/* camera.29son.com — tường camera nền tối. Chữ 14px, bo 4px theo bộ áo lễ tân. */
:root{
  --nen:#0b0f14; --nen2:#111821; --nen3:#18212d; --vien:#243142; --vien2:#2f3e52;
  --chu:#e6edf5; --chu2:#9fb0c3; --chu3:#6b7d92;
  --nhan:#4da3ff; --nhan-dam:#12457c; --xanh:#22c55e; --vang:#f5b400; --do:#ff4d4f;
  --bo:4px; --dau:52px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:14px; color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--nen);color:var(--chu)}
button,input,select{font:inherit;color:inherit}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
[hidden]{display:none!important}
.chu-mo{color:var(--chu2)}
.chu-nho{color:var(--chu3);font-size:12px;line-height:1.5;margin:0}

/* nút */
.nut{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:var(--bo);border:1px solid var(--vien2);background:var(--nen3);cursor:pointer;white-space:nowrap}
.nut:hover{border-color:var(--nhan)}
.nut.chinh{background:var(--nhan-dam);border-color:var(--nhan-dam);color:#fff;font-weight:600}
.nut.chinh:hover{background:#1a5ba0}
.nut.phu.dang{background:var(--nhan-dam);border-color:var(--nhan);color:#fff}
.nut.nguy{border-color:#5a2426;color:#ff8a8c}
.nut.nguy:hover{background:#3a1416}
.nut:disabled{opacity:.5;cursor:default}
.nut-icon{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:var(--bo);border:1px solid transparent;background:transparent;cursor:pointer;color:var(--chu2)}
.nut-icon:hover{background:var(--nen3);color:var(--chu);border-color:var(--vien)}
.chon-nho{height:34px;border-radius:var(--bo);border:1px solid var(--vien2);background:var(--nen3);padding:0 8px}

/* thanh đầu */
.dau{height:var(--dau);display:flex;align-items:center;gap:14px;padding:0 14px;background:var(--nen2);border-bottom:1px solid var(--vien);position:sticky;top:0;z-index:20}
.thuong-hieu{display:flex;align-items:center;gap:8px;font-size:15px;letter-spacing:.2px}
.cham-do{width:9px;height:9px;border-radius:50%;background:var(--do);box-shadow:0 0 0 3px rgba(255,77,79,.18);animation:nhay 2s infinite}
@keyframes nhay{50%{opacity:.35}}
.dong-ho{display:flex;gap:14px;color:var(--chu2);font-variant-numeric:tabular-nums;margin-left:8px}
.dong-ho b{color:var(--chu);font-weight:600}
.dau-phai{margin-left:auto;display:flex;align-items:center;gap:8px}
.tong-song{font-size:12px;color:var(--chu2);padding:4px 10px;border:1px solid var(--vien);border-radius:999px;font-variant-numeric:tabular-nums}
.tong-song i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--xanh);margin-right:6px}
.menu-nguoi{position:relative}
.nut-nguoi{display:flex;align-items:center;gap:6px;height:34px;padding:0 10px;border-radius:var(--bo);border:1px solid var(--vien);background:transparent;cursor:pointer}
.tha{position:absolute;right:0;top:40px;min-width:170px;background:var(--nen2);border:1px solid var(--vien2);border-radius:var(--bo);padding:4px;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.tha button{display:block;width:100%;text-align:left;padding:8px 10px;border:0;background:none;border-radius:var(--bo);cursor:pointer}
.tha button:hover{background:var(--nen3)}
.chi-dt{display:none}

/* thân */
.than{display:flex;height:calc(100vh - var(--dau));height:calc(100dvh - var(--dau))}
.ben{width:240px;flex:none;background:var(--nen2);border-right:1px solid var(--vien);display:flex;flex-direction:column;overflow:auto}
.ben-dau{padding:14px 14px 6px;font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--chu3)}
#dsChiNhanh a{display:flex;align-items:center;gap:8px;padding:9px 14px;color:var(--chu2);text-decoration:none;border-left:3px solid transparent;cursor:pointer}
#dsChiNhanh a:hover{background:var(--nen3);color:var(--chu)}
#dsChiNhanh a.dang{background:#13243a;color:#fff;border-left-color:var(--nhan)}
#dsChiNhanh .ten{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#dsChiNhanh .dem{font-size:12px;color:var(--chu3);font-variant-numeric:tabular-nums}
#dsChiNhanh .dem b{color:var(--xanh);font-weight:600}
.ben-chan{margin-top:auto;padding:14px;border-top:1px solid var(--vien)}

.giua{flex:1;min-width:0;display:flex;flex-direction:column;padding:12px;gap:10px}
.thanh-cong-cu{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tieu-de-vung{display:flex;align-items:baseline;gap:10px;min-width:0}
.tieu-de-vung h1{font-size:17px;margin:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nhom-nut{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.chon-luoi{display:flex;border:1px solid var(--vien2);border-radius:var(--bo);overflow:hidden}
.chon-luoi button{width:36px;height:32px;border:0;background:var(--nen3);cursor:pointer;display:grid;place-items:center;border-right:1px solid var(--vien2)}
.chon-luoi button:last-child{border-right:0}
.chon-luoi button.dang{background:var(--nhan-dam)}
.chon-luoi i{display:block;width:16px;height:16px;border:1.5px solid currentColor;border-radius:2px;color:var(--chu2)}
.chon-luoi button.dang i{color:#fff}
.chon-luoi i.l4{background:linear-gradient(currentColor,currentColor) 50% 0/1.5px 100% no-repeat,linear-gradient(currentColor,currentColor) 0 50%/100% 1.5px no-repeat}
.chon-luoi i.l9{background:linear-gradient(90deg,transparent 32%,currentColor 32% 38%,transparent 38% 62%,currentColor 62% 68%,transparent 68%),linear-gradient(transparent 32%,currentColor 32% 38%,transparent 38% 62%,currentColor 62% 68%,transparent 68%)}
.chon-luoi i.l16{background:linear-gradient(90deg,transparent 22%,currentColor 22% 28%,transparent 28% 47%,currentColor 47% 53%,transparent 53% 72%,currentColor 72% 78%,transparent 78%),linear-gradient(transparent 22%,currentColor 22% 28%,transparent 28% 47%,currentColor 47% 53%,transparent 53% 72%,currentColor 72% 78%,transparent 78%)}
.trang-so{display:flex;align-items:center;gap:2px;color:var(--chu2);font-variant-numeric:tabular-nums}
.bao-ngang{padding:10px 12px;border-radius:var(--bo);border:1px solid #5b4a10;background:#231d06;color:#f5d36b;line-height:1.5}
.bao-ngang a{color:#fff}

/* lưới camera */
.luoi{flex:1;min-height:0;display:grid;gap:6px}
.luoi[data-n="1"]{grid-template-columns:1fr;grid-template-rows:1fr}
.luoi[data-n="4"]{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr)}
.luoi[data-n="9"]{grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr)}
.luoi[data-n="16"]{grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr)}
.o{position:relative;background:#000;border:1px solid var(--vien);border-radius:var(--bo);overflow:hidden;min-height:0;min-width:0}
.o:hover{border-color:var(--vien2)}
.o.trong-o{background:repeating-linear-gradient(45deg,#0d1218 0 10px,#0f151c 10px 20px);border-style:dashed}
.o .hinh{position:absolute;inset:0}
.o .hinh iframe,.o .hinh video{width:100%;height:100%;border:0;display:block;object-fit:contain;background:#000}
.o .nhan{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;gap:8px;padding:7px 9px;background:linear-gradient(rgba(0,0,0,.72),transparent);font-size:12.5px;pointer-events:none;z-index:3}
.o .nhan b{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.o .nhan .cn{color:#b9c6d6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--chu3)}
.dot.song{background:var(--xanh);box-shadow:0 0 6px var(--xanh)}
.dot.tat{background:var(--do)}
.dot.loi{background:var(--vang)}
.o .nut-o{position:absolute;right:6px;bottom:6px;display:flex;gap:4px;opacity:0;transition:opacity .15s;z-index:3}
.o:hover .nut-o,.o:focus-within .nut-o{opacity:1}
.o .nut-o button{width:30px;height:30px;border-radius:var(--bo);border:1px solid rgba(255,255,255,.18);background:rgba(10,14,20,.72);display:grid;place-items:center;cursor:pointer;color:#fff}
.o .nut-o button:hover{background:var(--nhan-dam)}
.o .nut-o svg{width:16px;height:16px}
.o .bao-o{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--chu2);text-align:center;padding:16px;z-index:2;font-size:13px}
.o .bao-o svg{width:30px;height:30px;color:var(--chu3)}
.xoay{width:26px;height:26px;border:3px solid var(--vien2);border-top-color:var(--nhan);border-radius:50%;animation:quay 0.9s linear infinite}
@keyframes quay{to{transform:rotate(360deg)}}
.trong{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--chu2);text-align:center;border:1px dashed var(--vien2);border-radius:var(--bo);padding:24px}
.trong svg{width:44px;height:44px;color:var(--chu3)}
.trong h2{margin:0;color:var(--chu);font-size:17px}
.trong p{margin:0;max-width:460px;line-height:1.6}

/* phủ màn */
.phu-man{position:fixed;inset:0;background:rgba(3,6,10,.78);z-index:50;display:flex;align-items:center;justify-content:center;padding:18px;backdrop-filter:blur(3px)}
.khung-to{width:min(1400px,100%);height:min(900px,100%);background:var(--nen2);border:1px solid var(--vien2);border-radius:var(--bo);display:flex;flex-direction:column;overflow:hidden}
.to-dau,.ql-dau{display:flex;align-items:center;gap:12px;padding:10px 12px;border-bottom:1px solid var(--vien);flex-wrap:wrap}
.to-dau>div:first-child{flex:1;min-width:0}
.to-than{flex:1;min-height:0;display:flex}
.to-hinh{flex:1;position:relative;background:#000;min-width:0}
.to-hinh iframe,.to-hinh video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.the-chon{display:flex;background:var(--nen);border:1px solid var(--vien);border-radius:var(--bo);padding:3px;gap:2px;flex-wrap:wrap}
.the-chon button{border:0;background:transparent;padding:6px 12px;border-radius:3px;cursor:pointer;color:var(--chu2)}
.the-chon button.dang{background:var(--nhan-dam);color:#fff}
.ptz{width:210px;flex:none;border-left:1px solid var(--vien);padding:16px;display:flex;flex-direction:column;gap:14px;align-items:center}
.ptz-dia{display:grid;grid-template-columns:repeat(3,52px);grid-template-rows:repeat(3,52px);gap:4px}
.ptz-dia button{border:1px solid var(--vien2);background:var(--nen3);border-radius:var(--bo);cursor:pointer;display:grid;place-items:center;touch-action:none}
.ptz-dia button:active,.ptz-zoom button:active{background:var(--nhan-dam)}
.ptz-dia button[data-h=len]{grid-column:2}
.ptz-dia button[data-h=trai]{grid-column:1;grid-row:2}
.ptz-dia span{grid-column:2;grid-row:2;border-radius:50%;background:var(--nen);border:1px solid var(--vien)}
.ptz-dia button[data-h=phai]{grid-column:3;grid-row:2}
.ptz-dia button[data-h=xuong]{grid-column:2;grid-row:3}
.ptz-zoom{display:flex;gap:6px}
.ptz-zoom button{height:34px;padding:0 12px;border:1px solid var(--vien2);background:var(--nen3);border-radius:var(--bo);cursor:pointer;touch-action:none}

/* quản lý */
.khung-ql{width:min(1100px,100%);height:min(820px,100%);background:var(--nen2);border:1px solid var(--vien2);border-radius:var(--bo);display:flex;flex-direction:column;overflow:hidden}
.ql-dau b{font-size:15px}
.ql-dau .the-chon{margin-right:auto}
.ql-than{flex:1;overflow:auto;padding:14px}
.ql-hang{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.ql-hang .chu-mo{margin-right:auto}
table.bang{width:100%;border-collapse:collapse}
.bang th,.bang td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--vien);vertical-align:middle}
.bang th{font-size:12px;color:var(--chu3);font-weight:600;text-transform:uppercase;letter-spacing:.5px;position:sticky;top:-14px;background:var(--nen2)}
.bang tr:hover td{background:#141c26}
.bang td.so{font-variant-numeric:tabular-nums;color:var(--chu2);white-space:nowrap}
.bang .hanh-dong{white-space:nowrap;text-align:right}
.the-hang{display:inline-block;font-size:11px;padding:2px 7px;border-radius:3px;border:1px solid var(--vien2);color:var(--chu2);text-transform:uppercase;letter-spacing:.4px}
.the-hang.ezviz{border-color:#1e4f7c;color:#7cc0ff}
.the-hang.yoosee{border-color:#5a3d88;color:#c3a5ff}
.khoi-huong{border:1px solid var(--vien);border-radius:var(--bo);padding:14px;margin-bottom:14px;background:var(--nen);line-height:1.65}
.khoi-huong h3{margin:0 0 6px;font-size:14px}
.khoi-huong ol{margin:6px 0 0;padding-left:20px}
.khoi-huong code{background:var(--nen3);padding:1px 5px;border-radius:3px}

/* hộp nhập */
.khung-hop{width:min(520px,100%);max-height:100%;overflow:auto;background:var(--nen2);border:1px solid var(--vien2);border-radius:var(--bo);padding:18px}
.khung-hop h3{margin:0 0 14px;font-size:16px}
.o-nhap{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.o-nhap>span{font-size:12.5px;color:var(--chu2)}
.o-nhap input,.o-nhap select,.o-nhap textarea{height:36px;border-radius:var(--bo);border:1px solid var(--vien2);background:var(--nen);padding:0 10px}
.o-nhap textarea{height:70px;padding:8px 10px;resize:vertical}
.o-nhap input:focus,.o-nhap select:focus{outline:none;border-color:var(--nhan)}
.o-nhap small{color:var(--chu3);font-size:12px;line-height:1.45}
.o-tich{display:flex;align-items:center;gap:8px;margin-bottom:8px;cursor:pointer}
.o-nhap .o-tich input,.o-tich input{height:16px;width:16px;padding:0;margin:0;flex:none;accent-color:var(--nhan)}
.hai-cot{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hop-chan{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.hop-chan .nut.nguy{margin-right:auto}
.bao-loi{color:#ff8a8c;min-height:18px;margin:6px 0 0;font-size:13px}
.bao-nhanh{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);background:#0f2a18;border:1px solid #1f6b3a;color:#bff0cf;padding:10px 16px;border-radius:var(--bo);opacity:0;pointer-events:none;transition:.2s;z-index:80}
.bao-nhanh.hien{opacity:1;transform:translateX(-50%)}
.bao-nhanh.loi{background:#2a0f10;border-color:#6b1f22;color:#ffc7c8}

/* trang đăng nhập */
.trang-vao{display:grid;place-items:center;min-height:100vh;padding:16px;background:radial-gradient(1200px 600px at 20% -10%,#12243a 0,transparent 60%),var(--nen)}
.hop-vao{width:min(380px,100%);background:var(--nen2);border:1px solid var(--vien2);border-radius:var(--bo);padding:26px}
.logo-vao{display:flex;gap:12px;align-items:center;margin-bottom:22px;color:var(--nhan)}
.logo-vao b{display:block;color:var(--chu);font-size:17px}
.logo-vao span{color:var(--chu2);font-size:13px}
.hop-vao label{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;color:var(--chu2);font-size:13px}
.hop-vao input{height:40px;border-radius:var(--bo);border:1px solid var(--vien2);background:var(--nen);padding:0 12px;font-size:15px}
.hop-vao input:focus{outline:none;border-color:var(--nhan)}
.hop-vao .nut{width:100%;justify-content:center;height:40px}
.hop-vao .chu-nho{margin-top:14px;text-align:center}

/* toàn màn hình: giấu hết khung, chỉ còn tường camera */
body.toan .dau,body.toan .ben,body.toan .thanh-cong-cu{display:none}
body.toan .than{height:100vh}
body.toan .giua{padding:4px}

/* điện thoại & máy tính bảng nhỏ */
@media (max-width:900px){
  .chi-dt{display:inline-grid}
  .dong-ho{display:none}
  .ben{position:fixed;left:0;top:var(--dau);bottom:0;z-index:30;transform:translateX(-100%);transition:transform .2s;box-shadow:10px 0 30px rgba(0,0,0,.5)}
  .ben.mo{transform:none}
  .nhom-nut{margin-left:0;width:100%}
  #giayXoay,#nutXoay span{display:none}
  .ptz{display:none!important}
  .phu-man{padding:0}
  .khung-to,.khung-ql{height:100%;border-radius:0}
}
@media (max-width:600px){
  /* điện thoại: một cột, mỗi ô đúng khổ ngang 16:9 của camera, cuộn dọc */
  .luoi,.luoi[data-n]{grid-template-columns:1fr;grid-template-rows:none;grid-auto-rows:auto;overflow-y:auto;align-content:start}
  .o{aspect-ratio:16/9}
  .o.trong-o{display:none}
  .o .nhan .cn{display:none}
  .o .nut-o{opacity:1}
  .chon-luoi button[data-n="9"],.chon-luoi button[data-n="16"]{display:none}
  .tong-song{display:none}
  .thuong-hieu b{font-size:14px;white-space:nowrap}
  .dau{gap:8px;padding:0 8px}
  .nut-nguoi span{max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .giua{padding:8px}
  .hai-cot{grid-template-columns:1fr}
  .bang th:nth-child(n+4),.bang td:nth-child(n+4):not(.hanh-dong){display:none}
}