:root{
  --blue:        #1D5DF1;
  --blue-deep:   #0B3FCB;
  --sky:         #57B6FF;
  --sky-soft:    #E4F1FF;
  --gold:        #FFB020;
  --gold-deep:   #E8940A;
  --gold-soft:   #FFF3D6;
  --white:       #FFFFFF;
  --paper:       #F6F9FF;
  --hairline:    #E6ECFB;
  --text:        #0F1A3D;
  --text-sub:    #56628A;
  --text-dim:    #94A0C6;
  --ok:          #12B76A;
  --err:         #F0426B;
  --shadow:      rgba(15,26,61,0.12);
  --shadow-lg:   rgba(8,44,150,0.30);
  --font-display:'Manrope',sans-serif; --font-body:'DM Sans',sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{
  font-family:var(--font-body);color:var(--text);min-height:100vh;
  display:flex;align-items:center;justify-content:center;padding:20px;
  position:relative;overflow-x:hidden;
  background:linear-gradient(180deg, #EFF5FF 0%, #F6F9FF 45%, #FFFDF6 100%);
}
.bg-wash{
  position:fixed; inset:0; z-index:0; overflow:hidden;
  background:
    radial-gradient(ellipse 60% 45% at 12% 0%, rgba(29,93,241,0.16), transparent 60%),
    radial-gradient(ellipse 55% 40% at 100% 8%, rgba(255,176,32,0.20), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 100%, rgba(87,182,255,0.18), transparent 60%);
}
.wrap{width:100%;max-width:420px;position:relative;z-index:1}
.brand-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:20px}
.brand-mark{position:relative;width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center;animation:logoFloat 4.5s ease-in-out infinite}
.brand-mark::after{content:'';position:absolute;inset:4px;z-index:-1;border-radius:50%;background:radial-gradient(circle, rgba(29,93,241,0.35) 0%, rgba(255,176,32,0.22) 55%, transparent 75%);filter:blur(10px);animation:logoGlow 3s ease-in-out infinite}
@keyframes logoFloat{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-3px) rotate(-2deg)}}
@keyframes logoGlow{0%,100%{opacity:.6;transform:scale(.94)}50%{opacity:1;transform:scale(1.08)}}
.brand-img{width:100%;height:100%;object-fit:contain;display:block;filter:drop-shadow(0 4px 10px rgba(11,63,203,0.28))}
.brand-word{font-family:var(--font-display);font-weight:800;font-size:15px;letter-spacing:-.1px}
.brand-word .bw1{color:var(--blue)}
.brand-word .bw2{color:var(--text)}
.card{
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(18px) saturate(160%); -webkit-backdrop-filter:blur(18px) saturate(160%);
  border:1px solid rgba(255,255,255,0.7);
  border-radius:24px;padding:32px 26px 26px;
  box-shadow:0 32px 70px var(--shadow-lg), 0 6px 16px var(--shadow);
  position:relative;overflow:hidden;
}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg, var(--blue-deep) 0%, var(--blue) 35%, var(--sky) 65%, var(--gold) 100%)}
.icon-badge{width:60px;height:60px;border-radius:50%;background:var(--sky-soft);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:24px;box-shadow:0 10px 22px rgba(11,63,203,0.16)}
h1{font-family:var(--font-display);font-weight:800;font-size:1.35rem;text-align:center;margin-bottom:6px;letter-spacing:-.3px}
.sub{color:var(--text-sub);font-size:0.9rem;text-align:center;margin-bottom:24px;line-height:1.5}
label{display:block;font-size:0.8rem;font-weight:700;letter-spacing:.3px;text-transform:uppercase;margin-bottom:8px;color:var(--text-dim)}
.field{margin-bottom:18px}
input[type=email]{
  width:100%;padding:14px 16px;border:1.5px solid var(--hairline);border-radius:14px;background:var(--white);
  color:var(--text);font-family:var(--font-body);font-size:0.95rem;outline:none;height:49px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
input[type=email]:focus{border-color:var(--blue);box-shadow:0 0 0 4px var(--sky-soft)}
input::placeholder{color:var(--text-dim)}
.btn{
  width:100%;padding:16px;border:none;border-radius:14px;
  background:linear-gradient(90deg, var(--blue-deep) 0%, var(--blue) 100%);
  color:#fff;font-family:var(--font-display);font-weight:700;font-size:0.95rem;cursor:pointer;
  box-shadow:0 18px 34px rgba(8,44,150,0.34);
  transition:filter .12s ease, transform .12s ease, box-shadow .12s ease;
}
.btn span.dot{color:#fff}
.btn:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:0.6;cursor:default}
.alert{display:none;padding:12px 14px;border-radius:12px;font-size:0.85rem;margin-bottom:18px;line-height:1.5;font-weight:600}
.alert.show{display:block;animation:fadeInUp .25s ease}
@keyframes fadeInUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.alert.ok{background:#E6F9EF;color:var(--ok);border:1px solid #C9F0DA}
.alert.err{background:#FDECEF;color:var(--err);border:1px solid #F9CFD8}
.foot{text-align:center;margin-top:22px;font-size:0.85rem;color:var(--text-dim)}
.foot a{color:var(--blue);font-weight:800;text-decoration:none}