:root{
  --bg:#f4f8fc;
  --card:#ffffff;
  --line:#dfe8f2;
  --line-2:#edf2f7;
  --text:#10396b;
  --muted:#6883a6;
  --primary:#0b78e3;
  --primary-dark:#0a5fc1;
  --nav:#062e61;
  --nav-2:#0a447f;
  --success:#27b36a;
  --warning:#f3a21e;
  --danger:#ef4d5a;
  --purple:#7f55df;
  --shadow:0 10px 28px rgba(17,65,116,.08);
  --radius:22px;
  --radius-sm:16px;
  --sidebar-width:270px;
  --topbar-height:78px;
  --font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,select{font-family:inherit}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg,var(--nav) 0%, #052854 100%);color:#fff;padding:22px 18px;position:fixed;inset:0 auto 0 0;overflow:auto;z-index:20}
.sidebar .brand{display:flex;align-items:center;gap:14px;padding:4px 10px 24px}
.logo-drop{width:34px;height:48px;background:linear-gradient(180deg,#49b0ff,#0b78e3);border-radius:22px 22px 22px 6px;transform:rotate(10deg);position:relative;box-shadow:inset 0 0 0 3px rgba(255,255,255,.25)}
.logo-drop::after{content:"";position:absolute;inset:7px;background:linear-gradient(180deg,rgba(255,255,255,.35),transparent 65%);border-radius:inherit}
.brand-text h1{font-size:28px;line-height:1;margin:0;font-weight:800;letter-spacing:.2px}
.brand-text p{margin:6px 0 0;font-size:14px;color:#c4dcfb}
.nav-list{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.nav-link{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:18px;color:#e9f3ff;font-size:17px;transition:.2s}
.nav-link svg{width:24px;height:24px;flex:0 0 24px;stroke:currentColor}
.nav-link.active{background:linear-gradient(180deg,#0d73d2,#0b68c1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.nav-link:not(.active):hover{background:rgba(255,255,255,.08)}
.sidebar-bottom{margin-top:48px;padding:16px 12px 0;color:#d0e5ff;font-size:14px}
.pipe-art{height:190px;border:1px solid rgba(138,182,236,.16);border-radius:24px;margin-bottom:18px;background:
 radial-gradient(circle at 22% 62%, rgba(69,145,255,.15) 0 12px, transparent 13px),
 radial-gradient(circle at 70% 30%, rgba(69,145,255,.18) 0 16px, transparent 17px),
 linear-gradient(90deg, transparent 0 20%, rgba(79,163,255,.16) 20% 21%, transparent 21% 52%, rgba(79,163,255,.16) 52% 53%, transparent 53%),
 linear-gradient(180deg, transparent 0 40%, rgba(79,163,255,.16) 40% 41%, transparent 41% 72%, rgba(79,163,255,.16) 72% 73%, transparent 73%);
 position:relative;overflow:hidden}
.pipe-art::before,.pipe-art::after{content:"";position:absolute;border:2px solid rgba(79,163,255,.2);border-radius:999px}
.pipe-art::before{width:120px;height:120px;left:-10px;bottom:-10px}
.pipe-art::after{width:74px;height:74px;right:18px;top:18px}
.university-badge{display:flex;align-items:center;gap:12px}
.university-badge svg{width:22px;height:22px}
.main{margin-left:var(--sidebar-width);width:calc(100% - var(--sidebar-width));min-height:100vh;padding:20px 20px 28px}
.topbar{height:var(--topbar-height);display:flex;align-items:center;gap:18px;margin-bottom:18px}
.mobile-menu{display:none;border:none;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:10px;cursor:pointer}
.searchbar{flex:1;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;height:56px;box-shadow:var(--shadow)}
.searchbar input{border:none;outline:none;flex:1;font-size:16px;color:var(--text);background:transparent}
.top-actions{display:flex;align-items:center;gap:14px;margin-inline-start:auto}
.icon-btn{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);position:relative}
.badge-dot{position:absolute;top:0;right:0;background:#ff3b30;color:#fff;border-radius:999px;min-width:20px;height:20px;padding:0 5px;font-size:12px;display:grid;place-items:center;font-weight:700;border:3px solid var(--bg)}
.avatar{width:46px;height:46px;border-radius:50%;background:#8ba2bb;color:#fff;display:grid;place-items:center;font-weight:700;box-shadow:var(--shadow)}
.user-meta{line-height:1.2}
.user-meta strong{display:block;font-size:18px}
.user-meta span{display:block;color:var(--muted);font-size:14px;margin-top:4px}
.lang-switch{display:flex;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.lang-btn{border:none;background:transparent;padding:12px 14px;cursor:pointer;font-weight:700;color:var(--muted)}
.lang-btn.active{background:var(--primary);color:#fff}
.page{display:flex;flex-direction:column;gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:stretch;overflow:hidden}
.hero-copy{padding:28px 28px 30px}
.eyebrow{display:flex;align-items:center;gap:14px;font-size:15px;font-weight:700;letter-spacing:2px;color:#1d4f8d;text-transform:uppercase}
.eyebrow::after{content:"";display:block;width:58px;height:3px;border-radius:999px;background:#87b8ef}
.hero h2{font-size:64px;line-height:1.05;margin:18px 0 10px;font-weight:900;max-width:700px}
.hero h2 .accent{color:var(--primary)}
.hero h3{font-size:23px;margin:0 0 14px;color:#244c7c;font-weight:700}
.hero p{margin:0 0 22px;color:var(--muted);font-size:18px;max-width:700px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:18px;padding:15px 24px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:.2s;font-size:18px}
.btn-primary{background:linear-gradient(180deg,var(--primary),var(--primary-dark));color:#fff}
.btn-primary:hover{filter:brightness(1.02)}
.btn-outline{background:#fff;border-color:#87b8ef;color:#17589e}
.btn-light{background:#fff;border-color:var(--line);color:var(--text)}
.hero-visual{position:relative;min-height:320px;background:linear-gradient(180deg,#edf6ff,#dfefff);display:flex;align-items:stretch;justify-content:stretch}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-annot{position:absolute;color:#1d4580;font-family:Georgia,serif;font-style:italic;font-size:18px;font-weight:700;text-shadow:0 1px 0 rgba(255,255,255,.7)}
.hero-annot.formula{top:18px;right:26px;font-size:38px}
.hero-annot.q{left:58%;top:52%}
.hero-annot.p1{left:63%;top:34%}
.hero-annot.p2{left:77%;top:22%}
.hero-chip{position:absolute;right:26px;bottom:20px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-radius:18px;padding:14px 18px;color:#355782;font-weight:600;box-shadow:var(--shadow)}
.section-header{display:flex;align-items:center;justify-content:space-between;gap:20px}
.section-title-wrap{display:flex;align-items:center;gap:16px}
.section-icon{width:48px;height:48px;border-radius:15px;background:#eef6ff;display:grid;place-items:center;color:var(--primary)}
.section-icon svg{width:26px;height:26px}
.section-title h3{margin:0;font-size:42px;font-weight:800}
.section-title p{margin:6px 0 0;color:var(--muted);font-size:18px}
.modules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.module-card{padding:14px;display:flex;flex-direction:column;gap:14px;border-radius:20px}
.module-top{display:grid;grid-template-columns:135px 1fr;gap:18px;align-items:start}
.module-thumb{width:135px;height:120px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.module-thumb img{width:100%;height:100%;object-fit:cover}
.status-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;font-size:15px;font-weight:700}
.status-pill .dot{width:10px;height:10px;border-radius:50%}
.status-available{background:#e7f8ee;color:#1b9254}.status-available .dot{background:#39b56f}
.status-soon{background:#fff2df;color:#bf7a0a}.status-soon .dot{background:#f0ab2e}
.module-title{font-size:17px;font-weight:800;color:#255186;margin:4px 0}
.module-name{font-size:31px;line-height:1.1;margin:0 0 8px;font-weight:900;color:var(--text)}
.module-desc{color:var(--muted);font-size:17px;line-height:1.45;min-height:68px}
.module-meta{display:flex;align-items:center;gap:16px;color:#6a85a7;font-size:15px;flex-wrap:wrap}
.module-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}
.soft-icon{width:38px;height:38px;border-radius:12px;background:#f0f7ff;display:grid;place-items:center;color:#5386c7}
.soft-icon svg{width:22px;height:22px}
.features-row{display:grid;grid-template-columns:1.55fr 1fr;gap:18px}
.steps-card{padding:20px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;align-items:start;margin-top:18px}
.step{display:flex;gap:12px;align-items:flex-start;position:relative;padding-right:10px}
.step:not(:last-child)::after{content:"";position:absolute;inset-inline-end:-4px;top:22px;width:18px;height:2px;border-radius:999px;background:#9ac1ef}
.step-badge{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;flex:0 0 34px}
.step:nth-child(1) .step-badge{background:#0b78e3}
.step:nth-child(2) .step-badge{background:#2eb86b}
.step:nth-child(3) .step-badge{background:#f39c18}
.step:nth-child(4) .step-badge{background:#8a5be1}
.step h4{margin:0 0 4px;font-size:19px}
.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.4}
.resources-card{padding:20px}
.resources-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.resource-tile{display:flex;gap:16px;align-items:flex-start;padding:18px;border:1px solid var(--line-2);border-radius:18px;background:#fcfeff}
.resource-tile h4{margin:0 0 6px;font-size:19px}
.resource-tile p{margin:0 0 8px;color:var(--muted);font-size:15px;line-height:1.4}
.resource-link{color:var(--primary);font-weight:700}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:#6582a6;font-weight:600;font-size:15px}
.breadcrumb span.current{color:var(--primary-dark)}
.page-header-card{padding:18px 18px 16px}
.tp-head{display:grid;grid-template-columns:260px 1fr auto;gap:22px;align-items:center}
.tp-head-thumb{border-radius:18px;overflow:hidden;border:1px solid var(--line);height:160px}
.tp-head-thumb img{width:100%;height:100%;object-fit:cover}
.tp-head h1{font-size:60px;line-height:1.05;margin:6px 0 10px;font-weight:900}
.tp-head .objective{font-size:18px;color:#57779d;max-width:920px;line-height:1.45}
.inline-meta{display:flex;gap:24px;flex-wrap:wrap;color:#6280a4;font-size:16px;font-weight:600;margin-top:18px}
.inline-meta span{display:inline-flex;align-items:center;gap:10px}
.actions-col{display:flex;flex-direction:column;gap:14px;min-width:290px}
.subtabs{display:flex;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line-2);margin-top:16px;padding-top:16px}
.subtab{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:16px;color:#5b7ea7;font-weight:700}
.subtab.active{background:#edf6ff;color:var(--primary);box-shadow:inset 0 -3px 0 var(--primary)}
.two-col{display:grid;grid-template-columns:1.5fr .65fr;gap:18px}
.block{padding:18px}
.block-title{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:800;margin:0 0 16px}
.block-title .section-icon{width:42px;height:42px;border-radius:12px;flex:0 0 42px}
.setup-canvas{border-radius:20px;overflow:hidden;border:1px solid var(--line);position:relative}
.setup-canvas img{width:100%;height:100%;object-fit:cover}
.callout{position:absolute;background:#fff;border:1px solid #dce8f7;border-radius:12px;padding:10px 12px;box-shadow:var(--shadow);font-weight:800;color:#2a5a93;text-align:center;font-size:16px}
.callout::after{content:"";position:absolute;width:2px;background:#7cb1ea;height:38px}
.callout.c1{left:34px;top:26px}.callout.c1::after{left:50%;top:100%}
.callout.c2{left:240px;top:10px}.callout.c2::after{left:50%;top:100%}
.callout.c3{left:50%;top:74px;transform:translateX(-50%)}.callout.c3::after{left:50%;top:100%}
.callout.c4{right:120px;top:90px}.callout.c4::after{left:50%;top:100%}
.callout.c5{right:46px;bottom:86px}.callout.c5::after{left:-16px;top:50%;height:2px;width:16px;background:#7cb1ea}
.number-list{display:grid;gap:12px}
.number-item{display:flex;gap:14px;align-items:flex-start;color:#4d6d95;font-size:18px;line-height:1.5}
.number-bullet{width:36px;height:36px;border-radius:50%;background:linear-gradient(180deg,#0f7ce6,#0969c8);color:#fff;display:grid;place-items:center;font-weight:800;flex:0 0 36px}
.side-card{padding:18px}
.side-list{display:grid;gap:12px;color:#4d6d95;font-size:18px}
.side-list-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.side-list-item:last-child{border-bottom:none}
.notice-card{padding:18px}
.notice-card.warning h4{color:#de3d37}
.notice-card.success h4{color:#1b9958}
.notice-card ul{margin:10px 0 0;padding-left:22px;color:#56779d;font-size:17px;line-height:1.5}
.measure-layout{display:grid;grid-template-columns:.8fr 1.45fr;gap:18px}
.measure-panel{padding:18px}
.photo-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fbfdff}
.photo-card .caption{display:flex;align-items:center;gap:10px;padding:12px 14px;color:#5d7fa6;background:#f5faff}
.upload-list{margin-top:18px;display:grid;gap:12px}
.upload-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line-2);border-radius:16px}
.upload-row strong{display:block;font-size:18px}
.upload-row span{color:var(--muted);font-size:14px}
.check-ok{width:28px;height:28px;border-radius:50%;background:#e7f8ee;color:#1b9958;display:grid;place-items:center;font-weight:900}
.measure-form .form-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:14px}
.segmented{display:flex;background:#f2f7fd;border-radius:14px;padding:4px;gap:4px;border:1px solid var(--line)}
.segmented button{border:none;background:transparent;padding:10px 18px;border-radius:10px;font-weight:700;color:#6280a4}
.segmented button.active{background:#0c76de;color:#fff}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 26px}
.field label{display:flex;align-items:center;gap:8px;font-weight:700;margin-bottom:8px;color:#355983}
.field-box{display:grid;grid-template-columns:1fr auto;align-items:center;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;min-height:56px}
.field-box input{border:none;padding:16px;font-size:22px;font-weight:700;color:var(--text);min-width:0;outline:none}
.field-box span{padding:0 16px;color:#6e89aa;font-weight:700;border-inline-start:1px solid var(--line);align-self:stretch;display:grid;place-items:center;background:#f8fbff}
.field-box.disabled{background:#f4f7fb}
.value-tiles{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:16px}
.value-tile{border-radius:18px;padding:16px;border:1px solid var(--line);background:#fff}
.value-tile.green{background:#f0fbf6}.value-tile.blue{background:#f1f8ff}.value-tile.purple{background:#f7f1ff}.value-tile.orange{background:#fff7ed}
.value-tile h5{margin:0 0 12px;font-size:18px;color:#40709f}
.value-tile strong{display:block;font-size:44px;line-height:1;font-weight:900}
.value-tile span{color:#5e80a7;font-size:18px}
.chart-and-note{display:grid;grid-template-columns:1.15fr .75fr;gap:16px;margin-top:16px}
.chart-box{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}
.chart-box h4{margin:0 0 12px;font-size:20px}
.fake-chart{height:255px;border-radius:14px;background:
 linear-gradient(to right,#eef3f9 1px,transparent 1px),
 linear-gradient(to top,#eef3f9 1px,transparent 1px),
 #fff;background-size:54px 54px;position:relative;overflow:hidden}
.fake-chart svg{position:absolute;inset:0}
.chart-legend{display:flex;justify-content:flex-end;gap:18px;color:#5d7ea5;font-size:14px;margin-bottom:8px}
.dotline{display:inline-flex;align-items:center;gap:8px}.dotline::before{content:"";width:12px;height:12px;border-radius:50%;background:#2d81ea}.dotline.gray::before{background:#a9bacd}
.note-box{padding:18px;border:1px solid #f4dbb7;border-radius:18px;background:#fff8ef;color:#6e4d14}
.note-box h4{margin:0 0 10px;font-size:21px;color:#d07e0f}
.note-box ul{margin:8px 0 0;padding-left:20px;line-height:1.65;font-size:18px}
.action-bar{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:18px}
.action-bar .left,.action-bar .right{display:flex;gap:12px;flex-wrap:wrap}
.metric-card-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{padding:18px;display:flex;align-items:center;gap:16px}
.metric-card strong{display:block;font-size:52px;line-height:1;margin-bottom:6px}
.metric-card span{color:var(--muted)}
.progress-ring{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:conic-gradient(var(--ring-color) calc(var(--value) * 1%), #e8eef6 0)}
.progress-ring::before{content:attr(data-label);width:54px;height:54px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--text)}
.teacher-layout{display:grid;grid-template-columns:.93fr 1.2fr;gap:18px}
.table-shell{padding:16px}
.table-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px}
.table-head h3{margin:0;font-size:24px}
.table-head p{margin:4px 0 0;color:var(--muted)}
.table{width:100%;border-collapse:separate;border-spacing:0 8px;font-size:15px}
.table thead th{color:#6784a7;font-weight:800;text-align:left;padding:8px 10px}
.table tbody tr{background:#fff}
.table tbody td{padding:12px 10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.table tbody td:first-child{border-left:1px solid var(--line);border-top-left-radius:14px;border-bottom-left-radius:14px}
.table tbody td:last-child{border-right:1px solid var(--line);border-top-right-radius:14px;border-bottom-right-radius:14px}
.table tbody tr.selected td{background:#f1f7ff}
.status-mini{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:13px;font-weight:800}
.sm-green{background:#e8f8ee;color:#23935c}.sm-orange{background:#fff0de;color:#c07a08}.sm-red{background:#ffe7e9;color:#e4404d}
.pill-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:12px;border:1px solid var(--line);background:#fff;color:#145ea9;font-weight:800}
.teacher-card{padding:16px}
.teacher-card h2{margin:0;font-size:34px}
.teacher-card .sub{margin:6px 0 0;color:var(--muted)}
.detail-panel{padding:16px}
.tabs-small{display:flex;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--line-2);padding-bottom:12px;margin-bottom:16px}
.tabs-small a{font-weight:800;color:#6a87a8;padding:8px 0}
.tabs-small a.active{color:var(--primary);box-shadow:inset 0 -3px 0 var(--primary)}
.detail-grid{display:grid;grid-template-columns:1fr 1fr .85fr;gap:16px}
.info-table{width:100%;border-collapse:collapse;font-size:14px}
.info-table th,.info-table td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.info-table th{background:#f5f9fe;color:#5d7ea5}
.badge-green-row{background:#e9f8ef;color:#1a9658;font-weight:900;padding:10px 12px;border-radius:12px;margin-top:10px}
.proofs h4{margin:0 0 10px;font-size:18px}
.proof-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.proof-thumbs img,.video-thumb img{height:86px;width:100%;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
.video-thumb{position:relative}
.video-thumb .play{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:rgba(7,35,75,.55);display:grid;place-items:center;color:#fff;font-size:22px}
.rubric{display:grid;grid-template-columns:repeat(5,1fr) 1.2fr;gap:12px;align-items:start;margin-top:14px}
.rubric-card{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fbfdff}
.rubric-card h5{margin:0 0 10px;font-size:15px}
.score-select{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff;font-weight:800}
.comment-box{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff;min-height:124px;color:#4f6f95;line-height:1.5}
.report-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px}
.report-head-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:18px;align-items:start}
.evidence-card,.preview-card{padding:16px}
.evidence-item{border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:14px;display:grid;grid-template-columns:290px 1fr;gap:14px;align-items:center}
.evidence-item .thumb{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fbfdff}
.evidence-item .thumb img{width:100%;height:100%;object-fit:cover}
.evidence-meta strong{display:block;font-size:24px;margin-bottom:4px}
.evidence-meta p{margin:0 0 12px;color:var(--muted)}
.file-chip{display:flex;align-items:center;gap:10px;margin:8px 0;color:#3f6e9f;font-weight:700}
.file-chip small{display:block;color:#7b93ae;font-weight:600}
.verify-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin-top:14px;color:#4d6d95}
.verify-item{display:flex;align-items:center;gap:10px}
.pdf-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px}
.pdf-actions{display:flex;gap:12px;flex-wrap:wrap}
.pdf-viewer{border:1px solid var(--line);border-radius:18px;background:#f7fbff;overflow:hidden}
.viewer-top{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--line);background:#fff}
.viewer-pages{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:14px}
.pdf-page{background:#fff;border:1px solid var(--line);border-radius:12px;min-height:700px;padding:28px;box-shadow:var(--shadow)}
.pdf-page h4{margin:0 0 10px;font-size:18px}
.pdf-brand{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}
.pdf-brand .drop{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900}
.pdf-brand .drop .mini{width:24px;height:34px}
.pdf-page h2{font-size:33px;margin:10px 0 12px}
.pdf-page p{color:#55769e;line-height:1.45}
.pdf-table{width:100%;border-collapse:collapse;font-size:13px;margin:8px 0 16px}
.pdf-table th,.pdf-table td{border:1px solid #cfdbeb;padding:6px 8px;text-align:center}
.pdf-table th{background:#f5f9fd}
.page-chart-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mini-chart{height:150px;border:1px solid #dbe5f0;border-radius:10px;background:linear-gradient(to right,#eef3f8 1px,transparent 1px), linear-gradient(to top,#eef3f8 1px,transparent 1px), #fff;background-size:32px 32px;position:relative;overflow:hidden}
.mini-chart svg{position:absolute;inset:0}
.info-box{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.info-line{display:flex;align-items:center;gap:10px;color:#4e7198;margin-top:8px}
.rtl .sidebar{inset:0 0 0 auto}
.rtl .main{margin-left:0;margin-right:var(--sidebar-width)}
.rtl .hero-copy,.rtl .main,.rtl body{text-align:right}
.rtl .section-header,.rtl .tp-head,.rtl .module-top,.rtl .module-footer,.rtl .topbar,.rtl .table-head,.rtl .pdf-toolbar,.rtl .viewer-top{direction:rtl}
.rtl .callout.c5::after{right:-16px;left:auto}
.rtl .field-box span{border-inline-start:none;border-inline-end:1px solid var(--line)}
.rtl .side-list-item,.rtl .number-item,.rtl .info-line,.rtl .nav-link,.rtl .upload-row,.rtl .verify-item,.rtl .section-title-wrap,.rtl .hero-actions,.rtl .metric-card{flex-direction:row-reverse}
.rtl .searchbar,.rtl .top-actions{direction:rtl}
.rtl .chart-legend,.rtl .callout,.rtl .breadcrumb{direction:rtl}
@media (max-width: 1480px){
  .hero h2{font-size:48px}
  .tp-head h1{font-size:46px}
  .module-name{font-size:26px}
  .section-title h3{font-size:34px}
  .detail-grid,.report-layout,.teacher-layout,.measure-layout,.two-col,.features-row,.metric-card-row{grid-template-columns:1fr}
  .modules-grid{grid-template-columns:repeat(2,1fr)}
  .value-tiles{grid-template-columns:repeat(2,1fr)}
  .chart-and-note,.report-head-grid{grid-template-columns:1fr}
}
@media (max-width: 1100px){
  .sidebar{transform:translateX(-100%);transition:.25s}
  .sidebar.open{transform:none}
  .main{margin-left:0;width:100%}
  .mobile-menu{display:inline-grid;place-items:center}
  .hero,.tp-head{grid-template-columns:1fr}
  .modules-grid,.steps{grid-template-columns:1fr}
  .module-top,.rubric,.viewer-pages,.info-box,.detail-grid,.form-grid{grid-template-columns:1fr}
  .module-thumb{width:100%;height:180px}
  .actions-col{min-width:0}
  .value-tiles{grid-template-columns:1fr 1fr}
  .evidence-item{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .main{padding:14px}
  .topbar{height:auto;flex-wrap:wrap}
  .searchbar{order:3;width:100%}
  .hero h2{font-size:38px}
  .section-title h3{font-size:28px}
  .module-name{font-size:22px}
  .tp-head h1{font-size:34px}
  .value-tiles{grid-template-columns:1fr}
  .chart-and-note,.measure-layout,.teacher-layout,.report-layout,.two-col{grid-template-columns:1fr}
  .modules-grid,.resources-grid,.verify-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}
@media print{
  .sidebar,.topbar,.breadcrumb,.page-header-card,.evidence-card,.pdf-toolbar,.viewer-top{display:none!important}
  .main{margin:0!important;width:100%!important;padding:0!important;background:#fff!important}
  .report-layout{display:block!important}
  .preview-card{border:none!important;box-shadow:none!important;padding:0!important}
  .pdf-viewer{border:none!important;background:#fff!important}
  .viewer-pages{display:block!important;padding:0!important}
  .pdf-page{box-shadow:none!important;border:none!important;border-radius:0!important;page-break-after:always;min-height:auto!important}
  body{background:#fff!important}
}
/* ===== FluidLab V4 generic laboratory engine ===== */
.lab-hero{display:grid;grid-template-columns:190px 1fr auto;gap:22px;align-items:center;padding:18px}
.lab-cover{height:132px;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#eef6ff}
.lab-cover img{width:100%;height:100%;object-fit:cover}
.lab-hero h1{font-size:46px;line-height:1.06;margin:7px 0 8px;font-weight:900}
.lab-ref-badge{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 12px;font-weight:800;font-size:13px;background:#eef6ff;color:#2864a1;border:1px solid #d8e7f8}
.lab-ref-badge.calibrated{background:#eaf9f0;color:#19784a;border-color:#ccefdc}
.lab-progress{display:flex;gap:8px;flex-wrap:wrap;padding:12px 14px;border-top:1px solid var(--line-2);margin-top:14px}
.lab-stage{border:none;background:#f7fbff;color:#5d7da2;padding:11px 14px;border-radius:14px;font-weight:800;cursor:pointer;display:flex;gap:8px;align-items:center}
.lab-stage.active{background:#0c77df;color:#fff}
.lab-stage.done:not(.active){background:#eaf8f0;color:#268956}
.lab-stage-index{width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.85);color:#0c77df;display:grid;place-items:center;font-size:12px;font-weight:900}
.lab-stage:not(.active) .lab-stage-index{background:#eaf2fb;color:#5d7da2}
.lab-section{display:none}.lab-section.active{display:block}
.lab-grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
.lab-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lab-card{padding:20px}
.lab-card h3{margin:0 0 12px;font-size:25px}
.lab-card p{color:#5f7fa5;line-height:1.55;font-size:16px}
.form-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.lab-field{border:1px solid var(--line);border-radius:16px;background:#fff;padding:12px}
.lab-field label{display:block;color:#43678e;font-weight:800;font-size:14px;margin-bottom:7px}
.lab-field-control{display:grid;grid-template-columns:1fr auto;align-items:stretch;border:1px solid #dfe7f1;border-radius:12px;overflow:hidden;background:#fff}
.lab-field-control input,.lab-field-control select,.lab-field-control textarea{width:100%;border:0;outline:0;padding:12px 13px;font-size:16px;color:var(--text);background:#fff;min-width:0}
.lab-field-control span{display:grid;place-items:center;padding:0 11px;border-inline-start:1px solid var(--line);background:#f7faff;color:#6f88a8;font-weight:700;min-width:52px}
.lab-field-control textarea{min-height:150px;resize:vertical}
.lab-field.readonly{background:#f5f8fc}.lab-field.readonly input{background:#f5f8fc}
.lab-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}
.lab-data-table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
.lab-data-table th{position:sticky;top:0;background:#f5f9fe;color:#58799e;padding:11px 10px;text-align:left;font-size:13px;border-bottom:1px solid var(--line);z-index:2}
.lab-data-table td{padding:8px 9px;border-bottom:1px solid #edf2f7;vertical-align:middle}
.lab-data-table tbody tr:last-child td{border-bottom:0}
.lab-data-table input,.lab-data-table select{width:100%;min-width:90px;border:1px solid #dce6f0;border-radius:10px;padding:9px 10px;background:#fff;color:var(--text)}
.lab-data-table input:disabled,.lab-data-table select:disabled{background:#f2f5f8;color:#7a8da5}
.row-num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#edf6ff;color:#0d6dcc;font-weight:900;margin:auto}
.row-remove{border:none;background:#fff1f2;color:#d43b49;border-radius:10px;padding:7px 9px;cursor:pointer}
.lab-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:14px 0}
.lab-toolbar-left,.lab-toolbar-right{display:flex;gap:10px;flex-wrap:wrap}
.small-btn{border:1px solid var(--line);background:#fff;color:#2463a4;border-radius:12px;padding:9px 13px;font-weight:800;cursor:pointer}
.small-btn.primary{background:#0b78e3;color:#fff;border-color:#0b78e3}
.small-btn.danger{color:#c93d49;border-color:#f0ccd0;background:#fff7f8}
.lab-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.lab-summary-card{padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}
.lab-summary-card span{display:block;color:#6984a6;font-weight:700;font-size:13px;min-height:36px}
.lab-summary-card strong{display:block;font-size:29px;margin-top:8px;color:#123f73}
.lab-summary-card small{color:#6f87a6;font-weight:700}
.quality-wrap{display:grid;grid-template-columns:170px 1fr;gap:22px;align-items:center}
.quality-circle{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#23ad68 calc(var(--score)*1%),#e5edf6 0);position:relative;margin:auto}
.quality-circle::before{content:"";position:absolute;width:114px;height:114px;border-radius:50%;background:#fff}
.quality-circle strong{position:relative;font-size:34px;color:#174b7e}
.quality-bars{display:grid;gap:10px}
.quality-line{display:grid;grid-template-columns:130px 1fr 46px;gap:10px;align-items:center;color:#58799d;font-size:14px;font-weight:700}
.quality-track{height:9px;border-radius:999px;background:#e8eef6;overflow:hidden}
.quality-fill{height:100%;border-radius:999px;background:#2a83e8}
.lab-warning-list{display:grid;gap:9px}
.lab-warning{padding:11px 13px;border-radius:12px;background:#fff8ec;border:1px solid #f4ddb7;color:#8a5b10;font-size:14px}
.lab-good{padding:11px 13px;border-radius:12px;background:#eefaf3;border:1px solid #d5efdf;color:#1d8050;font-size:14px}
.v4-chart{border:1px solid var(--line);border-radius:18px;background:#fff;padding:12px;overflow:hidden}
.v4-chart svg{width:100%;height:330px;display:block}
.chart-axis{stroke:#91a7c0;stroke-width:1}.chart-grid{stroke:#edf2f7;stroke-width:1}.chart-text{fill:#6783a4;font-size:11px}.chart-label{fill:#3e638b;font-size:12px;font-weight:700}
.ref-card{padding:16px;border-radius:16px;border:1px solid #d8e7f8;background:#f6faff}
.ref-card.calibrated{border-color:#cdecd9;background:#f2fbf6}
.ref-card h4{margin:0 0 7px;font-size:18px}.ref-card p{margin:0;color:#6682a4;font-size:14px}
.lab-evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.lab-evidence{border:1px solid var(--line);border-radius:18px;padding:14px;background:#fff}
.lab-evidence-preview{height:135px;border-radius:14px;background:#eff5fb;overflow:hidden;display:grid;place-items:center;color:#7d96b2;font-size:30px;margin-bottom:12px;position:relative}
.lab-evidence-preview img{width:100%;height:100%;object-fit:cover}
.lab-evidence h4{margin:0 0 5px}.lab-evidence p{font-size:13px;color:#728aa6;min-height:38px}
.lab-report-preview{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;min-height:720px}
.lab-report-preview h1{font-size:30px;margin:8px 0 16px}.lab-report-preview h2{font-size:21px;margin:24px 0 10px}.lab-report-preview p{color:#4e7097;line-height:1.6}.lab-report-preview table{width:100%;border-collapse:collapse;font-size:13px}.lab-report-preview th,.lab-report-preview td{border:1px solid #d9e3ee;padding:7px 8px}.lab-report-preview th{background:#f5f9fd}
.report-brandline{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #dce9f7;padding-bottom:14px;margin-bottom:20px}
.lock-panel{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fbfdff;flex-wrap:wrap}
.lock-panel.locked{background:#eff9f3;border-color:#cdebd9}
.lock-state{font-weight:900;color:#4e7098}.lock-panel.locked .lock-state{color:#1c8852}
.v4-banner{padding:12px 14px;border-radius:14px;border:1px solid #d7e7f9;background:#f5faff;color:#40688f;font-size:14px;line-height:1.5}
.v4-banner strong{color:#164f88}
.profile-table{margin-top:16px}
@media(max-width:1300px){.lab-grid-2,.lab-grid-3{grid-template-columns:1fr}.lab-summary-grid{grid-template-columns:repeat(2,1fr)}.lab-hero{grid-template-columns:150px 1fr}.lab-hero>.actions-col{grid-column:1/-1;flex-direction:row}.lab-evidence-grid{grid-template-columns:1fr}}
@media(max-width:760px){.lab-hero{grid-template-columns:1fr}.lab-cover{height:180px}.lab-hero h1{font-size:34px}.form-cards,.lab-summary-grid{grid-template-columns:1fr}.quality-wrap{grid-template-columns:1fr}.quality-line{grid-template-columns:100px 1fr 40px}.lab-stage{padding:9px 10px;font-size:12px}}
@media print{
  .sidebar,.topbar,.lab-progress,.no-print,.lab-toolbar,.btn,.small-btn{display:none!important}
  .main{margin:0!important;width:100%!important;padding:0!important;background:#fff}
  .page>section:not(#stage-report){display:none!important}
  #stage-report{display:block!important}
  #stage-report>.lab-grid-2>div:first-child{display:none!important}
  #stage-report>.lab-grid-2{display:block!important}
  .lab-report-preview{border:none;box-shadow:none;padding:0}
}
.reference-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media(max-width:1100px){.reference-grid{grid-template-columns:1fr}}