body.login {
  min-height: 100dvh;
  display: grid; place-items: center;
  padding: 24px 16px;
  background:
    radial-gradient(circle at 15% 20%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 40%),
    radial-gradient(circle at 85% 80%, color-mix(in srgb, var(--coral) 16%, transparent), transparent 40%),
    var(--bg);
}
.login-bg { position: fixed; inset: 0; pointer-events: none; overflow: hidden; }
.login-bg span {
  position: absolute; left: var(--x); top: var(--y);
  display: grid; place-items: center;
  width: var(--s); height: var(--s); border-radius: 28%;
  background: color-mix(in srgb, var(--c) 30%, white);
  font-size: calc(var(--s) * .45);
  transform: translate(-50%, -50%) rotate(-8deg);
  animation: bob 7s ease-in-out infinite; animation-delay: var(--d);
}
@keyframes bob { 50% { transform: translate(-50%, -58%) rotate(8deg); } }
@media (max-width: 600px) { .login-bg span { opacity: .5; } }

.login-card {
  position: relative; z-index: 1;
  width: min(440px, 100%);
  padding: 30px 26px;
  border-radius: 30px;
  background: var(--surface);
  box-shadow: var(--shadow-lg), inset 0 0 0 2px var(--line);
  animation: pop .6s var(--spring);
}
@keyframes pop { from { opacity: 0; transform: translateY(30px) scale(.95); } }
.login-card .logo { margin-bottom: 26px; }
.step { animation: slide .45s var(--ease); }
@keyframes slide { from { opacity: 0; transform: translateX(24px); } }
.step h1 { font-size: 32px; }
.lead { margin-top: 8px; color: var(--ink-2); font-weight: 500; }
.lead b { color: var(--ink); word-break: break-all; }

.field { display: grid; gap: 8px; margin-top: 22px; font-weight: 800; font-size: 14px; }
.field input {
  height: 58px; padding: 0 18px; border-radius: 16px;
  border: 0; outline: 0; background: var(--bg);
  box-shadow: inset 0 0 0 2px var(--line);
  font: inherit; font-size: 17px; font-weight: 600;
  transition: box-shadow .2s;
}
.field input:focus { box-shadow: inset 0 0 0 2.5px var(--primary); background: #fff; }
form .btn { width: 100%; margin-top: 16px; }
.err { min-height: 22px; margin-top: 8px; color: var(--danger); font-weight: 700; font-size: 14px; }
.err:empty { min-height: 0; margin: 0; }
.shake { animation: shake .45s var(--ease); }
@keyframes shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }

.field + .field { margin-top: 14px; }
.pw { position: relative; display: block; }
.pw input { width: 100%; padding-right: 58px; }
.pw-eye {
  position: absolute; right: 8px; top: 50%; translate: 0 -50%;
  display: grid; place-items: center; width: 42px; height: 42px;
  border: 0; border-radius: 12px; background: none; color: var(--muted); cursor: pointer;
}
.pw-eye:hover { background: var(--bg-2); color: var(--ink); }
.pw-eye svg { width: 22px; height: 22px; }
.field input { width: 100%; }
.first {
  margin-top: 20px; padding: 14px 16px; border-radius: 16px;
  background: color-mix(in srgb, var(--sun) 22%, white);
  font-size: 14.5px; color: var(--ink-2);
}
.first strong { color: var(--ink); }
.first p { margin-top: 2px; }

.code { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 22px; }
.code input {
  width: 100%; aspect-ratio: 4 / 5; min-width: 0;
  border: 0; outline: 0; border-radius: 14px;
  background: var(--bg); box-shadow: inset 0 0 0 2px var(--line);
  text-align: center; font-family: var(--font-display); font-size: 28px; font-weight: 800;
  transition: box-shadow .2s, transform .2s var(--spring), background .2s;
}
.code input:focus { box-shadow: inset 0 0 0 2.5px var(--primary); background: #fff; transform: translateY(-2px); }
.code input.filled { background: color-mix(in srgb, var(--primary) 8%, white); box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--primary) 40%, white); }

.small { margin-top: 18px; text-align: center; color: var(--muted); font-weight: 600; font-size: 14.5px; }
.small a, .link { color: var(--primary); font-weight: 800; }
.link, .link-back { border: 0; background: none; padding: 0; cursor: pointer; }
.link-back { margin-bottom: 12px; color: var(--muted); font-weight: 700; }
.link-back:hover { color: var(--ink); }
.dev {
  margin-top: 14px; padding: 10px 14px; border-radius: 12px;
  background: color-mix(in srgb, var(--sun) 30%, white); font-size: 14px; font-weight: 700;
}