/* Giao dien quan tri: cung bo cuc voi phan mem Quan ly danh gia kiem dinh chat luong,
   mau chu dao lay tu hvpnvn.edu.vn */
:root {
  --primary: #2387E3;
  --primary-dark: #1C75BC;
  --primary-light-bg: #e8f2fc;
  --navy: #334862;
  --brand-red: #DA1919;
  --accent-orange: #FFA827;
  --accent: #1e8e3e;
  --accent-light-bg: #e6f4ea;
  --danger: #d93025;
  --danger-light-bg: #fdecea;
  --warn: #97650d;
  --warn-light-bg: #fdf3d9;
  --bg: #f3f6fa;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1f2937;
  --text-muted: #64748b;
  --soft: #f7f9fc;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
}
h1, h2, h3, h4 { color: var(--navy); line-height: 1.3; text-wrap: balance; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
a { color: var(--primary); }
code, .mono { font-family: Consolas, "JetBrains Mono", monospace; font-size: .86em; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }

/* ---- Thanh tren cung ---- */
.topbar {
  display: flex; flex-direction: column; gap: 10px;
  background: #fff; padding: 14px 24px 10px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.05);
}
.topbar-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; line-height: 1.3; text-decoration: none; }
.logo-mark { width: 42px; height: 42px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .7rem; letter-spacing: .02em; flex: none; overflow: hidden; }
.logo-mark img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.brand-sub { font-size: 0.76rem; color: var(--brand-red); text-transform: uppercase; letter-spacing: 0.03em; font-weight: 700; }
.brand-main { font-weight: 700; font-size: 1.05rem; color: var(--primary); }
.nav-links { display: flex; gap: 4px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 8px; }
.nav-links a { color: var(--text-muted); text-decoration: none; padding: 6px 12px; border-radius: 6px; font-size: 0.9rem; font-weight: 500; position: relative; }
.nav-links a:hover, .nav-links a.active { background: var(--primary-light-bg); color: var(--primary); font-weight: 600; }
.nav-links .count { display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 4px; border-radius: 9px; background: var(--accent-orange); color: #3a2400; font-size: .72rem; font-weight: 700; text-align: center; line-height: 18px; }
/* Mot muc menu gom nhieu trang: lien ket dang vien thuoc (pageTabs) */
.ptabs { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: var(--soft, #eef2f6); margin: 0 0 14px; flex-wrap: wrap; }
.ptabs a { padding: 6px 14px; border-radius: 999px; text-decoration: none; color: var(--text-muted); font-size: .88rem; font-weight: 500; }
.ptabs a:hover { color: var(--primary); }
.ptabs a.active { background: #fff; color: var(--primary); font-weight: 600; box-shadow: 0 1px 3px rgba(16, 24, 40, .12); }
/* Nut "?" Huong dan o dau trang */
.help-btn { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--border); display: inline-grid; place-items: center; text-decoration: none; color: var(--primary); font-weight: 700; background: #fff; flex: none; }
.help-btn:hover, .help-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
/* Nhom menu tha xuong (Cai dat › Menu & ten goi) */
.nav-group { position: relative; }
.nav-gbtn { background: none; border: 0; font: inherit; color: var(--text-muted); padding: 6px 12px; border-radius: 6px; font-size: 0.9rem; font-weight: 500; cursor: pointer; display: inline-flex; align-items: center; gap: 2px; }
.nav-gbtn .car { font-size: .7rem; margin-left: 4px; opacity: .7; }
.nav-gbtn:hover, .nav-group.active > .nav-gbtn, .nav-group.open > .nav-gbtn { background: var(--primary-light-bg); color: var(--primary); font-weight: 600; }
.nav-menu { display: none; position: absolute; top: calc(100% + 4px); left: 0; z-index: 60; min-width: 230px; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 8px 24px rgba(15, 23, 42, .14); padding: 6px; flex-direction: column; gap: 2px; }
.nav-group.open > .nav-menu { display: flex; }
.nav-menu a { display: block; white-space: nowrap; }
.nav-toggle { display: none; background: #fff; border: 1px solid var(--border); color: var(--text); font-size: 1.2rem; line-height: 1; padding: 6px 10px; border-radius: 6px; cursor: pointer; }
.user-box { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; flex-wrap: wrap; color: var(--text-muted); }
.btn-link { background: none; border: none; color: var(--primary); text-decoration: underline; cursor: pointer; font-size: 0.85rem; font-family: inherit; padding: 0; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
@media (max-width: 860px) {
  .topbar { padding: 12px 16px; }
  .nav-toggle { display: block; }
  .nav-links { display: none; flex-direction: column; width: 100%; gap: 2px; border-top: none; padding-top: 0; }
  .nav-links.open { display: flex; border-top: 1px solid var(--border); padding-top: 8px; }
  .nav-links a { padding: 10px 12px; }
  .nav-gbtn { width: 100%; padding: 10px 12px; justify-content: flex-start; }
  .nav-menu { position: static; box-shadow: none; border: 0; border-left: 2px solid var(--border); border-radius: 0; margin-left: 12px; min-width: 0; padding: 0 0 0 6px; }
  .nav-menu a { white-space: normal; }
  .container { padding: 16px; }
}

/* ---- The noi dung ---- */
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 18px; box-shadow: 0 1px 3px rgba(16, 24, 40, 0.05); }
.card h2, .card h3 { margin-top: 0; }
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.stat { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.stat .num { font-size: 1.7rem; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat .label { color: var(--text-muted); font-size: 0.82rem; }
.stat .sub { color: var(--text-muted); font-size: 0.76rem; margin-top: 2px; }
.stat.warn .num { color: var(--warn); }
.stat.danger .num { color: var(--danger); }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-muted); font-weight: 600; font-size: 0.76rem; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: #fafbfc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.actions { white-space: nowrap; text-align: right; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 0.76rem; font-weight: 600; white-space: nowrap; }
.badge-blue { background: var(--primary-light-bg); color: var(--primary-dark); }
.badge-green { background: var(--accent-light-bg); color: var(--accent); }
.badge-gray { background: #eceff2; color: var(--text-muted); }
.badge-red { background: var(--danger-light-bg); color: var(--danger); }
.badge-yellow { background: var(--warn-light-bg); color: var(--warn); }

.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--primary); color: #fff; border: 1px solid var(--primary); padding: 8px 15px; border-radius: 7px; cursor: pointer; font-size: 0.9rem; font-family: inherit; text-decoration: none; line-height: 1.3; }
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover { background: var(--primary-light-bg); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #9c2c20; border-color: #9c2c20; }
.btn-ghost { background: none; border-color: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--soft); color: var(--text); border-color: var(--border); }
.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 0.92rem; font-family: inherit; background: #fff; color: var(--text); }
textarea { min-height: 90px; resize: vertical; }
input[type=checkbox], input[type=radio] { width: auto; }
label { display: block; font-size: 0.84rem; color: var(--text-muted); margin: 12px 0 4px; font-weight: 600; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--text); margin: 8px 0; }
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; min-width: 0; }
@media (max-width: 700px) { .form-row { flex-direction: column; gap: 0; } }

.error-box { background: var(--danger-light-bg); color: var(--danger); padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 0.88rem; }
.warn-box { background: var(--warn-light-bg); color: var(--warn); padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 0.88rem; }
.info-box { background: var(--primary-light-bg); color: var(--primary-dark); padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 0.88rem; }
.hint { color: var(--text-muted); font-size: 0.8rem; margin-top: 4px; }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.empty { text-align: center; color: var(--text-muted); padding: 28px 10px; font-size: .92rem; }

.progress-bar { background: #e9edf2; border-radius: 999px; height: 8px; overflow: hidden; }
.progress-bar > div { background: var(--primary); height: 100%; }
.progress-bar.warn > div { background: var(--accent-orange); }
.progress-bar.danger > div { background: var(--danger); }

.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tabs button { background: none; border: none; padding: 10px 16px; cursor: pointer; font-size: 0.92rem; font-family: inherit; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.toast { position: fixed; bottom: 20px; right: 20px; background: #1f2937; color: #fff; padding: 10px 16px; border-radius: 8px; opacity: 0; transform: translateY(10px); transition: all 0.25s; z-index: 1000; font-size: 0.9rem; max-width: calc(100vw - 40px); }
.toast.show { opacity: 1; transform: translateY(0); }
.toast-error { background: var(--danger); }

.modal-overlay { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45); display: flex; align-items: center; justify-content: center; z-index: 998; padding: 16px; }
.modal-box { background: #fff; border-radius: 12px; padding: 22px; max-width: 720px; width: 100%; max-height: 88vh; overflow: auto; }
.modal-box h3 { margin-top: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; flex-wrap: wrap; }
.modal-close { float: right; background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--text-muted); }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); padding: 16px; }
.login-card { background: #fff; padding: 34px; border-radius: 14px; width: 400px; max-width: 100%; box-shadow: 0 20px 50px rgba(0,0,0,0.25); }
@media (max-width: 420px) { .login-card { padding: 24px; } }
.login-card h1 { font-size: 1.15rem; text-align: center; margin: 8px 0 4px; }
.login-card .subtitle { text-align: center; color: var(--text-muted); font-size: 0.86rem; margin-bottom: 18px; }
.login-card .logo-mark { margin: 0 auto; width: 56px; height: 56px; font-size: .85rem; }
.divider { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: .8rem; margin: 18px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.chip-list { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: #eef3fa; color: var(--primary-dark); padding: 3px 9px; border-radius: 999px; font-size: 0.78rem; }

/* The linh vuc */
.domain-card { display: flex; flex-direction: column; gap: 10px; }
.domain-card .head { display: flex; gap: 10px; align-items: center; }
.domain-dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.url-box { font-family: Consolas, monospace; font-size: .8rem; background: var(--soft); border: 1px dashed var(--border); border-radius: 7px; padding: 7px 9px; word-break: break-all; color: var(--navy); }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 4px 10px; font-size: .86rem; margin: 0; }
.kv dt { color: var(--text-muted); }
.kv dd { margin: 0; }

.code-box { font-family: Consolas, monospace; font-size: .78rem; background: var(--soft); border: 1px solid var(--border); border-radius: 8px; padding: 10px; white-space: pre-wrap; word-break: break-all; margin: 6px 0; }

.bars { display: flex; flex-direction: column; gap: 9px; font-size: .86rem; }
.bar-row { display: grid; grid-template-columns: 130px 1fr 60px; gap: 10px; align-items: center; }
.bar-row .v { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-muted); }
.spark { width: 100%; height: 110px; display: block; }

.chunk { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; font-size: .86rem; white-space: pre-wrap; }
.chunk .h { font-weight: 600; color: var(--primary-dark); margin-bottom: 4px; white-space: normal; }

.chat-log { display: flex; flex-direction: column; gap: 10px; }
.chat-log .msg { max-width: 85%; padding: 9px 12px; border-radius: 12px; font-size: .88rem; white-space: pre-wrap; }
.chat-log .msg.user { align-self: flex-end; background: var(--primary); color: #fff; }
.chat-log .msg.assistant { align-self: flex-start; background: var(--soft); border: 1px solid var(--border); }
.chat-log .meta { font-size: .72rem; color: var(--text-muted); margin-top: 4px; white-space: normal; }
.chat-log .msg.user .meta { color: rgba(255,255,255,.85); }

/* Chan trang: thong tin don vi (Cai dat › Cau hinh don vi) */
#org-footer { border-top: 1px solid var(--border); background: var(--card-bg); color: var(--text-muted); font-size: .82rem; line-height: 1.6; padding: 18px 24px; margin-top: 24px; }
.org-foot-in { max-width: 1200px; margin: 0 auto; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.org-foot-logo { height: 46px; width: auto; max-width: 140px; object-fit: contain; }
.org-foot-parent { font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; color: var(--brand-red); font-weight: 700; }
.org-foot-name { font-weight: 700; color: var(--navy); font-size: .9rem; }
.org-foot-note { margin-top: 2px; font-style: italic; }
.logo-mark.has-img { background: #fff; border: 1px solid var(--border); }

/* Menu con cua nhom "Linh vuc & kho tri thuc" */
.subnav-wrap { padding-top: 14px; padding-bottom: 0; }
.subnav { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 2px solid var(--border); }
.subnav a { color: var(--text-muted); text-decoration: none; padding: 8px 14px; font-size: .9rem; font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -2px; position: relative; }
.subnav a:hover { color: var(--primary); }
.subnav a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.subnav .count { display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 4px; border-radius: 9px; background: var(--accent-orange); color: #3a2400; font-size: .72rem; font-weight: 700; text-align: center; line-height: 18px; }

/* Thanh phan trang dung chung (pager() trong admin.js) */
.pager { display: flex; align-items: center; gap: 10px 16px; flex-wrap: wrap; justify-content: space-between; padding: 10px 2px 2px; font-size: .86rem; }
.pager .pg-info { color: var(--text-muted); }
.pager .pg-nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.pager .pg-nav button { min-width: 32px; height: 32px; padding: 0 8px; border: 1px solid var(--border); background: #fff; border-radius: 6px; cursor: pointer; font: inherit; color: var(--text); }
.pager .pg-nav button:hover:not([disabled]) { border-color: var(--primary); color: var(--primary); }
.pager .pg-nav button.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.pager .pg-nav button[disabled] { opacity: .4; cursor: default; }
.pager .pg-gap { padding: 0 4px; color: var(--text-muted); }
.pager .pg-size { display: inline-flex; align-items: center; gap: 6px; margin: 0; color: var(--text-muted); font-weight: 400; }
.pager .pg-size select { width: auto; margin: 0; padding: 4px 6px; font-size: .85rem; }