@import url('../../assets/css/base.css?v=42c2a1c25176');
body{padding:0}.lab-main{padding-top:24px}.lab-topbar{margin-bottom:14px}.lab-topbar .welcome h1{font-size:clamp(29px,2.7vw,43px)}
.thanh-bai{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:0 0 18px}.tab{min-width:0;border:1px solid #e1ebf5;background:#fff;border-radius:17px;padding:11px 12px;display:flex;align-items:center;gap:10px;text-align:left;cursor:pointer;box-shadow:0 8px 20px rgba(33,77,125,.07);transition:.16s transform,.16s border,.16s box-shadow}.tab:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(33,77,125,.12)}.tab img{width:58px;height:58px;object-fit:contain;background:#f7fbff;border-radius:13px;padding:4px}.tab span{min-width:0}.tab strong{display:block;color:var(--navy-deep);font-size:15px;white-space:nowrap}.tab small{display:block;color:var(--muted);font-size:11px;line-height:1.25;margin-top:3px}.tab.dang-chon{border-color:#ffb36f;background:linear-gradient(145deg,#fff,#fff7f0);box-shadow:0 10px 22px rgba(255,125,24,.13)}.tab.dang-chon strong{color:var(--orange)}
.lab-heading-card{display:flex;align-items:center;gap:22px;background:#fff;border:1px solid #e1ebf5;border-radius:20px;padding:18px 22px;margin-bottom:14px;box-shadow:var(--shadow)}.lab-heading-icon{width:144px;height:144px;flex:0 0 144px;border-radius:24px;background:linear-gradient(145deg,#fff2e7,#fff);border:1px solid #ffe0c4;display:grid;place-items:center;overflow:hidden}.lab-heading-icon img{width:136px;height:136px;object-fit:contain}.lab-heading-card h2{margin:0 0 3px;color:var(--navy-deep);font-size:26px}.lab-heading-card p{margin:0;color:var(--muted)}
.trang-bai{display:none}.trang-bai.dang-chon{display:block}.bo-cuc{display:grid;grid-template-columns:minmax(0,2fr) minmax(315px,.82fr);gap:14px;align-items:start}.khu-mo-phong{padding:16px}.cot-phu{display:grid;gap:14px}.cot-phu>.the{padding:15px}.dau-khoi{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:12px}.dau-khoi h2{margin:2px 0 0;font-size:20px}.dau-khoi p{margin:5px 0 0;color:var(--muted);font-size:13px;line-height:1.45}.ten-bai{margin:0!important;color:var(--orange)!important;font-size:11px!important;font-weight:900;letter-spacing:.08em}.khung-canvas{overflow:hidden;border-radius:15px;border:1px solid #d7e4f0;background:#f8fbff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.8)}.khung-canvas canvas{display:block;width:100%;height:auto;touch-action:none}.hang-nut{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.hang-thanh{display:grid;gap:6px;margin:10px 0 14px}.hang-thanh span{display:flex;justify-content:space-between;font-size:13px;font-weight:800}.hang-thanh b{color:var(--orange)}input[type=range]{width:100%;accent-color:var(--blue)}select{border:1px solid var(--line);padding:9px 10px;border-radius:10px;background:#fff;color:var(--navy);font-weight:800}
.goi-y h2,.nguyen-ly h2{margin:0 0 10px;font-size:17px}
.danh-sach-cam-bien{display:grid;gap:8px}.dong-cam-bien{display:grid;grid-template-columns:40px 1fr 46px;align-items:center;gap:8px}.ma-cam-bien{width:36px;height:34px;display:grid;place-items:center;border-radius:9px;background:#eef5fc;color:var(--navy);font-weight:900}.thanh-do{height:10px;background:#edf2f7;border-radius:999px;overflow:hidden}.thanh-do i{display:block;height:100%;background:linear-gradient(90deg,var(--orange),#ffb14b)}.gia-tri{text-align:right;font-weight:900;font-size:12px}.mau-nhi-phan{display:inline-block;padding:7px 10px;background:var(--navy);color:#fff;border-radius:999px;font-weight:900;letter-spacing:.12em}.o-so-lon{padding:16px;background:linear-gradient(145deg,#f7fbff,#fff);border:1px solid #e2edf7;border-radius:14px;text-align:center}.o-so-lon span{display:block;color:var(--muted);font-size:11px;font-weight:800}.o-so-lon strong{display:inline-block;font-size:40px;color:var(--navy-deep);margin:2px 5px}.o-so-lon em{font-style:normal;color:var(--muted);font-weight:800}.luoi-so{display:grid;grid-template-columns:1fr 1fr;gap:8px}.luoi-so>div{padding:10px;background:#f7fbff;border:1px solid #e5eef7;border-radius:11px}.luoi-so span{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}.luoi-so strong{color:var(--navy);font-size:14px}.goi-y{background:linear-gradient(145deg,#f3fff7,#fff)!important;border-color:#cdebd9!important}.goi-y ol{margin:8px 0 0 20px;padding:0;color:#3c5d4b;font-size:12px;line-height:1.45}.goi-y li{margin:6px 0}.nguyen-ly{background:linear-gradient(145deg,#fff6f3,#fff)!important;border-color:#ffd8cf!important}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.steps>div{padding:9px;border-radius:10px;background:rgba(255,255,255,.8);border:1px solid #ffe5df}.steps b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#ef5350;color:#fff;margin-bottom:6px}.steps strong{display:block;color:var(--navy);font-size:12px}.steps span{display:block;color:var(--muted);font-size:10px;line-height:1.35;margin-top:3px}.thong-bao{padding:12px 14px;border-radius:12px;font-weight:900;text-align:center;background:#eef5fc;color:var(--navy)}.thong-bao.canh-bao{background:#feecec;color:#a22a2a}.den{width:76px;height:76px;margin:10px auto;border-radius:50%;background:#94a3b8;box-shadow:inset 0 0 0 8px rgba(255,255,255,.55)}.den.xanh{background:#22c55e;box-shadow:0 0 30px rgba(34,197,94,.42),inset 0 0 0 8px rgba(255,255,255,.4)}.den.do{background:#ef4444;box-shadow:0 0 30px rgba(239,68,68,.32),inset 0 0 0 8px rgba(255,255,255,.4)}
@media(max-width:1250px){.thanh-bai{grid-template-columns:repeat(3,1fr)}.bo-cuc{grid-template-columns:1fr}.cot-phu{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.thanh-bai{grid-template-columns:1fr 1fr}.lab-heading-card{align-items:flex-start}.cot-phu{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.tab img{width:50px;height:50px}}
@media(max-width:560px){.thanh-bai{grid-template-columns:1fr}.lab-heading-card h2{font-size:21px}.dau-khoi{flex-direction:column}.luoi-so{grid-template-columns:1fr 1fr}}

/* Tương tác cảm biến va chạm */
#canvasVaCham{cursor:pointer}
#vaChamNhan{touch-action:none;user-select:none}
#vaChamNhan.dang-nhan{transform:translateY(1px) scale(.985);box-shadow:inset 0 3px 8px rgba(0,0,0,.16)}

/* Raw analog scale and compact embedded potentiometer lab. */
.bien-tro-scale { color:#405975; line-height:1; }
.bien-tro-scale small { font-size:12px; }
html.lab-embedded, html.lab-embedded body { min-height:0; background:#f5f9fd; }
.lab-embedded .lab-dashboard { display:block; min-height:0; background:#f5f9fd; }
.lab-embedded .sidebar, .lab-embedded .lab-topbar, .lab-embedded .thanh-bai,
.lab-embedded .lab-heading-card, .lab-embedded .chan-trang { display:none; }
.lab-embedded .lab-main { width:100%; max-width:none; margin:0; padding:10px; }
.lab-embedded [data-trang="bien-tro"] .bo-cuc { display:grid; grid-template-columns:1fr; gap:8px; }
.lab-embedded [data-trang="bien-tro"] .khu-mo-phong { padding:10px; border-radius:14px; box-shadow:none; }
.lab-embedded [data-trang="bien-tro"] .dau-khoi { margin-bottom:5px; }
.lab-embedded [data-trang="bien-tro"] .dau-khoi h2 { font-size:17px; line-height:1.2; }
.lab-embedded [data-trang="bien-tro"] .dau-khoi p { display:none; }
.lab-embedded [data-trang="bien-tro"] .khung-canvas { border-radius:9px; }
.lab-embedded #canvasBienTro { width:100%; height:clamp(140px,calc(100vh - 233px),290px); object-fit:contain; }
.lab-embedded [data-trang="bien-tro"] .hang-nut { gap:6px; margin-top:7px; }
.lab-embedded [data-trang="bien-tro"] .nut { flex:1; padding:7px 5px; font-size:12px; line-height:1.25; border-radius:8px; }
.lab-embedded [data-trang="bien-tro"] .cot-phu { display:block; }
.lab-embedded [data-trang="bien-tro"] .cot-phu>.the:not(:first-child) { display:none; }
.lab-embedded [data-trang="bien-tro"] .cot-phu>.the:first-child {
  display:grid; grid-template-columns:minmax(0,1fr) 110px; gap:14px;
  padding:10px; border-radius:14px; box-shadow:none; align-items:center;
}
.lab-embedded [data-trang="bien-tro"] .hang-thanh { margin:0; gap:5px; }
.lab-embedded [data-trang="bien-tro"] .hang-thanh>span { font-size:15px; color:#0b2447; }
.lab-embedded #bienTroNhan { font-size:21px; color:#0b63ce; }
.lab-embedded #bienTro { height:26px; margin:0; cursor:pointer; }
.lab-embedded [data-trang="bien-tro"] .o-so-lon { padding:8px 2px; }
.lab-embedded [data-trang="bien-tro"] .o-so-lon strong { font-size:28px; }
.lab-embedded [data-trang="bien-tro"] .o-so-lon span { font-size:10px; color:#405975; }
@media(max-width:350px) {
  .lab-embedded [data-trang="bien-tro"] .cot-phu>.the:first-child { grid-template-columns:minmax(0,1fr) 85px; gap:8px; }
  .lab-embedded [data-trang="bien-tro"] .hang-thanh>span { font-size:13px; }
}

/* Compact labs inside teaching slides. Full-page labs retain their original layout. */
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .bo-cuc {display:grid;grid-template-columns:1fr;gap:8px;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .khu-mo-phong {padding:9px;border-radius:13px;box-shadow:none;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .dau-khoi {margin-bottom:6px;gap:8px;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .dau-khoi h2 {font-size:17px;line-height:1.25;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .dau-khoi p {display:none;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .khung-canvas canvas {height:auto;width:100%;max-height:none;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .hang-nut {margin-top:7px;gap:5px;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .nut {padding:7px 6px;font-size:12px;line-height:1.3;border-radius:8px;flex:1;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .cot-phu {display:grid;gap:8px;grid-template-columns:1fr;}
.lab-embedded .trang-bai:not([data-trang="bien-tro"]) .cot-phu>.the {padding:9px;box-shadow:none;border-radius:12px;}
.lab-embedded .trang-bai .goi-y,.lab-embedded .trang-bai .nguyen-ly {display:none;}
.lab-embedded .hang-thanh {margin:0;gap:5px;}
.lab-embedded .hang-thanh input {height:24px;margin:0;}
.lab-embedded .hang-thanh span {color:#0b2447;font-size:14px;}
.lab-embedded .hang-thanh b {color:#0b63ce;font-size:19px;}
.lab-embedded .thong-bao {padding:8px;font-size:13px;line-height:1.3;}
.lab-embedded .luoi-so {grid-template-columns:repeat(2,1fr);gap:6px;}
.lab-embedded .luoi-so>div {padding:7px;}
.lab-embedded .luoi-so strong {font-size:14px;color:#0b2447;}
.lab-embedded .luoi-so span {font-size:11px;color:#334b66;}
.lab-embedded [data-trang="sieu-am"] .cot-phu>.the:not(:first-child) {display:none;}
.lab-embedded [data-trang="sieu-am"] .cot-phu>.the:first-child {display:grid;grid-template-columns:minmax(0,1fr) 100px;align-items:center;gap:12px;}
.lab-embedded [data-trang="sieu-am"] .o-so-lon {padding:6px;}
.lab-embedded [data-trang="sieu-am"] .o-so-lon strong {font-size:29px;}
.lab-embedded [data-trang="sieu-am"] .o-so-lon span {font-size:10px;color:#334b66;}
.lab-embedded [data-trang="do-am"] .cot-phu>.the:not(:first-child) {display:none;}
.lab-embedded [data-trang="do-am"] .cot-phu>.the:first-child {display:grid;grid-template-columns:minmax(0,1fr) 52px;align-items:center;gap:8px;}
.lab-embedded [data-trang="do-am"] .den {width:42px;height:42px;margin:0;}
.lab-embedded [data-trang="do-am"] .thong-bao {grid-column:1/-1;}
.lab-embedded [data-trang="line"] .cot-phu {grid-template-columns:1fr 1fr!important;}
.lab-embedded [data-trang="line"] .cot-phu .dau-khoi {flex-direction:column;gap:5px;}
.lab-embedded [data-trang="line"] .cot-phu h2 {font-size:14px;}
.lab-embedded [data-trang="line"] .mau-nhi-phan {font-size:12px;letter-spacing:0;padding:6px 9px;}
.lab-embedded [data-trang="line"] .dong-cam-bien {grid-template-columns:42px 1fr 27px;gap:5px;}
.lab-embedded [data-trang="line"] .ma-cam-bien {width:42px;height:27px;font-size:11px;}
.lab-embedded [data-trang="line"] .cot-phu>.the:nth-child(2) {display:grid;gap:10px;}
.lab-embedded #kieuDuong {font-size:12px;padding:6px;}
@media(max-width:460px){
 .lab-embedded [data-trang="line"] .cot-phu {grid-template-columns:1fr!important;}
 .lab-embedded [data-trang="line"] .danh-sach-cam-bien {grid-template-columns:1fr 1fr;}
 .lab-embedded [data-trang="line"] .cot-phu>.the:nth-child(2) {grid-template-columns:1fr 1fr;}
 .lab-embedded [data-trang="line"] .hang-thanh span {font-size:11px;}
 .lab-embedded [data-trang="line"] .hang-thanh b {font-size:15px;}
}
/* Fit both the animation and its controls without distorting pointer coordinates. */
.lab-embedded [data-trang="sieu-am"] .khung-canvas,
.lab-embedded [data-trang="do-am"] .khung-canvas {width:min(100%,max(275px,calc((100vh - 205px)*1.916667)));margin-inline:auto;}
.lab-embedded [data-trang="va-cham"] .khung-canvas {width:min(100%,max(275px,calc((100vh - 260px)*1.916667)));margin-inline:auto;}
.lab-embedded [data-trang="line"] .khung-canvas {width:min(100%,max(260px,calc((100vh - 240px)*1.642857)));margin-inline:auto;}
@media(max-width:460px){.lab-embedded [data-trang="line"] .khung-canvas {width:min(100%,max(235px,calc((100vh - 310px)*1.642857)));}}

/* Reserve space for the status panel as well as controls. */
.lab-embedded [data-trang="sieu-am"] .khung-canvas {width:min(100%,max(260px,calc((100vh - 235px)*1.916667)));}
.lab-embedded [data-trang="do-am"] .khung-canvas {width:min(100%,max(260px,calc((100vh - 245px)*1.916667)));}
.lab-embedded [data-trang="va-cham"] .khung-canvas {width:min(100%,max(250px,calc((100vh - 320px)*1.916667)));}
.lab-embedded [data-trang="line"] .khung-canvas {width:min(100%,max(250px,calc((100vh - 285px)*1.642857)));}
@media(max-width:460px){.lab-embedded [data-trang="line"] .khung-canvas {width:min(100%,max(235px,calc((100vh - 330px)*1.642857)));}}