/* =====================================================================
   LEAD LAB  sign-in page  (v12.2)
   Dark office scene drawn with CSS only (no photo to download):
   warm wall light strips, soft bokeh, a glowing wave carrying three
   glass cards, and a frosted glass sign-in card on the right.
   ===================================================================== */
body.lg{margin:0;min-height:100vh;background:#0a0c11;color:#fff;overflow-x:hidden;
  font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',Inter,Roboto,'Helvetica Neue',Arial,sans-serif;-webkit-font-smoothing:antialiased}

/* ---------------- scene ---------------- */
.lg-scene{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;
  background:
    radial-gradient(1100px 700px at 30% 30%, rgba(60,52,44,.55), transparent 65%),
    radial-gradient(900px 600px at 80% 20%, rgba(70,80,100,.35), transparent 65%),
    linear-gradient(180deg,#14161c 0%,#0d0f14 55%,#08090c 100%)}
/* vertical warm light strips on the "wall" */
.lg-light{position:absolute;top:-5%;bottom:22%;width:7px;border-radius:6px;
  background:linear-gradient(180deg,rgba(255,196,120,.15),#ffcf8a 18%,#ffb257 55%,rgba(255,170,80,.25));
  box-shadow:0 0 18px 4px rgba(255,180,90,.55),0 0 80px 30px rgba(255,160,70,.22),0 0 220px 80px rgba(255,150,60,.12)}
.lg-light--1{left:7.5%}
.lg-light--2{left:52%;opacity:.85}
.lg-light--3{left:29%;width:4px;opacity:.35;bottom:40%}
.lg-glow{position:absolute;border-radius:50%;filter:blur(60px)}
.lg-glow--warm{width:620px;height:300px;left:8%;bottom:4%;background:rgba(255,160,70,.18)}
.lg-glow--blue{width:520px;height:520px;right:-6%;top:6%;background:rgba(110,140,255,.22)}
/* blurred plant shapes in the corners (out-of-focus foreground) */
.lg-leaf{position:absolute;border-radius:50% 50% 45% 55%;filter:blur(38px);opacity:.55}
.lg-leaf--l{width:300px;height:420px;left:-120px;top:22%;background:radial-gradient(circle at 60% 40%,#3f6b3a,#1c3320 70%)}
.lg-leaf--r{width:360px;height:360px;right:-120px;top:-60px;background:radial-gradient(circle at 40% 50%,#55804d,#20381f 70%);opacity:.45}
.lg-bokeh{position:absolute;left:var(--x);top:var(--y);width:var(--s);height:var(--s);border-radius:50%;
  background:#ffd59c;box-shadow:0 0 14px 6px rgba(255,190,110,.45);opacity:.7;animation:lg-twinkle 5s ease-in-out var(--d) infinite}
@keyframes lg-twinkle{0%,100%{opacity:.25;transform:scale(.9)}50%{opacity:.85;transform:scale(1.15)}}
/* polished desk / floor reflection */
.lg-floor{position:absolute;left:0;right:0;bottom:0;height:26%;
  background:linear-gradient(180deg,transparent,rgba(255,170,90,.06) 30%,rgba(255,255,255,.04) 60%,rgba(0,0,0,.4));
  box-shadow:inset 0 1px 0 rgba(255,210,160,.12)}

/* ---------------- layout ---------------- */
.lg-shell{position:relative;z-index:1;min-height:100vh;max-width:1280px;margin:0 auto;padding:48px 40px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(380px,520px);gap:40px;align-items:center}

/* ---------------- left story ---------------- */
.lg-story{position:relative;padding-left:12px}
.lg-arg{display:inline-flex;flex-direction:column;align-items:flex-start;line-height:1}
.lg-arg__img{max-height:64px;max-width:220px;display:block}
.lg-arg__word{font-size:58px;font-weight:900;letter-spacing:-.04em;color:#fff;position:relative;
  text-shadow:0 2px 20px rgba(0,0,0,.4)}
.lg-arg__word::after{content:"";position:absolute;left:28px;bottom:9px;width:11px;height:11px;background:#e5252a;transform:rotate(45deg);border-radius:2px}
.lg-arg__sub{margin-top:6px;font-size:12.5px;font-weight:600;letter-spacing:.42em;color:rgba(255,255,255,.88)}
.lg-rule{display:block;width:62px;height:1px;margin:30px 0 22px;background:rgba(255,255,255,.35)}
.lg-kicker{margin:0;font-size:14px;font-weight:500;letter-spacing:.32em;text-transform:uppercase;color:rgba(255,255,255,.72)}
.lg-title{margin:14px 0 12px;font-size:clamp(64px,8.2vw,118px);line-height:.95;font-weight:800;letter-spacing:-.045em;color:#fff;
  text-shadow:0 10px 40px rgba(0,0,0,.45)}
.lg-title span{background:linear-gradient(100deg,#f3c9ff 0%,#c79bff 30%,#9aa8ff 70%,#7fc3ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 22px rgba(170,140,255,.35))}
.lg-pillars{margin:0;font-size:15px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.88)}
.lg-pillars b{font-weight:300;margin:0 14px;color:rgba(255,255,255,.45)}

.lg-flow{position:relative;height:250px;margin-top:40px;margin-left:-60px;margin-right:-120px}
.lg-wave{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.lg-wave path{fill:none;stroke-linecap:round}
.lg-wave__glow{stroke-width:14;opacity:.35;filter:blur(8px)}
.lg-wave__line{stroke-width:2.2;stroke-dasharray:1400;stroke-dashoffset:1400;animation:lg-draw 2.2s cubic-bezier(.4,0,.2,1) .3s forwards}
.lg-wave__line--2{stroke-width:1.2;opacity:.45;animation-delay:.6s}
@keyframes lg-draw{to{stroke-dashoffset:0}}
.lg-chip{position:absolute;display:flex;align-items:center;gap:14px;padding:16px 22px 16px 18px;border-radius:14px;
  font-size:16px;line-height:1.25;color:rgba(255,255,255,.92);
  background:linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.18);
  box-shadow:0 18px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  opacity:0;transform:translateY(14px);animation:lg-in .7s cubic-bezier(.2,.8,.2,1) forwards, lg-float 7s ease-in-out infinite}
.lg-chip--1{left:60px;top:12px;animation-delay:.5s,1.2s}
.lg-chip--2{left:290px;top:90px;animation-delay:.75s,2s}
.lg-chip--3{left:520px;top:150px;animation-delay:1s,2.8s}
@keyframes lg-in{to{opacity:1;transform:none}}
@keyframes lg-float{0%,100%{translate:0 0}50%{translate:0 -7px}}
.lg-chip__ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex:0 0 38px}
.lg-chip__ico svg{width:24px;height:24px;fill:currentColor}
.lg-chip__ico--a{color:#ff9bd2;background:linear-gradient(145deg,rgba(255,140,200,.25),rgba(255,140,200,.08))}
.lg-chip__ico--a svg rect:nth-child(1){fill:#ffd1ea}.lg-chip__ico--a svg rect:nth-child(2){fill:#ffaad7}.lg-chip__ico--a svg rect:nth-child(3){fill:#ff7dc0}
.lg-chip__ico--b{color:#7f8cff;background:linear-gradient(145deg,#6c7bff,#4b5cf0);box-shadow:0 6px 16px rgba(90,100,255,.45)}
.lg-chip__ico--b svg{fill:#fff}.lg-chip__ico--b svg path{fill:rgba(255,255,255,.95)}.lg-chip__ico--b svg rect{fill:#5664f5}
.lg-chip__ico--c{color:#c5a3ff;background:linear-gradient(145deg,rgba(190,150,255,.28),rgba(190,150,255,.08))}

/* ---------------- frosted card ---------------- */
.lg-card{position:relative;overflow:hidden;padding:44px 48px 30px;border-radius:30px;color:#1d1d24;
  background:linear-gradient(160deg,rgba(255,255,255,.82) 0%,rgba(236,240,250,.70) 55%,rgba(225,232,250,.62) 100%);
  border:1px solid rgba(255,255,255,.65);
  box-shadow:0 40px 100px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.08),inset 0 1px 0 rgba(255,255,255,.9),0 0 90px rgba(120,150,255,.18);
  -webkit-backdrop-filter:blur(30px) saturate(160%);backdrop-filter:blur(30px) saturate(160%);
  opacity:0;transform:translateY(18px) scale(.985);transition:opacity .6s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
body.is-ready .lg-card{opacity:1;transform:none}
.lg-card__shine{position:absolute;inset:-40% -30% auto auto;width:420px;height:420px;pointer-events:none;
  background:linear-gradient(225deg,rgba(255,255,255,.55),transparent 55%);transform:rotate(12deg);opacity:.6}
.lg-card__brand{position:relative;display:flex;align-items:center;gap:16px;padding-bottom:26px;margin-bottom:28px;border-bottom:1px solid rgba(30,30,60,.1)}
.lg-logo{width:66px;height:66px;border-radius:18px;display:grid;place-items:center;color:#fff;flex:0 0 66px;
  background:linear-gradient(145deg,#38a2ff 0%,#2a6bff 50%,#7a4dff 100%);
  box-shadow:0 12px 26px rgba(60,100,255,.45),inset 0 1px 0 rgba(255,255,255,.4)}
.lg-card__brand strong{display:block;font-size:31px;font-weight:800;letter-spacing:-.03em;color:#141420;line-height:1.05}
.lg-card__brand small{font-size:15.5px;color:#6b6f80}
.lg-card__title{position:relative;margin:0;font-size:31px;font-weight:800;letter-spacing:-.03em;color:#141420}
.lg-card__sub{position:relative;margin:6px 0 24px;font-size:16px;color:#6b6f80}

.lg-alert{position:relative;display:flex;gap:9px;align-items:center;margin:-6px 0 18px;padding:11px 14px;border-radius:12px;
  background:rgba(255,59,48,.1);color:#a3150d;font-size:13.5px;border:1px solid rgba(255,59,48,.22)}

.lg-form{position:relative;display:flex;flex-direction:column;gap:18px}
/* role switch: one sliding pill */
.lg-roles{position:relative;display:grid;grid-template-columns:repeat(3,1fr);padding:4px;border-radius:14px;background:rgba(120,125,150,.14);
  box-shadow:inset 0 1px 2px rgba(0,0,0,.06)}
.lg-roles__pill{position:absolute;left:0;top:4px;bottom:4px;border-radius:11px;background:#fff;
  box-shadow:0 2px 8px rgba(30,40,90,.14),0 0 0 .5px rgba(0,0,0,.04);transition:transform .35s cubic-bezier(.3,.9,.3,1),width .35s}
.lg-role{position:relative;z-index:1;border:0;background:none;cursor:pointer;padding:10px 6px;border-radius:11px;font:inherit;font-size:13.5px;
  font-weight:600;color:#5d6173;transition:color .25s}
.lg-role.is-active{color:#1f5fff}

.lg-field{display:flex;flex-direction:column;gap:9px}
.lg-field__k{font-size:15.5px;font-weight:600;color:#23232e}
.lg-input{display:flex;align-items:center;gap:12px;height:56px;padding:0 16px 0 20px;border-radius:13px;
  background:rgba(255,255,255,.62);border:1px solid rgba(40,45,80,.14);color:#7a7e90;
  box-shadow:inset 0 1px 2px rgba(0,0,0,.04);transition:border-color .2s,box-shadow .2s,background .2s}
.lg-input:focus-within{background:rgba(255,255,255,.92);border-color:rgba(60,110,255,.55);box-shadow:0 0 0 4px rgba(60,110,255,.14);color:#2f6bff}
.lg-input input{flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;font:inherit;font-size:16px;color:#16161f}
.lg-input input::placeholder{color:#8a8ea0}
.lg-eye{border:0;background:none;cursor:pointer;color:#7a7e90;display:grid;place-items:center;padding:6px;border-radius:8px}
.lg-eye:hover{color:#2f6bff;background:rgba(60,110,255,.08)}

.lg-check{display:inline-flex;align-items:center;gap:11px;font-size:15.5px;color:#23232e;cursor:pointer;user-select:none;width:max-content}
.lg-check input{position:absolute;opacity:0;pointer-events:none}
.lg-check__box{width:22px;height:22px;border-radius:6px;display:grid;place-items:center;color:#fff;
  background:#fff;border:1.5px solid rgba(40,45,80,.25);transition:background .2s,border-color .2s,transform .15s}
.lg-check__box svg{opacity:0;transform:scale(.6);transition:.2s}
.lg-check input:checked + .lg-check__box{background:#2f6bff;border-color:#2f6bff}
.lg-check input:checked + .lg-check__box svg{opacity:1;transform:none}
.lg-check input:focus-visible + .lg-check__box{box-shadow:0 0 0 4px rgba(60,110,255,.2)}
.lg-check:active .lg-check__box{transform:scale(.92)}

.lg-submit{margin-top:6px;height:60px;border:0;border-radius:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;
  font:inherit;font-size:19px;font-weight:600;color:#fff;letter-spacing:-.01em;
  background:linear-gradient(90deg,#2f6bff 0%,#4a63ff 55%,#7a55ff 100%);
  box-shadow:0 14px 30px rgba(60,90,255,.4),inset 0 1px 0 rgba(255,255,255,.28);
  transition:transform .15s,box-shadow .2s,filter .2s}
.lg-submit:hover{transform:translateY(-1px);box-shadow:0 18px 38px rgba(60,90,255,.5),inset 0 1px 0 rgba(255,255,255,.28);filter:brightness(1.05)}
.lg-submit:active{transform:scale(.985)}
.lg-submit svg{transition:transform .2s}
.lg-submit:hover svg{transform:translateX(4px)}
.lg-submit.is-busy{opacity:.8;pointer-events:none}

.lg-card__foot{position:relative;display:flex;align-items:center;gap:26px;margin-top:40px;font-size:14px;color:#3a3d4c}
.lg-card__foot strong{display:block;font-size:16px;font-weight:700;color:#1b1b26}
.lg-card__foot small{font-size:13.5px;color:#4a4e60}
.lg-card__sep{width:1px;align-self:stretch;background:rgba(30,30,60,.15)}
.lg-card__tag{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#7a7e90;line-height:1.6}

/* ---------------- responsive ---------------- */
@media (max-width:1100px){
  .lg-shell{grid-template-columns:1fr 440px;padding:32px 24px}
  .lg-flow{margin-right:-40px}
  .lg-chip--3{left:440px}
}
@media (max-width:900px){
  .lg-shell{grid-template-columns:1fr;max-width:520px;padding:28px 16px;gap:22px}
  .lg-story{padding-left:0;text-align:left}
  .lg-arg__word{font-size:40px}.lg-arg__word::after{left:19px;bottom:6px;width:8px;height:8px}
  .lg-rule{margin:16px 0 12px}
  .lg-kicker{font-size:11px}
  .lg-title{font-size:56px;margin:8px 0}
  .lg-pillars{font-size:11px;letter-spacing:.2em}
  .lg-flow,.lg-light--2,.lg-light--3{display:none}
  .lg-card{padding:30px 22px 22px;border-radius:24px}
  .lg-logo{width:54px;height:54px;flex-basis:54px}
  .lg-card__brand strong,.lg-card__title{font-size:25px}
  .lg-card__foot{margin-top:26px;gap:16px}
}
@media (prefers-reduced-motion:reduce){
  .lg-bokeh,.lg-chip,.lg-wave__line{animation:none!important;opacity:1;stroke-dashoffset:0;transform:none}
  .lg-card{transition:none}
}

/* v12.2 tune: brighter, cleaner glass card; readable footer tag */
.lg-card{background:linear-gradient(160deg,rgba(255,255,255,.9) 0%,rgba(244,246,252,.82) 50%,rgba(232,237,252,.74) 100%)}
.lg-input{background:rgba(255,255,255,.8)}
.lg-card__tag{color:#5d6173}
@media (max-width:900px){.lg-card__foot strong{font-size:14.5px}.lg-card__tag{font-size:10.5px}}
/* shorter laptop screens: keep the whole card on screen */
@media (min-width:901px) and (max-height:860px){
  .lg-shell{padding-top:24px;padding-bottom:24px}
  .lg-card{padding:30px 40px 22px}
  .lg-card__brand{padding-bottom:18px;margin-bottom:18px}
  .lg-logo{width:56px;height:56px;flex-basis:56px}
  .lg-card__brand strong{font-size:27px}
  .lg-card__title{font-size:27px}
  .lg-card__sub{margin-bottom:16px}
  .lg-form{gap:13px}
  .lg-input{height:50px}
  .lg-submit{height:54px;margin-top:2px}
  .lg-card__foot{margin-top:22px}
}