/* ===== Sneat-like theme (dung chung cho ca cac trang) ===== */
@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&display=swap');

:root{
  --primary:#696cff; --primary-d:#5f61e6;
  --bg:#f5f5f9; --card:#fff; --ink:#384551; --muted:#8592a3;
  --line:#e7e7ef; --ok:#71dd37; --warn:#ffab00; --danger:#ff3e1d;
  --shadow:0 2px 8px rgba(67,89,113,.12);
  --radius:12px;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Public Sans',system-ui,-apple-system,sans-serif;font-size:14px;}
a{text-decoration:none;color:inherit;}

/* Layout */
.layout{display:flex;min-height:100vh;}
.sidebar{width:260px;background:var(--card);box-shadow:var(--shadow);display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;flex-shrink:0;}
.brand{display:flex;align-items:center;gap:10px;padding:20px 22px;font-weight:700;font-size:18px;color:var(--ink);}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#8a8dff);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;}
.menu{padding:8px 14px;display:flex;flex-direction:column;gap:3px;}
.menu .lbl{font-size:11px;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);padding:14px 10px 6px;}
.menu a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;color:#67737e;font-weight:500;}
.menu a .ic{width:20px;display:inline-flex;align-items:center;justify-content:center;}
.menu a:hover{background:#f3f3f7;color:var(--ink);}
.menu a.active{background:rgba(105,108,255,.12);color:var(--primary);font-weight:600;}

.main{flex:1;min-width:0;display:flex;flex-direction:column;}
.navbar{background:var(--card);box-shadow:var(--shadow);margin:14px 18px;border-radius:var(--radius);
  padding:12px 18px;display:flex;align-items:center;gap:14px;}
.navbar h1{font-size:17px;margin:0;font-weight:600;}
.navbar .sp{flex:1;}
.navbar .user{font-size:13px;color:var(--muted);}
.navbar .avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#8a8dff);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;}
.content{padding:4px 18px 24px;}

/* Card */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);}
.card .hd{padding:16px 20px;border-bottom:1px solid var(--line);font-weight:600;display:flex;align-items:center;justify-content:space-between;}
.card .bd{padding:18px 20px;}

/* Buttons */
.btn{border:none;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;
  font-family:inherit;background:var(--primary);color:#fff;box-shadow:0 2px 4px rgba(105,108,255,.4);}
.btn:hover{background:var(--primary-d);}
.btn.ghost{background:rgba(105,108,255,.12);color:var(--primary);box-shadow:none;}
.btn.sm{padding:6px 12px;font-size:13px;}
.btn.danger{background:rgba(255,62,29,.12);color:var(--danger);box-shadow:none;}
.btn.danger:hover{background:rgba(255,62,29,.2);}

/* Form */
label{display:block;font-size:13px;font-weight:600;color:#566a7f;margin-bottom:6px;}
input,select{width:100%;padding:9px 12px;border:1px solid #d9dee3;border-radius:8px;font-size:14px;font-family:inherit;color:var(--ink);}
input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(105,108,255,.15);}

/* Table */
table{width:100%;border-collapse:collapse;}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);font-size:14px;}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;}

/* Badge / dot */
.badge{font-size:11px;padding:3px 10px;border-radius:30px;font-weight:600;}
.badge.primary{background:rgba(105,108,255,.14);color:var(--primary);}
.badge.muted{background:#f1f1f5;color:var(--muted);}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;}
.dot.on{background:var(--ok);box-shadow:0 0 0 3px rgba(113,221,55,.2);}
.dot.off{background:#c7ced6;}

/* Grid of cams */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px;}
.cam{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .1s;}
.cam:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(67,89,113,.18);}
.cam .top{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;}
.cam .nm{font-weight:600;display:flex;align-items:center;gap:8px;}
.cam .tm{font-size:11px;color:var(--muted);}
.cam .thumb{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top;background:#f3f3f7;display:block;cursor:pointer;border-top:1px solid var(--line);}
.cam .noimg{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:#c7ced6;font-size:13px;border-top:1px solid var(--line);}

/* Lightbox */
.lb{position:fixed;inset:0;background:rgba(34,38,58,.88);display:none;align-items:center;justify-content:center;z-index:200;padding:24px;}
.lb.show{display:flex;}
.lb img{max-width:95vw;max-height:90vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.6);}
.lb .close{position:absolute;top:18px;right:26px;color:#fff;font-size:36px;cursor:pointer;line-height:1;}
.lb .cap{position:absolute;bottom:20px;color:#e2e8f0;font-size:13px;}

/* toast message */
.msg{font-size:13px;padding:10px 14px;border-radius:8px;display:none;}
.msg.ok{background:rgba(113,221,55,.14);color:#5a9e1f;}
.msg.err{background:rgba(255,62,29,.12);color:var(--danger);}

@media(max-width:820px){
  .sidebar{position:fixed;left:-260px;z-index:100;transition:left .2s;}
  .sidebar.open{left:0;}
  .menu-toggle{display:inline-flex!important;}
}
.menu-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink);}