/* Giao diện theo nhận diện globaltopskills.com: nền xanh trời nhạt, chữ navy, đầu trang gradient cyan,
   thanh menu navy, thẻ trắng viền xanh nhạt bo 15px, nút xanh đậm + nút nhấn cyan. */
:root {
  --sans: "Be Vietnam Pro", Arial, Helvetica, sans-serif;
  --bg: #eaf6ff; --panel: #fff; --ink: #12314f; --muted: #486a84; --line: #b8dde9; --line-2: #d9eef6;
  --navy: #073757; --navy-2: #07547b; --deep: #06263f;
  --brand: #006f99; --brand-hover: #005a7d; --brand-2: #e3faff; --brand-ink: #063e5d;
  --cyan: #39dcff; --cyan-ink: #052238; --sky: #c9f6ff;
  --ok: #0f9d6b; --ok-2: #e3f8ef; --warn: #b7791f; --warn-2: #fff4dc;
  --bad: #d14343; --bad-2: #fdecec; --violet: #7c5cff; --violet-2: #efeaff; --teal: #0891a8; --teal-2: #dff6fa;
  --zalo: #0068ff; --radius: 15px; --shadow: 0 12px 32px rgba(27, 107, 147, .06);
  --header-bg: linear-gradient(110deg, #e5faff 0%, #bceef9 45%, #64cde9 100%);
  --nav-bg: linear-gradient(100deg, #073757, #07547b);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--sans); font-size: 14px; color: var(--ink); background: var(--bg); line-height: 1.5; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.25; color: var(--ink); }
h1 { font-size: 24px; font-weight: 650; letter-spacing: -.01em; } h2 { font-size: 17px; font-weight: 600; } h3 { font-size: 15px; font-weight: 600; }
.muted { color: var(--muted); } .small { font-size: 12px; } .nowrap { white-space: nowrap; }
.right { text-align: right; } .center { text-align: center; }
.hidden { display: none !important; }
code { background: var(--brand-2); color: var(--brand-ink); padding: 1px 5px; border-radius: 5px; font-size: 12px; }

/* ---------- Khung: đầu trang sáng + thanh menu navy ---------- */
.app-head { background: var(--header-bg); box-shadow: 0 3px 18px rgba(7, 101, 139, .08); }
.app-head .in { max-width: 1320px; margin: 0 auto; padding: 10px 24px; display: flex; align-items: center; gap: 16px; }
.logo-link { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none !important; }
.logo-link img { height: 52px; width: auto; display: block; }
.logo-link .tt { border-left: 1px solid rgba(8, 56, 84, .2); padding-left: 12px; }
.logo-link .tt b { display: block; font-size: 15px; letter-spacing: .02em; }
.logo-link .tt span { font-size: 12px; color: var(--muted); }
.app-head .sp { flex: 1; }
.who { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--brand-ink); }
.who .av { width: 34px; height: 34px; border-radius: 50%; background: var(--navy-2); color: #fff; display: grid; place-items: center; font-weight: 700; }
.who a { color: var(--brand-ink); font-size: 12px; }
.who .role { font-size: 11px; color: var(--muted); }
.app-nav { background: var(--nav-bg); position: sticky; top: 0; z-index: 30; }
.app-nav .in { max-width: 1320px; margin: 0 auto; padding: 7px 24px; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.app-nav .in::-webkit-scrollbar { display: none; }
.app-nav a { display: flex; align-items: center; gap: 7px; padding: 8px 13px; border-radius: 7px; color: #fff; font-size: 13px; font-weight: 500; white-space: nowrap; }
.app-nav a:hover { background: rgba(255, 255, 255, .1); text-decoration: none; }
.app-nav a.on { background: var(--sky); color: var(--brand-ink); font-weight: 600; box-shadow: 0 3px 12px rgba(0, 30, 52, .19); }
.app-nav .ico { font-size: 14px; }
.app-nav .badge { background: #ff6b6b; color: #fff; border-radius: 10px; font-size: 11px; padding: 0 7px; line-height: 18px; }
.main { max-width: 1320px; margin: 0 auto; padding: 22px 24px 40px; min-width: 0; }
.crumb { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.topbar h1 { margin: 0; flex: 1; }
.app-foot { background: linear-gradient(120deg, #06263f, #064963); color: #cfeaf7; border-radius: 18px; max-width: 1272px; margin: 0 auto 24px; padding: 16px 22px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; font-size: 12px; }
.app-foot b { color: #fff; } .app-foot a { color: var(--cyan); }
.app-foot .sp { flex: 1; }

/* ---------- Thẻ & lưới ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 16px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2, .card-head h3 { margin: 0; flex: 1; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: linear-gradient(125deg, #fff, #effaff); border: 1px solid var(--line); border-radius: 13px; padding: 14px 16px; position: relative; overflow: hidden; }
.kpi::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--brand); }
.kpi .v { font-size: 26px; font-weight: 700; margin-top: 2px; color: var(--ink); }
.kpi .l { color: var(--muted); font-size: 12px; }
.kpi.c1::before { background: var(--brand); } .kpi.c2::before { background: var(--ok); } .kpi.c3::before { background: var(--violet); }
.kpi.c4::before { background: var(--warn); } .kpi.c5::before { background: var(--cyan); } .kpi.c6::before { background: var(--bad); }

/* ---------- Nút ---------- */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid #99c7dc; background: #fff; color: #135779; padding: 8px 14px; border-radius: 7px; cursor: pointer; font: inherit; font-size: 13px; font-weight: 600; white-space: nowrap; transition: background .15s, box-shadow .15s; }
.btn:hover { background: #f1f8fc; text-decoration: none; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-hover); }
.btn.accent { background: var(--cyan); border-color: var(--cyan); color: var(--cyan-ink); box-shadow: 0 6px 28px rgba(0, 170, 255, .12); }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.danger { color: var(--bad); border-color: #f0c2c2; }
.btn.zalo { background: var(--zalo); border-color: var(--zalo); color: #fff; }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- Form ---------- */
label.f { display: block; margin-bottom: 12px; }
label.f > span { display: block; font-weight: 600; font-size: 13px; margin-bottom: 5px; }
label.f > small { display: block; color: var(--muted); margin-top: 4px; font-size: 12px; }
input, select, textarea { font: inherit; color: inherit; border: 1px solid #b7d6e4; border-radius: 8px; padding: 8px 11px; background: #fff; width: 100%; }
textarea { min-height: 84px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(57, 220, 255, .35); border-color: var(--brand); }
input[type=checkbox], input[type=radio] { width: auto; accent-color: var(--brand); }
.chk { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; cursor: pointer; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1 1 160px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters > * { width: auto; flex: 0 1 auto; min-width: 140px; }
.filters input[type=search] { min-width: 220px; flex: 1 1 220px; }

/* ---------- Bảng ---------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { padding: 10px; border-bottom: 1px solid var(--line-2); text-align: left; vertical-align: top; }
.tbl th { font-size: 12px; color: var(--brand-ink); font-weight: 600; background: #eef9ff; position: sticky; top: 0; }
.tbl tr:hover td { background: #f6fcff; }
.tbl tr.click { cursor: pointer; }
.tbl td .sub { color: var(--muted); font-size: 12px; }

/* ---------- Nhãn ---------- */
.tag { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; background: #eef4f8; color: #33536b; margin: 0 4px 3px 0; white-space: nowrap; }
.tag.blue { background: var(--brand-2); color: var(--brand-ink); } .tag.green { background: var(--ok-2); color: #0a6b49; }
.tag.orange { background: var(--warn-2); color: #8a5a10; } .tag.red { background: var(--bad-2); color: #a52a2a; }
.tag.violet { background: var(--violet-2); color: #5236c9; } .tag.teal { background: var(--teal-2); color: #066b7c; }
.tag.zalo { background: #e5f0ff; color: var(--zalo); }

/* ---------- Tab dạng viên ---------- */
.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { border: 1px solid #99c7dc; background: #fff; border-radius: 7px; padding: 7px 14px; cursor: pointer; font: inherit; font-size: 13px; font-weight: 600; color: #135779; }
.tabs button.on { background: var(--navy-2); color: #fff; border-color: var(--navy-2); box-shadow: 0 4px 15px rgba(9, 101, 135, .15); }

/* ---------- Hộp thoại ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(6, 38, 63, .45); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 50; overflow: auto; }
.modal { background: #fff; border-radius: 16px; width: 100%; max-width: 720px; box-shadow: 0 24px 60px rgba(6, 38, 63, .3); overflow: hidden; }
.modal.wide { max-width: 980px; }
.modal-h { display: flex; align-items: center; padding: 14px 18px; background: var(--header-bg); }
.modal-h h2 { margin: 0; flex: 1; }
.modal-b { padding: 18px; max-height: calc(100vh - 200px); overflow: auto; }
.modal-f { padding: 12px 18px; border-top: 1px solid var(--line-2); display: flex; gap: 8px; justify-content: flex-end; background: #f7fcff; }
.x { border: 0; background: none; font-size: 22px; cursor: pointer; color: var(--brand-ink); }

/* ---------- Thông báo nổi ---------- */
.toast { position: fixed; right: 18px; bottom: 18px; z-index: 100; display: flex; flex-direction: column; gap: 8px; }
.toast div { background: var(--deep); color: #fff; padding: 11px 15px; border-radius: 10px; box-shadow: var(--shadow); max-width: 380px; }
.toast div.err { background: var(--bad); } .toast div.ok { background: var(--ok); }

.empty { text-align: center; color: var(--muted); padding: 30px 10px; }
.note { background: #e3faff; border: 1px solid #a9e6f5; color: #0b4560; padding: 10px 13px; border-radius: 10px; margin-bottom: 14px; }
.note.warn { background: var(--warn-2); border-color: #f1d79a; color: #6f4708; }
.note.bad { background: var(--bad-2); border-color: #f0c2c2; color: #8a1c1c; }

/* ---------- Thanh tiến độ & biểu đồ ---------- */
.bar { height: 8px; background: #dcf0f8; border-radius: 6px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--cyan)); }
.hbars .r { display: grid; grid-template-columns: 150px 1fr 60px; gap: 10px; align-items: center; margin-bottom: 8px; }
.hbars .r .bar { height: 12px; }
.cols { display: flex; align-items: flex-end; gap: 3px; height: 120px; border-bottom: 1px solid var(--line); }
.cols i { flex: 1; background: linear-gradient(180deg, var(--cyan), var(--brand)); border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.cols i:hover::after { content: attr(data-t); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: var(--deep); color: #fff; font-size: 11px; padding: 3px 6px; border-radius: 4px; white-space: nowrap; font-style: normal; }

/* ---------- Sự kiện ---------- */
.ev-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.ev { background: linear-gradient(125deg, #fff, #f0faff); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); cursor: pointer; display: flex; flex-direction: column; gap: 8px; transition: transform .15s, border-color .15s; }
.ev:hover { border-color: var(--cyan); transform: translateY(-2px); }
.ev .t { font-weight: 650; font-size: 15px; }
.ev .meta { color: var(--muted); font-size: 12px; }
.qr-box { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 12px; display: inline-block; }
.qr-box svg { width: 240px; height: 240px; display: block; }
.poster-drop { border: 2px dashed #99c7dc; border-radius: 13px; background: #f4fbff; min-height: 130px; display: grid; place-items: center; cursor: pointer; overflow: hidden; text-align: center; }
.poster-drop:hover, .poster-drop.over { border-color: var(--brand); background: #e3faff; }
.poster-drop img { max-width: 100%; max-height: 320px; display: block; }
.poster-drop .ph { padding: 18px; color: var(--brand-ink); font-weight: 600; }
.poster-drop .ph small { display: block; font-weight: 400; color: var(--muted); margin-top: 6px; }
.poster-view { border: 1px solid var(--line); border-radius: 13px; overflow: hidden; background: #f4fbff; }
.poster-view img { width: 100%; max-height: 420px; object-fit: contain; display: block; }
.copy { display: flex; gap: 6px; }
.copy input { font-family: Consolas, monospace; font-size: 12px; }

/* ---------- Máy quét ---------- */
.scan-wrap { display: grid; grid-template-columns: minmax(0, 480px) 1fr; gap: 16px; }
.cam { position: relative; background: var(--deep); border-radius: 15px; overflow: hidden; aspect-ratio: 4/3; }
.cam video { width: 100%; height: 100%; object-fit: cover; }
.cam .frame { position: absolute; inset: 15%; border: 3px solid var(--cyan); border-radius: 14px; box-shadow: 0 0 0 999px rgba(6, 38, 63, .3); }
.scan-res { border-radius: 14px; padding: 18px; font-size: 16px; margin-bottom: 12px; }
.scan-res.ok { background: var(--ok-2); border: 2px solid var(--ok); }
.scan-res.again { background: var(--warn-2); border: 2px solid var(--warn); }
.scan-res.bad { background: var(--bad-2); border: 2px solid var(--bad); }
.scan-res b { font-size: 20px; }

/* ---------- Trùng lặp ---------- */
.dup { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dup .p { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: #f9fdff; }
.dup .p dl { display: grid; grid-template-columns: 80px 1fr; gap: 3px 8px; margin: 6px 0 0; font-size: 13px; }
.dup .p dt { color: var(--muted); }
.dup .p dd { margin: 0; word-break: break-word; }

.timeline { border-left: 2px solid var(--line); margin-left: 6px; padding-left: 14px; }
.timeline .it { position: relative; margin-bottom: 12px; }
.timeline .it::before { content: ''; position: absolute; left: -21px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.timeline .it.ok::before { background: var(--ok); }

/* ---------- Đăng nhập ---------- */
.login { min-height: 100vh; display: grid; place-items: center; background: var(--header-bg); padding: 16px; }
.login .card { width: 100%; max-width: 400px; padding: 28px; box-shadow: 0 24px 60px rgba(7, 101, 139, .18); }
.login .logo { display: block; height: 96px; margin: 0 auto 10px; }
.login .tt { text-align: center; margin-bottom: 18px; }
.login .tt b { display: block; font-size: 17px; } .login .tt span { color: var(--muted); font-size: 13px; }

@media (max-width: 900px) {
  .app-head .in { padding: 8px 14px; gap: 10px; }
  .logo-link img { height: 40px; }
  .logo-link .tt { display: none; }
  .who .nm, .who .role { display: none; }
  .app-nav .in { padding: 6px 10px; }
  .main { padding: 16px 14px 30px; }
  .app-foot { margin: 0 14px 16px; }
  .g2, .g3, .g4, .scan-wrap, .dup { grid-template-columns: 1fr; }
  .hbars .r { grid-template-columns: 110px 1fr 46px; }
}
@media print {
  .app-head, .app-nav, .app-foot, .topbar .btns, .no-print { display: none !important; }
  .main { padding: 0; } .card { box-shadow: none; }
}