/* ===== Вход: «Аврора» — графит и северное сияние за формой ===== */
#login {
  --lg-bg: #0b0f12; --lg-glass: rgba(15,21,25,.62); --lg-line: rgba(232,241,241,.13);
  --lg-t1: #e8f1f1; --lg-t2: #a6b7b8; --lg-t3: #8a9c9e; --lg-field: rgba(8,12,14,.66);
  --lg-accent: #34d3be; --lg-accent2: #6aa8ff; --lg-violet: #a78bfa; --lg-danger: #f4a585;
  display: none; position: fixed; inset: 0; z-index: 60; overflow-y: auto;
  color: var(--lg-t1); font-family: "Manrope", "Inter", system-ui, sans-serif;
  background:
    radial-gradient(900px 420px at 18% 16%, rgba(52,211,190,.20), transparent 60%),
    radial-gradient(800px 420px at 72% 8%, rgba(106,168,255,.15), transparent 60%),
    radial-gradient(700px 380px at 42% 0%, rgba(167,139,250,.13), transparent 60%),
    var(--lg-bg);
}
#loginSky { position: fixed; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
.lg-wrap {
  position: relative; min-height: 100%; max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, 400px); align-items: center; gap: 56px;
  padding-block: 48px; padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px));
}
.lg-brand { display: grid; gap: 18px; min-width: 0; animation: lgIn .7s cubic-bezier(.2,.7,.2,1) backwards; }
.lg-mark { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; color: #04201c;
  background: linear-gradient(135deg, var(--lg-accent), var(--lg-accent2) 55%, var(--lg-violet));
  box-shadow: 0 0 0 6px rgba(52,211,190,.10), 0 10px 30px rgba(52,211,190,.25); }
.lg-mark svg { width: 24px; height: 24px; }
.lg-name { display: flex; align-items: center; gap: 12px; }
.lg-name b { font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.lg-name b i { font-style: normal; background: linear-gradient(100deg, var(--lg-accent), var(--lg-accent2) 55%, var(--lg-violet));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.lg-brand h1 { margin: 0; font-size: clamp(36px, 5.2vw, 58px); line-height: 1.02; font-weight: 800; letter-spacing: -0.035em; text-wrap: balance; }
.lg-brand h1 span { background: linear-gradient(100deg, var(--lg-accent), var(--lg-accent2) 55%, var(--lg-violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lg-brand p { margin: 0; color: var(--lg-t2); font-size: 16.5px; line-height: 1.6; max-width: 42ch; }
.lg-feats { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.lg-feats li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  color: var(--lg-t1); background: rgba(232,241,241,.05); border: 1px solid var(--lg-line); }
.lg-feats svg { width: 16px; height: 16px; color: var(--lg-accent); flex: none; }
.lg-card { display: grid; gap: 14px; padding: 30px; border-radius: 22px; background: var(--lg-glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--lg-line); box-shadow: 0 30px 80px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  animation: lgIn .7s .08s cubic-bezier(.2,.7,.2,1) backwards; }
.lg-card h2 { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.lg-sub { margin: -8px 0 4px; color: var(--lg-t3); font-size: 14px; }
.lg-field { display: grid; gap: 7px; font-size: 13px; font-weight: 600; color: var(--lg-t2); }
.lg-field[hidden] { display: none; }  /* иначе display:grid перебивает скрытие поля 2FA */
#login .lg-field input { width: 100%; height: 48px; margin: 0; padding: 0 15px; border-radius: 12px; font: 500 15.5px "Manrope", "Inter", sans-serif;
  color: var(--lg-t1); background: var(--lg-field); border: 1px solid var(--lg-line); transition: border-color .15s, box-shadow .15s; }
#login .lg-field input:focus { outline: none; border-color: var(--lg-accent); box-shadow: 0 0 0 3px rgba(52,211,190,.18); }
#login .lg-go { width: 100%; height: 50px; margin-top: 4px; border: 0; border-radius: 13px; cursor: pointer; font: 800 15.5px "Manrope", "Inter", sans-serif;
  color: #04201c; background: linear-gradient(110deg, var(--lg-accent), var(--lg-accent2) 62%, var(--lg-violet));
  box-shadow: 0 10px 28px rgba(52,211,190,.25); transition: filter .15s, transform .15s; }
#login .lg-go:hover { filter: brightness(1.07); }
#login .lg-go:active { transform: scale(.985); }
#login .lg-go:focus-visible { outline: 2px solid var(--lg-t1); outline-offset: 3px; }
#login .err { color: var(--lg-danger); min-height: 18px; font-size: 13.5px; }
@keyframes lgIn { from { opacity: 0; transform: translateY(12px); } }
@media (max-width: 860px) {
  .lg-wrap { grid-template-columns: 1fr; gap: 26px; align-content: start; padding-block: 36px 28px; }
  .lg-brand { gap: 12px; }
  .lg-brand h1 { font-size: 34px; }
  .lg-brand p { font-size: 15px; }
  .lg-feats { display: none; }
  .lg-card { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) { .lg-brand, .lg-card { animation: none; } }