.auth-page {
  background:
    radial-gradient(circle at 12% 10%, rgba(47, 111, 237, 0.13), transparent 34rem),
    radial-gradient(circle at 88% 82%, rgba(17, 179, 169, 0.12), transparent 30rem),
    #f4f7fb;
}

.auth-stage {
  padding: clamp(2rem, 5vw, 5rem) 0;
}

.auth-container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 680px;
  max-width: 1120px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(25, 45, 75, 0.12);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(25, 45, 75, 0.16);
  isolation: isolate;
}

.auth-form-panel {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-width: 0;
  padding: clamp(2rem, 5vw, 4.5rem);
  transition: opacity 520ms ease, transform 760ms cubic-bezier(.77, 0, .18, 1), filter 520ms ease;
}

.auth-form-panel--login {
  grid-column: 1;
}

.auth-form-panel--register {
  grid-column: 2;
  opacity: 0.14;
  transform: translateX(72px);
  filter: blur(5px);
  pointer-events: none;
}

.auth-container.is-register .auth-form-panel--login {
  opacity: 0.14;
  transform: translateX(-72px);
  filter: blur(5px);
  pointer-events: none;
}

.auth-container.is-register .auth-form-panel--register {
  opacity: 1;
  transform: translateX(0);
  filter: none;
  pointer-events: auto;
}

.auth-form-inner {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.auth-kicker,
.auth-overlay-label {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.auth-kicker {
  color: #2362d7;
}

.auth-form-inner h1,
.auth-form-inner h2 {
  margin-bottom: 0.75rem;
  color: #10213b;
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: clamp(2rem, 4vw, 3.15rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.auth-form-inner > p {
  margin-bottom: 2rem;
  color: #60708a;
  font-size: 1.04rem;
}

.auth-form-inner .form-label {
  color: #243956;
  font-weight: 700;
}

.auth-form-inner .form-control {
  min-height: 49px;
  border: 1px solid #cbd5e4;
  border-radius: 12px;
  background: #f9fbfe;
}

.auth-form-inner .form-control:focus {
  border-color: #2f6fed;
  background: #fff;
  box-shadow: 0 0 0 0.22rem rgba(47, 111, 237, 0.14);
}

.auth-form-inner .form-check-label {
  color: #52637d;
}

.auth-form-inner a {
  color: #1f5dcf;
  font-weight: 700;
}

.auth-primary-button {
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #1855c9, #2f76ef);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(35, 98, 215, 0.22);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.auth-primary-button:hover,
.auth-primary-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(35, 98, 215, 0.3);
}

.auth-overlay {
  position: absolute;
  z-index: 4;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4.5rem);
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  background:
    linear-gradient(145deg, rgba(9, 25, 59, 0.96), rgba(24, 85, 201, 0.94) 54%, rgba(17, 179, 169, 0.9));
  color: #fff;
  transform: translateX(0);
  transition:
    transform 900ms cubic-bezier(.77, 0, .18, 1),
    clip-path 900ms cubic-bezier(.77, 0, .18, 1);
}

.auth-container.is-register .auth-overlay {
  transform: translateX(-100%);
  clip-path: polygon(0 0, 86% 0, 100% 100%, 0 100%);
}

.auth-overlay-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.6rem, 6vw, 5.2rem);
  transition: opacity 360ms ease, transform 620ms cubic-bezier(.77, 0, .18, 1);
}

.auth-overlay-content--new {
  opacity: 1;
  transform: translateX(0);
}

.auth-overlay-content--returning {
  opacity: 0;
  transform: translateX(80px);
  pointer-events: none;
}

.auth-container.is-register .auth-overlay-content--new {
  opacity: 0;
  transform: translateX(-80px);
  pointer-events: none;
}

.auth-container.is-register .auth-overlay-content--returning {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.auth-overlay-label {
  color: #a8f4ec;
}

.auth-overlay h2 {
  max-width: 470px;
  margin-bottom: 1.25rem;
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: clamp(2.25rem, 4.5vw, 4.3rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.auth-overlay p,
.auth-overlay li {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.04rem;
}

.auth-overlay ul {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.auth-overlay li::before {
  content: "✓";
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-right: 0.65rem;
  border-radius: 999px;
  background: rgba(168, 244, 236, 0.18);
  color: #a8f4ec;
  font-weight: 800;
}

.auth-overlay-button {
  align-self: flex-start;
  min-height: 46px;
  padding: 0.7rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 800;
  backdrop-filter: blur(8px);
}

.auth-overlay-button:hover,
.auth-overlay-button:focus-visible {
  background: #fff;
  color: #12305f;
}

.auth-overlay-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.36;
}

.auth-overlay-glow--one {
  top: -5rem;
  right: -4rem;
  width: 19rem;
  height: 19rem;
  background: #78a7ff;
}

.auth-overlay-glow--two {
  bottom: -7rem;
  left: -6rem;
  width: 22rem;
  height: 22rem;
  background: #3be0cd;
}

.auth-mobile-switch,
.auth-mobile-prompt {
  display: none;
}

@media (max-width: 991.98px) {
  .auth-stage {
    padding-top: 1.5rem;
  }

  .auth-mobile-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 680px;
    margin: 0 auto 1rem;
    padding: 0.3rem;
    border: 1px solid #d4deec;
    border-radius: 14px;
    background: #fff;
  }

  .auth-mobile-switch button {
    min-height: 44px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: #52637d;
    font-weight: 800;
  }

  .auth-mobile-switch button[aria-pressed="true"] {
    background: #173e82;
    color: #fff;
  }

  .auth-container {
    display: block;
    min-height: 0;
    max-width: 680px;
    border-radius: 20px;
  }

  .auth-overlay {
    display: none;
  }

  .auth-form-panel {
    display: none;
    padding: clamp(1.5rem, 7vw, 3rem);
    opacity: 1;
    transform: none;
    filter: none;
  }

  .auth-container:not(.is-register) .auth-form-panel--login,
  .auth-container.is-register .auth-form-panel--register {
    display: flex;
    pointer-events: auto;
  }

  .auth-mobile-prompt {
    display: block;
    margin: 1.5rem 0 0;
    text-align: center;
  }

  .auth-mobile-prompt button {
    border: 0;
    background: transparent;
    color: #1f5dcf;
    font-weight: 800;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-form-panel,
  .auth-overlay,
  .auth-overlay-content,
  .auth-primary-button {
    transition: none !important;
  }
}