/* LumenMSP Education - sign-in. Standalone: does not load lwl.css.
   Left: the brand (always dark - an aurora in Lumen violet/blue over a fine grid).
   Right: the sign-in card (light, or dark when the device is). Stacks on phones. */
:root{
  --ink:#0d1222; --ink-2:#475069; --ink-3:#7b849b;
  --paper:#ffffff; --paper-2:#f6f7fb; --line:#e3e6ef; --field:#ffffff;
  --violet:#8b5cf6; --violet-d:#7c3aed; --blue:#3b82f6; --cyan:#22d3ee;
  --focus:rgba(124,58,237,.28);
  --err:#b42318; --err-bg:#fef3f2; --err-line:#fecdca;
  --ok:#05603a; --ok-bg:#ecfdf3; --ok-line:#abefc6;
  --night:#060914;
}
@media (prefers-color-scheme: dark){
  :root{
    --ink:#eef1f8; --ink-2:#aab2c7; --ink-3:#7d869e;
    --paper:#0b0f1c; --paper-2:#11162a; --line:#232a42; --field:#0f1427;
    --focus:rgba(139,92,246,.38);
    --err:#fda29b; --err-bg:#2a1214; --err-line:#55201f;
    --ok:#75e0a7; --ok-bg:#0d2419; --ok-line:#1c4a33;
  }
}
*{box-sizing:border-box;}
html,body{height:100%;}
body.auth{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01";}
.auth-shell{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);min-height:100vh;}

/* ---------------- brand side ---------------- */
.auth-brand{position:relative;overflow:hidden;background:var(--night);color:#e8ebf7;
  display:flex;flex-direction:column;padding:40px 56px 36px;isolation:isolate;}
.aurora{position:absolute;inset:-20%;z-index:-2;filter:blur(70px) saturate(130%);opacity:.9;}
.aurora span{position:absolute;border-radius:50%;mix-blend-mode:screen;will-change:transform;}
.aurora .a1{width:55%;height:55%;left:-5%;top:5%;background:radial-gradient(circle at 50% 50%,#6d28d9 0,rgba(109,40,217,0) 70%);animation:drift1 22s ease-in-out infinite alternate;}
.aurora .a2{width:60%;height:60%;right:-10%;top:-5%;background:radial-gradient(circle at 50% 50%,#2563eb 0,rgba(37,99,235,0) 70%);animation:drift2 26s ease-in-out infinite alternate;}
.aurora .a3{width:50%;height:50%;left:25%;bottom:-10%;background:radial-gradient(circle at 50% 50%,#0891b2 0,rgba(8,145,178,0) 70%);opacity:.7;animation:drift3 30s ease-in-out infinite alternate;}
@keyframes drift1{to{transform:translate(18%,22%) scale(1.15);}}
@keyframes drift2{to{transform:translate(-20%,18%) scale(.9);}}
@keyframes drift3{to{transform:translate(-14%,-20%) scale(1.2);}}
.grid-overlay{position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 75% 65% at 40% 45%,#000 30%,transparent 80%);
          mask-image:radial-gradient(ellipse 75% 65% at 40% 45%,#000 30%,transparent 80%);}
.brand-top{display:flex;align-items:center;gap:12px;}
.brand-top img{width:34px;height:34px;object-fit:contain;display:block;background:#fff;border-radius:10px;padding:4px 5px;box-shadow:0 6px 18px -6px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.15);}
.wordmark{font-size:17px;font-weight:700;letter-spacing:-.2px;color:#fff;}
.wordmark b{font-weight:700;background:linear-gradient(110deg,#c4b5fd,#93c5fd);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.brand-copy{margin:auto 0;max-width:520px;padding:48px 0 32px;}
.kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 22px;padding:6px 12px 6px 10px;border-radius:999px;
  font-size:12.5px;font-weight:500;color:#cfd5ea;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(6px);}
.kicker i{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.18);}
.brand-copy h2{margin:0 0 22px;font-size:clamp(34px,3.6vw,52px);line-height:1.04;letter-spacing:-.035em;font-weight:700;color:#fff;}
.brand-copy h2 .grad{background:linear-gradient(100deg,#c4b5fd 0%,#93c5fd 55%,#67e8f9 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.brand-copy .lede{margin:0 0 30px;font-size:16.5px;line-height:1.6;color:#aeb6cf;max-width:460px;}
.proof{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.proof li{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;color:#d5daea;}
.proof .ic{flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(139,92,246,.28),rgba(59,130,246,.16));border:1px solid rgba(255,255,255,.1);}
.proof .ic svg{width:17px;height:17px;stroke:#c7d2fe;}
.proof strong{display:block;color:#fff;font-weight:600;font-size:14.5px;margin-bottom:1px;}
.proof span{color:#9aa3bd;font-size:13.5px;}

/* faux scenario card - shows what the learning is like, not just says it */
.preview{margin-top:36px;max-width:440px;border-radius:16px;padding:18px 18px 16px;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 60px -20px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(10px);}
.preview .meta{display:flex;justify-content:space-between;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#8f99b6;font-weight:600;}
.preview .meta em{font-style:normal;color:#a5b4fc;}
.preview p{margin:10px 0 14px;font-size:14.5px;color:#eef0f8;line-height:1.5;}
.preview .opts{display:grid;gap:8px;}
.preview .opt{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:10px;font-size:13.5px;color:#cdd3e6;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);}
.preview .opt b{width:20px;height:20px;border-radius:6px;display:grid;place-items:center;font-size:11px;background:rgba(255,255,255,.08);color:#c7d2fe;}
.preview .opt.pick{border-color:rgba(167,139,250,.55);background:rgba(139,92,246,.16);color:#fff;}
.preview .opt.pick b{background:var(--violet);color:#fff;}
.brand-foot{font-size:12px;color:#5f6984;display:flex;gap:18px;flex-wrap:wrap;}

/* ---------------- sign-in side ---------------- */
.auth-panel{display:flex;align-items:center;justify-content:center;padding:48px 32px;background:var(--paper);}
.panel-inner{width:100%;max-width:400px;}
.mobile-brand{display:none;}
.step-ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:22px;
  background:linear-gradient(140deg,var(--violet),var(--blue));box-shadow:0 10px 24px -8px rgba(124,58,237,.55);}
.step-ic svg{width:22px;height:22px;stroke:#fff;}
.panel-inner h1{margin:0 0 8px;font-size:28px;letter-spacing:-.025em;line-height:1.15;font-weight:700;}
.panel-inner .sub{margin:0 0 28px;color:var(--ink-2);font-size:15px;}
.panel-inner .sub b{color:var(--ink);font-weight:600;word-break:break-all;}
label.fl{display:block;font-size:13px;font-weight:600;margin:0 0 7px;color:var(--ink);}
.field{width:100%;height:50px;padding:0 15px;border-radius:12px;border:1px solid var(--line);background:var(--field);color:var(--ink);
  font:inherit;font-size:16px;transition:border-color .15s,box-shadow .15s;}
.field::placeholder{color:var(--ink-3);}
.field:hover{border-color:#c9cee0;}
.field:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 4px var(--focus);}
.field.code{height:64px;text-align:center;font-family:"IBM Plex Mono",ui-monospace,Consolas,monospace;font-size:30px;font-weight:600;letter-spacing:.55em;padding-left:.55em;}
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:50px;margin-top:14px;border-radius:12px;
  font:inherit;font-size:15.5px;font-weight:600;cursor:pointer;text-decoration:none;transition:transform .12s,box-shadow .2s,filter .2s,background .2s;}
.btn-primary{border:0;color:#fff;background:linear-gradient(110deg,var(--violet-d),#5b5cf0 55%,var(--blue));background-size:150% 100%;
  box-shadow:0 12px 26px -12px rgba(91,92,240,.7),inset 0 1px 0 rgba(255,255,255,.2);}
.btn-primary:hover{background-position:100% 0;box-shadow:0 16px 30px -12px rgba(91,92,240,.85),inset 0 1px 0 rgba(255,255,255,.2);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary svg{width:17px;height:17px;stroke:#fff;transition:transform .15s;}
.btn-primary:hover svg{transform:translateX(3px);}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:var(--paper);}
.btn-ghost:hover{background:var(--paper-2);border-color:#cfd4e3;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px var(--focus);}
.ms{width:18px;height:18px;display:grid;grid-template-columns:1fr 1fr;gap:2px;}
.ms i{display:block;}.ms i:nth-child(1){background:#f25022}.ms i:nth-child(2){background:#7fba00}.ms i:nth-child(3){background:#00a4ef}.ms i:nth-child(4){background:#ffb900}
.hint{margin:14px 0 0;font-size:13px;color:var(--ink-3);line-height:1.55;}
.or{display:flex;align-items:center;gap:14px;margin:26px 0 12px;color:var(--ink-3);font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:600;}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line);}
.alert{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:12px;font-size:14px;margin:0 0 20px;border:1px solid;}
.alert svg{flex:0 0 18px;width:18px;height:18px;margin-top:1px;}
.alert.err{color:var(--err);background:var(--err-bg);border-color:var(--err-line);}
.alert.err svg{stroke:var(--err);}
.alert.ok{color:var(--ok);background:var(--ok-bg);border-color:var(--ok-line);}
.alert.ok svg{stroke:var(--ok);}
.row-links{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;font-size:14px;}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--violet-d);font-weight:600;cursor:pointer;text-decoration:none;}
.linkbtn:hover{text-decoration:underline;}
@media (prefers-color-scheme: dark){.linkbtn{color:#a78bfa;} .field:hover{border-color:#343c5a;} .btn-ghost:hover{border-color:#343c5a;}}
.trust{display:flex;gap:10px;align-items:center;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3);}
.trust svg{flex:0 0 16px;width:16px;height:16px;stroke:var(--ink-3);}
.help{margin-top:12px;font-size:12.5px;color:var(--ink-3);}
.help a{color:inherit;}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------------- tablet / phone ---------------- */
@media (max-width: 980px){
  .auth-shell{grid-template-columns:1fr;}
  .auth-brand{display:none;}
  .auth-panel{flex-direction:column;align-items:stretch;justify-content:flex-start;padding:0 0 40px;}
  .mobile-brand{display:block;position:relative;overflow:hidden;isolation:isolate;margin:0 0 32px;padding:22px 20px 26px;
    background:var(--night);color:#fff;}
  .mobile-brand .aurora{inset:-60%;opacity:.8;}
  .mobile-brand .brand-top{margin-bottom:18px;}
  .mobile-brand p{margin:0;font-size:21px;font-weight:700;letter-spacing:-.02em;line-height:1.2;}
  .mobile-brand p .grad{background:linear-gradient(100deg,#c4b5fd,#93c5fd 60%,#67e8f9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
  .panel-inner{max-width:440px;margin:0 auto;padding:0 16px;}
}
@media (prefers-reduced-motion: reduce){ .aurora span{animation:none;} .btn,.btn svg{transition:none;} }