.auth-page {
  --ng-black: #000000;
  --ng-surface: #0a0a0a;
  --ng-elevated: #111111;
  --ng-line: rgba(255, 255, 255, 0.07);
  --ng-line-strong: rgba(255, 255, 255, 0.12);
  --ng-text: #ffffff;
  --ng-text-muted: rgba(255, 255, 255, 0.45);
  --ng-text-subtle: rgba(255, 255, 255, 0.28);
  --bg-primary: var(--ng-black);
  --bg-secondary: var(--ng-surface);
  --bg-sidebar: var(--ng-black);
  --bg-input: var(--ng-black);
  --bg-tertiary: var(--ng-elevated);
  --text-primary: var(--ng-text);
  --text-secondary: var(--ng-text-muted);
  --border: var(--ng-line);
  --border-subtle: var(--ng-line);
  --nexgate-brand-200: #d4f7ff;
  --nexgate-brand-300: #b8f0ff;
  --nexgate-brand-400: #9decff;
  --nexgate-brand-fg: #0c2a34;
  --accent: var(--nexgate-brand-400);
  --accent-fg: var(--nexgate-brand-fg);

  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--ng-black);
  color: var(--ng-text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  color-scheme: dark;
}

.auth-ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: var(--ng-black);
  contain: strict;
}

.auth-ambient-layer {
  position: absolute;
  display: block;
  border-radius: 50%;
  will-change: transform;
  filter: blur(64px);
}

.auth-ambient-layer--a {
  width: min(92vmax, 740px);
  height: min(72vmax, 540px);
  left: 6%;
  top: 14%;
  background: radial-gradient(ellipse 100% 100% at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 72%);
  animation: authAmbientFloatA 34s ease-in-out infinite;
}

.auth-ambient-layer--b {
  width: min(88vmax, 700px);
  height: min(68vmax, 500px);
  right: 4%;
  top: 38%;
  left: auto;
  background:
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(255, 255, 255, 0.038) 0%, transparent 70%),
    radial-gradient(ellipse 85% 65% at 42% 58%, rgba(184, 240, 255, 0.04) 0%, transparent 68%);
  animation: authAmbientFloatB 41s ease-in-out infinite;
}

.auth-ambient-layer--c {
  width: min(96vmax, 820px);
  height: min(58vmax, 440px);
  left: 24%;
  bottom: 6%;
  top: auto;
  background: radial-gradient(ellipse 100% 78% at 50% 50%, rgba(255, 255, 255, 0.032) 0%, transparent 74%);
  animation: authAmbientFloatC 47s ease-in-out infinite;
}

.auth-ambient-wave {
  inset: -12% -8%;
  border-radius: 0;
  filter: none;
  opacity: 0.55;
  background:
    linear-gradient(108deg, transparent 40%, rgba(255, 255, 255, 0.011) 50%, transparent 60%),
    linear-gradient(72deg, transparent 36%, rgba(255, 255, 255, 0.007) 47%, transparent 55%);
  background-size: 220% 220%;
  animation: authAmbientWave 54s linear infinite;
}

@keyframes authAmbientFloatA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(3.5%, -2.5%) scale(1.05); }
}

@keyframes authAmbientFloatB {
  0%, 100% { transform: translate(0, 0) scale(1.02); }
  50% { transform: translate(-4.5%, 2%) scale(0.97); }
}

@keyframes authAmbientFloatC {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(2.5%, 3.5%); }
  66% { transform: translate(-3.5%, -2%); }
}

@keyframes authAmbientWave {
  0% { background-position: 0% 42%, 100% 58%; transform: translate3d(0, 0, 0); }
  50% { background-position: 100% 56%, 0% 44%; transform: translate3d(0, -1.2%, 0); }
  100% { background-position: 0% 42%, 100% 58%; transform: translate3d(0, 0, 0); }
}

@keyframes authReveal {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes authHeroIn {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.auth-layout.auth-enter {
  position: relative;
  z-index: 1;
  animation: authReveal 0.8s ease forwards;
}

.auth-enter .auth-hero-eyebrow {
  animation: authHeroIn 0.7s ease 0.15s both;
}

.auth-enter .auth-hero-logo.logo-brand {
  animation: authReveal 0.7s ease 0.22s both;
}

.auth-enter .auth-hero-tagline {
  animation: authHeroIn 0.7s ease 0.3s both;
}

.auth-enter .auth-hero-desc {
  animation: authHeroIn 0.7s ease 0.38s both;
}

.auth-enter .auth-highlight {
  animation: authReveal 0.55s ease both;
}

.auth-enter .auth-highlight:nth-child(1) {
  animation-delay: 0.46s;
}

.auth-enter .auth-highlight:nth-child(2) {
  animation-delay: 0.52s;
}

.auth-enter .auth-highlight:nth-child(3) {
  animation-delay: 0.58s;
}

.auth-enter .auth-panel-title {
  animation: authReveal 0.55s ease 0.12s both;
}

.auth-enter .auth-panel .auth-subtitle {
  animation: authReveal 0.55s ease 0.18s both;
}

.auth-enter .auth-form {
  animation: authReveal 0.55s ease 0.24s both;
}

.auth-enter .auth-switch {
  animation: authReveal 0.5s ease 0.32s both;
}

@media (prefers-reduced-motion: reduce) {
  .auth-ambient-layer,
  .auth-ambient-wave {
    animation: none !important;
  }

  .auth-layout.auth-enter,
  .auth-enter .auth-hero-eyebrow,
  .auth-enter .auth-hero-logo.logo-brand,
  .auth-enter .auth-hero-tagline,
  .auth-enter .auth-hero-desc,
  .auth-enter .auth-highlight,
  .auth-enter .auth-panel-title,
  .auth-enter .auth-panel .auth-subtitle,
  .auth-enter .auth-form,
  .auth-enter .auth-switch {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 400px);
  width: 100%;
  max-width: 980px;
  min-height: min(620px, calc(100dvh - 48px));
  max-height: calc(100dvh - 48px);
  border: 1px solid var(--ng-line);
  overflow: hidden;
  background: var(--ng-black);
}

.auth-layout--register {
  min-height: auto;
  max-height: calc(100dvh - 48px);
}

.auth-hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 44px;
  background: var(--ng-black);
  border-right: 1px solid var(--ng-line);
}

.auth-hero-eyebrow {
  margin: 0 0 24px;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ng-text-subtle);
}

.auth-page .auth-hero-logo.logo-brand {
  display: block;
  margin: 0 0 28px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ng-text);
  animation: none;
}

.auth-page .auth-hero-logo.logo-brand::before {
  display: none;
}

.auth-hero-tagline {
  margin: 0 0 20px;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ng-text);
}

.auth-hero-tagline em {
  font-style: normal;
  font-weight: 500;
}

.auth-hero-desc {
  margin: 0 0 36px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ng-text-muted);
  max-width: 380px;
}

.auth-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  max-width: 420px;
  width: 100%;
  background: var(--ng-line);
  border: 1px solid var(--ng-line);
}

.auth-highlight {
  flex: 1 1 120px;
  background: var(--ng-black);
  padding: 18px 14px;
  text-align: center;
  transition: background 0.25s;
}

.auth-highlight:hover {
  background: var(--ng-surface);
}

.auth-highlight strong {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ng-text);
  margin-bottom: 6px;
}

.auth-highlight span {
  font-size: 0.68rem;
  color: var(--ng-text-muted);
  line-height: 1.45;
}

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 44px 40px;
  background: var(--ng-black);
  min-height: 0;
  overflow: hidden;
}

.auth-layout--register .auth-panel {
  align-items: flex-start;
  padding: 32px 36px;
}

.auth-panel-inner {
  width: 100%;
  max-width: 340px;
}

.auth-mode-register .auth-panel-inner {
  max-height: calc(100dvh - 48px - 64px);
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--ng-line-strong) transparent;
}

.auth-mobile-brand {
  display: none;
  margin: 0 0 28px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ng-text);
}

.auth-panel-title {
  margin: 0 0 8px;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  text-align: left;
}

.auth-panel .auth-subtitle {
  margin: 0 0 28px;
  font-size: 0.82rem;
  color: var(--ng-text-muted);
  line-height: 1.65;
  text-align: left;
}

.auth-mode-register .auth-panel-title {
  margin-bottom: 6px;
}

.auth-mode-register .auth-panel .auth-subtitle {
  margin-bottom: 18px;
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-field label {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ng-text-subtle);
  margin-bottom: 8px;
}

.auth-field label .auth-required {
  color: rgba(239, 68, 68, 0.85);
  margin-left: 2px;
  letter-spacing: 0;
  text-transform: none;
}

.auth-field input {
  width: 100%;
  padding: 12px 14px;
  background: var(--ng-black);
  border: 1px solid var(--ng-line-strong);
  border-radius: 8px;
  color: var(--ng-text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.auth-field input::placeholder {
  color: var(--ng-text-subtle);
}

.auth-field input:focus {
  border-color: rgba(255, 255, 255, 0.22);
  background: var(--ng-surface);
  box-shadow: none;
}

.auth-field input.auth-input--error {
  border-color: rgba(239, 68, 68, 0.55);
}

.auth-field input.auth-input--ok {
  border-color: rgba(184, 240, 255, 0.45);
}

.auth-field-hint {
  display: block;
  margin-top: 6px;
  font-size: 0.72rem;
  color: var(--ng-text-muted);
  line-height: 1.45;
}

.auth-field-hint.is-error {
  color: #ef4444;
}

.auth-field-hint.is-ok {
  color: rgba(184, 240, 255, 0.85);
}

.auth-field-hint.hidden {
  display: none;
}

.auth-register-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 6px;
  border-top: 1px solid var(--ng-line);
  margin-top: 2px;
}

.auth-register-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.auth-register-grid .auth-field {
  min-width: 0;
}

.auth-mode-register .auth-form {
  gap: 12px;
}

.auth-mode-register .auth-field label {
  margin-bottom: 6px;
}

.auth-mode-register .auth-field input {
  padding: 10px 12px;
}

.auth-field-hint--compact {
  margin-top: 4px;
  font-size: 0.68rem;
}

.auth-layout--register .auth-hero-desc,
.auth-layout--register .auth-highlights {
  display: none;
}

.auth-layout--register .auth-hero {
  padding: 36px 40px;
  justify-content: flex-start;
}

.auth-layout--register .auth-hero-eyebrow {
  margin-bottom: 16px;
}

.auth-layout--register .auth-hero-logo.logo-brand {
  margin-bottom: 16px;
}

.auth-layout--register .auth-hero-tagline {
  margin-bottom: 0;
  font-size: clamp(1.15rem, 2.8vw, 1.45rem);
}

.auth-register-heading {
  margin: 0;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ng-text-subtle);
}

.auth-error {
  margin: 0;
  padding: 12px 14px;
  font-size: 0.82rem;
  color: #f87171;
  text-align: left;
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  line-height: 1.5;
}

.auth-error.hidden {
  display: none;
}

.auth-oauth-buttons {
  margin-top: 0;
}

.auth-oauth-buttons.hidden {
  display: none;
}

.auth-oauth-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ng-text-subtle);
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--ng-line);
}

.auth-oauth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 13px 20px;
  border: 1px solid var(--ng-line);
  border-radius: 999px;
  background: transparent;
  color: var(--ng-text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.auth-oauth-btn.hidden {
  display: none;
}

.auth-oauth-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--ng-line-strong);
  color: var(--ng-text);
}

.auth-oauth-btn--discord:hover {
  border-color: #5865f2;
}

.auth-oauth-icon {
  flex-shrink: 0;
}

.auth-submit {
  width: 100%;
  padding: 14px 24px;
  margin-top: 4px;
  background: var(--nexgate-brand-200);
  border: 1px solid var(--nexgate-brand-300);
  border-radius: 999px;
  color: var(--nexgate-brand-fg);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.auth-submit:hover:not(:disabled) {
  background: var(--nexgate-brand-300);
  border-color: var(--nexgate-brand-400);
}

.auth-submit:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.auth-switch {
  text-align: center;
  margin: 28px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--ng-line);
}

.auth-mode-register .auth-switch {
  margin-top: 18px;
  padding-top: 16px;
}

.auth-switch-text {
  margin: 0 0 10px;
  font-size: 0.78rem;
  color: var(--ng-text-muted);
}

.auth-link {
  background: none;
  border: none;
  color: var(--ng-text);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0;
  transition: color 0.2s;
}

.auth-link:hover {
  color: var(--ng-text-muted);
  text-decoration: none;
}

@media (max-width: 860px) {
  .auth-layout {
    grid-template-columns: 1fr;
    max-width: 440px;
    min-height: auto;
    max-height: none;
  }

  .auth-mode-register .auth-panel-inner {
    max-height: none;
    overflow: visible;
  }

  .auth-hero {
    display: none;
  }

  .auth-mobile-brand {
    display: block;
  }

  .auth-panel {
    padding: 36px 28px 40px;
  }
}

@media (max-width: 520px) {
  .auth-register-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .auth-page {
    padding: max(16px, env(safe-area-inset-top, 0)) 16px max(16px, env(safe-area-inset-bottom, 0));
    align-items: flex-start;
  }

  .auth-panel {
    padding: 32px 22px 36px;
  }

  .auth-layout--register .auth-panel,
  .auth-mode-register .auth-panel {
    padding: 24px 20px 28px;
  }

  .auth-panel-inner {
    max-width: none;
  }

  .auth-mode-register .auth-form {
    gap: 10px;
  }

  .auth-mode-register .auth-panel .auth-subtitle {
    margin-bottom: 14px;
  }

  .auth-register-block {
    gap: 8px;
  }

  .auth-field input {
    font-size: 16px;
  }
}