.auth-main {
  min-height: 100vh;
  max-width: 100%;
  padding: 136px 20px 56px;
  overflow-x: hidden;
  background: linear-gradient(180deg, rgba(237, 249, 255, 0.96), rgba(215, 240, 255, 0.9));
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 440px);
  gap: 32px;
  align-items: center;
  width: min(1040px, 100%);
  max-width: 100%;
  margin: 0 auto;
}

.auth-copy {
  color: var(--text);
}

.auth-copy h1 {
  max-width: 620px;
  margin: 12px 0 18px;
  color: #071349;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.98;
}

.auth-copy p:not(.eyebrow) {
  max-width: 560px;
  color: #36527e;
  font-size: 1.1rem;
  line-height: 1.8;
}

.auth-card {
  min-width: 0;
  max-width: 100%;
  padding: 24px;
  border: 1px solid rgba(154, 190, 226, 0.62);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 26px 72px rgba(34, 77, 126, 0.16);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 6px;
  border: 1px solid rgba(191, 216, 239, 0.9);
  border-radius: 18px;
  background: #eef7ff;
}

.auth-tab {
  min-height: 48px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: #36527e;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.auth-tab.active {
  background: linear-gradient(135deg, #3284f4, #25328b);
  color: #fff;
  box-shadow: 0 12px 28px rgba(37, 50, 139, 0.22);
}

.auth-message {
  min-height: 24px;
  margin: 18px 2px 10px;
  color: #36527e;
  font-weight: 800;
}

.auth-message.error {
  color: #b42318;
}

.auth-message.success {
  color: #067647;
}

.auth-form {
  display: none;
  gap: 16px;
}

.auth-form.active {
  display: grid;
}

.auth-form label {
  display: grid;
  gap: 8px;
  color: #071349;
  font-weight: 900;
}

.optional-label {
  color: #5a7198;
  font-size: 0.86rem;
  font-weight: 700;
}

.auth-form input,
.auth-form select {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(154, 190, 226, 0.78);
  border-radius: 14px;
  background: #fff;
  color: #071349;
  font: inherit;
}

.auth-form select {
  cursor: pointer;
}

.auth-form input:focus,
.auth-form select:focus {
  border-color: #3284f4;
  box-shadow: 0 0 0 4px rgba(50, 132, 244, 0.14);
  outline: none;
}

.auth-form .btn {
  width: 100%;
  min-height: 54px;
  margin-top: 6px;
  justify-content: center;
}

html[data-theme="dark"] .auth-main {
  background: linear-gradient(180deg, #10071d, #170b2d);
}

html[data-theme="dark"] .auth-copy h1,
html[data-theme="dark"] .auth-form label,
html[data-theme="dark"] .auth-form input,
html[data-theme="dark"] .auth-form select {
  color: var(--text);
}

html[data-theme="dark"] .auth-copy p:not(.eyebrow),
html[data-theme="dark"] .auth-message {
  color: var(--muted);
}

html[data-theme="dark"] .auth-card {
  border-color: var(--line);
  background: rgba(18, 9, 34, 0.92);
}

html[data-theme="dark"] .auth-tabs,
html[data-theme="dark"] .auth-form input,
html[data-theme="dark"] .auth-form select {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 820px) {
  .auth-main {
    padding: 116px 16px 36px;
  }

  .auth-panel {
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: stretch;
  }

  .auth-copy {
    width: 100%;
  }

  .auth-copy h1 {
    font-size: clamp(2.35rem, 13vw, 4.4rem);
  }

  .auth-card {
    width: 100%;
    min-width: 0;
    padding: 18px 16px;
    border-radius: 20px;
  }
}

@media (max-width: 767px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .auth-main {
    width: 100%;
    min-width: 0;
    min-height: 100svh;
    padding: 96px 12px 28px;
  }

  .auth-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    align-items: start;
  }

  .auth-copy,
  .auth-card,
  .auth-tabs,
  .auth-form,
  .auth-form label,
  .auth-form input,
  .auth-form select,
  .auth-form .btn {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
  }

  .auth-copy h1 {
    max-width: 100%;
    margin: 8px 0 12px;
    font-size: clamp(2.15rem, 11vw, 3.25rem);
    line-height: 1.02;
    overflow-wrap: anywhere;
  }

  .auth-copy p:not(.eyebrow) {
    max-width: 100%;
    font-size: 1rem;
    line-height: 1.55;
  }

  .auth-card {
    padding: 16px 14px;
    border-radius: 18px;
  }

  .auth-form {
    gap: 14px;
  }

  .auth-form input,
  .auth-form select {
    min-height: 50px;
    padding-right: 13px;
    padding-left: 13px;
    font-size: 16px;
  }
}

@media (max-width: 360px) {
  .auth-main {
    padding-right: 10px;
    padding-left: 10px;
  }

  .auth-card {
    padding-right: 12px;
    padding-left: 12px;
  }
}