/* Sign in / Register / Recovery — single centred card with tabs.
   Scoped to body.nx-a2 so the rest of the panel is untouched. Change --a2-primary to rebrand. */
body.nx-a2 {
  --a2-primary: #2563eb;
  --a2-primary-hover: #1d4ed8;
  --a2-primary-rgb: 37, 99, 235;
  --a2-bg: #f1f5f9;
  --a2-field: #f1f5f9;
  --a2-border: #e2e8f0;
  --a2-text: #0f172a;
  --a2-muted: #64748b;
  --a2-danger: #dc2626;
  --bs-primary: var(--a2-primary);
  --bs-primary-rgb: var(--a2-primary-rgb);
  --bs-link-color: var(--a2-primary);
  --bs-link-color-rgb: var(--a2-primary-rgb);
  --bs-link-hover-color: var(--a2-primary-hover);
  background: var(--a2-bg);
  min-height: 100vh;
}
.nx-a2 .a2-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem 1rem; }
.nx-a2 .a2-card {
  width: 100%; max-width: 440px; background: #fff; border-radius: 20px; padding: 2rem 1.75rem 1.5rem;
  border: 1px solid var(--a2-border); box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 12px 32px rgba(15,23,42,.07);
  animation: a2-rise .35s ease both;
}
.nx-a2 .a2-card.is-wide { max-width: 600px; }
@keyframes a2-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.nx-a2 .a2-brand { display: flex; align-items: center; margin-bottom: 1.4rem; }
.nx-a2 .a2-brand .nx-brand { border: 0; padding: 0; height: auto; }
.nx-a2 .a2-brand .nx-brand-mark { background: var(--a2-primary); box-shadow: 0 4px 10px rgba(var(--a2-primary-rgb), .3); }

.nx-a2 h1 { font-size: 1.55rem; font-weight: 750; letter-spacing: -.02em; color: var(--a2-text); margin: 0 0 .3rem; }
.nx-a2 .a2-sub { color: var(--a2-muted); font-size: .9rem; margin: 0 0 1.4rem; }

/* tabs */
.nx-a2 .a2-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .25rem; padding: .25rem; background: var(--a2-field); border-radius: 12px; margin-bottom: 1.4rem; }
.nx-a2 .a2-tab { display: block; text-align: center; padding: .55rem .25rem; border: 0; border-radius: 9px; background: none; font-size: .85rem; font-weight: 600; color: var(--a2-muted); cursor: pointer; transition: background .15s, color .15s, box-shadow .15s; }
.nx-a2 .a2-tab:hover { color: var(--a2-text); }
.nx-a2 .a2-tab.is-active { background: #fff; color: var(--a2-text); box-shadow: 0 1px 3px rgba(15,23,42,.12); }

/* fields */
.nx-a2 .form-label { font-size: .8rem; font-weight: 650; color: var(--a2-text); margin-bottom: .4rem; }
.nx-a2 .form-control { min-height: 46px; background: var(--a2-field); border: 1px solid transparent; border-radius: 12px; font-size: .92rem; }
.nx-a2 .form-control:focus { background: #fff; border-color: var(--a2-primary); box-shadow: 0 0 0 3px rgba(var(--a2-primary-rgb), .15); }
.nx-a2 .form-control.is-invalid { border-color: var(--a2-danger); background-image: none; background: #fff5f5; }
.nx-a2 .nx-input-icon > i { color: #94a3b8; }
.nx-a2 .nx-input-icon > .nx-eye:hover { background: #e2e8f0; }
.nx-a2 .a2-prefix { position: absolute; left: 2.35rem; top: 50%; transform: translateY(-50%); font-size: .9rem; font-weight: 600; color: var(--a2-text); padding-right: .6rem; border-right: 1px solid #cbd5e1; line-height: 1.2; pointer-events: none; }
.nx-a2 .nx-input-icon > .form-control.has-prefix { padding-left: 4.9rem; }
.nx-a2 [data-err] { display: none; color: var(--a2-danger); font-size: .8rem; margin-top: .35rem; }
.nx-a2 .a2-section { font-size: .7rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: #94a3b8; }

.nx-a2 .btn-primary { --bs-btn-bg: var(--a2-primary); --bs-btn-border-color: var(--a2-primary); --bs-btn-hover-bg: var(--a2-primary-hover); --bs-btn-hover-border-color: var(--a2-primary-hover);
  --bs-btn-active-bg: var(--a2-primary-hover); --bs-btn-disabled-bg: var(--a2-primary); --bs-btn-disabled-border-color: var(--a2-primary);
  min-height: 48px; border-radius: 12px; font-weight: 650; box-shadow: 0 6px 16px rgba(var(--a2-primary-rgb), .25); }
.nx-a2 .btn.is-loading { position: relative; color: transparent !important; pointer-events: none; }
.nx-a2 .btn.is-loading::after { content: ""; position: absolute; inset: 0; margin: auto; width: 1.15rem; height: 1.15rem; border-radius: 50%; border: 2px solid rgba(255,255,255,.45); border-top-color: #fff; animation: a2-spin .7s linear infinite; }
@keyframes a2-spin { to { transform: rotate(360deg); } }

.nx-a2 a { color: var(--a2-primary); font-weight: 600; }
.nx-a2 .a2-link-btn { background: none; border: 0; padding: 0; color: var(--a2-primary); font-weight: 600; font-size: inherit; }
.nx-a2 .a2-foot { text-align: center; color: var(--a2-muted); font-size: .85rem; margin-top: 1.25rem; }
.nx-a2 .a2-secure { display: flex; align-items: center; justify-content: center; gap: .45rem; margin-top: 1.4rem; padding-top: 1rem; border-top: 1px solid var(--a2-border); font-size: .75rem; color: #94a3b8; }
.nx-a2 .a2-secure i { color: #10b981; font-size: .6rem; }

/* code step */
.nx-a2 .a2-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; margin-bottom: 1rem; font-size: 1.25rem; color: var(--a2-primary); background: rgba(var(--a2-primary-rgb), .1); }
.nx-a2 .a2-code { text-align: center; letter-spacing: .55em; font-size: 1.35rem; font-weight: 700; padding-left: .55em; font-variant-numeric: tabular-nums; }
.nx-a2 .a2-code::placeholder { letter-spacing: .45em; color: #cbd5e1; }
.nx-a2 .a2-code.is-error { animation: a2-shake .4s ease; border-color: var(--a2-danger); background: #fff5f5; }
@keyframes a2-shake { 20%, 60% { transform: translateX(-5px); } 40%, 80% { transform: translateX(5px); } }
.nx-a2 .a2-sent { display: inline-flex; align-items: center; gap: .4rem; max-width: 100%; padding: .3rem .7rem; border-radius: 999px; font-size: .82rem; font-weight: 600; color: var(--a2-primary); background: rgba(var(--a2-primary-rgb), .08); word-break: break-all; }
#resendBtn.disabled, .nx-a2 .a2-link-btn:disabled { pointer-events: none; opacity: .45; }
.nx-a2 .hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.nx-a2 [data-view] { display: none; }
.nx-a2 [data-view].is-on { display: block; animation: a2-rise .25s ease both; }

@media (max-width: 480px) {
  .nx-a2 .a2-card { padding: 1.5rem 1.15rem 1.25rem; border-radius: 18px; }
  .nx-a2 h1 { font-size: 1.4rem; }
  .nx-a2 .g-recaptcha { transform: scale(.9); transform-origin: 0 0; }
}
@media (prefers-reduced-motion: reduce) { .nx-a2 .a2-card, .nx-a2 [data-view].is-on, .nx-a2 .a2-code.is-error { animation: none !important; } }