/* MBP Employee Training Portal — app shell (3-level sidebar + topbar + reading
   column). MBP brand blue + warm coral on a clean light app surface. SVG grain
   texture, gradient washes, Space Grotesk (display) + Inter (body). Distinct
   from every other demo. Mobile-first. */
:root{
  --brand:#1f6fb2;
  --brand-deep:#16527f;
  --brand-soft:#e8f1f8;
  --coral:#f06a4d;
  --coral-deep:#d8503a;
  --ink:#1b2733;
  --bg:#f7f9fb;
  --panel:#ffffff;
  --mute:#66788a;
  --line:rgba(27,39,51,.10);
  --line-dark:rgba(255,255,255,.12);
  --ok:#2e9e6b;
  --shadow:0 20px 50px -28px rgba(27,39,51,.35);
  --shadow-sm:0 6px 18px -12px rgba(27,39,51,.28);
  --disp:'Space Grotesk','Segoe UI',sans-serif;
  --sans:'Inter','Helvetica Neue',Arial,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --r:12px; --r-sm:8px;
  --sidebar-w:268px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:'Inter','Helvetica Neue',Arial,sans-serif;color:var(--ink);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
  background:
    radial-gradient(900px 460px at 90% -10%, rgba(31,111,178,.07), transparent 60%),
    radial-gradient(700px 400px at -5% 8%, rgba(240,106,77,.05), transparent 55%),
    var(--bg);
  min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.35;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' opacity='.5'/%3E%3C/svg%3E")}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none}
h1,h2,h3,h4{font-family:'Space Grotesk','Segoe UI',sans-serif;font-weight:600;line-height:1.15;color:var(--ink);letter-spacing:-.01em}
button{font-family:inherit}

/* ============ LOGIN GATE ============ */
.login-screen{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 60%,#0f3c5e 100%);overflow:auto}
.login-screen::after{content:"";position:absolute;inset:0;opacity:.4;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g2'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g2)' opacity='.5'/%3E%3C/svg%3E")}
.login-card{position:relative;z-index:2;background:var(--panel);border-radius:18px;box-shadow:var(--shadow);width:min(94vw,420px);padding:40px 36px}
.login-card .logo{margin-bottom:1.6rem}
.login-card h1{font-size:1.6rem;margin-bottom:.3rem}
.login-card .sub{color:var(--mute);font-size:.95rem;margin-bottom:1.6rem}
.login-card label{display:block;font-size:.82rem;font-weight:600;margin-bottom:.35rem}
.login-card input{width:100%;padding:.8em 1em;border:1.5px solid var(--line);border-radius:var(--r-sm);font-size:1rem;margin-bottom:1rem;transition:border .2s}
.login-card input:focus{outline:none;border-color:var(--brand)}
.login-card .btn{width:100%;justify-content:center}
.login-err{color:var(--coral-deep);font-size:.86rem;margin-bottom:.8rem;display:none}
.login-err.show{display:block}
.demo-creds{margin-top:1.3rem;padding:.9rem 1rem;background:var(--brand-soft);border-radius:var(--r-sm);font-size:.82rem;color:var(--brand-deep)}
.demo-creds b{font-family:var(--disp)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.9rem;padding:.8em 1.5em;border-radius:8px;cursor:pointer;border:1.5px solid transparent;transition:.25s var(--ease)}
.btn-brand{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff}
.btn-brand:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-coral{background:linear-gradient(135deg,var(--coral),var(--coral-deep));color:#fff}
.btn-coral:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand-deep);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft)}
.btn-sm{padding:.5em 1em;font-size:.82rem}

/* ============ APP SHELL ============ */
.app{display:none;min-height:100vh}
.app.active{display:grid;grid-template-columns:var(--sidebar-w) 1fr}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:linear-gradient(180deg,#102f49,#0c2438);color:rgba(255,255,255,.85);
  display:flex;flex-direction:column;z-index:40;transition:transform .35s var(--ease)}
.sb-head{padding:20px 20px 16px;border-bottom:1px solid var(--line-dark)}
.sb-nav{flex:1;overflow-y:auto;padding:14px 12px}
.sb-foot{padding:14px 16px;border-top:1px solid var(--line-dark);display:flex;align-items:center;gap:.7rem}
.sb-foot .av{width:36px;height:36px;border-radius:50%;background:var(--coral);display:grid;place-items:center;font-weight:700;color:#fff;font-size:.85rem;flex:none}
.sb-foot .who{flex:1;min-width:0}
.sb-foot .who b{display:block;font-size:.85rem;color:#fff}
.sb-foot .who span{font-size:.72rem;color:rgba(255,255,255,.6)}
.sb-foot .out{background:none;border:0;color:rgba(255,255,255,.6);cursor:pointer;font-size:.78rem;text-decoration:underline}
.nav-dash{display:flex;align-items:center;gap:.6rem;padding:.65em .8em;border-radius:8px;color:#fff;font-weight:600;font-size:.92rem;cursor:pointer;margin-bottom:.4rem;transition:background .2s}
.nav-dash svg{width:18px;height:18px;stroke:currentColor;fill:none}
.nav-dash:hover,.nav-dash.active{background:rgba(255,255,255,.1)}
.nav-divider{font-family:var(--disp);font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.42);padding:1.1rem .8rem .4rem}
.nav-group{margin-bottom:.1rem}
.nav-group-head{display:flex;align-items:center;justify-content:space-between;padding:.55em .8em;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:500;color:rgba(255,255,255,.85);transition:background .2s}
.nav-group-head:hover{background:rgba(255,255,255,.07)}
.nav-group-head .chev{width:15px;height:15px;stroke:currentColor;fill:none;transition:transform .25s}
.nav-group.open .chev{transform:rotate(90deg)}
.nav-pages{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.nav-group.open .nav-pages{max-height:400px}
.nav-page{display:flex;align-items:center;gap:.5rem;padding:.5em .8em .5em 2rem;border-radius:8px;font-size:.86rem;color:rgba(255,255,255,.7);cursor:pointer;transition:.2s}
.nav-page:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-page.active{background:var(--brand);color:#fff}
.nav-page .ck{width:15px;height:15px;flex:none;opacity:0}
.nav-page.done .ck{opacity:1;color:#7fd6a6}

/* topbar + content */
.main{grid-column:2;display:flex;flex-direction:column;min-height:100vh;position:relative;z-index:1}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:1rem;padding:14px 28px;background:rgba(247,249,251,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.topbar .burger span{width:24px;height:2px;background:var(--ink);border-radius:2px}
.topbar .crumb{font-size:.86rem;color:var(--mute)}
.topbar .crumb b{color:var(--ink)}
.topbar .prog{margin-left:auto;display:flex;align-items:center;gap:.7rem;font-size:.82rem;color:var(--mute)}
.topbar .prog .bar{width:120px;height:7px;border-radius:5px;background:var(--brand-soft);overflow:hidden}
.topbar .prog .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--coral));transition:width .5s var(--ease)}
.content{flex:1;padding:36px 28px 60px;max-width:880px;width:100%}
.view{display:none;animation:fade .4s var(--ease)}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* lesson page */
.lesson-meta{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;color:var(--mute);font-size:.82rem;margin:.5rem 0 1.6rem}
.lesson-meta .pill{background:var(--brand-soft);color:var(--brand-deep);padding:.2em .7em;border-radius:20px;font-weight:600}
.lesson h1{font-size:2rem;margin-bottom:.2rem}
.lesson h2{font-size:1.3rem;margin:1.8rem 0 .6rem}
.lesson p{margin-bottom:1rem;color:#3a4856}
.lesson ul{margin:0 0 1rem 1.2rem;color:#3a4856}
.lesson li{margin-bottom:.4rem}
.callout{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--coral);border-radius:var(--r-sm);padding:1rem 1.2rem;margin:1.4rem 0;font-size:.95rem}
.video-wrap{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);margin:1.4rem 0;background:#000}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.complete-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.complete-row .done-tag{display:none;align-items:center;gap:.4rem;color:var(--ok);font-weight:600;font-size:.9rem}
.complete-row .done-tag svg{width:18px;height:18px;stroke:currentColor;fill:none}
.complete-row.is-done .done-tag{display:inline-flex}
.complete-row.is-done .mark-btn{display:none}

/* dashboard */
.dash-hero{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;border-radius:var(--r);padding:2rem 2.2rem;margin-bottom:1.6rem;position:relative;overflow:hidden}
.dash-hero h1{color:#fff;font-size:1.8rem}
.dash-hero p{color:rgba(255,255,255,.85);margin:.4rem 0 1.2rem}
.dash-prog{display:flex;align-items:center;gap:1rem}
.dash-prog .ring{font-family:var(--disp);font-size:2rem;font-weight:700}
.dash-prog .bar{flex:1;max-width:280px;height:10px;border-radius:6px;background:rgba(255,255,255,.25);overflow:hidden}
.dash-prog .bar i{display:block;height:100%;background:var(--coral);transition:width .6s var(--ease)}
.dash-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.dcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;transition:transform .25s,box-shadow .25s;cursor:pointer}
.dcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.dcard .ic{width:42px;height:42px;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;margin-bottom:.8rem}
.dcard .ic svg{width:22px;height:22px;stroke:var(--brand);fill:none}
.dcard h3{font-size:1.05rem;margin-bottom:.2rem}
.dcard .meta{font-size:.8rem;color:var(--mute)}
.dcard .mini-bar{height:6px;border-radius:4px;background:var(--brand-soft);overflow:hidden;margin-top:.7rem}
.dcard .mini-bar i{display:block;height:100%;background:var(--brand);transition:width .5s}

/* manager view */
.mgr-table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm)}
.mgr-table th,.mgr-table td{text-align:left;padding:.8em 1em;border-bottom:1px solid var(--line);font-size:.9rem}
.mgr-table th{font-family:var(--disp);font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);background:var(--bg)}
.mgr-table .yes{color:var(--ok);font-weight:600}
.mgr-table .no{color:var(--mute)}

/* CMS preview */
.cms{display:grid;grid-template-columns:200px 1fr;gap:1.4rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm)}
.cms-tree{background:var(--bg);padding:1rem;border-right:1px solid var(--line);font-size:.85rem}
.cms-tree .t-item{padding:.4em .6em;border-radius:6px;cursor:default;color:var(--mute)}
.cms-tree .t-item.divider{font-family:var(--disp);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--mute);margin-top:.6rem}
.cms-tree .t-item.page{padding-left:1.4rem;color:var(--ink)}
.cms-tree .t-item.page.sel{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.cms-editor{padding:1.4rem 1.6rem}
.cms-toolbar{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.cms-toolbar button{padding:.35em .7em;border:1px solid var(--line);background:#fff;border-radius:6px;font-size:.82rem;cursor:default;color:var(--ink)}
.cms-status{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem;font-size:.82rem;flex-wrap:wrap}
.cms-status .pub{padding:.25em .7em;border-radius:20px;font-weight:600;font-size:.76rem}
.cms-status .pub.draft{background:#fdf0e6;color:#b5651d}
.cms-status .pub.review{background:#fef6dc;color:#9a7d1a}
.cms-status .pub.published{background:#e4f3ea;color:var(--ok)}
.cms-edit-area{min-height:180px;border:1px solid var(--line);border-radius:var(--r-sm);padding:1rem;font-size:.92rem;color:#3a4856;line-height:1.7}
.cms-edit-area[contenteditable]:focus{outline:2px solid var(--brand-soft)}
.cms-note{font-size:.78rem;color:var(--mute);margin-top:.8rem}

/* sidebar overlay (mobile) */
.sb-overlay{position:fixed;inset:0;background:rgba(12,36,56,.5);z-index:39;opacity:0;visibility:hidden;transition:opacity .3s}
.sb-overlay.open{opacity:1;visibility:visible}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:900px){ .dash-cards{grid-template-columns:1fr} .cms{grid-template-columns:1fr} .cms-tree{border-right:0;border-bottom:1px solid var(--line)} }
@media(max-width:768px){
  .app.active{grid-template-columns:1fr}
  .sidebar{transform:translateX(-100%);box-shadow:20px 0 60px rgba(0,0,0,.3)}
  .sidebar.open{transform:translateX(0)}
  .main{grid-column:1}
  .topbar .burger{display:flex}
  .topbar .prog{display:none}
  .content{padding:24px 18px 50px}
}
@media(max-width:480px){ body{font-size:15px} .dash-hero{padding:1.6rem} .login-card{padding:32px 24px} }