/* ============================================================
   TEK ACCESS CONTROL — component bổ sung cho tek.css
   Nạp SAU tek.css:  <link rel="stylesheet" href="../shared/css/ac.css">
   Giữ nguyên tông TEK (navy #1F3864, chip viền mảnh, bo nhỏ, bóng nhẹ).
   Không gradient sặc sỡ, không glassmorphism.

   MỤC LỤC (tiền tố ac-)
    1. Bảng màu trạng thái cửa ...... .ac-ds-<state>, .ac-door, .ac-door-grid, .ac-ds-sw
    2. Avatar chủ thẻ ................ .ac-avatar.sm|md|lg|xl
    3. Tìm kiếm toàn cục (topbar) .... .ac-gsearch, .ac-gsearch-res
    4. Luồng sự kiện LIVE ............ .ac-feed, .ac-ev
    5. Cây topology controller ...... .ac-topo, .ac-topo-node (.n-ctl .n-bus .n-mod .n-door .n-rdr .n-io), .ac-sdot
    6. Kiểm tra I/O .................. .ac-io-grid, .ac-io (input), .ac-relay (relay toggle), .ac-led
    7. Quét mạng ..................... .ac-scan, .ac-scan-bar
    8. Bảng bit định dạng thẻ ........ .ac-bitgrid, .ac-bit (.b-p .b-fc .b-id .b-x .sel), .ac-bitlegend
    9. Canvas workflow (kiểu N8N) .... .ac-wf, .ac-wf-palette, .ac-wf-pitem, .ac-wf-canvas, .ac-wf-node, .ac-wf-port, .ac-wf-edges, .ac-runs
   10. Sơ đồ mặt bằng ................ .ac-fp, .ac-fp-svg, .ac-fp-door, .ac-fp-pop
   11. Bảng công NV × ngày ........... .ac-ts, .ts-P .ts-half .ts-V .ts-PN .ts-O .ts-L .ts-CT .ts-OFF .ts-future
   12. Lưới lịch tuần 7 × 24 ......... .ac-week, .ac-week .c.on
   13. Ma trận quyền ................. .ac-matrix
   14. Báo động & ưu tiên ............ .ac-prio-1..4, .ac-sop
   15. Controller: nguồn, thanh, hàng đợi .. .ac-power, .ac-bar, .ac-cmd
   16. Vùng nguy hiểm, xác thực ...... .ac-danger-zone, .ac-hd-danger, .ac-otp, .ac-otp-input
   17. Chế độ bảo vệ toàn màn hình ... .ac-guard
   18. Tiện ích: .ac-unlicensed, .ac-kv-grid, .ac-occ, .ac-mini-tabs, .ac-split
   19. Chế độ tối (P2) ............... body.tek-dark
   ============================================================ */

:root {
    --ds-closed: #1E7145;   --ds-closed-bg: #D6EADF;
    --ds-open: #1F4E79;     --ds-open-bg: #D6E6F5;
    --ds-unlocked: #2A4B82; --ds-unlocked-bg: #EAF0F7;
    --ds-locked: #1F3864;   --ds-locked-bg: #E1E5EC;
    --ds-held: #B26B00;     --ds-held-bg: #FDEBC8;
    --ds-forced: #9C1E1E;   --ds-forced-bg: #F9DEDE;
    --ds-offline: #6B6B6E;  --ds-offline-bg: #ECEDED;
    --ds-lockdown: #fff;    --ds-lockdown-bg: #7A1515;

    --wf-trigger: #B26B00; --wf-cond: #1F4E79; --wf-action: #1E7145; --wf-approval: #5B2C86;
    --bit-p: #9C1E1E; --bit-fc: #1F4E79; --bit-id: #1E7145; --bit-x: #b9bdc2;
}

/* ============================== 1. TRẠNG THÁI CỬA ============================== */
.ac-ds {
    display: inline-flex; align-items: center; gap: .28rem; font-size: .72rem; font-weight: 600;
    padding: .14rem .5rem; border-radius: 999px; border: 1px solid; white-space: nowrap;
}
.ac-ds-closed   { color: var(--ds-closed);   background: var(--ds-closed-bg);   border-color: var(--ds-closed); }
.ac-ds-open     { color: var(--ds-open);     background: var(--ds-open-bg);     border-color: var(--ds-open); }
.ac-ds-unlocked { color: var(--ds-unlocked); background: var(--ds-unlocked-bg); border-color: #5980A6; }
.ac-ds-locked   { color: var(--ds-locked);   background: var(--ds-locked-bg);   border-color: #8794AA; }
.ac-ds-held     { color: var(--ds-held);     background: var(--ds-held-bg);     border-color: var(--ds-held); }
.ac-ds-forced   { color: var(--ds-forced);   background: var(--ds-forced-bg);   border-color: var(--ds-forced); }
.ac-ds-offline  { color: var(--ds-offline);  background: repeating-linear-gradient(45deg, #f4f4f4, #f4f4f4 4px, #e6e7e8 4px, #e6e7e8 8px); border-color: #c5c7ca; }
.ac-ds-lockdown { color: var(--ds-lockdown); background: var(--ds-lockdown-bg); border-color: var(--ds-lockdown-bg); }

/* ô màu trong chú giải */
.ac-ds-sw { width: 13px; height: 13px; border-radius: 3px; display: inline-block; border: 1px solid; }

.ac-door-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 6px; }
.ac-door-grid.compact { grid-template-columns: repeat(auto-fill, minmax(124px, 1fr)); }
.ac-door {
    position: relative; border: 1px solid var(--tek-line); border-left-width: 4px; border-radius: var(--tek-radius-sm);
    background: #fff; padding: .4rem .5rem .42rem; cursor: pointer; min-width: 0; font-size: .78rem; line-height: 1.25;
    transition: box-shadow .1s ease;
}
.ac-door:hover { box-shadow: var(--tek-shadow); }
.ac-door .top { display: flex; align-items: center; gap: .35rem; min-width: 0; }
.ac-door .top > i:first-child { color: var(--tek-primary-300); width: 14px; text-align: center; }
.ac-door .nm { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1 1 auto; color: var(--tek-ink); }
.ac-door .st { font-weight: 700; font-size: .72rem; margin-top: .18rem; }
.ac-door .sub { color: var(--tek-muted); font-size: .68rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-door .sel { margin-left: auto; color: var(--tek-muted); }
.ac-door.picked { outline: 2px solid var(--tek-primary); outline-offset: -1px; }
.ac-door.picked .sel:before { content: "\f14a"; color: var(--tek-primary); font-weight: 900; }
.ac-door.compact { padding: .3rem .45rem; }
.ac-door.ac-ds-closed   { border-left-color: var(--ds-closed); background: #fff; }
.ac-door.ac-ds-closed .st { color: var(--ds-closed); }
.ac-door.ac-ds-open     { border-left-color: var(--ds-open); background: #F5F9FD; }
.ac-door.ac-ds-open .st { color: var(--ds-open); }
.ac-door.ac-ds-unlocked { border-left-color: #5980A6; background: var(--ds-unlocked-bg); }
.ac-door.ac-ds-unlocked .st { color: var(--ds-unlocked); }
.ac-door.ac-ds-locked   { border-left-color: var(--ds-locked); background: #F3F4F7; }
.ac-door.ac-ds-locked .st { color: var(--ds-locked); }
.ac-door.ac-ds-held     { border-left-color: var(--ds-held); background: #FFF8EA; }
.ac-door.ac-ds-held .st { color: var(--ds-held); }
.ac-door.ac-ds-forced   { border-left-color: var(--ds-forced); background: var(--ds-forced-bg); animation: acblink 1.2s infinite; }
.ac-door.ac-ds-forced .st { color: var(--ds-forced); }
.ac-door.ac-ds-offline  { border-left-color: #a5a8ac; background: repeating-linear-gradient(45deg, #fafafa, #fafafa 5px, #f0f1f2 5px, #f0f1f2 10px); }
.ac-door.ac-ds-offline .st, .ac-door.ac-ds-offline .nm { color: var(--tek-muted); }
.ac-door.ac-ds-lockdown { border-left-color: var(--ds-lockdown-bg); background: var(--ds-lockdown-bg); }
.ac-door.ac-ds-lockdown .nm, .ac-door.ac-ds-lockdown .st, .ac-door.ac-ds-lockdown .sub, .ac-door.ac-ds-lockdown i { color: #fff !important; }
@keyframes acblink { 0%, 100% { box-shadow: 0 0 0 0 rgba(156, 30, 30, 0); } 50% { box-shadow: 0 0 0 3px rgba(156, 30, 30, .28); } }
.ac-flash { animation: acflash .9s ease; }
@keyframes acflash { 0% { background: #FFF3C4; } 100% { background: inherit; } }

/* ============================== 2. AVATAR ============================== */
.ac-avatar {
    display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
    border-radius: 6px; color: #fff; font-weight: 700; letter-spacing: .02em; user-select: none;
    background: var(--tek-primary-300);
}
.ac-avatar.sm { width: 26px; height: 26px; font-size: .64rem; border-radius: 5px; }
.ac-avatar.md { width: 38px; height: 38px; font-size: .8rem; }
.ac-avatar.lg { width: 64px; height: 76px; font-size: 1.25rem; }
.ac-avatar.xl { width: 180px; height: 220px; font-size: 3.4rem; border-radius: 10px; }

/* ============================== 3. TÌM KIẾM TOÀN CỤC ============================== */
.ac-gsearch { position: relative; flex: 0 1 300px; min-width: 150px; }
.ac-gsearch > i { position: absolute; left: .6rem; top: 50%; transform: translateY(-50%); color: #A9C6E3; font-size: .8rem; }
.ac-gsearch input {
    width: 100%; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22); color: #fff;
    border-radius: var(--tek-radius-sm); padding: .32rem .6rem .32rem 1.85rem; font-size: .84rem; outline: none;
}
.ac-gsearch input::placeholder { color: #A9C6E3; }
.ac-gsearch input:focus { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.45); }
.ac-gsearch-res {
    display: none; position: absolute; left: 0; top: calc(100% + 4px); width: 420px; max-width: 80vw; z-index: 1050;
    background: #fff; color: var(--tek-ink); border: 1px solid var(--tek-line); border-radius: var(--tek-radius);
    box-shadow: var(--tek-shadow-lg); max-height: 70vh; overflow: auto; font-size: .84rem;
}
.ac-gsearch-res.show { display: block; }
.ac-gsearch-res .hd { font-size: .64rem; text-transform: uppercase; letter-spacing: .09em; color: var(--tek-muted); font-weight: 700; padding: .45rem .7rem .2rem; }
.ac-gsearch-res a { display: flex; gap: .55rem; align-items: center; padding: .35rem .7rem; color: inherit; text-decoration: none; }
.ac-gsearch-res a:hover { background: var(--tek-primary-100); }
.ac-gsearch-res a > i { width: 26px; text-align: center; color: var(--tek-primary-300); }
.ac-gsearch-res .tx { min-width: 0; }
.ac-gsearch-res .tx small { display: block; color: var(--tek-muted); font-size: .72rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-gsearch-res .empty { padding: .9rem .7rem; color: var(--tek-muted); }
.ac-gsearch-res .ft { border-top: 1px solid var(--tek-line); padding: .35rem .7rem; font-size: .7rem; color: var(--tek-muted); background: #fafbfc; }

/* ============================== 4. LUỒNG SỰ KIỆN ============================== */
.ac-feed { max-height: 560px; overflow-y: auto; }
.ac-ev { display: flex; gap: .55rem; align-items: center; padding: .42rem .5rem; border-bottom: 1px solid #f0f1f2; border-left: 3px solid transparent; }
.ac-ev:last-child { border-bottom: 0; }
.ac-ev .t { font-variant-numeric: tabular-nums; font-family: Consolas, monospace; font-size: .74rem; color: var(--tek-muted); min-width: 56px; }
.ac-ev .b { flex: 1 1 auto; min-width: 0; font-size: .8rem; line-height: 1.3; }
.ac-ev .b .who { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-ev .b .where { color: var(--tek-muted); font-size: .74rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-ev .r { flex: 0 0 auto; }
.ac-ev.k-ok { border-left-color: var(--tek-ok); }
.ac-ev.k-warn { border-left-color: var(--tek-warn); background: #FFFBF2; }
.ac-ev.k-danger { border-left-color: var(--tek-danger); background: #FDF5F5; }
.ac-ev.k-muted { border-left-color: #c5c7ca; }
.ac-ev.new { animation: acflash 1.2s ease; }
.ac-ev.pick { outline: 2px solid var(--tek-primary-300); outline-offset: -2px; }

/* ============================== 5. CÂY TOPOLOGY ============================== */
.ac-topo, .ac-topo ul { list-style: none; margin: 0; padding: 0; }
.ac-topo ul { margin-left: 13px; padding-left: 12px; border-left: 1px dashed #c9d2de; }
.ac-topo li { position: relative; }
.ac-topo ul > li:before { content: ""; position: absolute; left: -12px; top: 15px; width: 10px; border-top: 1px dashed #c9d2de; }
.ac-topo li.collapsed > ul { display: none; }
.ac-topo li.collapsed > .ac-topo-node .tg { transform: rotate(-90deg); }
.ac-topo-node {
    display: flex; align-items: center; gap: .4rem; padding: .26rem .45rem; margin: 1px 0; border-radius: var(--tek-radius-sm);
    cursor: pointer; font-size: .8rem; min-width: 0; border: 1px solid transparent;
}
.ac-topo-node:hover { background: var(--tek-primary-100); }
.ac-topo-node.sel { background: var(--tek-primary); color: #fff; border-color: var(--tek-primary); }
.ac-topo-node.sel .meta, .ac-topo-node.sel .ic { color: #C9DBEE !important; }
.ac-topo-node .tg { width: 10px; font-size: .7rem; color: var(--tek-muted); transition: transform .12s ease; flex: 0 0 10px; }
.ac-topo-node .ic { width: 16px; text-align: center; color: var(--tek-primary-300); flex: 0 0 16px; }
.ac-topo-node .nm { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 0 1 auto; min-width: 3.5em; }
.ac-topo-node .meta { color: var(--tek-muted); font-size: .7rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-left: auto; padding-left: .4rem; flex: 0 2 auto; min-width: 0; }
.ac-topo-node.n-ctl { font-size: .86rem; }
.ac-topo-node.n-ctl .ic { color: var(--tek-primary); }
.ac-topo-node.n-bus .nm { font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--tek-primary-600); }
.ac-topo-node.sel.n-bus .nm { color: #fff; }
.ac-topo-node.n-rdr .nm, .ac-topo-node.n-io .nm { font-weight: 500; }
.ac-sdot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 8px; background: #b9bdc2; }
.ac-sdot.ok { background: var(--tek-ok); }
.ac-sdot.act { background: #E39B12; }
.ac-sdot.bad { background: var(--tek-danger); box-shadow: 0 0 0 2px rgba(156,30,30,.18); }
.ac-sdot.unk { background: #c5c7ca; }
.ac-topo-node.sel .ac-sdot { box-shadow: 0 0 0 2px #fff; }

/* ============================== 6. KIỂM TRA I/O ============================== */
.ac-io-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 6px; }
.ac-io {
    display: flex; align-items: center; gap: .5rem; border: 1px solid var(--tek-line); border-radius: var(--tek-radius-sm);
    padding: .38rem .55rem; background: #fff; font-size: .78rem; min-width: 0;
}
.ac-io .pt { font-family: Consolas, monospace; font-weight: 700; color: var(--tek-primary-300); min-width: 30px; font-size: .74rem; }
.ac-io .nm { flex: 1 1 auto; min-width: 0; line-height: 1.2; }
.ac-io .nm b { display: block; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-io .nm small { color: var(--tek-muted); font-size: .68rem; }
.ac-led { width: 12px; height: 12px; border-radius: 50%; flex: 0 0 12px; border: 1px solid rgba(0,0,0,.15); background: #d5d7da; }
.ac-led.normal { background: #35b36b; }
.ac-led.active { background: #F2B01E; box-shadow: 0 0 6px rgba(242,176,30,.8); }
.ac-led.fault-open, .ac-led.fault-short { background: var(--tek-danger); box-shadow: 0 0 6px rgba(156,30,30,.7); animation: tekpulse 1s infinite; }
.ac-led.unknown { background: #d5d7da; }
.ac-io.is-fault { border-color: var(--tek-danger); background: #FDF5F5; }
.ac-io.is-active { border-color: #E3B54A; background: #FFFBF0; }
/* relay: nút gạt */
.ac-relay { position: relative; width: 42px; height: 22px; flex: 0 0 42px; border-radius: 11px; background: #cfd3d8; border: 0; cursor: pointer; transition: background .12s; }
.ac-relay:after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.25); transition: left .12s; }
.ac-relay.on { background: var(--tek-ok); }
.ac-relay.on:after { left: 23px; }
.ac-relay:disabled { opacity: .45; cursor: not-allowed; }
.ac-io.relay-on { border-color: var(--tek-ok); background: #F3FAF6; }
/* chuỗi bit thô khi quẹt thử */
.ac-raw { font-family: Consolas, monospace; font-size: .8rem; background: #1d1f20; color: #9EE6B8; border-radius: var(--tek-radius-sm); padding: .55rem .7rem; word-break: break-all; }
.ac-raw .p { color: #ff8a8a; } .ac-raw .fc { color: #8fc1ff; } .ac-raw .id { color: #9EE6B8; }

/* ============================== 7. QUÉT MẠNG ============================== */
.ac-scan-bar { height: 8px; border-radius: 4px; background: #e9ecef; overflow: hidden; }
.ac-scan-bar > i { display: block; height: 100%; background: var(--tek-primary); width: 0; transition: width .15s linear; }
.ac-scan-log { font-family: Consolas, monospace; font-size: .72rem; color: var(--tek-muted); height: 3.2em; overflow: hidden; }
.ac-scan tr.is-new td { background: #F3FAF6; }
.ac-scan tr.is-off td { color: #9a9da1; }

/* ============================== 8. BẢNG BIT ============================== */
.ac-bitgrid { display: flex; flex-wrap: wrap; gap: 3px; }
.ac-bit {
    width: 28px; height: 40px; border-radius: 4px; border: 1px solid; display: flex; flex-direction: column; align-items: center;
    justify-content: center; font-family: Consolas, monospace; cursor: pointer; user-select: none; line-height: 1;
}
.ac-bit .n { font-size: .56rem; opacity: .75; }
.ac-bit .v { font-size: .9rem; font-weight: 700; margin-top: 2px; }
.ac-bit.b-p  { background: #FBE7E7; color: var(--bit-p);  border-color: var(--bit-p); }
.ac-bit.b-fc { background: #DDEAF7; color: var(--bit-fc); border-color: var(--bit-fc); }
.ac-bit.b-id { background: #DCEFE3; color: var(--bit-id); border-color: var(--bit-id); }
.ac-bit.b-x  { background: #f4f5f6; color: #8a8d91; border-color: #d0d3d6; border-style: dashed; }
.ac-bit.sel  { outline: 2px solid var(--tek-ink); outline-offset: 1px; }
.ac-bit.drag { opacity: .4; }
.ac-bitlegend { display: flex; gap: .9rem; flex-wrap: wrap; font-size: .74rem; color: var(--tek-muted); }
.ac-bitlegend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; border: 1px solid; vertical-align: -1px; margin-right: .25rem; }

/* ============================== 9. CANVAS WORKFLOW ============================== */
.ac-wf { display: grid; grid-template-columns: 220px minmax(0, 1fr) 280px; border: 1px solid var(--tek-line); border-radius: var(--tek-radius); background: #fff; min-height: 560px; overflow: hidden; }
.ac-wf-palette { border-right: 1px solid var(--tek-line); padding: .5rem; overflow-y: auto; max-height: 640px; background: #fafbfc; }
.ac-wf-palette .grp { font-size: .64rem; text-transform: uppercase; letter-spacing: .09em; color: var(--tek-muted); font-weight: 700; margin: .6rem .2rem .3rem; }
.ac-wf-pitem {
    display: flex; align-items: center; gap: .45rem; padding: .32rem .5rem; margin-bottom: 3px; background: #fff;
    border: 1px solid var(--tek-line); border-left: 3px solid var(--wf-action); border-radius: var(--tek-radius-sm);
    font-size: .78rem; cursor: grab; user-select: none;
}
.ac-wf-pitem:hover { box-shadow: var(--tek-shadow); }
.ac-wf-pitem.t-trigger { border-left-color: var(--wf-trigger); } .ac-wf-pitem.t-trigger i { color: var(--wf-trigger); }
.ac-wf-pitem.t-cond { border-left-color: var(--wf-cond); }       .ac-wf-pitem.t-cond i { color: var(--wf-cond); }
.ac-wf-pitem.t-action { border-left-color: var(--wf-action); }   .ac-wf-pitem.t-action i { color: var(--wf-action); }
.ac-wf-pitem.t-approval { border-left-color: var(--wf-approval); } .ac-wf-pitem.t-approval i { color: var(--wf-approval); }
.ac-wf-pitem .hw { margin-left: auto; font-size: .6rem; color: var(--tek-muted); }
.ac-wf-canvas {
    position: relative; overflow: auto; min-height: 560px;
    background-color: #fbfcfd; background-image: radial-gradient(#d3dae3 1px, transparent 1.2px); background-size: 18px 18px;
}
.ac-wf-stage { position: relative; width: 1400px; height: 900px; }
.ac-wf-edges { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.ac-wf-edge { fill: none; stroke: #8EA3BD; stroke-width: 2; }
.ac-wf-edge.sel { stroke: var(--tek-primary); stroke-width: 2.6; }
.ac-wf-edge.run { stroke: var(--tek-ok); stroke-dasharray: 6 5; animation: acdash .8s linear infinite; }
.ac-wf-edge.draft { stroke: var(--tek-primary-300); stroke-dasharray: 4 4; }
@keyframes acdash { to { stroke-dashoffset: -22; } }
.ac-wf-node {
    position: absolute; width: 196px; background: #fff; border: 1px solid #c9d2de; border-radius: var(--tek-radius-sm);
    box-shadow: 0 1px 3px rgba(31,56,100,.10); font-size: .78rem; cursor: move; user-select: none;
}
.ac-wf-node .hd { display: flex; align-items: center; gap: .4rem; padding: .32rem .5rem; border-bottom: 1px solid #eef0f2; font-weight: 700; }
.ac-wf-node .hd i { width: 20px; height: 20px; border-radius: 4px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: .7rem; flex: 0 0 20px; }
.ac-wf-node .hd .nm { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-wf-node .bd { padding: .3rem .5rem .4rem; color: var(--tek-muted); font-size: .72rem; line-height: 1.3; }
.ac-wf-node.t-trigger .hd i { background: var(--wf-trigger); }
.ac-wf-node.t-cond .hd i { background: var(--wf-cond); }
.ac-wf-node.t-action .hd i { background: var(--wf-action); }
.ac-wf-node.t-approval .hd i { background: var(--wf-approval); }
.ac-wf-node.t-trigger { border-top: 3px solid var(--wf-trigger); }
.ac-wf-node.t-cond { border-top: 3px solid var(--wf-cond); }
.ac-wf-node.t-action { border-top: 3px solid var(--wf-action); }
.ac-wf-node.t-approval { border-top: 3px solid var(--wf-approval); }
.ac-wf-node.sel { outline: 2px solid var(--tek-primary); outline-offset: 1px; }
.ac-wf-node.ok-run { box-shadow: 0 0 0 3px rgba(30,113,69,.25); }
.ac-wf-port { position: absolute; top: 50%; width: 12px; height: 12px; margin-top: -6px; border-radius: 50%; background: #fff; border: 2px solid #8EA3BD; cursor: crosshair; }
.ac-wf-port.in { left: -7px; } .ac-wf-port.out { right: -7px; }
.ac-wf-port:hover { border-color: var(--tek-primary); background: var(--tek-primary-100); }
.ac-wf-props { border-left: 1px solid var(--tek-line); padding: .7rem; overflow-y: auto; max-height: 640px; }
.ac-runs { display: inline-flex; align-items: center; gap: .3rem; font-size: .68rem; font-weight: 700; padding: .12rem .45rem; border-radius: 3px; border: 1px solid; white-space: nowrap; }
.ac-runs-ctl { color: var(--tek-ok); background: var(--tek-ok-100); border-color: var(--tek-ok); }
.ac-runs-srv { color: var(--tek-info); background: var(--tek-info-100); border-color: var(--tek-info); }
.ac-wf-toolbar { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; padding: .45rem .6rem; border-bottom: 1px solid var(--tek-line); background: #fff; }

/* ============================== 10. SƠ ĐỒ MẶT BẰNG ============================== */
.ac-fp { position: relative; border: 1px solid var(--tek-line); border-radius: var(--tek-radius); background: #fbfcfd; overflow: hidden; }
.ac-fp-svg { display: block; width: 100%; height: auto; }
.ac-fp-svg .room { fill: #fff; stroke: #9AA9BC; stroke-width: 1.5; }
.ac-fp-svg .room.zone-hi { fill: #F3F6FA; }
.ac-fp-svg .wall { fill: none; stroke: #5d6b7e; stroke-width: 4; }
.ac-fp-svg .lbl { font-size: 12px; fill: #6B6B6E; font-family: "Segoe UI", system-ui, sans-serif; }
.ac-fp-svg .lbl.b { font-weight: 700; fill: #1F3864; }
.ac-fp-door { cursor: pointer; }
.ac-fp-door circle { stroke: #fff; stroke-width: 2; }
.ac-fp-door text { font-size: 10px; fill: #fff; font-weight: 700; pointer-events: none; font-family: "Font Awesome 7 Free"; }
.ac-fp-door.s-closed circle { fill: var(--ds-closed); }
.ac-fp-door.s-open circle { fill: var(--ds-open); }
.ac-fp-door.s-unlocked circle { fill: #5980A6; }
.ac-fp-door.s-locked circle { fill: var(--ds-locked); }
.ac-fp-door.s-held circle { fill: var(--ds-held); }
.ac-fp-door.s-forced circle { fill: var(--ds-forced); animation: acfpblink 1s infinite; }
.ac-fp-door.s-offline circle { fill: #a5a8ac; }
.ac-fp-door.s-lockdown circle { fill: var(--ds-lockdown-bg); }
.ac-fp-door.sel circle { stroke: #1d1f20; stroke-width: 3; }
.ac-fp-cam path, .ac-fp-cam rect { fill: #6B6B6E; }
.ac-fp-rdr rect { fill: #fff; stroke: #1F3864; stroke-width: 1.5; }
@keyframes acfpblink { 50% { opacity: .35; } }
.ac-fp-pop {
    position: absolute; z-index: 5; width: 250px; background: #fff; border: 1px solid var(--tek-line); border-radius: var(--tek-radius);
    box-shadow: var(--tek-shadow-lg); font-size: .8rem;
}
.ac-fp-pop .hd { padding: .45rem .6rem; border-bottom: 1px solid var(--tek-line); font-weight: 700; display: flex; gap: .4rem; align-items: center; }
.ac-fp-pop .bd { padding: .5rem .6rem; }
.ac-fp-pop .acts { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }

/* ============================== 11. BẢNG CÔNG ============================== */
.ac-ts-wrap { overflow: auto; max-height: 640px; border: 1px solid var(--tek-line); border-radius: var(--tek-radius-sm); }
.ac-ts { border-collapse: separate; border-spacing: 0; font-size: .72rem; }
.ac-ts th, .ac-ts td { border-right: 1px solid #eef0f2; border-bottom: 1px solid #eef0f2; padding: 0; text-align: center; white-space: nowrap; }
.ac-ts thead th { position: sticky; top: 0; z-index: 2; background: var(--tek-primary-100); color: var(--tek-primary); font-weight: 700; padding: .25rem .1rem; min-width: 30px; }
.ac-ts thead th.we { background: #E6E9EE; color: var(--tek-muted); }
.ac-ts .nm { position: sticky; left: 0; z-index: 1; background: #fff; text-align: left; padding: .25rem .5rem; min-width: 200px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.ac-ts thead .nm { z-index: 3; background: var(--tek-primary-100); }
.ac-ts .nm small { display: block; color: var(--tek-muted); font-size: .66rem; }
.ac-ts td.c { height: 30px; min-width: 30px; cursor: pointer; font-weight: 700; position: relative; }
.ac-ts td.c:hover { outline: 2px solid var(--tek-primary-300); outline-offset: -2px; }
.ac-ts td.c .ot { position: absolute; right: 1px; bottom: 0; font-size: .54rem; color: var(--tek-accent); font-weight: 700; }
.ac-ts td.c.late:after { content: ""; position: absolute; left: 2px; top: 2px; width: 5px; height: 5px; border-radius: 50%; background: var(--tek-warn); }
.ac-ts td.c.edited { box-shadow: inset 0 0 0 2px #D6B656; }
.ac-ts td.tot { background: #fafbfc; font-weight: 700; padding: 0 .4rem; color: var(--tek-primary); }
.ts-P    { background: #fff; color: var(--tek-ok); }
.ts-half { background: #EEF7F1; color: var(--tek-ok); }
.ts-V    { background: var(--tek-danger-100); color: var(--tek-danger); }
.ts-PN   { background: var(--tek-info-100); color: var(--tek-info); }
.ts-O    { background: #EADDF4; color: #5B2C86; }
.ts-L    { background: var(--tek-warn-100); color: var(--tek-warn); }
.ts-CT   { background: #E4F1F4; color: #11606E; }
.ts-OFF  { background: #F1F2F4; color: #a2a5a9; }
.ts-future { background: repeating-linear-gradient(45deg, #fff, #fff 4px, #f6f7f8 4px, #f6f7f8 8px); color: transparent; cursor: default !important; }
.ac-ts.locked td.c { cursor: not-allowed; }
.ac-ts-legend { display: flex; gap: .7rem; flex-wrap: wrap; font-size: .72rem; color: var(--tek-muted); }
.ac-ts-legend b { display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 18px; border-radius: 3px; border: 1px solid #e0e3e7; margin-right: .2rem; font-size: .66rem; }

/* ============================== 12. LỊCH TUẦN 7 × 24 ============================== */
.ac-week { display: grid; grid-template-columns: 44px repeat(48, minmax(9px, 1fr)); gap: 1px; user-select: none; font-size: .64rem; }
.ac-week .h { color: var(--tek-muted); text-align: left; grid-column: span 2; }
.ac-week .dl { color: var(--tek-muted); font-weight: 700; display: flex; align-items: center; }
.ac-week .c { height: 22px; background: #eef0f3; cursor: crosshair; }
.ac-week .c.hr { border-left: 1px solid #fff; }
.ac-week .c.on { background: var(--tek-primary-300); }
.ac-week .c.on.hol { background: var(--tek-warn); }
.ac-week .c.paint { background: var(--tek-primary); }

/* ============================== 13. MA TRẬN QUYỀN ============================== */
.ac-matrix-wrap { overflow: auto; max-height: 600px; border: 1px solid var(--tek-line); border-radius: var(--tek-radius-sm); }
.ac-matrix { border-collapse: separate; border-spacing: 0; font-size: .74rem; }
.ac-matrix th, .ac-matrix td { border-right: 1px solid #eef0f2; border-bottom: 1px solid #eef0f2; padding: .25rem .35rem; }
.ac-matrix thead th { position: sticky; top: 0; z-index: 2; background: var(--tek-primary-100); color: var(--tek-primary); font-weight: 700; vertical-align: bottom; }
.ac-matrix thead th.rot { height: 130px; white-space: nowrap; padding: .3rem .1rem; }
.ac-matrix thead th.rot > div { writing-mode: vertical-rl; transform: rotate(180deg); max-height: 125px; overflow: hidden; text-overflow: ellipsis; }
.ac-matrix .rh { position: sticky; left: 0; z-index: 1; background: #fff; font-weight: 600; white-space: nowrap; min-width: 180px; }
.ac-matrix thead .rh { z-index: 3; background: var(--tek-primary-100); }
.ac-matrix td.cell { width: 34px; min-width: 34px; height: 28px; text-align: center; cursor: pointer; font-size: .64rem; font-weight: 700; }
.ac-matrix td.cell:hover { outline: 2px solid var(--tek-primary-300); outline-offset: -2px; }
.ac-matrix td.cell.on { background: var(--tek-primary-300); color: #fff; }
.ac-matrix td.cell.on.s2 { background: var(--tek-ok); }
.ac-matrix td.cell.on.s3 { background: var(--tek-warn); }
.ac-matrix td.cell.drop { background: var(--tek-primary-100); outline: 2px dashed var(--tek-primary); outline-offset: -3px; }

/* ============================== 14. BÁO ĐỘNG ============================== */
.ac-prio { display: inline-flex; align-items: center; gap: .3rem; font-size: .7rem; font-weight: 700; padding: .12rem .45rem; border-radius: 3px; color: #fff; white-space: nowrap; }
.ac-prio:before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .8; }
.ac-prio-1 { background: #8a8d91; }
.ac-prio-2 { background: var(--tek-info); }
.ac-prio-3 { background: var(--tek-warn); }
.ac-prio-4 { background: var(--tek-danger); animation: acblink 1.2s infinite; }
.ac-alarm-row { border-left: 4px solid transparent; }
.ac-alarm-row.p1 { border-left-color: #8a8d91; } .ac-alarm-row.p2 { border-left-color: var(--tek-info); }
.ac-alarm-row.p3 { border-left-color: var(--tek-warn); } .ac-alarm-row.p4 { border-left-color: var(--tek-danger); }
.ac-sop { counter-reset: sop; list-style: none; padding: 0; margin: 0; }
.ac-sop li { counter-increment: sop; position: relative; padding: .3rem 0 .3rem 1.9rem; font-size: .82rem; border-bottom: 1px dashed #eceef0; }
.ac-sop li:before { content: counter(sop); position: absolute; left: 0; top: .3rem; width: 20px; height: 20px; border-radius: 50%; background: var(--tek-primary-100); color: var(--tek-primary); font-size: .7rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.ac-sop li.done { color: var(--tek-muted); text-decoration: line-through; }
.ac-sop li.done:before { background: var(--tek-ok); color: #fff; content: "\2713"; }

/* ============================== 15. CONTROLLER ============================== */
.ac-power { display: inline-flex; gap: .45rem; font-size: .82rem; }
.ac-power .ok { color: var(--tek-ok); } .ac-power .bad { color: var(--tek-danger); } .ac-power .unk { color: #c5c7ca; }
.ac-bar { display: inline-block; width: 64px; height: 6px; border-radius: 3px; background: #e9ecef; overflow: hidden; vertical-align: middle; }
.ac-bar > i { display: block; height: 100%; }
.ac-bar-ok > i { background: var(--tek-ok); } .ac-bar-warn > i { background: #E39B12; }
.ac-bar-danger > i { background: var(--tek-danger); } .ac-bar-primary > i { background: var(--tek-primary-300); }
.ac-bar.w100 { width: 100%; }
.ac-cmd-state { font-size: .7rem; }
.ac-lic-meter { display: flex; align-items: center; gap: .5rem; font-size: .8rem; }
.ac-lic-meter .ac-bar { width: 120px; height: 8px; }

/* ============================== 16. VÙNG NGUY HIỂM & XÁC THỰC ============================== */
.ac-danger-zone { border: 1px solid var(--tek-danger); border-radius: var(--tek-radius); background: #FFFAFA; }
.ac-danger-zone .hd { color: var(--tek-danger); font-weight: 700; padding: .55rem .8rem; border-bottom: 1px solid #F1C9C9; display: flex; align-items: center; gap: .5rem; }
.ac-danger-zone .row-act { display: flex; align-items: center; gap: .8rem; padding: .6rem .8rem; border-bottom: 1px solid #F6E0E0; }
.ac-danger-zone .row-act:last-child { border-bottom: 0; }
.ac-danger-zone .row-act .tx { flex: 1 1 auto; font-size: .82rem; }
.ac-danger-zone .row-act .tx small { display: block; color: var(--tek-muted); }
.modal-header.ac-hd-danger { background: var(--tek-danger); color: #fff; }
.ac-otp { display: flex; gap: .45rem; justify-content: center; }
.ac-otp input { width: 46px; height: 54px; text-align: center; font-size: 1.45rem; font-weight: 700; font-family: Consolas, monospace; border: 1px solid #bfc6cf; border-radius: var(--tek-radius-sm); }
.ac-otp input:focus { border-color: var(--tek-primary); box-shadow: 0 0 0 3px rgba(31,56,100,.15); outline: none; }
.ac-otp-input { letter-spacing: .5em; font-size: 1.15rem; text-align: center; }

/* ============================== 17. CHẾ ĐỘ BẢO VỆ TOÀN MÀN HÌNH ============================== */
body.ac-guard-on { overflow: hidden; }
.ac-guard { position: fixed; inset: 0; z-index: 1060; background: #10192b; color: #e8edf4; display: none; flex-direction: column; }
body.ac-guard-on .ac-guard { display: flex; }
.ac-guard-bar { display: flex; align-items: center; gap: .8rem; padding: .5rem 1rem; background: #0b1220; border-bottom: 1px solid #22314d; }
.ac-guard-bar .brand { font-weight: 700; } .ac-guard-bar .brand span { color: #8FB4DA; font-weight: 400; }
.ac-guard-grid { flex: 1 1 auto; display: grid; gap: 8px; padding: 8px; min-height: 0; }
.ac-guard-grid.l1 { grid-template-columns: 1fr; }
.ac-guard-grid.l2 { grid-template-columns: 1fr 1fr; }
.ac-guard-grid.l4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.ac-gpane { background: #16223a; border: 1px solid #22314d; border-radius: 8px; display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.ac-gpane .ph-hd { padding: .45rem .7rem; border-bottom: 1px solid #22314d; font-weight: 700; display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.ac-gpane .ph-bd { flex: 1 1 auto; display: flex; gap: 1.1rem; padding: .9rem; align-items: center; min-height: 0; }
.ac-gpane .who { font-size: 1.6rem; font-weight: 700; line-height: 1.15; }
.ac-gpane .meta { color: #9fb1c9; font-size: .95rem; }
.ac-gpane .verdict { font-size: 1.25rem; font-weight: 800; letter-spacing: .04em; padding: .3rem .8rem; border-radius: 6px; display: inline-block; margin-top: .6rem; }
.ac-gpane .verdict.ok { background: #1E7145; color: #fff; }
.ac-gpane .verdict.danger { background: #9C1E1E; color: #fff; }
.ac-gpane .verdict.warn { background: #B26B00; color: #fff; }
.ac-gpane .verdict.muted { background: #3a4660; color: #fff; }
.ac-gpane.flash { animation: acgflash 1s ease; }
@keyframes acgflash { 0% { box-shadow: inset 0 0 0 4px #8FB4DA; } 100% { box-shadow: none; } }
.ac-guard-grid.l4 .ac-gpane .who { font-size: 1.15rem; }
.ac-guard-grid.l4 .ac-avatar.xl { width: 110px; height: 136px; font-size: 2.2rem; }
.ac-guard-strip { display: flex; gap: 6px; padding: 0 8px 8px; overflow: hidden; }
.ac-guard-strip .it { flex: 0 0 210px; background: #16223a; border: 1px solid #22314d; border-left: 3px solid #3a4660; border-radius: 6px; padding: .35rem .5rem; font-size: .76rem; }
.ac-guard-strip .it.k-ok { border-left-color: #35b36b; } .ac-guard-strip .it.k-danger { border-left-color: #e05a5a; } .ac-guard-strip .it.k-warn { border-left-color: #e3a43a; }

/* Bộ chọn bố cục 1 / 2 / 4 khung */
.ac-layout-pick { display: inline-flex; gap: 3px; }
.ac-layout-pick button { width: 34px; height: 26px; border: 1px solid var(--tek-line); background: #fff; border-radius: 4px; padding: 3px; display: grid; gap: 2px; }
.ac-layout-pick button i { background: #c9d2de; border-radius: 1px; display: block; }
.ac-layout-pick button.on { border-color: var(--tek-primary); }
.ac-layout-pick button.on i { background: var(--tek-primary); }
.ac-layout-pick .l1 { grid-template-columns: 1fr; } .ac-layout-pick .l2 { grid-template-columns: 1fr 1fr; } .ac-layout-pick .l4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.ac-guard .ac-layout-pick button { background: #16223a; border-color: #22314d; }

/* ============================== 18. TIỆN ÍCH ============================== */
.ac-unlicensed { position: relative; opacity: .5; pointer-events: none; filter: grayscale(.6); }
.ac-unlicensed:after { content: "Không thuộc gói license"; position: absolute; bottom: .4rem; right: .5rem; font-size: .64rem; font-weight: 700; color: var(--tek-muted); background: #fff; border: 1px solid var(--tek-line); border-radius: 3px; padding: .05rem .35rem; }
.ac-kv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.2rem; }
.ac-kv-grid .kv { font-size: .82rem; }
.ac-occ { display: flex; align-items: center; gap: .5rem; font-size: .8rem; }
.ac-occ .nm { flex: 1 1 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ac-occ .ac-bar { width: 90px; }
.ac-occ .n { font-family: Consolas, monospace; font-weight: 700; min-width: 64px; text-align: right; }
.ac-split { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 1rem; align-items: start; }
.ac-sticky { position: sticky; top: 64px; }
.ac-mini-tabs .nav-link { padding: .35rem .7rem; font-size: .84rem; }
.ac-svc { display: flex; align-items: center; gap: .55rem; padding: .38rem 0; border-bottom: 1px solid #f0f1f2; font-size: .82rem; }
.ac-svc:last-child { border-bottom: 0; }
.ac-svc .nm { font-weight: 600; } .ac-svc .ds { color: var(--tek-muted); font-size: .72rem; }
.ac-svc .rt { margin-left: auto; text-align: right; font-size: .72rem; color: var(--tek-muted); white-space: nowrap; }
.ac-hint { font-size: .74rem; color: var(--tek-muted); }
.ac-code { font-family: Consolas, monospace; font-size: .78rem; background: #f4f5f7; border: 1px solid var(--tek-line); border-radius: 4px; padding: .05rem .3rem; }

@media (max-width: 1199.98px) {
    .ac-wf { grid-template-columns: 190px minmax(0, 1fr); }
    .ac-wf-props { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--tek-line); max-height: none; }
    .ac-split { grid-template-columns: 1fr; }
    .ac-split .ac-sticky { position: static; }
}
@media (max-width: 991.98px) {
    .ac-split { grid-template-columns: 1fr; }
    .ac-kv-grid { grid-template-columns: 1fr; }
    .ac-guard-grid.l2, .ac-guard-grid.l4 { grid-template-columns: 1fr; grid-template-rows: none; }
}

/* ============================== 19. CHẾ ĐỘ TỐI (P2) ==============================
   Bản thiết kế chỉ phủ khung + component chính để duyệt hướng đi.        */
body.tek-dark { --tek-bg: #121821; --tek-surface: #1a2230; --tek-line: #2c3747; --tek-ink: #dfe5ec; --tek-muted: #93a0b2; --tek-primary-100: #22304a; background: var(--tek-bg); color: var(--tek-ink); }
body.tek-dark .tek-topbar { background: #0e1522; }
body.tek-dark .tek-sidebar, body.tek-dark .card, body.tek-dark .card-header, body.tek-dark .tek-kpi, body.tek-dark .ac-door,
body.tek-dark .ac-io, body.tek-dark .modal-content, body.tek-dark .dropdown-menu, body.tek-dark .list-group-item, body.tek-dark .ac-gsearch-res,
body.tek-dark .ac-wf, body.tek-dark .ac-wf-node, body.tek-dark .ac-fp-pop, body.tek-dark .form-control, body.tek-dark .form-select { background-color: var(--tek-surface); color: var(--tek-ink); border-color: var(--tek-line); }
body.tek-dark .tek-sidebar .nav-link { color: #c5cfdb; }
body.tek-dark .tek-sidebar .nav-link.active { background: #2A4B82; color: #fff; }
body.tek-dark .tek-kpi .v, body.tek-dark .tek-pagehead h1, body.tek-dark .text-tek { color: #8FB4DA !important; }
body.tek-dark .table { --bs-table-bg: transparent; --bs-table-color: var(--tek-ink); color: var(--tek-ink); }
body.tek-dark table.dataTable thead th, body.tek-dark .table > thead > tr > th { background: #22304a; color: #c5d6ea; border-color: var(--tek-line); }
body.tek-dark .table > :not(caption) > * > * { border-color: var(--tek-line); }
body.tek-dark .ac-ev { border-bottom-color: var(--tek-line); }
body.tek-dark .ac-ev.k-warn { background: #2a2416; } body.tek-dark .ac-ev.k-danger { background: #2c1a1a; }
body.tek-dark .ac-door .nm { color: var(--tek-ink); }
body.tek-dark .ac-door.ac-ds-closed, body.tek-dark .ac-door.ac-ds-open, body.tek-dark .ac-door.ac-ds-locked, body.tek-dark .ac-door.ac-ds-held, body.tek-dark .ac-door.ac-ds-unlocked { background: var(--tek-surface); }
body.tek-dark .ac-door.ac-ds-forced { background: #3a1b1b; }
body.tek-dark .ac-door.ac-ds-offline { background: repeating-linear-gradient(45deg, #1a2230, #1a2230 5px, #202a3a 5px, #202a3a 10px); }
body.tek-dark .tek-mock-note { background: #2a2614; border-color: #6b5a22; color: #e5cf8a; }
body.tek-dark .kv, body.tek-dark .ac-svc { border-color: var(--tek-line); }
body.tek-dark .btn-outline-secondary { color: #c5cfdb; border-color: #3c4a5e; }
