*{box-sizing:border-box}body{margin:0;font:15px Arial,sans-serif;background:#f3f6fa;color:#1f2937}header{background:#075985;color:#fff;padding:14px 4%;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}.brand{font-size:20px;font-weight:bold}.brand span{font-size:12px;background:#fff;color:#075985;padding:3px 6px;border-radius:8px}nav{display:flex;gap:6px;flex-wrap:wrap}nav a{color:#fff;text-decoration:none;padding:8px 10px;border-radius:6px}nav a:hover{background:#0c4a6e}main{max-width:1400px;margin:22px auto;padding:0 16px;min-height:75vh}h1{color:#075985}.card{background:#fff;border-radius:10px;padding:20px;margin:16px 0;box-shadow:0 2px 12px #00000010}.narrow{max-width:520px;margin:50px auto}.filter{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.filter label{min-width:150px;flex:1}label{display:block;font-weight:600;margin:10px 0 5px}input,select{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:6px;background:#fff}button,.button{background:#0284c7;color:white;border:0;padding:10px 15px;border-radius:6px;text-decoration:none;cursor:pointer;display:inline-block}.secondary{background:#475569}.actions{display:flex;gap:8px;margin-top:15px}.alert{padding:12px;border-radius:7px;margin:10px 0}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}.muted{color:#64748b}.table{overflow:auto}table{border-collapse:collapse;width:100%;min-width:900px}th,td{border:1px solid #dbe3ea;padding:8px;text-align:left}th{background:#e0f2fe;position:sticky;top:0}.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.kpis div{background:#fff;padding:22px;border-radius:10px;box-shadow:0 2px 12px #00000010}.kpis b{display:block;font-size:28px;color:#0284c7}.kpis span{color:#64748b}.check{display:flex;gap:8px;align-items:center}.check input{width:auto}footer{text-align:center;color:#64748b;padding:24px}@media(max-width:700px){.kpis{grid-template-columns:1fr}header{align-items:flex-start}nav{width:100%}.filter{display:block}.filter button{margin-top:12px;width:100%}}
/* Menu cây */
nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-tree{position:relative;margin:0}
.nav-tree summary{list-style:none;cursor:pointer;padding:10px 12px;border-radius:8px;color:inherit;font-weight:600}
.nav-tree summary::-webkit-details-marker{display:none}
.nav-tree summary:after{content:' ▾';font-size:.8em}
.nav-tree[open] summary:after{content:' ▴'}
.nav-children{position:absolute;z-index:20;top:100%;left:0;min-width:220px;padding:7px;background:#fff;border:1px solid #d9e0e7;border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.nav-children a{display:block;color:#243447!important;padding:9px 10px;border-radius:6px;white-space:nowrap}
.nav-children a:hover{background:#eef5ff}
@media(max-width:760px){
 nav{display:block}
 .nav-tree{width:100%}
 .nav-tree summary{display:block}
 .nav-children{position:static;min-width:0;margin:0 8px 6px;box-shadow:none;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15)}
 .nav-children a{color:inherit!important;white-space:normal;padding-left:20px}
}
.inline-form{display:inline;margin:0}.danger{background:#dc2626}.small{padding:5px 9px;font-size:13px}.danger:hover{background:#b91c1c}td .inline-form{margin-left:6px}

.report-section h2{margin:0;padding:14px 16px;background:#eaf4fb;border-bottom:1px solid #c7ddeb;font-size:18px}.report-section{padding:0;overflow:hidden}.report-section table{margin:0}.core-indicator td{font-weight:700;background:#f7fbfe}.core-indicator td:nth-child(6){font-size:1.05em}

/* v2.4.1 - Bảng tổng hợp hỗ trợ xã */
.support-summary{min-width:2200px;border-collapse:collapse}
.support-summary th,.support-summary td{white-space:nowrap;text-align:center;vertical-align:middle}
.support-summary th:nth-child(2),.support-summary td:nth-child(2){text-align:left;min-width:180px;position:sticky;left:0;background:#fff;z-index:1}
.support-summary thead th{background:#eef7fd}
.support-summary .total-row td{background:#f4f8fb}

.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px;margin:14px 0}.checkbox-grid label{font-weight:400}.version-badge{font-size:12px;padding:3px 7px;border-radius:12px;background:#e0f2fe;color:#075985}

.pagination{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:14px 0}.pagination .active{font-weight:700;outline:2px solid currentColor}.pagination span{margin-left:6px}.total-row td{font-weight:700;background:#f3f6f9}

/* v3.0.5 - Bulk delete controls */
.danger-zone{border:1px solid #dc3545;background:#fff8f8}
.danger-zone h2{margin-top:0;color:#a61b29}
.bulk-delete-grid{display:grid;grid-template-columns:repeat(3,minmax(220px,1fr));gap:16px}
.bulk-delete-grid form{border:1px solid #f0c2c7;border-radius:8px;padding:14px;background:#fff}
.bulk-delete-grid label{display:block;margin-bottom:10px}
@media (max-width:900px){.bulk-delete-grid{grid-template-columns:1fr}}

/* v3.0.6 - Nhận diện hệ thống */
.brand-wrap{display:flex;flex-direction:column;gap:2px;min-width:220px}.brand-subtitle{font-size:12px;opacity:.9}.current-user{margin-top:7px;padding-top:7px;border-top:1px solid rgba(255,255,255,.25);display:flex;flex-direction:column;line-height:1.25}.current-user b{font-size:14px}.current-user small{font-size:12px;opacity:.85;font-weight:400}footer span{font-size:13px}@media(max-width:700px){.brand-wrap{width:100%}}


/* v3.0.6 rebrand hotfix - căn giữa nhận diện, chuyển thông tin người dùng xuống chân trang */
header{justify-content:center}
.brand-wrap{width:100%;align-items:center;text-align:center;min-width:0}
.brand{font-size:22px;letter-spacing:.2px}
.brand-subtitle{text-align:center;width:100%;margin-top:3px}
header nav{width:100%;justify-content:center}
.current-user{display:none!important}
footer b{display:block;color:#475569}
.footer-user{margin-top:7px;font-size:13px;color:#64748b}
@media(max-width:700px){header nav{justify-content:flex-start}.brand{font-size:19px}}

/* v3.0.10 - In trực tiếp công văn */
.debt-print-form{display:grid;grid-template-columns:90px minmax(150px,1fr);gap:6px;align-items:center;min-width:260px}
.debt-print-form input{margin:0}.debt-print-actions{grid-column:1/-1;display:flex;gap:6px;flex-wrap:wrap}.debt-print-actions button{white-space:nowrap}

/* v3.0.28 - Giao diện quản trị hiện đại theo mẫu đề xuất */
:root{--blue:#0759b7;--blue-dark:#0a4f9f;--nav:#0b2238;--nav2:#0d2d49;--bg:#f4f7fb;--border:#dce5ef;--text:#1f2937;--muted:#64748b}
body{background:var(--bg);color:var(--text);font-size:14px;padding-top:72px;padding-left:262px;min-height:100vh}
header{position:fixed;z-index:1000;top:0;left:0;right:0;height:72px;background:linear-gradient(135deg,#0a63c7,#084e9d);padding:0 22px;display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;box-shadow:0 1px 0 rgba(255,255,255,.08),0 2px 10px rgba(3,25,52,.18)}
.brand-wrap{width:auto;min-width:0;align-items:flex-start;text-align:left;gap:1px}.brand{font-size:21px;line-height:1.1;color:#fff}.brand span{margin-left:8px;background:#fff;color:#0b5db7;border-radius:12px;padding:3px 8px;font-size:11px}.brand-subtitle{width:auto;text-align:left;font-size:12px;color:#eaf4ff;margin-top:4px}
.topbar-user{margin-left:auto;display:flex;align-items:center;gap:9px;color:#fff;text-align:left;line-height:1.2}.topbar-user b{display:block;font-size:14px}.topbar-user small{display:block;margin-top:3px;font-size:12px;opacity:.9}.user-avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0b5db7;font-size:18px}
header nav{position:fixed;top:72px;left:0;bottom:0;width:262px;padding:15px 10px 22px;background:linear-gradient(180deg,#0b2238,#0a1d30);display:block;overflow-y:auto;box-shadow:2px 0 12px rgba(15,23,42,.08)}
header nav>a,header nav .nav-tree>summary{display:block;width:100%;color:#f8fbff!important;text-decoration:none;border-radius:7px;padding:11px 12px;margin:3px 0;font-weight:500;transition:.15s background,.15s color}
header nav>a:hover,header nav>a.active,header nav .nav-tree[open]>summary{background:#0b62c4;color:#fff!important}
.nav-tree{position:static;width:100%;margin:0}.nav-tree summary{list-style:none}.nav-tree summary:after{float:right;color:#cde1f7}.nav-children{position:static!important;display:block;min-width:0;margin:0 0 4px 9px;padding:0 0 0 8px;background:transparent;border:0;border-left:1px solid #1b4d77;border-radius:0;box-shadow:none}.nav-tree:not([open]) .nav-children{display:none}.nav-children a{display:block;color:#dce9f6!important;padding:9px 12px;border-radius:6px;white-space:normal;font-size:13px}.nav-children a:hover,.nav-children a.active{background:#123f66;color:#fff!important}
main{max-width:none;margin:0;padding:22px 20px 34px;min-height:calc(100vh - 120px)}
h1{margin:0 0 16px;color:#161f2b;font-size:24px;text-transform:none}.card{border:1px solid #e5edf5;border-radius:8px;padding:16px;margin:14px 0;box-shadow:0 3px 14px rgba(15,23,42,.045)}.card h2{font-size:16px;margin:0 0 12px;color:#17212e}
input,select{border:1px solid #d2dce8;border-radius:5px;padding:10px 11px;outline:none}input:focus,select:focus{border-color:#2e7fd3;box-shadow:0 0 0 3px rgba(46,127,211,.09)}
button,.button{border-radius:5px;background:#0b5fbd;padding:10px 15px;font-weight:600;box-shadow:none}.button.secondary,.secondary{background:#fff;color:#334155;border:1px solid #ccd7e4}.danger{background:#fff;color:#dc2626;border:1px solid #ef4444}.danger:hover{background:#fff5f5;color:#b91c1c}
.alert.success{background:#eaf6ff;color:#155a92;border:1px solid #b9dcf5}.alert.error{border:1px solid #fecaca}
.table{padding:0;overflow:auto}.table table{margin:0;min-width:1050px}.table th{position:sticky;top:0;background:#eef6fd;color:#273444;font-size:12px;text-align:center;padding:10px 8px}.table td{background:#fff;padding:10px 8px;vertical-align:middle}.table tr:hover td{background:#fbfdff}
.pagination{justify-content:flex-end}.pagination a,.pagination span{min-width:36px;text-align:center;padding:8px 10px;border:1px solid #dce4ed;border-radius:4px;background:#fff;text-decoration:none;color:#334155}.pagination .active{background:#0b5fbd;color:#fff;border-color:#0b5fbd;outline:0}
footer{margin-left:0;background:#0a1d30;color:#dce8f4;padding:15px 20px;text-align:center;min-height:48px}footer b{display:none}.footer-user{margin:0;color:#eef6ff;font-size:13px}
.unit-tabs{display:flex;gap:6px;background:#fff;border:1px solid #e5edf5;border-radius:8px 8px 0 0;padding:0 14px;margin-bottom:-1px;overflow-x:auto}.unit-tabs a{padding:13px 12px;text-decoration:none;color:#334155;border-bottom:2px solid transparent;white-space:nowrap}.unit-tabs a:hover,.unit-tabs a.active{color:#0b5fbd;border-bottom-color:#0b5fbd;font-weight:700}
#unit-import{border-radius:0 0 8px 8px;margin-top:0}.filter{gap:10px}.filter label{min-width:180px}.grid{gap:12px}
.kpis div{border:1px solid #e3ebf4;border-radius:8px;box-shadow:0 3px 14px rgba(15,23,42,.04)}
@media(max-width:980px){body{padding-left:0;padding-top:66px}header{height:66px;padding:0 14px}.brand{font-size:18px}.topbar-user small{display:none}.user-avatar{width:32px;height:32px}header nav{top:66px;transform:translateX(-100%);transition:transform .2s}.brand-subtitle{font-size:11px}main{padding:16px 12px}.table table{min-width:980px}footer{margin-left:0}.unit-tabs{margin-top:4px}}

/* Hỗ trợ xã lập danh sách - menu backend */
nav .nav-subtree{margin:0 0 4px 0;padding:0 0 0 8px;border-left:1px solid rgba(255,255,255,.18);}
nav .nav-subtree>summary{padding:9px 14px 9px 20px;cursor:pointer;color:#dce9f7;list-style:none;font-weight:500;}
nav .nav-subtree>summary::-webkit-details-marker{display:none;}
nav .nav-subtree>summary:after{content:"▾";float:right;font-size:11px;opacity:.7;}
nav .nav-subtree:not([open])>summary:after{content:"▸";}
nav .nav-subchildren{padding-left:8px !important;}
nav .nav-subchildren a{padding-left:28px !important;font-size:13px;}

.alert.warning{background:#fff7ed;color:#9a3412;border:1px solid #fdba74}.duplicate-warning{border:2px solid #f59e0b;background:#fffbeb}.duplicate-warning h2{color:#92400e;margin-top:0}.duplicate-warning table th{background:#fef3c7}