body.auth-active {
  background: var(--bg-surface);
  color: var(--text-primary);
}

body.auth-active .shell {
  max-width: none;
  min-height: 100vh;
  padding: 0;
}

body.auth-active .topbar {
  display: none;
}

body.auth-active #particles {
  display: none;
}

.hidden {
  display: none !important;
}

.auth-screen {
  min-height: 100vh;
  background: var(--bg-surface);
}

.auth-nav {
  margin: 0;
  min-height: 64px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  text-align: left;
  animation: none;
}

.auth-nav-brand,
.auth-nav-link {
  color: var(--text-primary);
  text-decoration: none;
}

.auth-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1;
  text-transform: uppercase;
}

.auth-nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(72, 230, 199, .5));
}

.auth-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  margin-right: auto;
}

.auth-nav-link {
  position: relative;
  padding: 8px 14px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  transition: color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}

.auth-nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, .04);
}

.auth-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 128px;
  min-height: 36px;
  justify-content: flex-end;
}

.auth-nav-button {
  min-height: 34px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-overlay);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  font-weight: 700;
}

.auth-nav-anchor {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.auth-nav-button:hover {
  background: var(--bg-elevated);
}

.auth-nav-button.active {
  background: var(--accent-primary);
  color: var(--text-on-accent);
}

.auth-center {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 16px 40px;
}

.auth-product {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.auth-product img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: contain;
  filter: drop-shadow(0 5px 12px rgba(72, 230, 199, 0.18));
}

.auth-product h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--text-primary);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: none;
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: currentColor;
}

.auth-hero {
  width: min(1020px, calc(100vw - 32px));
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) 384px;
  gap: 24px;
  align-items: stretch;
}

.auth-market {
  min-height: 100%;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .025));
  border: 1px solid var(--border-subtle);
  border-radius: 15px;
  box-shadow: var(--shadow-card);
}

.auth-kicker {
  width: max-content;
  margin: 0 0 16px;
  padding: 5px 10px;
  border: 1px solid rgba(72, 230, 199, .35);
  border-radius: 999px;
  color: var(--accent-primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.auth-market h2 {
  margin: 0;
  max-width: 620px;
  color: var(--text-primary);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

.auth-market-copy {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
}

.auth-offers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.auth-offer {
  min-height: 126px;
  padding: 15px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: rgba(8, 10, 22, .38);
}

.auth-offer strong,
.auth-offer span {
  display: block;
}

.auth-offer strong {
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.35;
}

.auth-offer span {
  margin-top: 9px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.55;
}

.auth-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.auth-contact-primary,
.auth-contact-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.auth-contact-primary {
  background: var(--accent-primary);
  color: var(--text-on-accent);
}

.auth-contact-link {
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  background: var(--bg-surface);
}

.auth-contact-primary:hover {
  background: var(--accent-primary-2);
}

.auth-contact-link:hover {
  background: var(--bg-overlay);
}

.auth-card {
  width: min(384px, calc(100vw - 32px));
  padding: 44px 28px 48px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 15px;
  box-shadow: var(--shadow-card);
}

.auth-card h2 {
  margin: 0 0 44px;
  text-align: center;
  color: var(--text-primary);
  font-size: 24px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-transform: none;
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: currentColor;
}

.auth-form {
  display: grid;
  gap: 24px;
}

.auth-form h2 {
  order: 0;
}

.auth-email-field {
  order: 1;
}

.auth-password-field {
  order: 2;
}

.auth-confirm-field {
  order: 3;
}

.auth-name-field {
  order: 1;
}

.auth-card.register-mode:not(.register-options-mode) {
  padding: 34px 28px 34px;
}

.auth-form.register-mode:not(.register-options-mode) {
  gap: 16px;
}

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

.auth-form.register-mode:not(.register-options-mode) h2 {
  margin-bottom: 24px;
}

.auth-form.login-mode h2 {
  margin-bottom: 34px;
}

.auth-form.register-options-mode .field,
.auth-form.register-options-mode #authSubmit,
.auth-form.register-options-mode #forgotPasswordBtn,
.auth-form.register-options-mode .auth-status {
  display: none !important;
}

.auth-form.register-options-mode .auth-sso {
  order: 1;
}

.auth-form.register-options-mode .auth-divider {
  order: 2;
  margin: 4px 0;
}

.auth-form.register-options-mode .auth-choice-button {
  order: 3;
}

.auth-form.register-options-mode .auth-switch {
  margin-top: 12px;
}

.auth-form.register-mode:not(.register-options-mode) .auth-divider,
.auth-form.register-mode:not(.register-options-mode) .auth-sso {
  display: none !important;
}

.auth-form.register-mode .auth-name-field {
  order: 1;
}

.auth-form.register-mode .auth-password-field {
  order: 2;
}

.auth-form.register-mode .auth-confirm-field {
  order: 3;
}

.auth-form.register-mode .auth-email-field {
  order: 4;
}

.auth-form .field {
  display: grid;
  gap: 7px;
}

.auth-form .field label {
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.3;
  font-weight: 800;
}

.auth-input-wrap {
  position: relative;
}

.auth-input-wrap input {
  width: 100%;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  padding: 0 38px 0 36px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  outline: none;
  font-size: 14px;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}

.auth-input-wrap input::placeholder {
  color: var(--text-tertiary);
  opacity: 1;
}

.auth-input-wrap input:hover {
  border-color: rgba(255, 255, 255, .22);
}

.auth-input-wrap input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.22);
  background: var(--bg-overlay);
}

.auth-input-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: var(--text-tertiary);
  pointer-events: none;
}

.auth-input-icon svg,
.auth-password-toggle svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: currentColor;
}

.auth-password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  width: 22px;
  height: 22px;
  min-height: 0;
  padding: 0;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--text-tertiary);
  border: 0;
  border-radius: 50%;
}

.auth-password-toggle:hover {
  background: transparent;
  color: var(--text-secondary);
}

.auth-primary {
  order: 5;
  width: 100%;
  min-height: 40px;
  margin-top: 8px;
  border: 0;
  border-radius: 999px;
  background: var(--accent-primary);
  color: var(--text-on-accent);
  font-size: 14px;
  font-weight: 700;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.auth-primary:hover {
  background: var(--accent-primary-2);
  box-shadow: var(--shadow-sm), var(--shadow-glow);
}

.auth-form.register-mode:not(.register-options-mode) .auth-primary {
  margin-top: 4px;
}

.auth-primary:focus-visible,
.auth-nav-button:focus-visible,
.auth-link-button:focus-visible,
.auth-forgot:focus-visible,
.auth-sso:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.28);
}

.auth-choice-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.auth-choice-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  color: currentColor;
}

.auth-choice-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: currentColor;
}

.auth-forgot {
  order: 6;
  width: max-content;
  min-height: 26px;
  margin: -12px auto 4px;
  padding: 0;
  background: transparent;
  color: var(--text-secondary);
  border: 0;
  font-size: 14px;
  font-weight: 700;
}

.auth-forgot:hover {
  background: transparent;
  color: var(--accent-primary);
}

.auth-switch {
  order: 10;
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-primary);
  font-size: 14px;
}

.auth-form.register-mode:not(.register-options-mode) .auth-switch {
  margin-top: 4px;
}

.auth-link-button {
  min-height: 26px;
  padding: 0;
  background: transparent;
  color: var(--accent-primary);
  border: 0;
  font-size: 14px;
  font-weight: 800;
}

.auth-link-button:hover {
  background: transparent;
  color: var(--accent-primary-2);
}

.auth-divider {
  order: 7;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-tertiary);
  font-size: 12px;
  margin: -4px 0;
}

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

.auth-sso {
  order: 8;
  width: 100%;
  min-height: 40px;
  border-radius: 999px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  font-size: 14px;
  font-weight: 800;
}

.auth-sso:hover {
  background: var(--bg-overlay);
}

.auth-status {
  order: 9;
  min-height: 0;
  justify-content: center;
  text-align: center;
  font-size: 13px;
}

@media (max-width: 760px) {
  .auth-nav {
    padding: 14px 16px;
    align-items: flex-start;
    gap: 14px;
    flex-wrap: wrap;
  }

  .auth-nav-links {
    order: 3;
    width: 100%;
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .auth-nav-links::-webkit-scrollbar {
    display: none;
  }

  .auth-nav-link {
    padding: 7px 10px;
    font-size: 13px;
  }

  .auth-nav-actions {
    margin-left: auto;
  }

  .auth-center {
    min-height: calc(100vh - 104px);
    padding-top: 34px;
  }

  .auth-hero {
    grid-template-columns: 1fr;
  }

  .auth-market {
    padding: 24px;
  }

  .auth-market h2 {
    font-size: 30px;
  }

  .auth-offers {
    grid-template-columns: 1fr;
  }

  .auth-offer {
    min-height: 0;
  }

  .auth-card {
    width: 100%;
    padding: 36px 24px 30px;
  }
}

@media (max-width: 520px) {
  .auth-nav-links {
    display: none;
  }

  .auth-nav {
    align-items: center;
  }
}