.auth-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 48px 24px;
  background: radial-gradient(ellipse at 50% 0, #edf2fc 0, transparent 65%), var(--ui-color-page);
  color: var(--ui-color-text);
}

.auth-shell {
  width: min(100%, 420px);
  display: grid;
  gap: 28px;
}

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: var(--ui-font-weight-semibold);
  letter-spacing: -0.025em;
}

.auth-card {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid var(--ui-color-border);
  border-radius: 20px;
  background: var(--ui-color-surface);
  box-shadow: 0 16px 48px -16px rgb(24 39 75 / 12%), 0 2px 6px rgb(24 39 75 / 3%);
}

.auth-header {
  margin-bottom: 28px;
}

.auth-title {
  margin-bottom: 8px;
  font-size: 1.875rem;
  line-height: 1.25;
  font-weight: var(--ui-font-weight-semibold);
  letter-spacing: -0.035em;
}

.auth-description {
  color: var(--ui-color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.auth-form,
.auth-field {
  display: grid;
  gap: 8px;
}

.auth-form {
  gap: 20px;
}

.auth-field {
  color: var(--ui-color-text-strong);
  font-size: var(--ui-font-size-sm);
  font-weight: var(--ui-font-weight-medium);
}

.auth-input {
  min-width: 0;
  min-height: 48px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--ui-color-border-hover);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-color-surface);
  color: var(--ui-color-text);
  font: inherit;
  font-size: var(--ui-font-size-base);
  font-weight: 400;
  line-height: 1.5;
}

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

.auth-input:hover {
  border-color: var(--ui-color-text-muted);
}

.auth-input:focus {
  border-color: var(--ui-color-focus);
}

.auth-submit {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--ui-radius-lg);
  background: var(--ui-color-accent-text);
  color: var(--ui-color-surface);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: var(--ui-font-weight-semibold);
  line-height: 1.5;
  box-shadow: 0 2px 3px rgb(26 86 219 / 12%);
  cursor: pointer;
}

.auth-submit:hover:not(:disabled) {
  background: var(--ui-color-accent-hover);
}

.auth-submit:disabled {
  opacity: 0.65;
  cursor: wait;
}

.auth-submit:active {
  box-shadow: none;
}

.auth-input:focus-visible,
.auth-submit:focus-visible {
  outline: var(--ui-focus-outline);
  outline-offset: var(--ui-focus-offset);
}

.auth-note {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--ui-color-border-subtle);
  color: var(--ui-color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
  text-align: center;
}

.auth-note-title {
  margin-bottom: 4px;
  color: var(--ui-color-text-subtle);
  font-size: var(--ui-font-size-sm);
  font-weight: var(--ui-font-weight-medium);
}

.auth-error {
  margin-bottom: 20px;
  padding: 12px 14px;
  border: 1px solid #fecaca;
  border-radius: var(--ui-radius-lg);
  background: #fef2f2;
  color: #b91c1c;
  font-size: var(--ui-font-size-sm);
}

.auth-field-error {
  color: #b91c1c;
  font-size: var(--ui-font-size-sm);
  font-weight: 400;
}

.auth-input[aria-invalid="true"] {
  border-color: #dc2626;
}

.auth-error:empty,
.auth-field-error:empty {
  display: none;
}

@media (max-width: 480px) {
  .auth-page {
    align-items: start;
    padding: 48px 16px;
  }

  .auth-shell {
    gap: 24px;
  }

  .auth-card {
    padding: 24px;
  }

  .auth-title {
    font-size: 1.75rem;
  }
}