:root{--navy:#071d49;--blue:#0c3f88;--orange:#ff7a00;--green:#19a83b;--ink:#172033;--muted:#68758a;--line:#e3e8ef;--bg:#f5f7fb;--white:#fff;--danger:#c52a32;--shadow:0 14px 38px rgba(15,23,42,.08)}*{box-sizing:border-box}html{font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}body{margin:0;background:var(--bg)}a{color:var(--blue);text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:grid;grid-template-columns:270px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;padding:28px 20px 20px;display:flex;flex-direction:column;background:#fff;border-right:1px solid var(--line);z-index:50}.brand{display:block;margin:0 8px 54px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.brand img{display:block;width:180px;height:66px;object-fit:contain;object-position:left center;margin-bottom:5px}.sidebar nav{display:grid;gap:7px}.sidebar nav a,.logout{display:flex;align-items:center;gap:13px;min-height:47px;padding:0 15px;border-radius:10px;color:#465264;font-weight:650}.sidebar nav a:hover,.sidebar nav a:focus{color:var(--navy);background:#fff0df}.logout{margin-top:auto;border:1px solid var(--line)}.workspace{min-width:0}.topbar{height:92px;padding:0 clamp(24px,4vw,62px);display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}.topbar>div:first-of-type{display:grid;gap:3px}.topbar small{color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.topbar strong{font-size:22px}.user-chip{display:flex;align-items:center;gap:10px}.user-chip>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800}.user-chip div{display:grid;font-weight:650}.user-chip div small{font-size:10px}.mobile-menu{display:none;background:none;border:0;font-size:25px}.content{padding:38px clamp(24px,4vw,62px) 70px}.alert{padding:13px 16px;margin-bottom:18px;border-radius:9px;font-weight:650}.alert-error{color:#8d1c22;background:#ffe7e8}.alert-success{color:#11652c;background:#e3f7e9}.alert-warning{color:#7c4d00;background:#fff1cc}.eyebrow{color:var(--orange);font-size:11px;font-weight:850;letter-spacing:.13em;text-transform:uppercase}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:25px}.section-heading h1{margin:4px 0 0;font-size:32px}.welcome{position:relative;overflow:hidden;min-height:170px;padding:35px 42px;display:flex;align-items:center;justify-content:space-between;border-radius:18px;color:#fff;background:linear-gradient(120deg,var(--navy),#0b448c);box-shadow:var(--shadow)}.welcome:after{content:"";position:absolute;right:-70px;top:-130px;width:310px;height:310px;border:35px solid rgba(255,122,0,.7);border-radius:50%}.welcome h1{margin:5px 0;font-size:38px}.welcome p{margin:0;color:#d8e5ff}.welcome-mark{position:relative;z-index:2;display:grid;place-items:center;width:78px;height:78px;border-radius:20px;background:var(--orange);font-size:42px;font-weight:900}.tabs{display:flex;width:360px;margin:38px 0 28px;border-bottom:1px solid var(--line)}.tabs button{flex:1;padding:13px;border:0;border-bottom:2px solid transparent;background:none;font-weight:700;color:var(--muted)}.tabs button.active{color:var(--navy);border-color:var(--orange)}.searchbox{position:relative;display:block;margin-bottom:32px}.searchbox span{position:absolute;left:18px;top:11px;font-size:26px}.searchbox input{width:100%;height:50px;padding:0 18px 0 52px;border:1px solid var(--line);border-radius:9px;background:#fff}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:25px}.course-card{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 9px 28px rgba(15,23,42,.06);transition:.2s}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.course-cover{position:relative;overflow:hidden;min-height:210px;padding:25px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;background:linear-gradient(140deg,#061736,#0b3977 65%,#ff7a00 150%)}.course-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.course-cover span,.course-cover strong{position:relative;z-index:2}.course-cover span{margin-bottom:8px;color:#ffba68;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.course-cover strong{font-size:25px;line-height:1.12}.course-cover i{position:absolute;right:-45px;top:-45px;width:160px;height:160px;border:24px solid rgba(255,122,0,.65);border-radius:50%}.course-card-body{padding:19px}.course-title{display:block;color:var(--ink);font-size:17px;font-weight:750}.provider{display:block;margin:4px 0 16px;color:#8a95a7;font-size:13px}.progress{height:7px;overflow:hidden;border-radius:99px;background:#ffe3c2}.progress span{display:block;height:100%;border-radius:inherit;background:var(--orange)}.course-meta{display:flex;justify-content:space-between;gap:10px;margin:9px 0 18px;color:#8893a5;font-size:11px}.course-meta strong{color:var(--orange)}.certificate-link{display:block;margin-top:12px;text-align:center;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 18px;border:1px solid transparent;border-radius:8px;font-weight:750}.btn-primary{color:#fff;background:var(--navy)}.btn-primary:hover{background:var(--orange)}.btn-outline{color:var(--navy);border-color:#cdd5e0;background:#fff}.btn-block{width:100%}.panel{margin-bottom:25px;padding:27px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 8px 25px rgba(15,23,42,.045)}.panel h2{margin:0 0 22px;font-size:21px}.panel.narrow{max-width:700px}.split{display:grid;grid-template-columns:minmax(280px,.7fr) minmax(0,1.7fr);gap:25px;align-items:start}.stack{display:grid;gap:16px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid .full{grid-column:1/-1}label{display:grid;gap:7px;color:#39465a;font-size:13px;font-weight:700}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #ccd5e1;border-radius:8px;background:#fff;color:var(--ink)}textarea{resize:vertical}label small{color:var(--muted);font-weight:400}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:25px}.stat-grid>div{padding:25px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 8px 25px rgba(15,23,42,.045)}.stat-grid span{display:block;color:var(--muted);font-size:13px}.stat-grid strong{display:block;margin-top:8px;color:var(--navy);font-size:36px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-grid a{padding:20px;border:1px solid var(--line);border-radius:10px;color:var(--ink)}.quick-grid strong,.quick-grid span{display:block}.quick-grid span{margin-top:6px;color:var(--muted);font-size:12px;line-height:1.5}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}th{color:var(--muted);font-size:10px;letter-spacing:.08em;text-transform:uppercase}td strong,td small{display:block}td small{margin-top:3px;color:var(--muted)}.badge{display:inline-block;padding:5px 9px;border-radius:99px;font-size:10px;font-weight:800;text-transform:uppercase}.badge-active,.badge-published,.badge-completed{color:#11652c;background:#e4f7e9}.badge-inactive,.badge-revoked,.badge-archived{color:#8d1c22;background:#ffe6e7}.badge-draft{color:#7c4d00;background:#fff0cb}.link-btn{padding:0;border:0;background:none;color:var(--blue);font-weight:700}.link-btn.danger{color:var(--danger)}.admin-card-list{display:grid;gap:10px}.admin-card-list>a{padding:16px;display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:10px;color:var(--ink)}.admin-card-list strong,.admin-card-list span{display:block}.admin-card-list div span{margin-top:4px;color:var(--muted);font-size:12px}.curriculum-admin{margin:12px 0;padding:15px;border:1px solid var(--line);border-radius:10px}.curriculum-admin h3{margin:0 0 10px}.curriculum-admin>div{padding:10px;display:grid;grid-template-columns:25px 1fr;border-top:1px solid var(--line)}.curriculum-admin small{grid-column:2;color:var(--muted)}.player-shell{position:fixed;inset:0;z-index:100;display:grid;grid-template-columns:360px minmax(0,1fr);background:#fff}.curriculum{min-width:0;display:flex;flex-direction:column;background:#f6f8fb;border-right:1px solid var(--line)}.course-progress{padding:24px;border-bottom:1px solid var(--line)}.course-progress>a{font-size:12px}.course-progress h2{margin:16px 0 15px;font-size:18px}.course-progress p{margin:8px 0 0;color:var(--muted);font-size:12px}.curriculum-scroll{overflow:auto;flex:1}.curriculum details{border-bottom:1px solid var(--line)}.curriculum summary{padding:16px 20px;color:var(--navy);font-weight:800;cursor:pointer}.lesson-link{padding:12px 18px;display:flex;gap:11px;color:#39465a}.lesson-link:hover,.lesson-link.active{color:var(--navy);background:#fff0df}.lesson-link>span{color:var(--orange)}.lesson-link div{display:grid;gap:3px}.lesson-link small{color:var(--muted)}.certificate-side{padding:18px 22px;border-top:1px solid var(--line);font-weight:800}.certificate-side.disabled{pointer-events:none;color:#aab2bf}.lesson-stage{min-width:0;overflow:auto}.lesson-header{min-height:96px;padding:20px 38px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.lesson-header h1{margin:4px 0 0;font-size:23px}.complete-btn{color:#ffbd29;background:#101010}.video-frame{position:relative;max-width:1280px;margin:28px auto;padding:14px;border-radius:14px;background:#111827;box-shadow:0 20px 50px rgba(7,29,73,.18)}.video-frame video{display:block;width:100%;aspect-ratio:16/9;border-radius:9px;background:#000}.video-empty{min-height:420px;display:grid;place-items:center;color:#cbd5e1}.watermark{position:absolute;z-index:5;left:9%;top:17%;padding:7px 10px;border-radius:5px;color:rgba(255,255,255,.48);background:rgba(0,0,0,.16);font-family:monospace;pointer-events:none}.watermark strong,.watermark span{display:block}.watermark span{font-size:10px}.lesson-notes{max-width:1000px;margin:30px auto 80px;padding:0 20px}.certificate{max-width:1050px;margin:30px auto;padding:70px;text-align:center;border:14px solid var(--navy);outline:4px solid var(--orange);outline-offset:-26px;background:#fff}.certificate img{width:220px}.certificate>span{display:block;margin:40px 0 20px;color:var(--orange);font-size:15px;font-weight:850;letter-spacing:.2em;text-transform:uppercase}.certificate h1{font-family:Georgia,serif;font-size:52px}.certificate h2{color:var(--navy);font-size:30px}.certificate-meta{margin:45px auto 25px;display:flex;justify-content:space-around;color:var(--muted);font-size:12px}.empty{padding:60px;border:1px dashed #cbd5e1;border-radius:14px;text-align:center;color:var(--muted)}.login-body{min-height:100vh;background:var(--navy)}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.2fr .8fr}.login-brand{position:relative;overflow:hidden;padding:8vh 8vw;color:#fff;background:linear-gradient(135deg,#061736,#0c438b)}.login-brand:after{content:"";position:absolute;width:520px;height:520px;right:-220px;bottom:-220px;border:70px solid rgba(255,122,0,.6);border-radius:50%}.login-brand img{width:230px;height:100px;object-fit:contain;background:#fff;border-radius:12px}.login-brand>span{display:block;margin-top:25px;color:#ffb45f;font-size:12px;font-weight:850;letter-spacing:.15em;text-transform:uppercase}.login-brand h1{max-width:650px;margin:24px 0;font-size:clamp(40px,5vw,72px);line-height:1.02}.login-brand p{max-width:560px;color:#cedcff;font-size:18px}.login-panel{display:grid;place-items:center;padding:35px;background:#fff}.login-card{width:min(430px,100%)}.login-card h2{margin:0;font-size:32px}.login-card>p{margin-bottom:30px;color:var(--muted)}.login-card form{display:grid;gap:17px}.security-note{display:block;margin-top:22px;color:var(--muted);text-align:center}@media(max-width:1050px){.stat-grid,.quick-grid{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.player-shell{grid-template-columns:300px 1fr}}@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-280px;width:270px;transition:.2s}.nav-open .sidebar{left:0}.topbar{height:72px;padding:0 16px}.mobile-menu{display:block}.user-chip div{display:none}.content{padding:22px 16px 50px}.welcome{padding:25px}.welcome h1{font-size:28px}.welcome-mark{display:none}.course-grid,.stat-grid,.quick-grid,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.player-shell{position:relative;display:block}.curriculum{max-height:45vh}.lesson-header{padding:14px;align-items:flex-start;flex-direction:column}.lesson-header form,.lesson-header button{width:100%}.video-frame{margin:15px 10px}.login-shell{grid-template-columns:1fr}.login-brand{display:none}.certificate{margin:0;padding:45px 20px}.certificate h1{font-size:36px}}@media print{.sidebar,.topbar,.no-print{display:none!important}.app-shell{display:block}.content{padding:0}.certificate{box-shadow:none}}