/* MTC auth — full-bleed cinematic shell */
@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Sora:wght@600;700;800&display=swap');

:root{
  --ink:#0B1220;--navy:#0B1D51;--magenta:#E91E63;--magenta-deep:#C2185B;
  --muted:#64748B;--line:#E2E8F0;--soft:#F8FAFC;
  --font:'Plus Jakarta Sans','Hind Siliguri',system-ui,-apple-system,sans-serif;
  --display:'Sora','Plus Jakarta Sans','Hind Siliguri',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;min-height:100%;width:100%;max-width:100%;overflow-x:hidden;font-family:var(--font);color:var(--ink);font-size:16px;-webkit-font-smoothing:antialiased}
html{height:100%}
html[lang="bn"] body{font-family:'Hind Siliguri','Plus Jakarta Sans',system-ui,sans-serif}
a{color:var(--magenta);text-decoration:none;font-weight:700}
a:hover{text-decoration:underline}

.auth-shell{
  min-height:100dvh;width:100%;max-width:100%;
  display:grid;grid-template-columns:minmax(280px,1.08fr) minmax(280px,1fr);
}
.auth-visual{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(ellipse 70% 55% at 80% 20%, rgba(233,30,99,.45), transparent 55%),
    radial-gradient(ellipse 60% 50% at 15% 80%, rgba(37,99,235,.28), transparent 50%),
    linear-gradient(155deg,#050814 0%,#0B1D51 40%,#C2185B 95%);
  background-size:140% 140%,140% 140%,100% 100%;
  animation:authWash 20s ease-in-out infinite alternate;
  padding:clamp(28px,4.5vw,48px);display:flex;flex-direction:column;
}
.auth-visual .bg{position:absolute;inset:0;pointer-events:none}
.auth-visual .bg .grid{
  position:absolute;inset:-15%;opacity:.28;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:48px 48px;
  animation:authGrid 42s linear infinite;
  mask-image:radial-gradient(ellipse at 40% 45%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at 40% 45%,#000 20%,transparent 75%);
}
.auth-visual .bg .orb{
  position:absolute;border-radius:50%;filter:blur(42px);opacity:.55;
  animation:authOrb 16s ease-in-out infinite;
}
.auth-visual .bg .o1{width:min(55vw,340px);height:min(55vw,340px);background:rgba(255,255,255,.28);top:-80px;right:-50px}
.auth-visual .bg .o2{width:min(45vw,280px);height:min(45vw,280px);background:rgba(11,29,81,.6);bottom:8%;left:-60px;animation-delay:-7s}
.auth-visual .bg .o3{width:160px;height:160px;background:rgba(56,189,248,.3);top:42%;left:48%;animation-delay:-3s;opacity:.4;filter:blur(36px)}
.auth-visual .ring{
  position:absolute;border:1px solid rgba(255,255,255,.1);border-radius:50%;
  width:min(72vw,460px);height:min(72vw,460px);top:48%;left:48%;
  transform:translate(-50%,-50%);pointer-events:none;
  animation:authRing 24s linear infinite;
}
.auth-visual .ring::after{
  content:"";position:absolute;inset:12%;border-radius:50%;border:1px solid rgba(255,255,255,.06);
}
.auth-visual .inner{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;justify-content:center;max-width:460px}
.auth-brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;color:#fff;margin-bottom:32px;font-size:1.05rem;text-decoration:none}
.auth-brand:hover{text-decoration:none;opacity:.95}
.auth-brand img,.auth-mark{
  width:44px;height:44px;border-radius:50%;object-fit:cover;
}
.auth-mark{
  display:grid;place-items:center;
  background:linear-gradient(145deg,#FF80AB,#E91E63);font-family:var(--display);font-weight:800;font-size:1.1rem;
  box-shadow:0 0 0 3px rgba(255,255,255,.22);
}
.auth-badge{
  display:inline-flex;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);font-size:.82rem;font-weight:700;margin-bottom:16px;letter-spacing:.02em;
}
.auth-visual h1{
  margin:0;font-family:var(--display);font-size:clamp(2rem,4.2vw,2.85rem);
  line-height:1.12;letter-spacing:-.03em;font-weight:800;
}
.auth-visual p{margin:14px 0 0;color:rgba(255,255,255,.86);line-height:1.7;font-size:1.05rem;max-width:38ch;font-weight:500}
.auth-quotes{margin-top:auto;padding-top:32px;display:grid;gap:12px}
.auth-quote{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:14px 16px;font-size:.88rem;line-height:1.5;backdrop-filter:blur(10px);
}
.auth-quote strong{display:block;margin-top:8px;font-size:.78rem;opacity:.85;font-weight:700}

.auth-panel{
  background:linear-gradient(180deg,#fff 0%,#F8FAFC 100%);
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(28px,4.5vw,56px) clamp(22px,4.5vw,64px);
}
.auth-panel-inner{width:100%;max-width:440px;margin:0 auto}
.auth-top{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:26px;flex-wrap:wrap;
}
.auth-top a.home{color:var(--navy);font-weight:700;font-size:.92rem;text-decoration:none}
.auth-top a.home:hover{color:var(--magenta);text-decoration:none}
.auth-lang{display:flex;gap:6px}
.auth-lang a{
  display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);color:var(--muted);font-weight:700;font-size:.82rem;text-decoration:none;
}
.auth-lang a.on{background:var(--magenta);border-color:transparent;color:#fff}
.auth-lang a:hover{text-decoration:none}
.auth-panel h2{
  margin:0;font-family:var(--display);font-size:clamp(1.55rem,3.2vw,1.95rem);
  color:var(--navy);letter-spacing:-.02em;font-weight:800;
}
.auth-panel .sub{margin:8px 0 0;color:var(--muted);font-size:1rem;line-height:1.55}
.auth-card{margin-top:26px}
.label{display:block;font-size:.8rem;font-weight:700;color:var(--muted);margin:16px 0 7px;letter-spacing:.01em}
.label:first-child{margin-top:0}
.field{
  position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  border-left:3px solid var(--magenta);min-height:54px;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
  transition:border-color .15s,box-shadow .15s;
}
.field:focus-within{
  border-color:#F9A8D4;border-left-color:var(--magenta);
  box-shadow:0 0 0 3px rgba(233,30,99,.12);
}
.field input,.field select{
  flex:1;width:100%;height:54px;border:0;background:transparent;padding:0 16px;
  font:inherit;font-size:1rem;color:var(--ink);outline:none;
}
.field .toggle{
  border:0;background:transparent;color:var(--magenta);font-weight:800;font-size:.82rem;
  padding:0 14px;cursor:pointer;white-space:nowrap;
}
.btn-auth{
  display:flex;align-items:center;justify-content:center;width:100%;min-height:54px;margin-top:22px;
  border:0;border-radius:999px;cursor:pointer;font:inherit;font-weight:800;font-size:1.05rem;color:#fff;
  background:linear-gradient(135deg,var(--magenta),var(--magenta-deep));
  box-shadow:0 14px 32px rgba(233,30,99,.32);
  transition:transform .15s,box-shadow .15s,filter .15s;
}
.btn-auth:hover{filter:brightness(1.05);box-shadow:0 16px 36px rgba(233,30,99,.4);transform:translateY(-1px)}
.btn-auth:active{transform:scale(.99)}
.auth-links{display:flex;justify-content:space-between;gap:10px;margin-top:16px;font-size:.9rem;flex-wrap:wrap}
.auth-links a{text-decoration:none}
.auth-err{margin-top:14px;color:#DC2626;font-size:.92rem;text-align:center;font-weight:600}
.auth-ok{margin-top:14px;color:#059669;font-size:.92rem;text-align:center;font-weight:600}
.auth-foot{margin-top:20px;text-align:center;font-size:.92rem;color:var(--muted)}
.auth-foot a{font-weight:800}
.file-hint{font-size:.78rem;color:var(--muted);margin-top:4px}

@keyframes authWash{
  from{background-position:0% 40%,100% 60%,0 0}
  to{background-position:100% 55%,0% 45%,0 0}
}
@keyframes authGrid{to{transform:translate(48px,48px)}}
@keyframes authOrb{
  0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(18px,-14px) scale(1.05)}
}
@keyframes authRing{
  from{transform:translate(-50%,-50%) rotate(0deg)}
  to{transform:translate(-50%,-50%) rotate(360deg)}
}

@media (max-width:860px){
  .auth-shell{grid-template-columns:1fr}
  .auth-visual{
    min-height:0;padding:20px 18px 24px;
    animation:none;
    background:linear-gradient(145deg,#050814 0%,#0B1D51 45%,#C2185B 100%);
  }
  .auth-visual .inner{justify-content:flex-end;max-width:none}
  .auth-visual h1{font-size:clamp(1.35rem,6vw,1.7rem)}
  .auth-visual p{font-size:.92rem;margin-top:8px;max-width:none}
  .auth-quotes,.auth-visual .ring{display:none}
  .auth-brand{margin-bottom:14px}
  .auth-panel{padding:24px 16px 36px;width:100%}
  .auth-panel-inner{max-width:100%}
  .auth-panel h2{font-size:clamp(1.35rem,5vw,1.55rem)}
  .btn-auth{min-height:50px}
}
@media (max-width:400px){
  .auth-links{flex-direction:column;align-items:flex-start;gap:8px}
  .auth-top{margin-bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  .auth-visual,.auth-visual .bg .grid,.auth-visual .bg .orb,.auth-visual .ring{animation:none!important}
}