px 12px;
    border: 1px solid #d0d7de;
    background: #111827;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
}
.overlay-card button:hover {
    background: #111;
}
.overlay-error {
    color: #b91c1c;
    font-size: 13px;
}
.overlay-hint {
    color: #6b7280;
    font-size: 12px;
    margin: 4px 0 0;
}

.results {
    margin-top: 20px;
}
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
}

.table th,
.table td {
    padding: 10px 12px;
    font-size: 16px;
    border-bottom: 1px solid #f0f2f5;
}

.table thead th {
    background: #f8fafc !important;
}

/* Tô màu họ tên thành màu xanh dương */
.table tbody td:first-child {
    color: #0969da;
    font-weight: 600;
}

/* Xen kẽ màu giữa các dòng */
.table tbody tr:nth-child(even) {
    background: #f8fafc !important;
}
.table tbody tr:nth-child(odd) {
    background: #ffffff !important;
}

.table tbody tr:hover {
    background: #f0f7ff !important;
    border-left: 3px solid #0969da !important;
}

.empty {
    padding: 16px;
    color: #6b7280;
}

/* Mặc định desktop */
.mobile {
    display: none;
}
.desktop {
    display: inline;
}

/* Trên màn hình nhỏ (mobile) */
@media (max-width: 768px) {
    .mobile {
        display: inline;
    }
    .desktop {
        display: none;
    }
}